31 results about "Plant community" patented technology

This invention provides a simulation method based on the functional attributes of forest and grassland communities, comprising: acquiring community survey data and individual plant functional trait data of the target forest and grassland vegetation; calculating the functional attributes of the plant community; acquiring the actual values ​​of key hydrological parameters corresponding to the target forest and grassland vegetation; training the model using a random forest algorithm to construct a nonlinear mapping model; integrating the nonlinear mapping model into a parameterized process and outputting the simulation results. The hydrological simulation method based on the functional attributes of forest and grassland communities provided by this invention establishes a nonlinear mapping relationship between these ecological attributes and key hydrological parameters using a random forest algorithm, thereby dynamically driving the simulation of regional hydrological processes. This achieves a refined characterization of the mechanism by which vegetation community structure and function affect hydrological processes, significantly improving the simulation accuracy of the model in scenarios such as vegetation restoration and configuration optimization.

The application discloses a kind of water ecological restoration plant community management method and system based on neural network, method includes: based on SOFM neural network, water body stratification detection is carried out to target water area, and stratification result is obtained;According to stratification result, dynamic hydrological data sampling is carried out to each water layer using water body monitoring equipment, and the sampling result of each water layer is obtained;According to aquatic plant distribution data and aquatic animal distribution data, corresponding biological information and water layer natural ecological environment data are called to construct target database;Based on BP neural network, according to target database, determine the dynamic change rule of target water area within a predetermined time;Judge whether the dynamic change rule meets the preset restoration target, according to the judgment result, based on ecological restoration principle, calculate the plant species and corresponding quantity required for each water layer, and obtain the calculation result;According to the calculation result, the plant community of target water area is managed using plant management equipment.

This invention discloses a method for synergistically improving grassland plant diversity and productivity, relating to the field of degraded grassland ecological restoration technology. The method involves selecting degraded Leymus chinensis meadow steppe as the restoration target and delineating restoration plots. Within the operational window, targeted aeration and fertilization are carried out on the restoration plots to obtain improved restoration plots. These improved restoration plots are then continuously fenced off for at least two growing seasons for natural enclosure. This invention, through the synergistic effect of targeted aeration and precise fertilization, breaks through soil physical limitations and replenishes nutrient bottlenecks, achieving simultaneous improvement in plant diversity and productivity of degraded Leymus chinensis meadow steppe. It effectively optimizes the plant community structure and promotes the evolution of degraded communities into stable perennial herbaceous communities. Furthermore, this invention features highly standardized and mechanized operational parameters, high restoration efficiency, and is suitable for the large-scale restoration needs of degraded Leymus chinensis meadow steppe, balancing ecological benefits and production potential, and has broad application prospects.

This invention provides a geochemical method and system for identifying phytoplankton community succession, relating to the fields of aquatic environmental geochemistry and ecological environment monitoring. The method involves simultaneous sampling of a target water body to determine water chemical parameters, dissolved inorganic carbon, particulate organic carbon, and stable carbon isotopes, while simultaneously acquiring data on the species composition and relative abundance of phytoplankton. Based on the water chemical parameters, the forms and concentrations of dissolved inorganic carbon in the water body are determined to ascertain the carbon source utilization pattern. The stable carbon isotope shift in the water body is determined based on the dissolved inorganic carbon, particulate organic carbon, and stable carbon isotopes. Furthermore, the stage of phytoplankton community succession in the target water body is identified by comparing the carbon source utilization pattern and the stable carbon isotope shift with the indicators. This invention enables early identification of the community succession process based on changes in carbon source utilization patterns, even before changes in phytoplankton community morphology become apparent.

The present application provides a kind of shrub directional replacement of Ordos region Artemisia ordosica ecological planting method, belongs to the technical field of ecological restoration in desertification area, as follows: S1, shrub screening and seedling raising: screening local dominant shrub of Ordos, using degradable nutrient bag to raise seedling, obtain bagged seedling;S2, inhibitor application: in target area, Artemisia ordosica inhibitor is sprayed to Artemisia ordosica, to inhibit the growth of Artemisia ordosica;S3, shrub directional planting: in the target area after inhibitor treatment, the bagged seedling is planted;S4, community structure optimization: in the gap between shrubs after planting, local gramineous grass seeds are sown, and mixed plant community structure is constructed;After the method of the present application, the height, coverage and density of Artemisia ordosica are significantly reduced, there is no rebound fluctuation, the stability and persistence of the inhibition effect are significantly improved, and the reduction of Artemisia ordosica population effectively reduces the regional pollen release amount, which relieves the problem of pollen allergy from the source.

