Method for marine ecosystem full-chain accounting oriented to account aggregation

Abstract

The application discloses a kind of marine ecosystem full-chain accounting methods for account-oriented collection, comprising: identifying the asset type of marine ecosystem in accounting area, obtaining spatial distribution and area information, generating asset directory list;According to the asset directory list, marine ecological products are classified;The area data of each asset is imported into the physical quantity accounting account;Based on the value evaluation model, the value in the physical quantity accounting account is converted into the value of the base year constant price measurement, and the value of each type of marine ecological product is calculated respectively;Establish a digital accounting account, the digital accounting account includes the physical quantity accounting account and the value accounting account, and the mapping association between them;According to the preset administrative path or asset path, the value in the value accounting account is aggregated to generate the total value of marine ecosystem assets.The present application provides reliable technical support for marine ecological management and value conversion.

Description

Technical Field

[0001] This application relates to a method for full-chain accounting of marine ecosystems oriented towards account aggregation, belonging to the field of ecosystem accounting technology. Background Technology

[0002] With the continuous advancement of marine ecological civilization construction and the increasing demand for refined management of ecological assets, the quantitative accounting of marine ecosystem value has become a core support for marine resource management, ecological protection and restoration, and green economic development. Currently, existing marine ecological accounting technologies typically separate physical quantity accounting and value accounting into independent processes, lacking a unified digital account system to record asset stock, changes, and value conversion relationships. This leads to difficulties in data traceability and integration of multi-source heterogeneous data. At the same time, the aggregation processing after value accounting often relies on manual labor or simple spreadsheets to sum up step by step according to administrative divisions or asset categories. This is not only inefficient but also difficult to handle complex issues such as spatial overlap, multi-functional asset weight allocation, and data alignment for different periods and units. It is prone to duplicate calculations or omissions, failing to meet the needs of routine accounting of marine ecological assets and rapid total value generation. Summary of the Invention

[0003] According to one aspect of this application, a method for full-chain accounting of marine ecosystems oriented towards account aggregation is provided, which provides reliable technical support for marine ecological management and value transformation.

[0004] A method for account-based, end-to-end accounting of marine ecosystems, comprising: Identify the types of marine ecosystem assets within the accounting area, obtain spatial distribution and area information, and generate an asset catalog list; According to the asset catalog, marine ecological products are divided into material supply products, regulation and maintenance products, cultural products, and species conservation products. Import the area data of each asset into the physical quantity accounting account, and record the beginning inventory, ending inventory and change information of the physical quantity accounting account; Based on the value assessment model, the values ​​in the physical quantity accounting account are converted into value measured at constant prices in the base year. The value of various marine ecological products is calculated separately, and the initial value, ending value and change information of the value accounting account are recorded. Establish digital accounting accounts, which include physical quantity accounting accounts and value accounting accounts, as well as the mapping relationship between the two; According to the preset administrative or asset path, the value in the value accounting account is aggregated to generate the total value of marine ecosystem assets.

[0005] Furthermore, the core fields of the digital accounting account include: Identification fields, time attribute fields, spatial attribute fields, physical quantity data fields, value data fields, and data traceability fields; The physical quantity accounting account and the value accounting account are softly linked through a mapping table, which records the conversion path from physical quantity to value. The identity identification field is hard-linked with the data traceability field. Each digital accounting account has a unique identifier that corresponds to a unique data traceability record. A version chain is automatically created when the data changes. A time alignment rule is provided between the time attribute field and the physical quantity data field to convert data of different period types to a standard time granularity. A spatial attribution judgment rule is provided between the spatial attribute field and the value data field, which is used to split or merge the value data according to the proportion of spatial overlap area. The physical quantity data field and the value data field are synchronized bidirectionally through the mapping table. When the physical quantity changes, the value is updated according to the conversion function. When the value is manually corrected, the equivalent range of the physical quantity is calculated in reverse.

[0006] Furthermore, the identity identification fields include a globally unique account identifier, an asset type code, and a spatial unit code; The time attribute field includes a timestamp and a period type field; The spatial attribute fields include spatial geometric information fields and area fields; The physical quantity data fields include a physical quantity indicator name field, a physical quantity value field, and a physical quantity unit field; The value data fields include a value indicator name field, a currency value field, and a currency unit field; The data tracing field records the original data source on which the accounting is based and the contribution weight of multiple data sources; When spaces overlap and cannot be split proportionally by area, the value is allocated according to the pre-defined contribution weight ratio in the knowledge graph. The allocation formula is as follows: ; in, The weight for the i-th item is stored in the data source field.

[0007] Furthermore, the asset catalog includes spatial distribution and area data of mangroves, salt marshes, seagrass beds, coral reefs, rocky beaches, sandy beaches, silty beaches, and water bodies; The spatial distribution and area data were obtained through remote sensing image classification and UAV aerial photography stitching technology, and imported into the catalog list according to the number of patches, the smallest patch area, the largest patch area, the average patch area, and the total patch area. The climate regulation and maintenance products include global climate regulation, local climate regulation, coastal protection, typhoon disaster relief, and pollution treatment and control. The cultural products include leisure tourism and landscape enhancement; The change information includes the degree of increase, the degree of decrease, and the net change; The accounting indicator for the physical quantity accounting account is habitat area, and spatial analysis tools are used to calculate the area change relationship between different assets.

[0008] Furthermore, the valuation model for calculating the total value of marine ecosystem assets includes: ; In the formula, This represents the total value of marine ecosystem assets at base year t; the total value of marine ecosystem assets. K represents the total number of marine ecosystem asset types within the accounting area; M represents the total number of years of existence of marine ecosystem assets; This indicates the total value provided by marine ecological products during the accounting period; Indicates the first The annual discount rate; This represents the time identifier for the m-th year; t represents the base year; The total value provided by the marine ecological products during the accounting period The calculations include: ; In the formula, It represents the value of material supply products; This indicates adjustments made to maintain the product's value; This indicates the value of cultural products; This indicates the value of species conservation products.

[0009] Furthermore, the calculation of the value of the material supply product includes: ; In the formula, Indicates the value of marine ecological products; Indicates the first The output of products supplied by a certain substance; It represents the total output of all material-supplied products; Indicates the first The proportion of the value of products supplied by a certain material in the total output value; i represents the type of material supply product.

[0010] Furthermore, the calculation of the adjustment to maintain product value includes: ; In the formula, This indicates the amount of oxygen released by a certain marine ecosystem; This indicates the cost of industrial oxygen production; This indicates the total heat absorbed by the marine ecosystem; This represents the average price of residential electricity. This indicates the total length of the coastline protected by the marine ecosystem from wave damage. This represents the sum of construction and maintenance costs per unit length of seawall or revetment engineering. This indicates the area of ​​vegetation habitat for a certain marine ecosystem; This represents the marginal value of typhoon disaster services provided by the vegetation habitat of a marine ecosystem. Indicates the amount of a certain pollutant emitted; This indicates the unit treatment cost of a certain pollutant.

