Urban ecological protection and restoration effect evaluation method

By formulating an evaluation method for urban ecological protection and restoration results, including assessment base period, assessment index system and report generation, the problem of lack of systematic assessment in the existing technology has been solved, and a scientific and standardized assessment of urban ecological protection and restoration projects has been achieved to ensure that Accuracy and applicability of the assessment.

CN119313197AInactive Publication Date: 2025-01-14SHENZHEN ACAD OF ENVIRONMENTAL SCI

Patent Information

Application Number
CN202411874696.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-01-14
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing technology lacks a systematic evaluation method for urban ecological protection and restoration projects, and it is difficult to accurately measure the scientificity and standardization of the restoration effect and the evaluation report.

Method used

A method for assessing the effectiveness of urban ecological protection and restoration has been formulated, including determining the evaluation base period and evaluation period, establishing an evaluation index system for the implementation of ecological protection and restoration projects, calculating the effectiveness evaluation results through quantitative or qualitative evaluation, and generating an evaluation report covering ecological benefits, Maintaining indicators for social and economic benefits and effectiveness.

Benefits of technology

Provides a systematic evaluation method that can accurately characterize the effects of ecological protection and restoration, take into account the impact of the project on the structure, quality, function of the ecosystem and regional ecological risks, ensures the scientificity and standardization of the evaluation, and is suitable for different types of urban ecology. Protection and restoration project.

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Abstract

The invention relates to an urban ecological protection and restoration effect evaluation method. The evaluation method comprises the following steps: (1) determining an evaluation base period and an evaluation period according to the implementation progress condition of the ecological protection and restoration project, wherein the implementation progress condition refers to a corresponding state between the start time and the acceptance time of the ecological protection and restoration project; (2) establishing an ecological protection and restoration project implementation effect evaluation index system, and determining evaluation indexes; (3) performing quantitative or qualitative evaluation on each evaluation index, obtaining an evaluation value of each index, calculating an effect evaluation result, and performing grading according to the evaluation result to form an evaluation conclusion; and (4) generating an ecological protection and restoration project implementation effect evaluation report. In order to standardize the technical requirements of urban ecological protection and restoration project effect evaluation, the invention provides an ecological protection and restoration effect evaluation method conforming to urban reality, and evaluation principles, processes, indexes, a calculation method and an evaluation report are clarified.
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Description

Technical Field

[0001] The present invention belongs to the technical field of ecological environment restoration, and in particular relates to a method for evaluating the effectiveness of urban ecological protection and restoration. Background Art

[0002] Effectiveness evaluation is an important basis for evaluating the quality of ecological protection and restoration. Therefore, it is urgent to construct a technical method for evaluating the effectiveness of urban ecological protection and restoration. Summary of the invention

[0003] In view of the deficiencies in the above-mentioned prior art, in order to standardize the technical requirements for the effectiveness evaluation of urban ecological protection and restoration projects, and to clarify the evaluation principles, processes, indicators and calculation methods, and evaluation reports, the present invention provides an ecological protection and restoration effectiveness evaluation method that conforms to urban actual conditions.

[0004] The technical solution of the present invention is a method for evaluating the effectiveness of urban ecological protection and restoration, which is special in that it includes the following steps: (1) The assessment base period and assessment period shall be determined according to the progress of the implementation of the ecological protection and restoration project. The implementation progress refers to the corresponding status between the start time and the acceptance time of the ecological protection and restoration project; (2) Establish an evaluation index system for the implementation of ecological protection and restoration projects and determine the evaluation indicators; ⑶ Carry out quantitative or qualitative evaluation of each evaluation indicator, obtain the evaluation value of each indicator, calculate the effectiveness evaluation results, classify them according to the evaluation results, and form an evaluation conclusion; (⑷) Generate an evaluation report on the implementation of ecological protection and restoration projects.

[0005] Preferably: the evaluation base period described in step (1) refers to the year before the implementation of the ecological protection and restoration project or the benchmark year, which serves as the initial time for comparison with the various evaluation indicators of the evaluation period; the evaluation period described in step (1) refers to the time for conducting the evaluation of the effectiveness of ecological protection and restoration.

[0006] As a preferred embodiment: the evaluation index system described in step (2) covers typical urban ecological protection and restoration types, and divides urban ecological protection and restoration projects into seven types: mine governance and restoration, forest quality improvement, ecological corridor connectivity, coastline improvement, coastal zone restoration, river and lake ecological restoration, and urban quality improvement; and selects reasonable and applicable evaluation indicators based on the type of ecological protection and restoration project.

[0007] As a preferred embodiment: the evaluation index system described in step (2) includes: Among them: m, n, and s are the number of third-level indicators selected from the three second-level indicators of ecological pattern, ecological quality, and ecological function.

[0008] Preferably, the acquisition of the three-level indicator basic data includes: .

[0009] Preferably: the evaluation indicators in step (2) include ecological benefit indicators, socio-economic benefit indicators and effectiveness maintenance indicators; wherein the ecological benefit indicators include ecological pattern indicators, ecological quality indicators, ecological function indicators and ecological risk / threat indicators.

[0010] Preferably, the ecological pattern evaluation factors include the area of ​​important ecosystems, ecological connectivity, the proportion of river and lake ecological shorelines, and the natural shoreline retention rate; Area of ​​important ecosystems: points are assigned based on the growth of the area of ​​important ecosystems with ecological attributes, such as forests, shrubs, grasslands, wetlands, and typical marine ecosystems in the assessment area, and are represented by P1; Growth rate of important ecosystem area = (important ecosystem area during the assessment period - important ecosystem area during the assessment base period) / important ecosystem area during the assessment base period × 100%; If the growth rate of the area of ​​important ecosystems is ≥ 0.5%, P1 points will be awarded; if 0 < growth rate < 0.5%, the score will be calculated as 0.6 P1 + 0.4 P1 × growth rate / 0.5%; if -0.05% ≤ growth rate ≤ 0, 0.6 P1 points will be awarded; if the growth rate is < -0.05%, no points will be awarded; Ecological connectivity: points are assigned based on the improvement of the overall connectivity of the ecosystem in the assessment area, represented by P2; Ecological connectivity improvement rate = (ecological connectivity index during the assessment period - ecological connectivity index during the assessment base period) / ecological connectivity index during the assessment base period × 100%; If the ecological connectivity improvement rate is ≥ 0.5%, P2 points will be awarded; if 0 < improvement rate < 0.5%, the score will be calculated as 0.6 P2 + 0.4 P2 × improvement rate / 0.5%; if -0.05% ≤ improvement rate ≤ 0, 0.6 P2 points will be awarded; if the growth rate is < -0.05%, no points will be awarded; Proportion of ecological shoreline of rivers and lakes: points are assigned based on the growth of the ecological shoreline proportion of rivers and lakes in the assessment area, represented by P3: Growth rate of river and lake ecological shoreline ratio = (river and lake ecological shoreline ratio during the assessment period - river and lake ecological shoreline ratio during the assessment base period) / river and lake ecological shoreline ratio during the assessment base period × 100%; If the growth rate of the ecological shoreline ratio of rivers and lakes is ≥ 0.5%, P3 points will be awarded; if 0 < growth rate < 0.5%, the score will be calculated as 0.6 P3 + 0.4 P3 × growth rate / 0.5%; if -0.05% ≤ growth rate ≤ 0, 0.6 P3 points will be awarded; if the growth rate < -0.05%, no points will be awarded; Natural coastline retention rate: points are assigned based on the growth of the natural coastline retention rate in the assessment area, represented by P4: Natural coastline retention rate growth rate = (natural coastline retention rate in the assessment period - natural coastline retention rate in the assessment base period) / natural coastline retention rate in the assessment base period × 100%; If the growth rate of natural shoreline retention rate is ≥0.5%, P4 points will be awarded; if 0≤growth rate≤0.5%, the score will be calculated as 0.6 P4+0.4 P4×growth rate / 0.5%; if -0.05%≤growth rate≤0, 0.6 P4 points will be awarded; if the growth rate is <-0.05%, no points will be awarded.