This invention provides a method for constructing an ecological lake wetland aquatic plant and animal community system. The method includes dividing the lake to be restored into two zones according to water flow direction and terrain. Then, bottom sediment improvement, planting of submerged plants, addition of amendments, and algae-controlling zooplankton are carried out in each zone. Ecological floating islands are constructed and emergent plants are planted. Aquatic animals are introduced, followed by routine management. Water purification devices containing EHBR membrane modules are installed near the lake inlet and in areas with higher terrain. This constructs an ecological lake wetland aquatic plant and animal community, achieving long-term ecological restoration of the lake. Furthermore, the introduction of EHBR membrane modules can reduce organic pollutants in the lake at lower temperatures, significantly extending the restoration time and ensuring that the lake's water quality remains stable for an extended period.

This invention addresses the common problems in existing technologies for determining the succession stage of vegetation communities in ecological restoration areas, such as high misjudgment rates using single indicators, lack of scientific basis for threshold classification methods, and insufficient comprehensiveness and accuracy of determination results. It proposes and discloses a more comprehensive and accurate method for determining the succession stage of vegetation communities in ecological restoration areas. This method first systematically obtains multi-dimensional indicator data, including plant community structural characteristics, soil functional attributes, and ecosystem functional performance, through quadrat surveys. Then, it constructs a three-level indicator system comprising a target layer, a criterion layer, and an indicator layer. The relative weights of each determination indicator are scientifically determined using the analytic hierarchy process (AHP), and a comprehensive succession index is finally calculated. Based on pre-established criteria for determining the succession stage of vegetation communities, the specific succession stage of the plant community can be accurately and objectively determined.

The application discloses a photovoltaic power station ecological restoration system, and belongs to the technical field of photovoltaic power generation. The system comprises a photovoltaic module, a water supply assembly, an irrigation device and a monitoring control device. The ecological restoration area is divided into multiple irrigation areas, and a monitoring control system is correspondingly arranged. Based on multiple sensors in the monitoring control system, meteorological and soil data of each irrigation area can be acquired, so that the irrigation water requirement of each irrigation area can be calculated in real time, irrigation can be performed on demand, the spatial and temporal distribution of irrigation amount and moisture is more in line with the actual demand of vegetation and environmental conditions, compared with uniform irrigation, more complex plant communities and higher biomass can be supported under the same water amount, and the ecological restoration efficiency is significantly improved.

The application relates to the technical field of data processing, and discloses a garden landscape intelligent planning method based on digital twinning. The method acquires three-dimensional geological profile data of a planning area, establishes an underground soil porosity and saturation tensor field, and divides the underground space into a multi-scale hexahedral microenvironment grid; root system morphological parameters of a candidate plant community are acquired, and a plant physiological feature library containing a root system water absorption rate curve and a nutrient absorption spectrum is constructed; a spatial mapping topological relationship between an aboveground plant three-dimensional canopy model and the underground grid is established, and water potential gradient changes of the microenvironment grid under different aboveground layout schemes are calculated. The application quantitatively constrains the surface layout and the dynamic distribution of underground soil water and fertilizer, solves the problem that the surface layout is disconnected from the underground ecological carrying capacity in the prior art, leading to plant decline, and improves the ecological stability of the digital twinning planning scheme.

The present application belongs to the technical field of pasture quality evaluation, and particularly relates to a method for evaluating pasture quality condition based on a multi-element comprehensive index, which comprises selecting a plurality of sample plots on a grassland, applying the same mineral element with different concentrations to plant communities of different sample plots; determining the yield of different plants in the plant community of each sample plot at the highest biomass period of the grassland; measuring the content of each mineral element of different plants in each sample plot, and calculating the weighted average content of each mineral element at the community level according to the content of each mineral element of different plants in the sample plot; determining the standardized nutrient concentration of each sample plot; determining the expected nutrient stability of each sample plot; evaluating the pasture quality condition according to the changes of the standardized nutrient concentration and the expected nutrient stability caused by the same mineral element with different concentrations applied to different sample plots, and determining how to apply the mineral element to the pasture in the subsequent process according to the pasture quality condition, which has guiding significance for improving the quality of the pasture.

