22 results about "Landscape ecology" patented technology

The invention discloses a wetland ecological restoration dynamic monitoring method based on deep learning, and relates to the technical field of ecological restoration, and the method comprises the following steps: obtaining multi-source wetland ecological sensor data and remote sensing image flow in real time, constructing a space-time fusion data cube, and extracting an ecological feature tensor; performing degradation mode analysis on the ecological characteristic tensor, generating an ecological state dynamic topological graph, and calculating an ecological connectivity index; carrying out restoration demand identification based on the ecological connectivity index, positioning a degradation hot spot region through a multi-modal graph convolutional network, and generating a restoration priority region coordinate set; through multi-source data space-time fusion and deep crossing of deep learning and landscape ecology, a whole-process technical system from ecological state dynamic perception to restoration scheme intelligent optimization is constructed. The problems that in traditional wetland restoration, data scales are not matched, degradation area positioning is fuzzy, restoration path ecological adaptability is poor, and multi-target cooperation is difficult are effectively solved.

The invention discloses a method for evaluating evolution characteristics and evolution driving factors of a space-time pattern of a park green land, and particularly relates to the technical field of crossing of smart cities and landscape ecology, and the method comprises the steps: obtaining multi-period remote sensing image data and planning maps, and constructing a multi-source database; interpreting the image based on a random forest supervised classification algorithm to generate a park green space distribution map, and optimizing the precision; adopting a landscape ecology theory to select a landscape pattern index to quantify space-time evolution characteristics; constructing a driving evaluation index system, and analyzing a driving mechanism by means of a multiple regression model and a space measurement model; and generating a three-level spatial pattern optimization strategy based on the result and outputting a visual decision map. According to the method, the spatial-temporal pattern evolution characteristics and driving factors of the urban park green land can be comprehensively analyzed, and a scientific basis and decision support are provided for planning, management and protection of the urban park green land.

The invention relates to a method for determining a spatial range of an urban ecological corridor based on habits of birds under forest, and relates to the technical field of landscape ecology and urban ecological planning. The method comprises the following steps: acquiring a target environment variable of a preselected under-forest bird species in a target research area; inputting the target environment variable into a pre-trained species distribution model, simulating a potential suitable-for-growth area of the pre-selected under-forest bird species, and outputting a habitat suitability index; determining an ecological source space distribution range based on the potential suitable growth area; constructing a landscape transfer resistance surface based on the habitat suitability index; inputting the data of the ecological source space distribution range and the landscape transfer resistance surface into a minimum cumulative resistance model to generate a path of the urban ecological corridor; and based on the circuit theory model, determining the function connectivity in the transfer process of the preselected under-forest bird species in the urban ecological corridor path, and determining the inflection point of the change of the function connectivity as the width of the urban ecological corridor. By adopting the method, the spatial range of the urban ecological corridor can be determined.

The invention discloses a watershed landscape pattern change and water quality effect analysis method, which belongs to the technical field of landscape ecology, and comprises the following steps: step 1, data collection and preprocessing; step 2, landscape pattern analysis; 3, water quality analysis; 4, analyzing the correlation between the landscape pattern and the water quality; and 5, formulating a targeted drainage basin management strategy according to an analysis result. According to the method, a plurality of technical means such as a geographic information system (GIS), a remote sensing technology and statistical analysis are combined, the landscape pattern change and the water quality effect of the watershed can be comprehensively and systematically analyzed, and the comprehensive analysis method is beneficial to deeply understanding the complexity and the dynamic nature of the watershed ecosystem; and powerful support is provided for formulating a scientific and reasonable drainage basin management strategy.

The invention discloses a configuration method suitable for plateau wetland landscape ecological water demand, and the method is characterized in that the method comprises the following steps: S1, obtaining a remote sensing image, carrying out the image classification through a random forest algorithm based on a particle swarm optimization algorithm, and generating a landscape type classification graph; s2, calculating a landscape ecological risk index, identifying a sudden change point of the flow to the landscape ecological risk index by using non-parametric change point analysis, and determining an initial flow and a peak flow of each vegetation growth period; s3, selecting hydrological elements with ecological significance, and quantitatively analyzing wetland hydrological situation changes by adopting ecological hydrological indexes; and S4, coupling an ecological hydrological process, determining a landscape ecological water demand scheme of each time node in the vegetation growth season, and drawing a landscape ecological water demand process. According to the method, the influence of ecological hydrological index changes on the landscape pattern and the ecological risk can be analyzed, and the landscape ecological water demand of the plateau river wetland is quantitatively calculated.