[0011] As a preference: the ecological quality evaluation factors include vegetation coverage, total primary productivity, and environmental quality; Vegetation coverage: points are assigned based on the average vegetation coverage of forests, shrubs, grasslands, wetlands, and shoreline vegetation areas in the assessment area during the growing season, represented by Q1: Vegetation coverage improvement rate = (average value of growing season in the assessment period - average value of growing season in the assessment base period) / average value of growing season in the assessment base period × 100%; If the vegetation coverage improvement rate is ≥5%, Q1 points will be awarded; if 0 < improvement rate < 5%, the score will be calculated as 0.6 Q1 + 0.4 Q1 × improvement rate / 5%; if -0.05% ≤ improvement rate ≤ 0, 0.6 Q1 points will be awarded; if the improvement rate is < -0.05%, no points will be awarded; Total primary productivity: points are assigned based on the improvement of total primary productivity in the vegetation coverage area within the assessment area, represented by Q2: Total primary productivity improvement rate = (total primary productivity during the assessment period - total primary productivity during the assessment base period) / total primary productivity during the assessment base period × 100%; If the total primary productivity improvement rate is ≥5%, Q2 points will be awarded; if 0 < improvement rate < 5%, the score will be calculated as 0.6 Q2 + 0.4 Q2 × improvement rate / 5%; if -0.05% ≤ improvement rate ≤ 0, 0.6 Q2 points will be awarded; if the improvement rate is < -0.05%, no points will be awarded; Environmental quality: points are assigned based on the improvement of the main environmental problem elements or the maintenance of environmental quality in the assessment area, represented by Q3: Based on the environmental problems of water, air and soil that are clearly existing in the region, combined with the objectives and requirements of the implementation of ecological protection and restoration, the regional environmental quality, including the rate of compliance with water quality standards, the rate of compliance with air quality standards, and the rate of compliance with soil quality standards, is scored; Environmental Quality Index Rating Table The water quality compliance rate is the proportion of water quality categories in rivers or sections in the assessment area that meet the assessment targets, including those that are not included in the assessment targets, which should meet or exceed the regional water environment functional zoning targets; the air quality compliance rate is the proportion of air quality in the assessment area that meets or exceeds the air quality functional zoning targets in the jurisdiction; the soil quality compliance rate is the proportion of monitoring indicators of soil quality monitoring points in the assessment area that do not exceed the pollution risk control standard values ​​of land use types.

[0012] As a preference: the ecological function evaluation factors include biodiversity, water conservation, soil preservation, carbon dioxide fixation, and other ecological functions; Biodiversity: Terrestrial biodiversity is scored based on the richness of biological groups in the assessment area; marine biodiversity is scored based on the improvement of important marine biodiversity maintenance functions in the assessment area; represented by S1: Biodiversity improvement rate = (biodiversity during the assessment period - biodiversity during the assessment base period) / biodiversity during the assessment base period × 100%; If the biodiversity improvement rate is ≥5%, S1 points will be awarded; if 0 < improvement rate < 5%, the score will be calculated as 0.6 S1 + 0.4 S1 × improvement rate / 5%; if -0.05% ≤ improvement rate ≤ 0, 0.6 S1 points will be awarded; if improvement rate < -0.05%, no points will be awarded; Water conservation: points are assigned based on the growth of water conservation in the assessment area; represented by S2: Growth rate of water conservation amount = (water conservation amount in the assessment period - water conservation amount in the assessment base period) / water conservation amount in the assessment base period × 100%; If the growth rate of water conservation is ≥5%, S2 points will be awarded; if 0≤growth rate≤5%, the score will be calculated as 0.6 S2+0.4 S2×growth rate / 5%; if -0.05%≤growth rate≤0, 0.6 S2 points will be awarded; if the growth rate is ≤-0.05%, no points will be awarded; Soil conservation: points are assigned based on the increase in the amount of soil conservation in the assessment area, represented by S3: Growth rate of retained soil volume = (retained soil volume during the assessment period - retained soil volume during the assessment base period) / retained soil volume during the assessment base period × 100%; Keep the soil volume growth rate ≥5%, get S3 points; 0≤growth rate≤5%, calculate the score as 0.6 S3+0.4 S3×growth rate / 5%; -0.05%≤growth rate≤0, get 0.6 S3 points; growth rate≤-0.05%, no points; Fixed carbon dioxide: points are assigned based on the growth of fixed carbon dioxide in the assessment area, represented by S4: Fixed carbon dioxide growth rate = (fixed carbon dioxide in the assessment period - fixed carbon dioxide in the assessment base period) / fixed carbon dioxide in the assessment base period × 100%; If the growth rate of fixed carbon dioxide is ≥5%, S4 points will be awarded; if 0≤growth rate≤5%, the score will be calculated as 0.6 S4+0.4 S4×growth rate / 5%; if -0.05%≤growth rate≤0, 0.6 S4 points will be awarded; if the growth rate is ≤-0.05%, no points will be awarded; Other ecological functions: points are assigned based on the growth of other ecological functions in the assessment area, including flood reduction, water purification, air purification, climate regulation, and coastal protection. i express: Growth rate of other ecological functions = (other ecological functions in the assessment period - other ecological functions in the assessment base period) / other ecological functions in the assessment base period × 100%; If the growth rate of other ecological functions is ≥5%, S i points; 0 ﹤ growth rate ﹤ 5%, according to 0.6 S i +0.4 S i × Growth rate / 5% to calculate the score; -0.05%≤Growth rate≤0, 0.6 S i points; if the growth rate is less than -0.05%, no points will be awarded.