[0011] Furthermore, the calculation of the value of the cultural product includes: ; In the formula, This indicates the value of cultural products; This indicates the marginal willingness to pay of tourists visiting coastal areas. This represents the total number of tourists visiting the coastal area. This indicates the total area of ​​residential buildings affected by the accounting area; This represents the average house price; Indicates the loan interest rate; This indicates the maximum term for the transfer of land use rights.

[0012] Furthermore, the calculation of the species conservation value includes: ; In the formula, Indicates the value of species conservation; Indicates the number of stakeholders; Indicates the population size or reproductive rate of endangered species in category v; v indicates the endangered species type; It represents the marginal willingness to pay for each endangered species.

[0013] Furthermore, the polymerization process includes: Establish spatial aggregation paths, which include administrative paths and asset paths; the administrative paths are districts / counties-cities or sub-sea areas-the entire sea area, and the asset paths are individual assets-product categories-total value of ecological products-total value of assets; Before aggregation, check whether the spatial geometry of each account overlaps, and whether the ecosystem products corresponding to each asset are mutually exclusive or overlapping. If duplicate entries are recorded, remove duplicate entries. For assets with multiple functions, the weights are determined according to the proportion of value contribution to avoid duplication caused by simple summation; Check if the currency unit of each account is the base year constant price; if not, convert it automatically. Aggregation processing is performed using an accelerator card connected to the host computer; Pre-calculate and cache the aggregation results for commonly used aggregation paths to improve query response speed; Each aggregation operation records a detailed aggregation log, including the list of input accounts, weight settings, and intermediate calculation results; Generate the total value of marine ecosystem assets including the total confidence interval, and output a visual tree of the total value composition; The acceleration card performs the following steps: Obtain the dataset of value quantities to be aggregated and the target aggregation processing type, wherein the aggregation processing type includes at least one of summation processing, averaging processing, calculating the maximum value and calculating the minimum value; The data types and corresponding width information of the data contained in the dataset are determined. Based on the processing bandwidth of the accelerator card and the width information, the number of data items processed by the accelerator card in a single run is determined, and the dataset is grouped accordingly. Based on the first correspondence between data type, processing type and aggregated processing block, the target aggregated processing block is determined; For each group, the target aggregation processing block is invoked to aggregate the data in that group, resulting in a group aggregation result. Based on the aggregation results of each group and the processing type, the final aggregation result of the dataset is determined; Write the final aggregation result into the host memory; When invalid data exists in the dataset, the accelerator card obtains the identification information corresponding to the invalid data, determines the target filling data based on the second correspondence between data type, processing type and filling data, replaces the invalid data with the target filling data and then performs aggregation processing.

[0014] The beneficial effects that this application can produce include: This application provides a method for full-chain accounting of marine ecosystems oriented towards account aggregation. By constructing a digital accounting account system that includes physical quantity accounts and value accounts, as well as the mapping relationship between the two, it achieves full-chain traceable accounting of marine ecosystem assets from spatial distribution and area changes to monetized value. This effectively solves the problems of separation between physical quantity and value and difficulty in data traceability in traditional accounting. At the same time, by aggregating through preset administrative or asset paths and embedding rules such as spatial overlap judgment, multi-functional asset weight allocation, and data alignment for different periods and units, it significantly improves the accuracy and consistency of value aggregation of multi-scale and multi-type marine ecological products, avoiding double counting or omissions. In addition, it provides a standardized account framework and aggregation process, which can support the rapid processing of large-scale accounting data and the generation of total value. Attached Figure Description

[0015] Figure 1 This is a flowchart illustrating a method for full-chain accounting of marine ecosystems oriented towards account aggregation, according to one embodiment of this application. Detailed Implementation

[0016] The present application is described in detail below with reference to the embodiments, but the present application is not limited to these embodiments.

[0017] See Figure 1 A method for full-chain accounting of marine ecosystems oriented towards account aggregation, comprising: Identify the types of marine ecosystem assets within the accounting area, obtain spatial distribution and area information, and generate an asset catalog list; According to the asset catalog, marine ecological products are divided into material supply products, regulation and maintenance products, cultural products, and species conservation products. Import the area data of each asset into the physical quantity accounting account, and record the beginning inventory, ending inventory and change information of the physical quantity accounting account; Based on the value assessment model, the values ​​in the physical quantity accounting account are converted into value measured at constant prices in the base year. The value of various marine ecological products is calculated separately, and the initial value, ending value and change information of the value accounting account are recorded. Establish digital accounting accounts, which include physical quantity accounting accounts and value accounting accounts, as well as the mapping relationship between the two; According to the preset administrative or asset path, the value in the value accounting account is aggregated to generate the total value of marine ecosystem assets.

[0018] Specifically, asset type identification needs to consider the marine geographical characteristics of the accounting area, such as nearshore, shallow sea, deep sea, islands, and bays. Based on standards such as the "Guidelines for Marine Ecosystem Service Assessment" and the "Technical Specifications for Ecological Environment Status Assessment," all quantifiable and categorizable marine ecosystem assets within the accounting area should be identified. These assets include three main categories: marine biological assets, marine environmental assets, and marine ecological spatial assets, avoiding the omission of key ecological assets. Accurate spatial coordinates, distribution range, and area data for each type of asset should be obtained through remote sensing monitoring, on-site surveys, and integration of existing data. For example, interpreting coastlines from satellite remote sensing imagery... The sea area is determined through underwater surveys to identify the distribution areas of benthic organisms, supplemented by data from marine environmental monitoring stations and fisheries surveys to provide details on asset distribution. Area data must be uniformly converted to standard units to ensure data consistency. Identified assets are categorized into asset categories, subcategories, and specific assets, with each category clearly defined in terms of name, type, spatial range, area, location, data source, and update cycle, forming a standardized asset catalog. The catalog must be traceable, clearly defining the basic information of each asset to avoid issues of lack of objects or basis in subsequent accounting, while also providing a clear index for asset classification and account aggregation.

[0019] Material supply products refer to material resources directly provided by the marine ecosystem that can be directly utilized by humans. These resources are available and can be partially consumed, corresponding to marine biological assets, seawater resources, and marine mineral resources in the asset catalog. Specifically, they include fishery products, marine plant resources, seawater chemical resources, and marine mineral resources. Regulation and maintenance products refer to the regulatory functions of the marine ecosystem in maintaining ecological balance and the human living environment. These are indirect services, not directly consumable but indispensable, corresponding to marine environmental assets and ecological space assets, such as climate regulation, water purification, disaster prevention and mitigation, and hydrological regulation. Cultural products refer to services provided by the marine ecosystem that meet human spiritual and cultural needs, corresponding to marine ecological space assets and biological assets, such as tourism, cultural heritage, scientific research and education, and leisure and entertainment. Species conservation products refer to the habitats and breeding environments provided by the marine ecosystem for biodiversity, protecting biodiversity and maintaining ecosystem integrity. These correspond to the comprehensive functions of various marine ecological assets, such as the protection of habitats for rare and endangered species, the maintenance of marine biodiversity, and the protection of genetic resources. These products do not directly generate economic value but are crucial to the sustainable development of the ecosystem and are an indispensable category in the accounting.