The invention relates to the technical field of ocean space planning, in particular to an ocean function space configuration method based on landscape ecology. The method comprises the following steps: acquiring multi-source geographic space data of a target sea area, and integrating the data to generate a reference marine landscape map; calculating a group of predefined marine landscape pattern indexes according to the reference digital marine landscape map, and quantitatively evaluating the space structure of the map through the marine landscape pattern indexes; an iterative space optimization algorithm is executed, and the spatial layout of the functional area is reconstructed on the premise that constraint conditions are met by taking optimization of an ecological structure as a target; and finally, outputting a marine function space configuration diagram after ecological optimization. According to the method, the limitation of a traditional qualitative zoning method is overcome, a scientific, quantitative and repeatable process is provided for ocean space planning, and therefore the ecological integrity of ocean management planning is effectively improved.

This invention provides a method, device, and electronic device for constructing an ecological network with spatial dust retention function, belonging to the field of ecological planning technology. The method includes: correcting the basic PM2.5 diffusion resistance coefficient of each spatial grid in the spatial grid model based on a landscape correction factor to obtain a comprehensive PM2.5 diffusion resistance surface; the basic PM2.5 diffusion resistance coefficient is determined based on the hindering effect of land use type on PM2.5 diffusion; based on the spatial distribution map of PM2.5 pollution sources and the comprehensive PM2.5 diffusion resistance surface, performing minimum cumulative cost analysis and current distribution calculation based on circuit theory to obtain PM2.5 diffusion corridors; and identifying and analyzing key control nodes based on the PM2.5 diffusion corridors to obtain key control nodes for constructing a PM2.5 diffusion control ecological network. This invention realizes a systematic PM2.5 diffusion control ecological network construction scheme integrating landscape ecology source-corridor-node morphology.

This invention discloses a construction method for vertical greening in landscape ecology, belonging to the field of landscape greening technology. The method includes the following steps: S1, pre-construction preparation; S2, installation of the adjustment mechanism; S3, installation of the clamping mechanism; S4, installation of the planting box; S5, disassembly of the clamping mechanism; after all planting boxes are installed, the clamping mechanism is disassembled; S6, installation of the pruning mechanism; the pruning mechanism is installed on the slider, allowing for comprehensive pruning of the vertical surface during maintenance. This invention uses the clamping mechanism to transport the planting box to the corresponding position, eliminating the need for manual climbing up and down to install the plants, simplifying construction and shortening the cycle time.

The invention belongs to the technical field of ecological protection, and particularly relates to a natural reserve ecological network construction system and method based on landscape ecology, and the system collects multi-source ecological data in a layered manner through a multi-modal sensing array, divides the data into macroscopic, mesoscopic and microscopic levels, and processes the data. And the analysis module identifies key ecological nodes and galleries and delimits the boundary of a protection area. And the resistance model construction module constructs a dynamic resistance surface and calculates an optimal ecological connection path. And the feedback updating module feeds back a result in real time, dynamically adjusts acquisition parameters, and improves pertinence and accuracy of data acquisition. According to the method, the problems of insufficient data acquisition precision, unclear hierarchical division, low analysis efficiency and the like in the prior art are effectively solved, and scientific and efficient technical support is provided for construction of a natural reserve ecological network.

The invention provides an ecological network construction method and device with a space dust retention function and electronic equipment, and belongs to the technical field of ecological planning, and the method comprises the steps: correcting a basic PM2.5 diffusion resistance coefficient of each space grid in a space grid model based on a landscape correction factor, and obtaining a PM2.5 diffusion comprehensive resistance surface; the basic PM2.5 diffusion resistance coefficient is determined based on the blocking effect of the land utilization type on PM2.5 diffusion; based on the PM2.5 pollution source space distribution diagram and the PM2.5 diffusion comprehensive resistance surface, minimum cumulative cost analysis and current distribution calculation based on the circuit theory are carried out, and a PM2.5 diffusion corridor is obtained; and key control node identification analysis is carried out based on the PM2.5 diffusion corridor to obtain key control nodes so as to construct a PM2.5 diffusion control ecological network. According to the invention, a systematic PM2.5 diffusion control ecological network construction scheme fusing a landscape ecology source-corridor-node form is realized.

The invention discloses a golden snub monkey habitat corridor construction method based on a multi-factor resistance layer and application, and relates to the technical field of landscape ecology, the golden snub monkey habitat corridor construction method comprises the following steps: constructing an exclusive multi-factor system containing natural resistance, man-made interference resistance and refined ecological resistance factors, and distinguishing evaluation factors and interference factor differences suitable for a habitat and a movable corridor; acquiring corresponding data, including vegetation data acquired by remote sensing images, topographic data acquired by a meteorological station, man-made interference and ecological data acquired by field investigation, and golden-nosed monkey movement track data acquired by a GPS necklace; the standardized data is a set resistance value interval; determining a factor weight by using an analytic hierarchy process and an entropy weight method in combination with the motion trail to form two types of resistance layers; after a resistance layer is superposed, a candidate path is generated by using a minimum cost path algorithm; the activity frequency is monitored through an infrared camera, and a standard reaching path is reserved as a final corridor. According to the method, the one-sided problem of traditional factor selection is solved, the scientificity and practicability of galleries are improved, and golden snub monkey population connectivity restoration is assisted.