[0013] As a preferred embodiment: the ecological risk / stress evaluation factor is expressed as ecological risk / stress; ecological risk / stress is scored according to the natural or man-made ecological risk conditions existing in the ecological protection and restoration area during the assessment period; natural factors account for 5 points, including rodent damage, pests and diseases, storm surges, red tides, and soil erosion and invasion of alien species caused by natural factors; man-made factors account for 5 points, including engineering construction, illegal breeding, illegal fishing, environmental pollution, and soil erosion and invasion of alien species caused by man-made factors; If there is no ecological risk of natural factors in the ecological protection and restoration area during the assessment period, 5 points will be awarded; if there is ecological risk of natural factors in the ecological protection and restoration area during the assessment period, 0 to 4 points will be awarded according to the number and severity of risk points; During the assessment period, there are no ecological risks caused by human factors in the ecological protection and restoration area, and 0 to 4 points are assigned according to the number and severity of risk points.

[0014] Preferably, the social and economic benefit indicators include direct social and economic benefit indicators and indirect social and economic benefit indicators.

[0015] Preferably, the effectiveness maintenance indicators include tracking monitoring indicators and post-maintenance indicators; Follow-up monitoring: points will be awarded based on the follow-up monitoring of the ecological environment after the acceptance of the ecological protection and restoration project; If the monitoring points are reasonably arranged, the monitoring indicators are scientific, and the monitoring data are complete, 5 points will be awarded; if follow-up monitoring is carried out but the preset requirements are not met, 1 to 4 points will be awarded. The preset requirements refer to the reasonable arrangement of monitoring points, scientific monitoring indicators, and complete monitoring data; if the assessment area has reached a stable natural growth state, follow-up monitoring is no longer required and this indicator will be awarded full marks; For post-maintenance, points will be awarded based on the post-maintenance of the ecosystem after the acceptance of the ecological protection and restoration project; 5 points will be awarded if a maintenance mechanism is established, the environmental protection infrastructure operates normally, and the vegetation survival rate is not less than 90%; 1 to 4 points will be awarded if a maintenance mechanism is established, the environmental protection infrastructure operates normally, and the vegetation survival rate is not less than 75%; no points will be awarded if no maintenance mechanism is established or the environmental protection infrastructure operates abnormally, or the vegetation survival rate is less than 75%; if the assessment area has reached a stable natural growth state, post-maintenance will no longer be carried out and this indicator will get full marks.

[0016] As a preferred embodiment: the quantitative or qualitative evaluation of each indicator in step (3) to obtain the evaluation value of each indicator includes data collection, field research, investigation and monitoring, collecting basic information and data required for the evaluation, establishing an evaluation data set, and obtaining the basis and data for the indicator evaluation; The evaluation results described in step (3) are graded and the Ecological Protection and Restoration Effectiveness Index (ERI) is calculated based on the evaluation scores of various indicators. The calculation formula is as follows: Where, ERI – Ecological Protection and Restoration Effectiveness Index; ERI i ——The score of the i-th indicator of ecological protection and restoration effectiveness; i——index number; n – number of indicators; According to the evaluation and calculation results of the ecological protection and restoration effectiveness index, the effectiveness levels are divided into excellent, good, qualified and unqualified: Ecological protection and restoration effectiveness classification table .

[0017] As a preferred embodiment: the calculation of the evaluation index in step (2) is based on a percentage system. The ecological benefits are 70 points, including: 20 points for ecological pattern, 20 points for ecological quality, 20 points for ecological function, and 10 points for ecological risk / threat; Socio-economic benefits: 20 points; Effectiveness maintenance is worth 10 points, including 5 points for follow-up monitoring and 5 points for post-maintenance.

[0018] As a preferred embodiment: Step (4) of the implementation effectiveness evaluation report of the ecological protection and restoration project includes: Basic situation: Overview of the scope, implementation objectives, and organization and implementation of ecological protection and restoration; Effectiveness evaluation: According to the project type, select the corresponding evaluation indicators and methods, set reasonable indicator weights, and determine the effectiveness evaluation indicator system; evaluate the scores of various indicators, form an ecological protection and restoration effectiveness evaluation score table, and clarify the effectiveness level of the evaluation cycle; based on the evaluation results, explain the evaluation conclusions of the ecological protection and restoration effectiveness evaluation work; Main achievements and existing problems: Based on the evaluation results, analyze the main achievements and existing problems of ecological protection and restoration implementation; Related suggestions: Based on the assessment results and problems found in the assessment, put forward opinions and suggestions on the implementation and management of ecological protection and restoration; Prepare an evaluation report on the implementation of ecological protection and restoration projects.

[0019] Compared with the prior art, the present invention has the following beneficial effects: ⑴ This invention is based on the construction goals and characteristics of urban ecological protection and restoration projects. The technical requirements of national land space ecological protection and restoration are fully considered when selecting evaluation indicators. The constructed indicator system can accurately characterize the ecological protection and restoration effects.

[0020] ⑵The present invention follows the principle of ecological protection and restoration with ecological benefits as the core, evaluates the impact of ecological restoration on the structure, quality, function of the ecosystem, and regional ecological risks, while taking into account the characteristics of the urban ecosystem and the social and economic benefits and maintenance of the results after the completion of the project. The evaluation content is systematic and comprehensive, and it is a comprehensive evaluation of the ecological protection and restoration project.

[0021] ⑶ The present invention innovatively adopts the method of "classification first, then selection of indicators". First, the urban ecological protection and restoration projects are divided into 7 types. When conducting effectiveness evaluation, reasonable evaluation indicators are selected according to the actual project, so that the evaluation indicator system is targeted and applicable.

[0022] (4) Most of the evaluation index calculation methods of the present invention give priority to the evaluation methods in the published relevant technical standards to ensure the standardization of the evaluation methods and the scientific nature of the evaluation results. Some evaluation indicators insist on easy operation and easy access, and adopt a combination of quantitative and qualitative calculation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a flow chart of the ecological protection and restoration effectiveness evaluation method of the present invention. DETAILED DESCRIPTION

[0024] The present invention will be further described in detail below in conjunction with embodiments: To facilitate the understanding of this technical solution, the relevant terms and definitions are as follows: The effectiveness of urban ecological protection and restoration refers to the effects of ecological protection and restoration projects within the city in optimizing ecosystem structure, improving ecosystem quality, enhancing ecosystem regulation and service functions, eliminating ecological risks / threats, and bringing social and economic benefits. Ecological benefits refer to the improvement of the ecological system in the area where the ecological protection and restoration project is carried out, including ecological structure, ecological quality, ecological function (or ecological value) and ecological risk / threat; Ecological structure refers to the spatial arrangement and combination of various different ecosystems, including the area of ​​important ecosystems, ecological connectivity, the proportion of river and lake ecological coastlines, and the retention rate of natural coastlines.