The application discloses a mine area vegetation recovery identification method and equipment based on land cover dynamics and belongs to the technical field of ecological monitoring. According to the plant community grade, the mine area observation image is decomposed into multiple pixels, and long-time sequence vegetation change grade data are constructed. A vegetation grade dynamic change index system is constructed, the vegetation is divided into several grades, the vegetation grade change break point quantity in the target time and space, the maximum grade span of the vegetation grade change and the vegetation grade duration are calculated. The break point quantity, the maximum grade span and the vegetation grade duration of the vegetation grade change are analyzed item by item, the vegetation grade stability index is calculated and spatial mapping is carried out. The discrimination standards of different types of vegetation are determined, and the spatial distribution and the recovery stage of the vegetation natural recovery are identified. The application is simple in arrangement, convenient to use and capable of quickly identifying the recovery area.

This invention relates to a method for simulating and predicting the spread of *Carex chinensis* mound communities in marsh wetlands. The invention belongs to the field of marsh wetland plant community spread simulation technology, specifically a method for simulating and predicting the spread of *Carex chinensis* mound communities. This invention addresses the problem of not being able to simulate and predict the spread paths and rates of *Carex chinensis* mound communities in marsh wetlands using existing ecological and environmental data. The method involves: acquiring and interpreting remote sensing images; acquiring community characteristic data and ecological and environmental data; processing the acquired remote sensing images and ecological and environmental data to form a database; creating an MCE suitability atlas; simulating the spread of *Carex chinensis* mound communities; verifying the accuracy of the simulation results; and then making predictions. This invention can accurately predict the spread paths and rates of *Carex chinensis* mound communities in marsh wetlands and can be applied to wetland restoration and management.

The present application relates to a kind of multi-level water ecological system with river-lake connectivity and its construction method, it relates to the technical field of ecological system, the ecological system is built on the river connected with lake, including multiple staggered equidistant distribution in river both sides and for water storage, water purification and improve surrounding ecology Ecological buffer zone, ecological buffer zone is connected with river;Ecological buffer zone includes the water storage pool of cylindrical type and the floating body platform located at the center of water storage pool, the side of water storage pool is respectively equipped with water inlet channel body and water outlet channel body connected with river, the water outlet of water inlet channel body is equipped with the drive mechanism based on water flow kinetic energy drives floating body platform rotation.This system constructs artificial ecological buffer zone, constructs multi-level plant community, constructs the ecological system that plant and animal are coordinated, and then overall constructs river-lake water system ecological system with nature as main, artificial moderate intervention, greatly improves the self-purification capacity of system water body.

The application discloses a kind of based on multi-factor coupling and identification model's Dianchi phytoplankton community structure identification method, belong to aquatic ecological monitoring and environmental biology technical field.This method is based on water environmental factor and phytoplankton community data, by quantitative analysis to environmental factor and calculate its weight coefficient and construct the phytoplankton structure index that can comprehensively reflect community structure characteristics, combined with the identification rule based on environmental threshold and random forest machine learning model, phytoplankton community structure is classified and identified and quantitatively determined, to realize the accurate division of community type.Compared with traditional method, the application is coupled by multi-factor, and the accuracy and stability of community structure identification are improved, the uncertainty caused by human experience judgment is reduced, and can be widely applied to lake ecosystem health assessment, water environment quality monitoring and algal bloom early warning and the like.