[0020] Furthermore, based on the asset catalog, a separate physical quantity accounting sub-account is established for each type of asset. The core fields of the account include: asset name, accounting period, beginning inventory, increase in the current period, decrease in the current period, ending inventory, and explanation of the reason for the change. The area or quantity data of each type of asset obtained in the first step are imported into the corresponding sub-account to clarify the baseline data of the beginning inventory. The ending inventory is obtained through end-of-period measurement, remote sensing monitoring, etc., to accurately record the specific values ​​and reasons for the increase or decrease in the current period.

[0021] It is important to note that the physical units of measurement for different types of assets must be standardized. For assets that are difficult to quantify directly, such as species conservation assets, alternative indicators such as habitat area and species number can be used to record the physical quantity, ensuring that all assets can be included in the account.

[0022] In this application, a year with stable economy and complete data is selected as the base year, and the price level of the base year is used as a constant price to avoid the impact of price fluctuations on value calculation and ensure the comparability of value quantities across different accounting periods and regions. Based on the characteristics of different types of marine ecological products, corresponding assessment models are selected to ensure the scientific and reasonableness of the assessment results. The specific correspondences are as follows: Material supply products are valued based on market transaction prices, combined with physical quantities; for example, fishery products are valued based on the average fishery market price of the base year, and seawater resources are valued based on water supply prices. Regulation and maintenance products, lacking direct market prices, are valued by calculating the cost required to replace their functions, such as the value of water purification. The value of disaster prevention and mitigation is calculated based on the cost of artificially purifying the same amount of water, while the value of cultural products is calculated based on the cost of constructing protective engineering projects. The value of cultural products is assessed by combining data such as tourism revenue and tourists' willingness to pay; for example, the value of coastal tourism is calculated based on total tourist spending and tourist attraction revenue. The ecological value of species conservation products is assessed by combining species protection costs and biodiversity value coefficients; for example, the value of rare species habitats is calculated based on protection project investment and species genetic value. Value quantity accounts are established to correspond one-to-one with physical quantity accounts, with each physical quantum account corresponding to a value quantum account. These accounts record the initial value, the increase or decrease in value during the period, and the final value, while also indicating the assessment model and price basis.

[0023] Leveraging big data, Geographic Information System (GIS), and database technologies, a digital accounting platform is built. During construction, a standardized database is constructed based on database technology to store various value data, accounting account information, aggregation logs, and weight settings, enabling centralized management, standardized storage, and efficient retrieval of data, while ensuring data security and traceability. Utilizing big data technology, a data processing module is built to enable rapid import, classification, invalid data identification, and preprocessing of datasets to be aggregated, providing high-quality data support for aggregation calculations. Combining GIS technology, a spatial analysis module is built to accurately present the spatial geometric distribution of various marine ecological assets, assisting in spatial overlap verification and spatial attribution determination, ensuring the accuracy of spatial verification during the aggregation process. Based on this, the entire aggregation processing workflow is integrated. This forms a complete digital accounting platform, providing a stable and efficient operating platform for subsequent aggregation processing. The aggregation processing of marine ecosystem value involves standardizing, verifying, and optimizing various value data through a pre-defined spatial aggregation path, ultimately generating the total value of marine ecosystem assets. The digital accounting platform specifically consists of a physical quantity accounting module and a value accounting module, corresponding to the previously established physical quantity and value accounts, respectively, enabling the digital entry, storage, query, and modification of accounts. A one-to-one mapping between physical quantity accounts and value accounts is achieved through asset IDs. That is, the physical quantity data of each asset is associated with the corresponding value data through a unified asset ID, ensuring that changes in physical quantity and value change synchronously, achieving data linkage. For example, if the area of ​​a marine ecological space asset increases, the digital account will automatically calculate its value increase synchronously, eliminating the need for manual re-entry.

[0024] It is worth noting that the preset aggregation path aggregates assets according to administrative division levels, such as from township to county to city to province to country. This aggregates the value of all marine ecological assets within the corresponding administrative region, generating the total value of marine ecosystem assets for each administrative region. This value is used for regional marine ecological management, performance evaluation, and cross-regional coordination. For example, to calculate the total value of marine ecological assets of a prefecture-level city, the value of various marine ecological products from all counties and districts within that city's jurisdiction needs to be aggregated. Aggregation can also be performed according to asset type and ecological product type. For instance, it can first aggregate assets by four major product types: material supply, regulation and maintenance, culture, and species conservation, and then aggregate them to obtain the total value of marine ecosystem assets. Alternatively, it can aggregate assets by three major categories: marine biological assets, environmental assets, and ecological space assets. By analyzing the value contribution of different types of assets and identifying key areas for ecological protection, for example, by aggregating asset paths, it can be found that the value of products that regulate and maintain the ecosystem accounts for the highest proportion. Therefore, it is necessary to focus on strengthening the protection of the marine ecosystem's regulatory functions. In the digital accounting account, the value data under the corresponding path is automatically summarized through a preset aggregation algorithm, eliminating duplicate accounting and generating the total value of marine ecosystem assets. At the same time, an aggregation report is generated, which clarifies the value, proportion, and trend of each item. The generated total value of marine ecosystem assets can be used for marine ecological protection planning, ecological compensation standard calculation, resource development and utilization decision-making, and ecological environment performance assessment, so as to truly realize that accounting serves management and promote the sustainable development of marine ecosystems.

[0025] The core fields of the digital accounting account include: Identification fields, time attribute fields, spatial attribute fields, physical quantity data fields, value data fields, and data traceability fields; The physical quantity accounting account and the value accounting account are softly linked through a mapping table, which records the conversion path from physical quantity to value. The identity identification field is hard-linked with the data traceability field. Each digital accounting account has a unique identifier that corresponds to a unique data traceability record. A version chain is automatically created when the data changes. A time alignment rule is provided between the time attribute field and the physical quantity data field to convert data of different period types to a standard time granularity. A spatial attribution judgment rule is provided between the spatial attribute field and the value data field, which is used to split or merge the value data according to the proportion of spatial overlap area. The physical quantity data field and the value data field are synchronized bidirectionally through the mapping table. When the physical quantity changes, the value is updated according to the conversion function. When the value is manually corrected, the equivalent range of the physical quantity is calculated in reverse.