[0025] Ecological quality refers to the quality status of an ecosystem within a specific time and space range, including vegetation cover (or coverage / canopy closure), gross primary productivity (or net primary productivity), leaf area index, environmental quality, etc.

[0026] Ecological functions refer to the regulating service functions of ecosystems (or the value of regulating service functions of ecosystems), including biodiversity, water conservation, soil maintenance, carbon dioxide fixation, flood reduction, water purification, air purification, climate regulation, and coastal protection.

[0027] Ecological risk / threat refers to the degradation of natural ecosystems due to natural or human factors and the resulting adverse ecological and environmental effects, including rodent damage, pests and diseases, invasive alien species, soil erosion, illegal breeding, environmental pollution, etc.

[0028] Socio-economic benefits refer to the direct or indirect socio-economic benefits brought about by the implementation of the project to the area where the ecological protection and restoration is located.

[0029] Effectiveness maintenance refers to the effectiveness maintenance of the ecological protection and restoration area after the project is completed and accepted, including follow-up monitoring and post-management.

[0030] The assessment area refers to the implementation area of ​​the ecological protection and restoration project or its main impact area.

[0031] See also Figure 1 As shown in the figure, the urban ecological protection and restoration effectiveness evaluation method includes the following steps: (1) The assessment base period and assessment period shall be determined according to the progress of the implementation of the ecological protection and restoration project. The implementation progress refers to the corresponding status between the start time and the acceptance time of the ecological protection and restoration project; The evaluation base period mentioned in step (1) refers to the year before the implementation of the ecological protection and restoration project or the base year, which is used as the initial time for comparison with the various evaluation indicators of the evaluation period; the evaluation period mentioned in step (1) refers to the time for carrying out the evaluation of the effectiveness of ecological protection and restoration; (2) Establish an evaluation index system for the implementation of ecological protection and restoration projects and determine the evaluation indicators; The evaluation index system described in step (2) covers typical urban ecological protection and restoration types, and divides urban ecological protection and restoration projects into seven types: mine governance and restoration, forest quality improvement, ecological corridor connectivity, coastline management, coastal zone restoration, river and lake ecological restoration, and urban quality improvement; and selects reasonable and applicable evaluation indicators based on the types of ecological protection and restoration projects; The evaluation index system described in step (2) includes: Among them: m, n, and s are the number of third-level indicators selected from the three second-level indicators of ecological pattern, ecological quality, and ecological function.

[0032] The acquisition of the basic data of the third-level indicators includes: .

[0033] Step (2) The evaluation indicators include ecological benefit indicators, social and economic benefit indicators and effectiveness maintenance indicators; wherein the ecological benefit indicators include ecological pattern indicators, ecological quality indicators, ecological function indicators, and ecological risk / threat indicators; The ecological pattern evaluation factors include the area of ​​important ecosystems, ecological connectivity, the proportion of river and lake ecological shorelines, and the natural shoreline retention rate; Area of ​​important ecosystems: points are assigned based on the growth of the area of ​​important ecosystems with ecological attributes, such as forests, shrubs, grasslands, wetlands, and typical marine ecosystems in the assessment area, and are represented by P1; Growth rate of important ecosystem area = (important ecosystem area during the assessment period - important ecosystem area during the assessment base period) / important ecosystem area during the assessment base period × 100%; If the growth rate of the area of ​​important ecosystems is ≥ 0.5%, P1 points will be awarded; if 0 < growth rate < 0.5%, the score will be calculated as 0.6 P1 + 0.4 P1 × growth rate / 0.5%; if -0.05% ≤ growth rate ≤ 0, 0.6 P1 points will be awarded; if the growth rate is < -0.05%, no points will be awarded; Ecological connectivity: points are assigned based on the improvement of the overall connectivity of the ecosystem in the assessment area, represented by P2; Ecological connectivity improvement rate = (ecological connectivity index during the assessment period - ecological connectivity index during the assessment base period) / ecological connectivity index during the assessment base period × 100%; If the ecological connectivity improvement rate is ≥ 0.5%, P2 points will be awarded; if 0 < improvement rate < 0.5%, the score will be calculated as 0.6 P2 + 0.4 P2 × improvement rate / 0.5%; if -0.05% ≤ improvement rate ≤ 0, 0.6 P2 points will be awarded; if the growth rate is < -0.05%, no points will be awarded; Proportion of ecological shoreline of rivers and lakes: points are assigned based on the growth of the ecological shoreline proportion of rivers and lakes in the assessment area, represented by P3: Growth rate of river and lake ecological shoreline ratio = (river and lake ecological shoreline ratio during the assessment period - river and lake ecological shoreline ratio during the assessment base period) / river and lake ecological shoreline ratio during the assessment base period × 100%; If the growth rate of the ecological shoreline ratio of rivers and lakes is ≥ 0.5%, P3 points will be awarded; if 0 < growth rate < 0.5%, the score will be calculated as 0.6 P3 + 0.4 P3 × growth rate / 0.5%; if -0.05% ≤ growth rate ≤ 0, 0.6 P3 points will be awarded; if the growth rate < -0.05%, no points will be awarded; Natural coastline retention rate: points are assigned based on the growth of the natural coastline retention rate in the assessment area, represented by P4: Natural coastline retention rate growth rate = (natural coastline retention rate in the assessment period - natural coastline retention rate in the assessment base period) / natural coastline retention rate in the assessment base period × 100%; If the growth rate of natural shoreline retention rate is ≥ 0.5%, P4 points will be awarded; if 0 < growth rate < 0.5%, the score will be calculated as 0.6 P4 + 0.4 P4 × growth rate / 0.5%; if -0.05% ≤ growth rate ≤ 0, 0.6 P4 points will be awarded; if the growth rate is < -0.05%, no points will be awarded; The ecological quality evaluation factors include vegetation coverage, total primary productivity, and environmental quality; Vegetation coverage: points are assigned based on the average vegetation coverage of forests, shrubs, grasslands, wetlands, and shores in the assessment area during the growing season, represented by Q1: Vegetation coverage improvement rate = (average value of growing season in the assessment period - average value of growing season in the assessment base period) / average value of growing season in the assessment base period × 100%; If the vegetation coverage improvement rate is ≥5%, Q1 points will be awarded; if 0 < improvement rate < 5%, the score will be calculated as 0.6 Q1 + 0.4 Q1 × improvement rate / 5%; if -0.05% ≤ improvement rate ≤ 0, 0.6 Q1 points will be awarded; if the improvement rate is < -0.05%, no points will be awarded; Total primary productivity: points are assigned based on the improvement of total primary productivity in the vegetation coverage area within the assessment area, represented by Q2: Total primary productivity improvement rate = (total primary productivity during the assessment period - total primary productivity during the assessment base period) / total primary productivity during the assessment base period × 100%; If the total primary productivity improvement rate is ≥5%, Q2 points will be awarded; if 0 < improvement rate < 5%, the score will be calculated as 0.6 Q2 + 0.4 Q2 × improvement rate / 5%; if -0.05% ≤ improvement rate ≤ 0, 0.6 Q2 points will be awarded; if the improvement rate is < -0.05%, no points will be awarded; Environmental quality: points are assigned based on the improvement of the main environmental problem elements or the maintenance of environmental quality in the assessment area, represented by Q3: Based on the environmental problems of water, air and soil that are clearly existing in the region, combined with the objectives and requirements of the implementation of ecological protection and restoration, the regional environmental quality, including the rate of compliance with water quality standards, the rate of compliance with air quality standards, and the rate of compliance with soil quality standards, is scored; Environmental Quality Index Rating Table The water quality compliance rate is the proportion of water quality categories in rivers or sections in the assessment area that meet the assessment targets, including those that are not included in the assessment targets, which should meet or exceed the regional water environment functional zoning targets; the air quality compliance rate is the proportion of air quality in the assessment area that meets or exceeds the air quality functional zoning targets in the jurisdiction; the soil quality compliance rate is the proportion of monitoring indicators of soil quality monitoring points in the assessment area that do not exceed the pollution risk control standard values ​​of land use types.

