226 results about "Ecological safety" patented technology

The invention relates to the field of environment monitoring, discloses an ecological protection red line holographic dynamic monitoring and early warning method and system, and aims to solve the defects of an existing monitoring and early warning mechanism in the aspects of timeliness, data integration and intelligent analysis. According to the method and the system, multi-source heterogeneous data are acquired and fused, a space bottom line digital model is constructed, space-time situation awareness analysis and change abnormity identification are performed, risk assessment early warning triggering is performed, and early warning issuing and processing feedback are managed. According to the invention, high-precision holographic acquisition and fusion of multi-source data can be realized, the accuracy and timeliness of change abnormity identification are improved, passive early warning is changed into active early warning, a monitoring disposal closed loop is formed, supervision intelligence and treatment efficiency are improved, and ecological safety is guaranteed.

The invention relates to the technical field of territorial space planning and management and geographic information, and discloses a territorial space three-line boundary dynamic monitoring and intelligent early warning system, which comprises a data acquisition module used for acquiring multiple types of monitoring data of ecological protection red lines, permanent basic farmlands and urban development boundary areas in a territorial space in real time; the territorial space three-line boundary dynamic monitoring and intelligent early warning system effectively solves the hysteresis problem of traditional monitoring, can timely intervene in the germination stage of violation behaviors to avoid irreversible loss, and improves the early warning efficiency of the territorial space three-line boundary dynamic monitoring and intelligent early warning system. Meanwhile, the manual patrol and law enforcement cost is greatly reduced, the supervision blind area is eliminated, the ecological safety base line function of the ecological protection red line is practically guaranteed, the grain safety footstone effect of the farmland and the guiding effect of the urban development boundary on the orderly development of cities and towns are permanently improved; and the actual requirements of scientifically and reasonably planning and managing territorial space and assisting sustainable development are met.

The invention discloses a pheromone binding protein derived peptide capable of effectively monitoring sex pheromones of fall webworms and a biosensor, and belongs to the field of biosensors. At present, methods such as sample plot survey and sex traps commonly used in fall webworm monitoring have the problems of poor timeliness, high labor cost, insufficient data continuity and the like. In order to solve the problem, the pheromone binding protein-derived peptide provided by the invention has an amino acid sequence as shown in SEQ ID NO: 2, the biosensor comprises a substrate and an interdigital electrode, a single-walled carbon nanotube is attached to the electrode, and the electrode is also connected with the pheromone binding protein-derived peptide. The sensor can specifically detect sex pheromones of fall webworms, has no response to 17 plant volatile matters, and can detect sex pheromones released by as low as five live female fall webworms under laboratory conditions. The method has application potential in the fields of early pest monitoring, prevention and control efficiency improvement, ecological safety guarantee and the like.

The invention specifically discloses a long-time-sequence high-frequency ecological environment quality space-time differentiation and driving analysis method, and relates to the technical field of remote sensing and ecological environment. The method comprises the following steps: determining an evaluation area, and constructing a macroscopic ecological safety risk evaluation framework; ecological indexes of greenness, humidity, temperature and dryness are calculated, and a time sequence data set is constructed; reconstructing a time sequence data set and constructing a remote sensing ecological index model based on the reconstructed time sequence data set; verifying the precision of the model, and evaluating the reconstruction precision by taking the screened high-quality pixels as true values; analyzing the spatial and temporal change trend and significance output by the model by using slope estimation and trend test, outputting future change continuity by using a Hurst index analysis model, and measuring spatial autocorrelation output by the model by using a Moran index; remote sensing ecological index evolution factors are researched by means of an optimal parameter geographic detector. According to the invention, the precision and timeliness of ecological assessment are improved, and decision support is provided for ecological management.