This invention discloses a carbon sequestration enhancement system for mine reclamation areas based on the symbiosis of microalgae and resilient plants, belonging to the field of mine ecological restoration and carbon sequestration enhancement technology. It includes a photovoltaic power generation unit, a water storage unit, a microalgae cultivation unit, a resilient plant community unit, a rhizosphere atomization spraying unit, and a control system. This invention constructs a dual-channel synergistic carbon sequestration system—a "rapid carbon sequestration channel" and a "sustainable carbon sequestration channel"—through deep symbiosis between microalgae and the living root systems of resilient plants. Experimental data demonstrates that the carbon sequestration intensity of the symbiosis is approximately 20 times higher than that of single-plant remediation and approximately 3 times higher than that of plant + mycorrhizal + irrigation methods, achieving efficient conversion of mine wastelands from "carbon source" to "carbon sink." Employing a strategy of "using living root exudates as signals and nutrients," atomization devices buried 0.5–2 m deep in the root layer directly spray the concentrated microalgae solution, which has reached the required standard, onto the surface of the living root system in atomized form, forming a stable algal-root composite film.

The invention discloses a phytoplankton community stability evaluation method based on cascade reservoir influence. The method comprises the following steps: step 1, river reach division and sample collection; step 2, community structure and diversity analysis; step 3, analyzing a community construction mechanism; step 4, co-occurrence network construction and stability evaluation; step 5, environment driving factor modeling; and step 6, performing multi-group comparative analysis. According to the method, multi-dimensional analysis of a community structure, a construction mechanism, network stability and environment driving factors is integrated, and a complete evaluation chain is formed; a neutral community model and a co-occurrence network analysis method are introduced, and the influence mechanism of the cascade reservoir is revealed from the angles of the ecological process and interaction; the method is suitable for river and reservoir systems of different scales and different types, and is especially suitable for ecological assessment of areas without data or with less data; the method has important theoretical and practical values for scientifically guiding ecological scheduling and biodiversity protection of the drainage basin.

The utility model belongs to the technical field of plant community investigation tool, especially, relate to a portable quadrat, including horizontal mechanism and vertical mechanism. Horizontal mechanism includes first horizontal subassembly, second horizontal subassembly. Vertical mechanism includes first vertical subassembly, second vertical subassembly. The portable quadrat provided by the application, through the vertical distance between the first horizontal subassembly adjustable with vertical mechanism, and the horizontal distance between the second vertical subassembly adjustable with horizontal mechanism, can change the area size of quadrat quickly, conveniently, satisfy the diversification demand of quadrat area of different plant community investigation, the activity of each component of the quadrat provided by the application is connected in the mode, when not using, can shrink, and the convenient storage and carrying.

An artificially-created honey-yielding environment is established, including a hive and an associated flora cell, within which first and second plant populations cohabit. Within the cell, honey-producing insects from the hive are permitted to forage. One of the populations has been artificially introduced. The other may be indigenous to the cell. The first plant population serves as a primary source of nectar which yields bioactive honey and the second serves as a source of a nutrient, such as protein, which is not abundantly available from the first species at a nutritionally adequate level for sustaining the metabolism and energy of the foraging honey-producing insects for returning to the hive. The first flora population may be a Leptospermum species. An example of the second is Corymbia maculata.

The application discloses a city green land homogenization evaluation method and system based on plant landscape culture coupling, relates to the field of city planning and landscape ecology evaluation, constructs a multi-gradient observation field, selects representative cities with climate differences, and sets standard quadrats along a "central urban area-suburb-natural area" gradient in each city to collect plant community data; a plant diversity evaluation model is constructed, and the application overcomes the limitations of the prior art which only focuses on single-dimensional plant diversity analysis or pure subjective landscape aesthetic evaluation. Through the construction of a "plant-landscape-culture" three-dimensional coupling evaluation model, the quantitative correlation of ecological indexes, visual landscape patterns and regional culture perception factors is realized for the first time, and the internal driving mechanism of city green land homogenization can be revealed in depth from the perspective of system theory.

This invention discloses a method and system for maintaining the stability of alpine grassland communities based on nitrogen deposition and precipitation gradient regulation, belonging to the field of ecological and environmental engineering technology. The method includes the following steps: collecting growth change data of different plant communities, soil nitrogen content change data, and precipitation temporal distribution data; standardizing all types of data under a unified time scale; and forming a draft of plant community growth rhythm based on the standardization results. This invention achieves dynamic equilibrium of alpine grassland communities in the temporal dimension by synchronously regulating the nitrogen input rhythm and precipitation distribution rhythm, constructing a joint regulation mechanism of reverse peak avoidance and sliding compensation. This method disperses community growth peaks, weakens resonance effects, restores asynchronous responses, improves energy utilization and structural stability, and ensures the long-term sustainable maintenance of ecological functions.