[0034] The ecological function evaluation factors include biodiversity, water conservation, soil preservation, carbon dioxide fixation, and other ecological functions; Biodiversity: Terrestrial biodiversity is scored based on the richness of biological groups in the assessment area; marine biodiversity is scored based on the improvement of important marine biodiversity maintenance functions in the assessment area; represented by S1: Biodiversity improvement rate = (biodiversity during the assessment period - biodiversity during the assessment base period) / biodiversity during the assessment base period × 100%; If the biodiversity improvement rate is ≥5%, S1 points will be awarded; if 0 < improvement rate < 5%, the score will be calculated as 0.6 S1 + 0.4 S1 × improvement rate / 5%; if -0.05% ≤ improvement rate ≤ 0, 0.6 S1 points will be awarded; if improvement rate < -0.05%, no points will be awarded; Water conservation: points are assigned based on the growth of water conservation in the assessment area; represented by S2: Growth rate of water conservation amount = (water conservation amount in the assessment period - water conservation amount in the assessment base period) / water conservation amount in the assessment base period × 100%; If the growth rate of water conservation is ≥5%, S2 points will be awarded; if 0≤growth rate≤5%, the score will be calculated as 0.6 S2+0.4 S2×growth rate / 5%; if -0.05%≤growth rate≤0, 0.6 S2 points will be awarded; if the growth rate is ≤-0.05%, no points will be awarded; Soil conservation: points are assigned based on the increase in the amount of soil conservation in the assessment area, represented by S3: Growth rate of retained soil volume = (retained soil volume during the assessment period - retained soil volume during the assessment base period) / retained soil volume during the assessment base period × 100%; Keep the soil volume growth rate ≥5%, get S3 points; 0≤growth rate≤5%, calculate the score as 0.6 S3+0.4 S3×growth rate / 5%; -0.05%≤growth rate≤0, get 0.6 S3 points; growth rate≤-0.05%, no points; Fixed carbon dioxide: points are assigned based on the growth of fixed carbon dioxide in the assessment area, represented by S4: Fixed carbon dioxide growth rate = (fixed carbon dioxide in the assessment period - fixed carbon dioxide in the assessment base period) / fixed carbon dioxide in the assessment base period × 100%; If the growth rate of fixed carbon dioxide is ≥5%, S4 points will be awarded; if 0≤growth rate≤5%, the score will be calculated as 0.6 S4+0.4 S4×growth rate / 5%; if -0.05%≤growth rate≤0, 0.6 S4 points will be awarded; if the growth rate is ≤-0.05%, no points will be awarded; Other ecological functions: points are assigned based on the growth of other ecological functions in the assessment area, including flood reduction, water purification, air purification, climate regulation, and coastal protection. i express: Growth rate of other ecological functions = (other ecological functions in the assessment period - other ecological functions in the assessment base period) / other ecological functions in the assessment base period × 100%; If the growth rate of other ecological functions is ≥5%, S i points; 0 ﹤ growth rate ﹤ 5%, according to 0.6 S i +0.4 S i × Growth rate / 5% to calculate the score; -0.05%≤Growth rate≤0, 0.6 S i points; if the growth rate is less than -0.05%, no points will be awarded.

[0035] The ecological risk / stress evaluation factor is expressed as ecological risk / stress; ecological risk / stress is scored according to the natural or man-made ecological risks existing in the ecological protection and restoration area during the assessment period; natural factors account for 5 points, including rodent damage, pests and diseases, storm surges, red tides, and soil erosion and invasion of alien species caused by natural factors; man-made factors account for 5 points, including engineering construction, illegal breeding, illegal fishing, environmental pollution, and soil erosion and invasion of alien species caused by man-made factors; If there is no ecological risk of natural factors in the ecological protection and restoration area during the assessment period, 5 points will be awarded; if there is ecological risk of natural factors in the ecological protection and restoration area during the assessment period, 0 to 4 points will be awarded according to the number and severity of risk points; If there is no ecological risk caused by human factors in the ecological protection and restoration area during the assessment period, 5 points will be awarded; if there is ecological risk caused by human factors in the ecological protection and restoration area during the assessment period, 0 to 4 points will be awarded according to the number and severity of risk points.

[0036] The social and economic benefit indicators include direct social and economic benefit indicators and indirect social and economic benefit indicators.