[0026] Specifically, each account's core fields include identity identifier, time attribute, spatial attribute, physical quantity data, value data, and data traceability field. The identity identifier field and the data traceability field use a hard association, meaning they are forcibly bound at the database level: each account's unique identifier must correspond to a unique and complete traceability record. Once data changes, the system automatically adds a version node under that identifier and links to the previous version, forming an immutable operation trajectory. The physical quantity account and the value account are softly associated through a mapping table. Their physical storage is independent, and the mapping table only records the conversion path and function rules from physical quantity to value, allowing for flexible adjustments to pricing rules without disrupting the original physical records. The time attribute field and the physical quantity data field have pre-defined time alignment rules. When the physical data... When the reporting period differs from the standard time granularity required for accounting, the system automatically recalculates based on rules such as period proportion, linear interpolation, or final value propagation. Spatial attribute fields and value data fields have spatial attribution rules. If a value entity covers multiple spatial areas, the value is automatically split or merged based on the overlap ratio between the boundaries of each area and the asset, ensuring reasonable spatial attribution. The most crucial linkage is between the physical quantity data field and the value data field, achieving bidirectional synchronization through a mapping table. In the forward direction, when the physical quantity changes, the conversion function in the mapping table actively triggers a value update while retaining traceability markers. In the reverse direction, when the value is manually corrected, the physical quantity is not directly altered; instead, the equivalent reasonable range of the physical quantity is calculated based on the same mapping relationship, and deviation warnings or suggestions are output, thus forming a closed-loop verification. Through hard association to ensure traceability, soft association to promote flexibility, and bidirectional synchronization to maintain consistency, the digital accounting account can support scenarios related to marine ecological asset status. In addition, digital accounts should also have auxiliary functions such as dynamic updates, data verification, and visualization. Dynamic updates can be achieved by importing data in real time from remote sensing monitoring and on-site surveys to update the asset stock and value in real time. Data verification can automatically check the calculation logic of physical quantity and value to avoid data errors. Visualization can be achieved by presenting the spatial distribution, changes in stock and total value of various assets in a visual way through maps, charts and other forms, so that management departments can quickly grasp the status of marine ecological assets.

[0027] The identity identification fields include a globally unique account identifier, an asset type code, and a spatial unit code; The time attribute field includes a timestamp and a period type field; The spatial attribute fields include spatial geometric information fields and area fields; The physical quantity data fields include a physical quantity indicator name field, a physical quantity value field, and a physical quantity unit field; The value data fields include a value indicator name field, a currency value field, and a currency unit field; The data tracing field records the original data source on which the accounting is based and the contribution weight of multiple data sources; When spaces overlap and cannot be split proportionally by area, the value is allocated according to the pre-defined contribution weight ratio in the knowledge graph. The allocation formula is as follows: ; in, The weight for the i-th item is stored in the data source field.

[0028] Specifically, the globally unique account identifier is a unique ID for each digital accounting account, used to accurately distinguish different accounts in the system. It is hard-linked to the data traceability field, and once an account is created, all changes are recorded under this ID. The asset type code identifies which type of marine asset the account is accounting for, facilitating classification and statistics. The spatial unit code identifies the geographical unit where the asset is located, supporting aggregation by region and ensuring that each account can be uniquely identified, quickly classified, and accurately located in terms of spatial affiliation. The timestamp records the base time or update time of the account's data, used for time series analysis and change tracking. The period type field describes the data update or statistical period, helping the system to convert data to a uniform time granularity and achieve standardized comparison and accumulation of data from different time periods. The spatial geometry information field stores the boundary coordinates or vector graphics of the asset, used for spatial analysis and overlap determination. The area field records the origin of the asset. The area is a physical quantity accounting indicator that supports spatial overlap calculation, area change monitoring, and value breakdown by area ratio. The indicator name specifies what the physical quantity being calculated is, and the value is the specific physical quantity figure. The unit is the unit of measurement for the value, fully recording what the physical quantity is, how much there is, and what measurement is used, facilitating subsequent value conversion. The indicator name describes the type of value being calculated. The monetary value is the amount measured at constant prices in the base year, and the monetary unit is the currency. It uniformly records the results after the monetization of ecological products and supports value comparison and summation across regions and asset types. The data source field records the original data sources on which the accounting is based and the contribution weights of multiple data sources. The original data sources list the data files, satellite imagery, survey statistics, literature parameters, etc., on which the value or physical quantity calculation depends. When the same accounting result is derived from multiple data sources, the weight of each data source is recorded.

[0029] It should be noted that in marine ecosystem accounting, different ecological assets may overlap spatially. For example, a body of water may be both a mangrove forest and a fish habitat. When it is not possible to simply allocate the total value of a certain ecosystem service according to the proportion of overlapping area, a pre-built knowledge graph is used to look up the contribution weight of each asset or service in the overlapping area. For example, expert knowledge or historical data may indicate that mangroves contribute 70% and seagrass beds contribute 30%, and then the total value is allocated according to these weight proportions.

[0030] In one embodiment, a coastal area simultaneously provides typhoon disaster protection services, involving mangroves with a weight of 0.7 and salt marshes with a weight of 0.3, with a total protection value of 10 million yuan. According to the weights in the knowledge graph, the mangroves receive 7 million yuan and the salt marshes receive 3 million yuan, instead of each receiving 5 million yuan based on area. This avoids the valuation bias caused by simply dividing by area, making the value allocation more consistent with the actual contribution of ecological functions, thereby improving the accuracy of marine ecosystem asset accounting.

[0031] The asset catalog includes spatial distribution and area data for mangroves, salt marshes, seagrass beds, coral reefs, rocky beaches, sandy beaches, mudflats, and water bodies. The spatial distribution and area data were obtained through remote sensing image classification and UAV aerial photography stitching technology, and imported into the catalog list according to the number of patches, the smallest patch area, the largest patch area, the average patch area, and the total patch area. The climate regulation and maintenance products include global climate regulation, local climate regulation, coastal protection, typhoon disaster relief, and pollution treatment and control. The cultural products include leisure tourism and landscape enhancement; The change information includes the degree of increase, the degree of decrease, and the net change; The accounting indicator for the physical quantity accounting account is habitat area, and spatial analysis tools are used to calculate the area change relationship between different assets.

[0032] Specifically, the marine ecosystem asset catalog is the foundation for the full-chain accounting of marine ecosystems oriented towards account collection, focusing on the accurate sorting and standardized data entry of various marine ecological assets. The catalog clearly includes eight core marine ecological asset types, namely mangroves, salt marshes, seagrass beds, coral reefs, rocky shoals, sandy beaches, silty beaches, and water bodies. The core basic data for each type of asset is spatial distribution information and area data. This data is obtained through the collaborative acquisition of remote sensing image classification technology and UAV aerial photography stitching technology, taking into account both the comprehensiveness and accuracy of the data, and can effectively reflect the actual distribution range and coverage scale of various assets.

[0033] To ensure the standardization and data consistency of subsequent accounting work, the spatial distribution and area data obtained must be entered into a catalog according to a unified standard. The entry standard specifically covers the number of patches, the smallest patch area, the largest patch area, the average patch area, and the total patch area, to ensure that the data standards for various assets are consistent and to provide reliable data support for subsequent physical quantity accounting, value accounting, and the establishment of digital accounts.