The application discloses a kind of livestock ecological breeding intelligent management methods based on Internet of Things, it is related to wisdom livestock field, including, access environmental state data and livestock individual space-time trajectory data and carry out fusion, generate pasture global dynamic present situation atlas;Pasture global dynamic present situation atlas is introduced into pasture ecological simulation sand table, according to preset ecological response rule, to candidate management scheme Simulation identifies potential degradation unit and expected evolution track, generates ecological stress calculation diagram;Analysis ecological stress calculation diagram, for potential degradation unit in combination with space attribute and expected evolution track, reverse solution generates preventive ecological construction scheme;Preventive ecological construction scheme is compiled as cluster collaborative job instruction sequence;According to cluster collaborative job instruction sequence, the planting work defined in plant community construction scheme is executed to target construction area.This application realizes the initiative foresight of ecological degradation process, accurate intervention and continuous optimization.

The present application relates to the field of landscape design, and particularly relates to a landscape image design optimization system, which maps the multi-dimensional characteristics of plants to a Riemann manifold space, and establishes a scientific feature representation system, and the system comprises a differential geometry feature representation module, an intelligent plant configuration recommendation module, a dynamic evolution prediction module, an aesthetic score module, an ecological benefit evaluation module, a database module, a spatial analysis module and a maintenance strategy module, the core innovation point is to find the optimal plant configuration path by using the geodesic line search algorithm, and predict the dynamic changes of the plant community over time based on the curvature flow evolution theory, the system realizes the comprehensive optimization of the aesthetic effect and ecological function of the landscape design, expands the static design into a space-time dynamic process, significantly improves the design efficiency, enhances the quality and ecological value of the design scheme, and reduces the later maintenance cost.

The present disclosure relates to the technical field of ecological water treatment, and particularly relates to a freshwater algae bloom regulation method based on food web construction. The regulation method comprises: performing algae phase regulation, adding effective microbial groups, functional bacterial species and beneficial algae to a target water body, converting harmful algae phases into beneficial algae phases; laying out shellfish in the target water body after the algae phase regulation is completed, purifying the water body through the shellfish, and removing the shellfish before they die; and reconstructing a submerged plant community and releasing a functional fish community in the purified target water body, so as to perfect the structure of the aquatic food web.

The application provides a kind of forest and grass community function parameter optimization method for regulating water and soil erosion, the method comprises: a plurality of plant community function attributes are calculated based on plant community data, and soil erosion modulus is calculated based on soil data;The mapping relationship between the random forest model and the key parameters of the model is established;Then simulate and analyze the hydrological sediment response under different parameter combinations, and determine the influence law of each function parameter on runoff and sediment yield process through sensitivity analysis;Finally, according to the law, the optimization direction is determined and the forest and grass community configuration scheme is generated. Quantitative analysis and fine optimization of forest and grass vegetation regulation of runoff and sediment yield process are realized on a regional scale, which can accurately identify the plant function parameters and their sensitive intervals that have key regulation effect on runoff and sediment yield process;And the optimization configuration of forest and grass community is directly guided by quantitative analysis results, which significantly improves the pertinence and operability of water and soil erosion regulation measures.

The application discloses a kind of methods for creating characteristics of high water level difference change of piece area ancient city along river landscape zone, comprising: obtaining the historical hydrological data of the construction area of along river landscape zone, real-time water level monitoring data and geological survey data;Establish the digital elevation model of construction area, and construct two-dimensional hydrodynamic model coupled with digital elevation model;The construction area is sequentially divided into at least four core functional areas from bottom to top along the elevation gradient;Select and configure the plant community with corresponding flood tolerance, moisture tolerance and erosion resistance;Design and build landscape structures with adaptive function and form;Dynamic adjustment and maintenance are carried out to plant community and landscape structures.The application solves the problem that the design of the existing ancient city along river landscape zone cannot effectively adapt to the dynamic change of high water level difference, resulting in low plant survival rate, unstable landscape effect, missing ecological function and incoordination between structure and hydrological environment.