[0037] The effectiveness maintenance indicators include tracking monitoring indicators and post-management indicators; Follow-up monitoring: points will be awarded based on the follow-up monitoring of the ecological environment after the acceptance of the ecological protection and restoration project; If the monitoring points are reasonably arranged, the monitoring indicators are scientific, and the monitoring data are complete, 5 points will be awarded; if follow-up monitoring is carried out but the preset requirements are not met, 1 to 4 points will be awarded. The preset requirements refer to the reasonable arrangement of monitoring points, scientific monitoring indicators, and complete monitoring data; if relevant monitoring work is not carried out, no points will be awarded; if the assessment area has reached a stable natural growth state, follow-up monitoring is no longer required, and this indicator will be awarded full marks; For post-maintenance, points will be awarded based on the post-maintenance of the ecosystem after the acceptance of the ecological protection and restoration project; 5 points will be awarded if a maintenance mechanism is established, the environmental protection infrastructure operates normally, and the vegetation survival rate is not less than 90%; 1 to 4 points will be awarded if a maintenance mechanism is established, the environmental protection infrastructure operates normally, and the vegetation survival rate is not less than 75%; no points will be awarded if no maintenance mechanism is established or the environmental protection infrastructure operates abnormally, or the vegetation survival rate is less than 75%; if the assessment area has reached a stable natural growth state, post-maintenance will no longer be carried out and this indicator will get full marks.

[0038] ⑶ Carry out quantitative or qualitative evaluation of each evaluation indicator, obtain the evaluation value of each indicator, calculate the effectiveness evaluation results, classify them according to the evaluation results, and form an evaluation conclusion; Step (3) of quantitatively or qualitatively evaluating each indicator and obtaining the evaluation value of each indicator includes data collection, field research, investigation and monitoring, collecting basic information and data required for the evaluation, establishing an evaluation data set, and obtaining the basis and data for the indicator evaluation; The evaluation results described in step (3) are graded and the Ecological Protection and Restoration Effectiveness Index (ERI) is calculated based on the evaluation scores of various indicators. The calculation formula is as follows: Where, ERI – Ecological Protection and Restoration Effectiveness Index; ERI i ——The score of the i-th indicator of ecological protection and restoration effectiveness; i——index number; n – number of indicators; According to the evaluation and calculation results of the ecological protection and restoration effectiveness index, the effectiveness levels are divided into excellent, good, qualified and unqualified: Ecological protection and restoration effectiveness classification table .

[0039] The evaluation indicators are calculated on a percentage basis. The ecological benefits are 70 points, including: 20 points for ecological pattern, 20 points for ecological quality, 20 points for ecological function, and 10 points for ecological risk / threat; The social and economic benefits mentioned are 20 points; The above-mentioned effectiveness maintenance is worth 10 points, including 5 points for follow-up monitoring and 5 points for post-maintenance.

[0040] (4) Generate an evaluation report on the implementation of ecological protection and restoration projects: Step (4) The effectiveness evaluation report on the implementation of the ecological protection and restoration project includes: Basic situation: Overview of the scope, implementation objectives, and organization and implementation of ecological protection and restoration; Effectiveness evaluation: According to the project type, select the corresponding evaluation indicators and methods, determine the indicator weights, and determine the effectiveness evaluation indicator system; evaluate the scores of various indicators, form an ecological protection and restoration effectiveness evaluation score table, and clarify the effectiveness level of the evaluation cycle; based on the evaluation results, explain the evaluation conclusions of the ecological protection and restoration effectiveness evaluation work; Main achievements and existing problems: Based on the evaluation results, analyze the main achievements and existing problems of ecological protection and restoration implementation; Related suggestions: Based on the assessment results and problems found in the assessment, put forward opinions and suggestions on the implementation and management of ecological protection and restoration; Prepare an evaluation report on the implementation of ecological protection and restoration projects.

[0041] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should fall within the scope of the claims of the present invention.

Claims

1. A method for evaluating the effectiveness of urban ecological protection and restoration, characterized in that: The following steps are involved: (1) The assessment base period and assessment period shall be determined according to the progress of the implementation of the ecological protection and restoration project. The implementation progress refers to the corresponding status between the start time and the acceptance time of the ecological protection and restoration project; (2) Establish an evaluation index system for the implementation of ecological protection and restoration projects and determine the evaluation indicators; ⑶ Carry out quantitative or qualitative evaluation of each evaluation indicator, obtain the evaluation value of each indicator, calculate the effectiveness evaluation results, classify them according to the evaluation results, and form an evaluation conclusion; (⑷) Generate an evaluation report on the implementation of ecological protection and restoration projects.

2. The method for evaluating the effectiveness of urban ecological protection and restoration according to claim 1 is characterized in that: The assessment base period mentioned in step ⑴ refers to the year before the implementation of the ecological protection and restoration project or the benchmark year, which serves as the initial time for comparison with the various assessment indicators of the assessment period; the assessment period mentioned in step ⑴ refers to the time for conducting the assessment of the effectiveness of ecological protection and restoration.

3. The method for evaluating the effectiveness of urban ecological protection and restoration according to claim 1 is characterized in that: The evaluation index system described in step (2) covers typical urban ecological protection and restoration types, and divides urban ecological protection and restoration projects into seven types: mine governance and restoration, forest quality improvement, ecological corridor connectivity, coastline management, coastal zone restoration, river and lake ecological restoration, and urban quality improvement; And select reasonable and applicable evaluation indicators according to the type of ecological protection and restoration project.

4. The method for evaluating the effectiveness of urban ecological protection and restoration according to claim 1 is characterized in that: The evaluation index system described in step (2) includes: Among them: m, n, and s are the number of third-level indicators selected from the three second-level indicators of ecological pattern, ecological quality, and ecological function.

5. The method for evaluating the effectiveness of urban ecological protection and restoration according to claim 4 is characterized in that: The acquisition of the basic data of the third-level indicators includes: 。 6. The method for evaluating the effectiveness of urban ecological protection and restoration according to claim 1 is characterized in that: The evaluation indicators in step (2) include ecological benefit indicators, socio-economic benefit indicators and effectiveness maintenance indicators; wherein the ecological benefit indicators include ecological pattern indicators, ecological quality indicators, ecological function indicators and ecological risk / threat indicators.