[0034] The valuation model calculates the total value of marine ecosystem assets, including: ; In the formula, This represents the total value of marine ecosystem assets at base year t; the total value of marine ecosystem assets. K represents the total number of marine ecosystem asset types within the accounting area; M represents the total number of years of existence of marine ecosystem assets; This indicates the total value provided by marine ecological products during the accounting period; Indicates the first The annual discount rate; This represents the time identifier for the m-th year; t represents the base year; The total value provided by the marine ecological products during the accounting period The calculations include: ; In the formula, It represents the value of material supply products; This indicates adjustments made to maintain the product's value; This indicates the value of cultural products; This indicates the value of species conservation products.

[0035] The calculation of the value of the material supply products includes: ; In the formula, Indicates the value of marine ecological products; Indicates the first The output of products supplied by a certain substance; It represents the total output of all material-supplied products; Indicates the first The proportion of the value of products supplied by a certain material in the total output value; i represents the type of material supply product.

[0036] The calculation of the adjustment to maintain product value includes: ; In the formula, This indicates the amount of oxygen released by a certain marine ecosystem; This indicates the cost of industrial oxygen production; This indicates the total heat absorbed by the marine ecosystem; This represents the average price of residential electricity. This indicates the total length of the coastline protected by the marine ecosystem from wave damage. This represents the sum of construction and maintenance costs per unit length of seawall or revetment engineering. This indicates the area of ​​vegetation habitat for a certain marine ecosystem; This represents the marginal value of typhoon disaster services provided by the vegetation habitat of a marine ecosystem. Indicates the amount of a certain pollutant emitted; This indicates the unit treatment cost of a certain pollutant.

[0037] The calculation of the value of the cultural products includes: ; In the formula, This indicates the value of cultural products; This indicates the marginal willingness to pay of tourists visiting coastal areas. This represents the total number of tourists visiting the coastal area. This indicates the total area of ​​residential buildings affected by the accounting area; This represents the average house price; Indicates the loan interest rate; This indicates the maximum term for the transfer of land use rights.

[0038] The calculation of the species conservation value includes: ; In the formula, Indicates the value of species conservation; Indicates the number of stakeholders; Indicates the population size or reproductive rate of endangered species in category v; v indicates the endangered species type; It represents the marginal willingness to pay for each endangered species.

[0039] Specifically, the total value of marine ecosystem assets is calculated using a set base year. The calculation requires comprehensive consideration of all types of marine ecosystem assets within the accounting area, as well as the total value of ecological products provided by these assets throughout their entire lifespan. The specific calculation logic is as follows: first, the total value of ecological products provided by each type of asset in each lifespan is summarized; then, the total value of ecological products in each year is discounted to the base year value using the corresponding discount rate; finally, the discounted values ​​of all assets and all lifespan years are summed to obtain the total value of marine ecosystem assets in the base year. The discount rate is used to balance the time differences in value between different years, and the time identifier is used to clarify the time interval between each lifespan year and the base year, ensuring the accuracy of the discounting logic.

[0040] The total value provided by marine ecological products during the accounting period is the sum of the values ​​of four major categories of marine ecological products: material supply products, regulation and maintenance products, cultural products, and species conservation products. In other words, by adding up the values ​​generated by each of these four categories of products during the accounting period, we can obtain the total value of ecological products provided by the entire marine ecosystem during that period. This value is the core basic data for calculating the total value of marine ecosystem assets.

[0041] The value calculation of material supply products is based on the output proportion of each type of material supply product. First, the output of each type of material supply product and the total output of all material supply products are determined, and the proportion of each product's output to the total output is calculated. Then, the total output value of all material supply products and the proportion of each product's value to the total output value are combined. By multiplying the two, the value of each type of material supply product can be calculated separately. Finally, the values ​​of all material supply products are summed to obtain the total value of material supply products.

[0042] The value of regulation and maintenance products is the sum of the values ​​of various regulation services, mainly covering five categories. The value calculation for each category follows the logic of quantitative indicator × corresponding unit price / cost. Specifically, the value of oxygen release services is derived by multiplying the amount of oxygen released by the marine ecosystem by the cost of industrial oxygen production; the value of heat absorption services is derived by multiplying the total heat absorbed by the average residential electricity price; the value of coastal protection services is derived by multiplying the total length of wave-damping and protected coastline by the total construction and maintenance cost per unit length of seawall or revetment engineering; the value of typhoon disaster prevention and control services is derived by multiplying the vegetation habitat area by the marginal value of the typhoon disaster service provided by that habitat; and the value of pollution treatment services is derived by multiplying the emission volume of a certain pollutant by the unit treatment cost of that pollutant. The sum of the values ​​of these five categories of services is the total value of the regulation and maintenance products.

[0043] The value of cultural products mainly consists of two parts: the value of coastal tourism services and the added value of the landscape. The value of coastal tourism services is calculated by multiplying the marginal willingness to pay of coastal tourists by the total number of tourists. Marginal willingness to pay reflects the additional costs tourists are willing to pay for the tourism experience. The added value of the landscape is calculated by combining the total area of ​​residential buildings affected by the marine landscape in the accounting area, the average housing price, loan interest rates, and the maximum term of land use rights. The core is to quantify the value enhancement that the marine landscape brings to surrounding residential buildings. Adding these two parts together gives the total value of the cultural product.

[0044] The valuation of species conservation products is based primarily on stakeholder willingness and the status of endangered species protection. First, the number of stakeholders involved in species conservation is determined. Then, the product of the population size or reproduction rate of each endangered species and the marginal willingness to pay for each endangered species is calculated. After summing the relevant calculations for all endangered species, this is multiplied by the number of stakeholders to obtain the total value of the species conservation product. Here, marginal willingness to pay reflects the amount stakeholders are willing to pay to protect endangered species, while population size or reproduction rate quantifies the current state of endangered species protection.

[0045] The polymerization process includes: Establish spatial aggregation paths, which include administrative paths and asset paths; the administrative paths are districts / counties-cities or sub-sea areas-the entire sea area, and the asset paths are individual assets-product categories-total value of ecological products-total value of assets; Before aggregation, check whether the spatial geometry of each account overlaps, and whether the ecosystem products corresponding to each asset are mutually exclusive or overlapping. If duplicate entries are recorded, remove duplicate entries. For assets with multiple functions, the weights are determined according to the proportion of value contribution to avoid duplication caused by simple summation; Check if the currency unit of each account is the base year constant price; if not, convert it automatically. Aggregation processing is performed using an accelerator card connected to the host computer; Pre-calculate and cache the aggregation results for commonly used aggregation paths to improve query response speed; Each aggregation operation records a detailed aggregation log, including the list of input accounts, weight settings, and intermediate calculation results; Generate the total value of marine ecosystem assets including the total confidence interval, and output a visual tree of the total value composition; The acceleration card performs the following steps: Obtain the dataset of value quantities to be aggregated and the target aggregation processing type, wherein the aggregation processing type includes at least one of summation processing, averaging processing, calculating the maximum value and calculating the minimum value; The data types and corresponding width information of the data contained in the dataset are determined. Based on the processing bandwidth of the accelerator card and the width information, the number of data items processed by the accelerator card in a single run is determined, and the dataset is grouped accordingly. Based on the first correspondence between data type, processing type and aggregated processing block, the target aggregated processing block is determined; For each group, the target aggregation processing block is invoked to aggregate the data in that group, resulting in a group aggregation result. Based on the aggregation results of each group and the processing type, the final aggregation result of the dataset is determined; Write the final aggregation result into the host memory; When invalid data exists in the dataset, the accelerator card obtains the identification information corresponding to the invalid data, determines the target filling data based on the second correspondence between data type, processing type and filling data, replaces the invalid data with the target filling data and then performs aggregation processing.