The invention discloses an ecological stability evaluation method based on landscape sustainability, and relates to the technical field of landscape ecology, and the method comprises the steps: 1, collecting landscape data, 2, processing the landscape data, 3, analyzing the landscape data, comprehensively collecting multi-dimensional data, breaking through the limitation of traditional single-factor analysis, covering man-made interference and natural elements, and improving the evaluation efficiency. Three-dimensional data support is provided for evaluation, evaluation one-sidedness caused by data missing is avoided, the comprehensive state of the landscape ecosystem is reflected more truly, subjective interference is reduced, scattered data form indexes with ecological significance, a comparable and computable foundation is laid for comprehensive evaluation, data processing objectivity and efficiency are improved, and the practical value of the method is improved.

The utility model provides a flowing water replacing device for landscape ecology, and relates to the technical field of landscape ecology. The landscape basin comprises a landscape basin body, the inner wall of the landscape basin body is fixedly connected with a gutter channel, the inner bottom wall of the gutter channel is provided with a water outlet, a replacement mechanism is arranged below the water outlet and comprises a bearing water pipe, the inner wall of the bearing water pipe is fixedly connected with a diversion channel, and the diversion channel is provided with a water outlet. And a rotating rod is rotationally connected to the middle of the flow dividing groove. According to the device, the diversion groove, the rotating rod, the sealing plate and the bearing water pipe are arranged, the control crank is rotated, the control crank rotates to drive the rotating rod to rotate, the rotating rod rotates to drive the sealing plate to rotate, and therefore the sealing plate cancels shielding of the replaced drainage pipe and shields the circulating backflow pipe; and running water in the bearing water pipe can be discharged out of the device through the replacement drainage pipe, so that the running water in the device is replaced, and the situation that the running water goes bad after being used for a long time and affects the ornamental value of the landscape is avoided.

The invention relates to the field of urban planning and management, in particular to a spatial form optimization method, device and equipment based on an urban thermal risk network, and the method comprises the steps: obtaining multi-source remote sensing data of a city, and constructing a spatial basic data set; identifying risk surfaces, galleries and obstacle points based on the spatial basic data set, and constructing a high / low high thermal risk network; extracting multi-dimensional landscape features of each network component, and training an optimal prediction model; key form thresholds of the landscape features in different network components are extracted; and generating spatial form optimization strategies corresponding to different network components in the high / low thermal risk network. According to the method, a spatial structure of urban thermal risk is accurately identified through a geographic information system and landscape ecology, an independent high / low thermal risk network is constructed, and an abstract thermal environment improvement target is converted into an operable planning design index in combination with an interpretable machine learning quantitative form control threshold value, so that the reliability of the system is improved. And different components in the high / low heat risk network can be precisely treated.

The invention discloses a marine function space configuration method based on landscape ecology and application, and relates to the field of landscape ecology, the marine function space configuration method comprises a first box body and a second box body, the side face of the first box body is provided with an adjusting assembly, and the first box body and the second box body are connected through the adjusting assembly; a collecting plate, a supporting assembly and an irrigation assembly are further arranged on the side face of the first box. Vaporous water in air is condensed through the refrigeration equipment, liquid water is collected through the first supporting plate and the through holes to irrigate trees, a clean water source can be provided for the trees, the trees are helped to absorb enough moisture and keep healthy growth, tree growth can be promoted, the humidity of the surrounding environment and the air quality can be improved, and the environment protection effect is good. The device has a positive effect on restoration and maintenance of an ecological system, meanwhile, water condensed by the refrigeration equipment can greatly reduce consumption of water resources, the device can be matched with the irrigation assembly to irrigate trees, general spraying on the trees is avoided, and waste of the water resources is reduced.

The utility model belongs to the technical field of urban agriculture balcony economic facilities, put forward a kind of modular balcony vegetable three-dimensional ecological system based on landscape ecology, including ladder type three-dimensional water culture frame, the lower portion of ladder type three-dimensional water culture frame is provided with ecological cabin and filter equipment, the ecological cabin is aquatic symbiosis ecological cabin and includes aquatic culture area and land landscape area, the filter equipment is four-stage ecological filter tower, ladder type three-dimensional water culture frame, aquatic symbiosis ecological cabin and four-stage ecological filter tower are connected by pipeline system.The utility model effectively solves the problem of single function, low space utilization of traditional balcony planting system, not only realizes breeding wastewater zero discharge and resource utilization, but also realizes "plant-substrate-water triple purification system", reasonable in design, it is favorable to improve plant configuration disorder, single space level and low ecological efficiency, is suitable for large-scale popularization.