7. The method for evaluating the effectiveness of urban ecological protection and restoration according to claim 6 is characterized in that: The ecological pattern evaluation factors include the area of ​​important ecosystems, ecological connectivity, the proportion of river and lake ecological shorelines, and the natural shoreline retention rate; Area of ​​important ecosystems: points are assigned based on the growth of the area of ​​important ecosystems with ecological attributes, such as forests, shrubs, grasslands, wetlands, and typical marine ecosystems in the assessment area, and are represented by P1; Growth rate of important ecosystem area = (important ecosystem area during the assessment period - important ecosystem area during the assessment base period) / important ecosystem area during the assessment base period × 100%; If the growth rate of the area of ​​important ecosystems is ≥ 0.5%, P1 points will be awarded; if 0 < growth rate < 0.5%, the score will be calculated as 0.6 P1 + 0.4 P1 × growth rate / 0.5%; -0.05%≤growth rate≤0, 0.6 P1 points; growth rate ﹤-0.05%, no points; Ecological connectivity: points are assigned based on the improvement of the overall connectivity of the ecosystem in the assessment area, represented by P2; Ecological connectivity improvement rate = (ecological connectivity index during the assessment period - ecological connectivity index during the assessment base period) / ecological connectivity index during the assessment base period × 100%; If the ecological connectivity improvement rate is ≥ 0.5%, P2 points will be awarded; if 0 < improvement rate < 0.5%, the score will be calculated as 0.6 P2 + 0.4 P2 × improvement rate / 0.5%; -0.05%≤improvement rate≤0, 0.6 P2 points; growth rate≤-0.05%, no points; Proportion of ecological shoreline of rivers and lakes: points are assigned based on the growth of the ecological shoreline proportion of rivers and lakes in the assessment area, represented by P3: Growth rate of river and lake ecological shoreline ratio = (river and lake ecological shoreline ratio during the assessment period - river and lake ecological shoreline ratio during the assessment base period) / river and lake ecological shoreline ratio during the assessment base period × 100%; If the growth rate of the ecological shoreline ratio of rivers and lakes is ≥ 0.5%, P3 points will be awarded; if the growth rate is 0 < 0.5%, the score will be calculated as 0.6 P3 + 0.4 P3 × growth rate / 0.5%; -0.05%≤growth rate≤0, 0.6 P3 points; growth rate ﹤-0.05%, no points; Natural coastline retention rate: points are assigned based on the growth of the natural coastline retention rate in the assessment area, represented by P4: Natural coastline retention rate growth rate = (natural coastline retention rate in the assessment period - natural coastline retention rate in the assessment base period) / natural coastline retention rate in the assessment base period × 100%; If the growth rate of natural shoreline retention rate is ≥ 0.5%, P4 points will be awarded; if 0 < growth rate < 0.5%, the score will be calculated as 0.6 P4 + 0.4 P4 × growth rate / 0.5%; If the growth rate is -0.05%≤≤0, 0.6 P4 points will be awarded; if the growth rate is ﹤-0.05%, no points will be awarded.

8. The method for evaluating the effectiveness of urban ecological protection and restoration according to claim 6 is characterized in that: The ecological quality evaluation factors include vegetation coverage, total primary productivity, and environmental quality; Vegetation coverage: points are assigned based on the average vegetation coverage of forests, shrubs, grasslands, wetlands, and shoreline vegetation areas in the assessment area during the growing season, represented by Q1: Vegetation coverage improvement rate = (average value of growing season in the assessment period - average value of growing season in the assessment base period) / average value of growing season in the assessment base period × 100%; If the vegetation coverage improvement rate is ≥5%, Q1 points will be awarded; if 0 < improvement rate < 5%, the score will be calculated as 0.6 Q1 + 0.4 Q1 × improvement rate / 5%; if -0.05% ≤ improvement rate ≤ 0, 0.6 Q1 points will be awarded; if the improvement rate is < -0.05%, no points will be awarded; Total primary productivity: points are assigned based on the improvement of total primary productivity in the vegetation coverage area within the assessment area, represented by Q2: Total primary productivity improvement rate = (total primary productivity during the assessment period - total primary productivity during the assessment base period) / total primary productivity during the assessment base period × 100%; If the total primary productivity improvement rate is ≥5%, Q2 points will be awarded; if 0 < improvement rate < 5%, the score will be calculated as 0.6 Q2 + 0.4 Q2 × improvement rate / 5%; if -0.05% ≤ improvement rate ≤ 0, 0.6 Q2 points will be awarded; if the improvement rate is < -0.05%, no points will be awarded; Environmental quality: points are assigned based on the improvement of the main environmental problem elements or the maintenance of environmental quality in the assessment area, represented by Q3: Based on the environmental problems of water, air and soil that are clearly existing in the region, combined with the objectives and requirements of the implementation of ecological protection and restoration, the regional environmental quality, including the rate of compliance with water quality standards, the rate of compliance with air quality standards, and the rate of compliance with soil quality standards, is scored; Environmental Quality Index Rating Table The water quality compliance rate is the proportion of water quality categories in rivers or sections in the assessment area that meet the assessment targets, including those that are not included in the assessment targets, which should meet or exceed the regional water environment functional zoning targets; the air quality compliance rate is the proportion of air quality in the assessment area that meets or exceeds the air quality functional zoning targets in the jurisdiction; the soil quality compliance rate is the proportion of monitoring indicators of soil quality monitoring points in the assessment area that do not exceed the pollution risk control standard values ​​of land use types.

9. The method for evaluating the effectiveness of urban ecological protection and restoration according to claim 6 is characterized in that: The ecological function evaluation factors include biodiversity, water conservation, soil preservation, carbon dioxide fixation, and other ecological functions; Biodiversity: Terrestrial biodiversity is scored based on the richness of biological groups in the assessment area; marine biodiversity is scored based on the improvement of important marine biodiversity maintenance functions in the assessment area; represented by S1: Biodiversity improvement rate = (biodiversity during the assessment period - biodiversity during the assessment base period) / biodiversity during the assessment base period × 100%; If the biodiversity improvement rate is ≥5%, S1 points will be awarded; if 0 < improvement rate < 5%, the score will be calculated as 0.6 S1 + 0.4 S1 × improvement rate / 5%; if -0.05% ≤ improvement rate ≤ 0, 0.6 S1 points will be awarded; if improvement rate < -0.05%, no points will be awarded; Water conservation: points are assigned based on the growth of water conservation in the assessment area; represented by S2: Growth rate of water conservation amount = (water conservation amount in the assessment period - water conservation amount in the assessment base period) / water conservation amount in the assessment base period × 100%; If the growth rate of water conservation is ≥5%, S2 points will be awarded; if 0≤growth rate≤5%, the score will be calculated as 0.6 S2+0.4 S2×growth rate / 5%; if -0.05%≤growth rate≤0, 0.6 S2 points will be awarded; if the growth rate is ≤-0.05%, no points will be awarded; Soil conservation: points are assigned based on the increase in the amount of soil conservation in the assessment area, represented by S3: Growth rate of retained soil volume = (retained soil volume during the assessment period - retained soil volume during the assessment base period) / retained soil volume during the assessment base period × 100%; Keep the soil volume growth rate ≥5%, get S3 points; 0≤growth rate≤5%, calculate the score as 0.6 S3+0.4 S3×growth rate / 5%; -0.05%≤growth rate≤0, get 0.6 S3 points; growth rate≤-0.05%, no points; Fixed carbon dioxide: points are assigned based on the growth of fixed carbon dioxide in the assessment area, represented by S4: Fixed carbon dioxide growth rate = (fixed carbon dioxide in the assessment period - fixed carbon dioxide in the assessment base period) / fixed carbon dioxide in the assessment base period × 100%; If the growth rate of fixed carbon dioxide is ≥5%, S4 points will be awarded; if 0≤growth rate≤5%, the score will be calculated as 0.6 S4+0.4 S4×growth rate / 5%; if -0.05%≤growth rate≤0, 0.6 S4 points will be awarded; if the growth rate is ≤-0.05%, no points will be awarded; Other ecological functions: points are assigned based on the growth of other ecological functions in the assessment area, including flood reduction, water purification, air purification, climate regulation, and coastal protection. i express: Growth rate of other ecological functions = (other ecological functions in the assessment period - other ecological functions in the assessment base period) / other ecological functions in the assessment base period × 100%; If the growth rate of other ecological functions is ≥5%, S i points; 0 ﹤ growth rate ﹤ 5%, according to 0.6 S i +0.4 S i × Growth rate / 5% to calculate the score; -0.05%≤growth rate≤0, then 0.6 S i points; if the growth rate is less than -0.05%, no points will be awarded.