[0046] Specifically, the aggregation of marine ecosystem value involves standardizing, verifying, and optimizing various value data through a pre-defined spatial aggregation path to ultimately generate the total value of marine ecosystem assets. Two types of spatial aggregation paths are established: administrative path and asset path. The administrative path aggregates data according to administrative divisions from districts and counties to cities, and also according to the sea area from individual sea areas to the entire sea area. The asset path aggregates data step by step according to the levels of individual assets, product categories, total value of ecological products, and total asset value.

[0047] Before formal aggregation, it is necessary to perform spatial and product overlap verification to check whether there is any overlap in the spatial geometry corresponding to each accounting account. At the same time, it is necessary to confirm whether there are any mutually exclusive or overlapping ecological products corresponding to each asset. If duplicate value data is found, duplicate items must be removed in time to avoid double accounting. Multifunctional asset weight verification is also required. For superimposed assets with multiple ecological functions, the corresponding weights must be determined according to the value contribution ratio of each function, and the value should be allocated according to the weights to avoid the inflated value caused by simple summation.

[0048] In addition, currency unit verification is required to check whether the currency unit of all accounting accounts is consistent with the base year constant price. If there is any inconsistency, it will be automatically converted to the base year constant price to ensure that the aggregated data is consistent.

[0049] During the aggregation process, an accelerator card connected to the host is used to improve processing efficiency. It acquires the dataset containing the value to be aggregated, as well as the target aggregation processing type. This type includes one or more of the following: summation, averaging, maximum value calculation, and minimum value calculation. Next, the data types and corresponding width information of each data category in the dataset are determined. Combined with the accelerator card's processing bandwidth, the number of data items that the accelerator card can process at one time is determined, and the dataset is divided into several groups accordingly. Then, based on the correspondence between data type, processing type, and aggregation processing block, the appropriate target aggregation processing block is determined. For each data group, the target aggregation processing block is invoked for aggregation processing, yielding the aggregation results for each group. Finally, based on the aggregation results of all groups and the preset processing type, the final aggregation result of the entire dataset is summarized. The final aggregation result is then written to the host memory, completing the aggregation calculation. If invalid data exists in the dataset, the accelerator card first obtains the invalid data's identifier information. Then, based on the correspondence between data type, processing type, and filler data, it determines suitable target filler data, replaces the invalid data with filler data, and performs aggregation processing again to ensure the accuracy of the aggregation result.

[0050] To improve aggregation efficiency and query response speed, the aggregation results for frequently used aggregation paths are pre-calculated and cached. Subsequent queries can directly access the cached data without repeating the aggregation. Simultaneously, each aggregation operation records a detailed aggregation log, including the input account list, weight settings for various assets and products, and intermediate calculation results during the aggregation process.

[0051] After the aggregation process is completed, the total value of marine ecosystem assets containing the total confidence interval is finally generated. At the same time, a visualized total value composition tree is output, which clearly presents the hierarchical composition of the total asset value, making it easy to intuitively view the value proportion and correlation of various assets and ecological products.

[0052] It should be noted that in this application, different marine ecological assets naturally overlap or coexist in space, thus allowing multiple asset accounts to correspond to the same geographical area. In addition, the same plot of land may provide multiple ecological products simultaneously, where spatial overlap is objectively present. For example, mangroves and seagrass beds highly overlap in the transition zone, or the same mudflat serves as both a silt beach and a shellfish habitat. The design does not forcibly eliminate spatial overlap, but rather records it as is. During aggregation, the values ​​of each account must be summed into a single total value. If simply summed, it would result in double counting, with the same product or substitute product provided in the same location being counted separately by multiple accounts. Therefore, overlap must be identified before aggregation and processed according to rules. For ecological products in the same spatial location that have the same function or are mutually substitutable, the system determines them to be mutually exclusive and retains only one of them. For products of different types and not repeated, even if they overlap spatially, they are not mutually exclusive and can be superimposed. In more complex scenarios, if mutually exclusive services in the overlapping area cannot be split by area, the preset knowledge graph weights are used for splitting. These weights are set during the account creation stage and are used directly during aggregation. Therefore, pre-aggregation checks and weighted allocation are the specific execution steps of knowledge graph allocation rules.

[0053] Example This embodiment takes the marine ecosystem of a new district in a coastal city in my country as the accounting area, uses this method to perform full-chain accounting of the marine ecosystem, and finally generates the total value of marine ecosystem assets.

[0054] Step 1: Identify the types of marine ecosystem assets within the accounting area and generate an asset catalog; Spatial distribution and area data of the following assets within the accounting area were obtained by stitching together Sentinel-2 satellite remote sensing imagery with UAV aerial photography: Mangrove forest: 13.5km 2 Salt marsh: 8.2km 2 , seagrass bed: 2.6km 2 Coral reef: 0km 2 Rocky Beach: 1.1km 2 Beach: 4.3km 2 Mudflats: 9.7km 2 Water body: 126.4 km 2 .

[0055] An asset catalog list is generated based on the number of patches, minimum patch area, maximum patch area, average patch area, and total patch area.

[0056] Step 2: Classify marine ecological products; Based on the aforementioned asset catalog, the marine ecological products of this region are categorized as follows: Material supply products: catch of fish, shellfish, and algae; Climate regulation and maintenance products: global climate regulation, coastal protection, typhoon disaster buffering, and pollution treatment; Cultural products: leisure tourism and landscape enhancement; Species conservation products: Habitat protection for rare species such as the Chinese white dolphin and the black-faced spoonbill.

[0057] Step 3: Physical quantity verification; Import the area data for each asset into the physical quantity accounting account, with the accounting indicator being habitat area. Record: Beginning inventory; Ending inventory; Net change: The net increase in mangrove area was 0.7 km². 2 The silt beach has been reduced by 1.2 km. 2 ; Spatial analysis tools (ArcGIS) were used to calculate the area change relationships between different assets, such as how mangrove expansion led to a 0.5 km² reduction in the area of ​​mudflats. 2 .