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.

The invention provides a loess plateau hilly and gully region small watershed ecological characteristic zoning treatment method and device, and the method comprises the steps: calculating the landscape ecological risk index values of a plurality of towns in a loess plateau hilly and gully region small watershed for many years based on a landscape ecological risk index model; based on the ecological environment quality model, calculating multi-year ecological environment quality values of a plurality of cities and towns in the small watershed in the loess plateau hilly-gully region; according to the multi-year landscape ecological risk index values of the multiple cities and towns and the multi-year ecological environment quality values of the multiple cities and towns, performing cumulative frequency curve division, and according to a cumulative frequency set value, determining a landscape ecological high-risk critical value and an ecological environment high-quality critical value; and introducing the landscape ecology high-risk critical value and the ecological environment high-quality critical value into a four-quadrant model, and determining ecological characteristic regions to which a plurality of cities and towns belong, so as to carry out partition treatment. According to the method, a key target region for ecological protection and restoration of the drainage basin can be accurately identified, so that targeted zoning treatment is facilitated.

The invention discloses an evaluation method and system for shade tolerance adaptability of ground cover plants, and relates to the technical field of plant cultivation and garden ecology. The evaluation method comprises the following steps: constructing a ground cover plant shade tolerance adaptability evaluation index system; the shade tolerance adaptability evaluation index system for the ground cover plants comprises a target layer, a criterion layer and an index layer, performing quantitative score assignment on the evaluation indexes of the index layer, and obtaining scores of the evaluation indexes of the criterion layer based on the scores of the evaluation indexes of the index layer; calculating a comprehensive score of a target layer based on the score of the evaluation index of the criterion layer in combination with the weight of each evaluation index in the criterion layer; and determining the shade tolerance adaptability level of the current evaluation object. According to the method, by constructing the multi-dimensional index system and the analytic hierarchy model, the limitation of traditional single index evaluation and / or subjectivity of empirical judgment are solved, a systematic and objective method is provided for scientific screening of shade-tolerant ground cover plants, and the method has the advantages of being low in evaluation subjectivity and high in accuracy.

The present invention provides a multi-scale airport bird strike prevention method based on landscape ecology. It uses landscape ecology theory and safety pattern theory to construct a pattern for the birds that are key to the prevention and control of the airport, and evaluates the impact of the land and environment around the airport on the key birds. It also simulates the movement and diffusion corridors of the key birds around the airport, identifies strategic points that need to be focused on, and thus clarifies the key spatial areas that require airport bird strike prevention and control, such as key driving areas, key luring areas, and key prevention areas. The present invention uses landscape ecology theory to construct a bird safety pattern, pays attention to different types of pattern elements at different scales, and uses a method for prevention and control of the elements.

The invention discloses an ecological resistance high-precision modeling method based on an uncertainty superposition model, and relates to the cross technical field of geographic information systems and landscape ecology, and the method comprises the following steps: selecting a plurality of resistance factors influencing an ecological process; performing standardization processing on each resistance factor by adopting an uncertainty reasoning concept, distinguishing positive or negative effects of the resistance factors, and endowing corresponding weights; the standardized factors are synthesized through the superposition operation process of the model, and a preliminary ecological resistance surface is obtained; and finally, performing normalization processing on the result to generate a high-precision ecological resistance surface. By the adoption of the ecological resistance high-precision modeling method based on the uncertainty superposition model, the characteristics of all resistance factors can be effectively reserved, information loss caused by a traditional weighted average method is avoided, the accuracy and reliability of ecological resistance surface modeling are improved, and the method is suitable for popularization and application. And a scientific basis is provided for ecological network construction, biodiversity protection and ecological safety pattern planning.

The invention discloses a method for constructing a prediction model for evaluating pine wood nematode disease grades based on landscape ecology, and aims to solve the problems that the existing pine wood nematode disease prevention and control work is time-consuming and labor-consuming and cannot be effectively inhibited. Comprising the steps of determining a to-be-evaluated region, dividing landscape types, obtaining the total population number and the traffic network density of the region, and predicting the epidemic occurrence degree through a calculation index. The method for evaluating the grade of the pine wood nematode disease in the region is constructed through different landscape scales and different plaque types, the plaque epidemic situation occurrence degree is evaluated from the aspects of the host plaque area and the shape complexity degree, and the landscape epidemic situation occurrence degree is evaluated from the aspects of the landscape total area and the landscape plaque richness index; and grade division is carried out aiming at the two levels, so that the method has the advantages of larger scale, high pertinence and more comprehensive evaluation, and provides more comprehensive technical support for prevention and control of pine wood nematode disease.