10. The method for evaluating the effectiveness of urban ecological protection and restoration according to claim 6 is characterized in that: The ecological risk / stress evaluation factor is expressed as ecological risk / stress; ecological risk / stress is scored according to the natural or man-made ecological risks existing in the ecological protection and restoration area during the assessment period; Natural factors account for 5 points, including rodent damage, pests and diseases, storm surges, red tides, as well as soil erosion and alien species invasion caused by natural factors; human factors account for 5 points, including engineering construction, illegal breeding, illegal fishing, environmental pollution, as well as soil erosion and alien species invasion caused by human factors; If there is no ecological risk of natural factors in the ecological protection and restoration area during the assessment period, 5 points will be awarded; if there is ecological risk of natural factors in the ecological protection and restoration area during the assessment period, 0 to 4 points will be awarded according to the number and severity of risk points; If there is no ecological risk caused by human factors in the ecological protection and restoration area during the assessment period, 5 points will be awarded; if there is ecological risk caused by human factors in the ecological protection and restoration area during the assessment period, 0 to 4 points will be awarded according to the number and severity of risk points.

11. The method for evaluating the effectiveness of urban ecological protection and restoration according to claim 6 is characterized in that: The social and economic benefit indicators include direct social and economic benefit indicators and indirect social and economic benefit indicators.

12. The method for evaluating the effectiveness of urban ecological protection and restoration according to claim 6 is characterized in that: The effectiveness maintenance indicators include tracking monitoring indicators and post-management indicators; Follow-up monitoring: points will be awarded based on the follow-up monitoring of the ecological environment after the acceptance of the ecological protection and restoration project; If the monitoring points are reasonably arranged, the monitoring indicators are scientific, and the monitoring data are complete, 5 points will be awarded; if follow-up monitoring is carried out but the preset requirements are not met, 1 to 4 points will be awarded. The preset requirements refer to the reasonable arrangement of monitoring points, scientific monitoring indicators, and complete monitoring data. If relevant monitoring work is not carried out, no points will be awarded; if the assessment area has reached a stable natural growth state, follow-up monitoring is no longer required and this indicator will be awarded full points; Post-management: points are awarded based on the post-management of the ecosystem after the ecological protection and restoration project is accepted; If a management and maintenance mechanism is established, the environmental protection infrastructure operates normally, and the vegetation survival rate is not less than 90%, 5 points will be awarded; if a management and maintenance mechanism is established, the environmental protection infrastructure operates normally, and the vegetation survival rate is not less than 75%, 1 to 4 points will be awarded; if no management and maintenance mechanism is established or the environmental protection infrastructure does not operate normally, or the vegetation survival rate is less than 75%, no points will be awarded; if the assessment area has reached a stable natural growth state, no subsequent management and maintenance will be carried out, and this indicator will get full marks.

13. The method for evaluating the effectiveness of urban ecological protection and restoration according to claim 1 is characterized in that: Step (3) of quantitatively or qualitatively evaluating each indicator and obtaining the evaluation value of each indicator includes data collection, field research, investigation and monitoring, collecting basic information and data required for the evaluation, establishing an evaluation data set, and obtaining the basis and data for the indicator evaluation; The evaluation results described in step (3) are graded and the Ecological Protection and Restoration Effectiveness Index (ERI) is calculated based on the evaluation scores of various indicators. The calculation formula is as follows: Where, ERI – Ecological Protection and Restoration Effectiveness Index; ERI i ——The score of the i-th indicator of ecological protection and restoration effectiveness; i——index number; n——number of indicators; According to the evaluation and calculation results of the ecological protection and restoration effectiveness index, the effectiveness levels are divided into excellent, good, qualified and unqualified: Ecological protection and restoration effectiveness classification table 。 14. The method for evaluating the effectiveness of urban ecological protection and restoration according to claim 1 is characterized in that: The evaluation index in step (2) is calculated on a percentage basis, with 70 points for ecological benefit, including 20 points for ecological pattern, 20 points for ecological quality, 20 points for ecological function, and 10 points for ecological risk / threat; Socio-economic benefits: 20 points; Effectiveness maintenance is worth 10 points, including 5 points for follow-up monitoring and 5 points for post-maintenance.

15. The method for evaluating the effectiveness of urban ecological protection and restoration according to claim 1 is characterized in that: Step (4) The effectiveness evaluation report on the implementation of the ecological protection and restoration project includes: Basic situation: Overview of the scope, implementation objectives, and organization and implementation of ecological protection and restoration; Effectiveness evaluation: According to the project type, select the corresponding evaluation indicators and methods, determine the indicator weights, and determine the effectiveness evaluation indicator system; Evaluate the scores of various indicators, form a score sheet for the effectiveness of ecological protection and restoration, and clarify the effectiveness level of the evaluation cycle; Based on the evaluation results, the conclusions of the evaluation work on the effectiveness of ecological protection and restoration are explained; Main achievements and existing problems: Based on the evaluation results, analyze the main achievements and existing problems of ecological protection and restoration implementation; Related suggestions: Based on the assessment results and problems found in the assessment, put forward opinions and suggestions on the implementation and management of ecological protection and restoration; Prepare an evaluation report on the implementation of ecological protection and restoration projects.

Citation Information

Patent Citations

  • Regional ecological protection and restoration project implementation effect evaluation method

    CN114565223A

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