[0058] Step 4: Value Calculation; Based on the value assessment model, the values ​​in the physical quantity accounting account are converted into value measured in constant prices in the base year of 2020.

[0059] (1) Value of material supply products The region's annual fish production is 1200 tons, shellfish 800 tons, and algae 500 tons. Based on local market prices and production value ratios (fish 50%, shellfish 30%, algae 20%), the following calculations were made: =34.2 million yuan.

[0060] (2) Adjusting and maintaining product value Carbon sequestration and oxygen release: Based on the carbon sequestration rate of mangroves and seagrass beds, combined with the cost of industrial oxygen production, the value is calculated to be 15.6 million yuan. Coastal protection: 18km of wave-damping revetment, calculated at 23 million yuan based on the construction and maintenance costs of seawalls; Typhoon disaster buffer: vegetation habitat area × marginal value, calculated at 8.7 million yuan; Pollution treatment: COD and nitrogen and phosphorus reduction amount × unit treatment cost, calculated as 4.1 million yuan; total =51.4 million yuan.

[0061] (3) Value of cultural products Coastal tourism: 2.2 million tourists per year, marginal willingness to pay 35 yuan per person, calculated at 77 million yuan; Landscape enhancement: Affecting 250,000 square meters of building area. 2The average house price is 18,000 yuan / m². 2 The loan interest rate is 4.2%, the term is 40 years, and the premium is calculated to be 12.5 million yuan.

[0062] total =89.5 million yuan.

[0063] (4) Species conservation value Stakeholder willingness to pay surveys, combined with endangered species population sizes, were used to calculate... =6.3 million yuan; Total value of marine ecological products in this region (at constant prices in 2020): =3420+5140+8950+630=181.4 million yuan; The aforementioned value, along with its initial value, ending value, and changes, shall be recorded in the value accounting account.

[0064] Step 5: Establish digital accounting accounts; Establish a digital accounting account that includes physical quantity accounting accounts and value accounting accounts, as well as the mapping relationship between the two. The mapping table records the conversion path from physical quantity to value.

[0065] The core fields for each digital accounting account are as follows: Identification data, time attributes, spatial attributes, physical quantity data, value data, and data traceability.

[0066] Step 6: Aggregate value according to the preset path to generate the total value of marine ecosystem assets; This step uses an accelerator card connected to the host for high-performance aggregation. The accelerator card is connected to the host via the PCIe bus.

[0067] 6.1 Establishing an aggregation path Administrative pathway: District / County - City - Entire Sea Area; Asset path: Individual asset (mangroves) - Product category (regulation and maintenance products) - Total value of ecological products - Total asset value.

[0068] 6.2 Pretreatment before polymerization Spatial geometric overlap was examined: the mangrove forest and seagrass bed overlapped by 0.2 km. 2 The areas overlap and cannot be separated by area. Their contributions to typhoon protection differ. Based on the pre-defined contribution weights in the knowledge graph (mangroves 0.7, seagrass beds 0.3), the total typhoon protection value of the overlapping area (300,000 yuan) is calculated as follows: distribute; The value of leisure tourism already includes the cultural value of birdwatching, so the 130,000 yuan of duplicate records was removed. All values ​​are standardized to 10,000 yuan at constant 2020 prices.

[0069] 6.3 Accelerator card performs aggregation The accelerator card reads the dataset of values ​​to be aggregated from the host memory. Each record contains: asset code, value amount, region code, etc.

[0070] Aggregation processing types: summation to calculate total asset value, average to calculate unit area value, and maximum value (regional extreme value).

[0071] The accelerator card is installed using the following steps: Obtain the dataset to be aggregated and its processing type.

[0072] Data type: Value amount is DECIMAL64 (64-bit width), asset code is INT32 (32-bit width); Based on the accelerator card's processing bandwidth (512 bits) and width information, the number of data items processed in a single run is calculated: 8 for DECIMAL64 and 16 for INT32; the dataset is then grouped. Determine the target aggregation processing block: Select the corresponding hardware aggregation block (e.g., 64-bit fixed-point summation block) based on the data type and aggregation type. Some accounts were marked as invalid because there was no monitoring data for that year. The acceleration card automatically filled in the invalid data according to the processing type: 0 was filled for summation and average, and the minimum value was filled in for the maximum value. The invalid data was then replaced before being included in the aggregation.

[0073] The aggregation processing block is invoked to process each group in parallel, resulting in the group aggregation result.

[0074] The results of each group were summarized again to obtain: Total assets: RMB 181.4 million; Average value per unit area: 632,000 yuan / km² 2 ; Maximum value in the region (mangroves): 8.72 million yuan / km² 2 ; The accelerator card writes the final aggregation result back to the host memory.

[0075] 6.4 Caching and Logging Pre-calculate and cache the aggregation results for commonly used aggregation paths to reduce subsequent query response time; Each aggregation operation is logged in detail: the list of input accounts, weight settings, and intermediate calculation results are recorded for easy auditing.

[0076] 6.5 Output Results The total value of marine ecosystem assets is estimated at RMB 181.4 million, and the total confidence interval is given. A visualized total value tree is output, showing that material supply accounts for 18.9%, regulation and maintenance account for 28.3%, cultural products account for 49.4%, and species conservation accounts for 3.4%.

[0077] The above description is merely a few embodiments of this application and is not intended to limit this application in any way. Although this application discloses preferred embodiments as described above, it is not intended to limit this application. Any changes or modifications made by those skilled in the art without departing from the scope of the technical solution of this application using the disclosed technical content are equivalent to equivalent implementation cases and fall within the scope of the technical solution.

Claims

1. A method for full-chain accounting of marine ecosystems oriented towards account aggregation, characterized in that, include: Identify the types of marine ecosystem assets within the accounting area, obtain spatial distribution and area information, and generate an asset catalog list; According to the asset catalog, marine ecological products are divided into material supply products, regulation and maintenance products, cultural products, and species conservation products. Import the area data of each asset into the physical quantity accounting account, and record the beginning inventory, ending inventory and change information of the physical quantity accounting account; Based on the value assessment model, the values ​​in the physical quantity accounting account are converted into value measured at constant prices in the base year. The value of various marine ecological products is calculated separately, and the initial value, ending value and change information of the value accounting account are recorded. Establish digital accounting accounts, which include physical quantity accounting accounts and value accounting accounts, as well as the mapping relationship between the two; According to the preset administrative or asset path, the value in the value accounting account is aggregated to generate the total value of marine ecosystem assets.

2. The method for full-chain accounting of marine ecosystems oriented towards account aggregation as described in claim 1, characterized in that, The core fields of the digital accounting account include: Identification fields, time attribute fields, spatial attribute fields, physical quantity data fields, value data fields, and data traceability fields; The physical quantity accounting account and the value accounting account are softly linked through a mapping table, which records the conversion path from physical quantity to value. The identity identification field is hard-linked with the data traceability field. Each digital accounting account has a unique identifier that corresponds to a unique data traceability record. A version chain is automatically created when the data changes. A time alignment rule is provided between the time attribute field and the physical quantity data field to convert data of different period types to a standard time granularity. A spatial attribution judgment rule is provided between the spatial attribute field and the value data field, which is used to split or merge the value data according to the proportion of spatial overlap area. The physical quantity data field and the value data field are synchronized bidirectionally through the mapping table. When the physical quantity changes, the value is updated according to the conversion function. When the value is manually corrected, the equivalent range of the physical quantity is calculated in reverse.