The present application relates to the technical field of sponge city construction, and in particular to a sponge green land rainwater interception method based on native garden plants, which comprises the following steps: screening native arbor, shrub, grass and vine compound communities suitable for different regional hydrological conditions and performing three-dimensional configuration; designing multi-stage ecological interception units coordinated with the root system distribution of the plant community; constructing a native plant-microorganism synergistic purification module; and setting a rainwater circulation regulation and control system based on real-time hydrological data. The present application utilizes the strong adaptability and ecological advantages of native plants, combined with targeted engineering design, to increase the rainwater interception rate by 35%-50%, and the COD removal rate of purified rainwater is more than 60%, while reducing the construction and operation and maintenance costs, improving the regional ecological stability, and being suitable for urban parks, residential areas, road green spaces and other scenes in different climate zones, and having significant economic, ecological and social benefits.

This invention relates to the field of lake algal bloom early warning technology and discloses a graded early warning system for algal blooms based on lake plankton, including a multi-dimensional acquisition module, a blind zone assessment module, a community analysis module, a balance analysis module, and a graded early warning module. The system acquires environmental monitoring data and plankton monitoring data of the lake through the multi-dimensional acquisition module. The blind zone assessment module generates a blind zone index to identify potential blind zone ranges for phytoplankton enrichment, providing comprehensive and accurate monitoring. The community analysis module identifies dominant plants that play a leading role in algal bloom formation, assesses the phytoplankton community structure, and generates a community index. The balance analysis module assesses the food chain structure of the lake plankton system and generates a balance index. The graded early warning module determines the level of blind zones in the lake monitoring network, the stability of the phytoplankton community structure, and the balance of the plankton system's food chain, and outputs the judgment results and response measures, resulting in excellent intelligent early warning and prevention effects.

The utility model provides a kind of natural plant community seed collection equipment, unmanned aerial vehicle bottom is equipped with collection box, collection box bottom is communicated with the collection cover of the unmanned aerial vehicle fan blade range that extends, collection box bottom is also equipped with camera, and it is set towards collection cover direction;Collection box inside is equipped with motor, motor output end is equipped with the impeller of air draft, collection box inside is also equipped with second screen, second screen divides collection box into two chambers, motor and impeller are arranged in upper chamber, and lower chamber is communicated with collection cover by collection inner tube. Seed collector is installed to plant protection unmanned aerial vehicle, can improve plant seed collection efficiency and range, suitable for the collection of natural plant community seed under complex environment, can be widely applied in multiple fields such as agricultural production, scientific research, ecological restoration etc.

The application discloses a kind of land vegetation data management method, device, equipment, medium and product, it is related to vegetation data management technical field, the method comprises: according to the range of latitude and longitude network, the land vegetation region to be marked is divided into multiple land use units;Each land use unit is encoded according to set latitude and longitude network coding rule, and topographic map code is obtained;The plant community code is determined according to the land use type of each land use unit;The topographic map code of each land use unit is spliced with the plant community code to obtain combined code;The plant community characteristics of each land use unit of each land use unit are stored in geographic information system according to geographic coordinates;Geographic information system is used to query the plant community characteristics of each land use unit of each land vegetation region;Plant community characteristics include NDVI, plant community composition, dominant species community and accompanying species of dominant species community, and the application can improve the management efficiency of land vegetation information.

A method of revegetating a native plant community such as a forest includes the steps of mechanically collecting forest floor material, specifically targeting native plant seeds, spores, and acrotelm layers, to restore native forest species. The collected material is formed into small pieces, such as pucks, for distribution on the target land. The pieces are formed by wetting the material with water and a binder as a wetting agent, mechanically compressed and dried to a moisture content less than 15% by volume. Each piece has a surface area of less than 25 sq cms and a thickness of less than 1.5 cms so that the pieces are smaller than the smallest length required for a root to emerge into a new plant. The process ensures that the material cannot dry out as the vegetative propagules die if it does. The material is formed into the pieces without being stockpiled or previously stored and without freezing.