3. The method for full-chain accounting of marine ecosystems oriented towards account aggregation as described in claim 2, characterized in that, The identity identification fields include a globally unique account identifier, an asset type code, and a spatial unit code; The time attribute field includes a timestamp and a period type field; The spatial attribute fields include spatial geometric information fields and area fields; The physical quantity data fields include a physical quantity indicator name field, a physical quantity value field, and a physical quantity unit field; The value data fields include a value indicator name field, a currency value field, and a currency unit field; The data tracing field records the original data source on which the accounting is based and the contribution weight of multiple data sources; When spaces overlap and cannot be split proportionally by area, the value is allocated according to the pre-defined contribution weight ratio in the knowledge graph. The allocation formula is as follows: ； in, The weight for the i-th item is stored in the data source field.

4. The method for full-chain accounting of marine ecosystems oriented towards account aggregation according to claim 1, characterized in that, The asset catalog includes spatial distribution and area data for mangroves, salt marshes, seagrass beds, coral reefs, rocky beaches, sandy beaches, mudflats, and water bodies. The spatial distribution and area data were obtained through remote sensing image classification and UAV aerial photography stitching technology, and imported into the catalog list according to the number of patches, the smallest patch area, the largest patch area, the average patch area, and the total patch area. The climate regulation and maintenance products include global climate regulation, local climate regulation, coastal protection, typhoon disaster relief, and pollution treatment and control. The cultural products include leisure tourism and landscape enhancement; The change information includes the degree of increase, the degree of decrease, and the net change; The accounting indicator for the physical quantity accounting account is habitat area, and spatial analysis tools are used to calculate the area change relationship between different assets.

5. The method for full-chain accounting of marine ecosystems oriented towards account aggregation according to claim 4, characterized in that, The valuation model calculates the total value of marine ecosystem assets, including: ； In the formula, This represents the total value of marine ecosystem assets at base year t; the total value of marine ecosystem assets. K represents the total number of marine ecosystem asset types within the accounting area; M represents the total number of years of existence of marine ecosystem assets; This indicates the total value provided by marine ecological products during the accounting period; Indicates the first The annual discount rate; This represents the time identifier for the m-th year; t represents the base year; The total value provided by the marine ecological products during the accounting period The calculations include: ； In the formula, It represents the value of material supply products; This indicates adjustments made to maintain the product's value; This indicates the value of cultural products; This indicates the value of species conservation products.

6. The method for full-chain accounting of marine ecosystems oriented towards account aggregation according to claim 5, characterized in that, The calculation of the value of the material supply products includes: ； In the formula, Indicates the value of marine ecological products; Indicates the first The output of products supplied by a certain substance; It represents the total output of all material-supplied products; Indicates the first The proportion of the value of products supplied by a certain material in the total output value; i represents the type of material supply product.

7. The method for full-chain accounting of marine ecosystems oriented towards account aggregation as described in claim 5, characterized in that, The calculation of the adjustment to maintain product value includes: ； In the formula, This indicates the amount of oxygen released by a certain marine ecosystem; This indicates the cost of industrial oxygen production; This indicates the total heat absorbed by the marine ecosystem; This represents the average price of residential electricity. This indicates the total length of the coastline protected by the marine ecosystem from wave damage. This represents the sum of construction and maintenance costs per unit length of seawall or revetment engineering. This indicates the area of ​​vegetation habitat for a certain marine ecosystem; This represents the marginal value of typhoon disaster services provided by the vegetation habitat of a marine ecosystem. Indicates the amount of a certain pollutant emitted; This indicates the unit treatment cost of a certain pollutant.

8. The method for full-chain accounting of marine ecosystems oriented towards account aggregation according to claim 5, characterized in that, The calculation of the value of the cultural products includes: ； In the formula, This indicates the value of cultural products; This indicates the marginal willingness to pay of tourists visiting coastal areas. This represents the total number of tourists visiting the coastal area. This indicates the total area of ​​residential buildings affected by the accounting area; This represents the average house price; Indicates the loan interest rate; This indicates the maximum term for the transfer of land use rights.

9. The method for full-chain accounting of marine ecosystems oriented towards account aggregation according to claim 5, characterized in that, The calculation of the species conservation value includes: ； In the formula, Indicates the value of species conservation; Indicates the number of stakeholders; Indicates the population size or reproductive rate of endangered species in category v; v indicates the endangered species type; It represents the marginal willingness to pay for each endangered species.

10. The method for full-chain accounting of marine ecosystems oriented towards account aggregation according to claim 1, characterized in that, The polymerization process includes: Establish spatial aggregation paths, which include administrative paths and asset paths; the administrative paths are districts / counties-cities or sub-sea areas-the entire sea area, and the asset paths are individual assets-product categories-total value of ecological products-total value of assets; Before aggregation, check whether the spatial geometry of each account overlaps, and whether the ecosystem products corresponding to each asset are mutually exclusive or overlapping. If duplicate entries are recorded, remove duplicate entries. For assets with multiple functions, the weights are determined according to the proportion of value contribution to avoid duplication caused by simple summation; Check if the currency unit of each account is the base year constant price; if not, convert it automatically. Aggregation processing is performed using an accelerator card connected to the host computer; Pre-calculate and cache the aggregation results for commonly used aggregation paths to improve query response speed; Each aggregation operation records a detailed aggregation log, including the list of input accounts, weight settings, and intermediate calculation results; Generate the total value of marine ecosystem assets including the total confidence interval, and output a visual tree of the total value composition; The acceleration card performs the following steps: Obtain the dataset of value quantities to be aggregated and the target aggregation processing type, wherein the aggregation processing type includes at least one of summation processing, averaging processing, calculating the maximum value and calculating the minimum value; The data types and corresponding width information of the data contained in the dataset are determined. Based on the processing bandwidth of the accelerator card and the width information, the number of data items processed by the accelerator card in a single run is determined, and the dataset is grouped accordingly. Based on the first correspondence between data type, processing type and aggregated processing block, the target aggregated processing block is determined; For each group, the target aggregation processing block is invoked to aggregate the data in that group, resulting in a group aggregation result. Based on the aggregation results of each group and the processing type, the final aggregation result of the dataset is determined; Write the final aggregation result into the host memory; When invalid data exists in the dataset, the accelerator card obtains the identification information corresponding to the invalid data, determines the target filling data based on the second correspondence between data type, processing type and filling data, replaces the invalid data with the target filling data and then performs aggregation processing.

Images