The invention provides a wetland ecological safety early warning method and system based on remote sensing analysis, and the method comprises the steps: firstly obtaining a multi-dimensional remote sensing data set containing multi-temporal imaging, spectral radiation and microwave scattering data in a target wetland region, and carrying out the interpretation to obtain an ecological process signal set; establishing a mapping relation model of the ecological process signal and the wetland ecological safety state, and obtaining a current ecological safety state description; performing cross-process correlation analysis on the ecological process signal to form an ecological process abnormal conduction chain; constructing an early warning trigger node system and generating an early warning rule; and acquiring real-time multi-dimensional remote sensing data, interpreting the real-time multi-dimensional remote sensing data, matching the interpreted real-time multi-dimensional remote sensing data with an early warning rule, and generating wetland ecological safety early warning information containing an abnormal ecological process link, an abnormal conduction path and an early warning response node. The wetland ecological safety risk can be comprehensively and accurately pre-warned, and the stability of the wetland ecological system is guaranteed.

The invention discloses an ecological safety early warning evaluation system based on three-generation space coupling and multi-source model fusion. The system comprises an index framework construction module, a weight determination module, an ecological safety level evaluation module, a three-generation space coupling evaluation module and an ecological safety early warning evaluation module. The invention provides an ecological safety early warning evaluation system, which masters the possibility of occurrence of ecological environment problems and spatial and temporal distribution characteristics, and provides a scientific basis for management of governments and environmental protection departments in the region. According to the method, indexes are selected according to historical spatial data and various statistical yearbook, an ecological safety evaluation system is constructed based on a three-generation space theory, three-generation coupling coordination is calculated according to different land utilization functions, and finally an ecological safety early warning area is determined according to the space-time relationship between the two.

The invention relates to the technical field of environmental monitoring and water ecological safety, in particular to a eukaryotic algae outbreak early warning method and system based on genus-level specific recognition. The method comprises the following steps: collecting a water body sample at a monitoring position according to a preset sampling plan, collecting an environment measurement value, and respectively obtaining environment parameter data, a water sample sampling identifier and a sampling timestamp; extracting nucleic acid from the water sample at the monitoring position based on the water sample sampling identifier, performing targeted amplification, and performing high-throughput sequencing at the same time to obtain eDNA original sequencing data; therefore, by constructing the eukaryotic algae outbreak early warning process based on genus-level specific recognition, the problems that in a traditional method, sampling disturbance is uncontrollable, sequence judgment precision is insufficient, trend recognition is lagged, and an early warning link is not transparent are solved, and the accuracy, stability and traceability of early judgment of algae outbreak are improved.

The invention relates to a method for identifying an ecological restoration priority area of an agricultural and pastoral interlaced area. The method comprises the steps of collecting ecological environment data of a research area; based on the ecological environment data, determining an ecological source through ecological system service importance evaluation and landscape connectivity evaluation; based on the ecological source, constructing an ecological comprehensive resistance surface, and extracting ecological pinch points and ecological obstacle points; based on the kernel normalization difference vegetation index and the humidity index, time sequence remote sensing trend analysis is carried out on the research area, and a vegetation degradation area is obtained; and regarding the ecological pinch point, the ecological obstacle point and the vegetation degradation area as an ecological restoration priority area. According to the method, ecological security pattern construction of a static view angle and dynamic analysis based on a long-time sequence remote sensing index are combined, a dual-system ecological restoration priority area identification framework is constructed, and the land space ecological protection and restoration priority area identification method of a farming and pastoral interlaced region is enriched; and scientific guidance is provided for improving overall restoration of a regional ecological system.

The invention discloses a cultivated land ecological safety comprehensive evaluation method and system based on multi-model coupling. The method comprises the steps that a future multi-source data set of cultivated land to be evaluated in a future time period is set; performing grid division on the cultivated land to be evaluated by adopting a grid calculator in ArcGIS software to obtain a plurality of grid regions, and performing grid division on the future multi-source data set based on the plurality of grid regions to obtain a future multi-source sub-data set of each grid region; and predicting the future multi-source sub-data set of each grid region by adopting the constructed multi-ecological safety comprehensive evaluation function model, the spatial classification method and the constructed ecological safety comprehensive evaluation index calculation formula to obtain an ecological safety comprehensive evaluation index corresponding to each grid region. According to the method, the ecological function of the to-be-evaluated cultivated land in the future scene is simulated by coupling the multi-ecological safety comprehensive evaluation function quantity model, so that systematic evaluation on the cultivated land ecological function of the to-be-evaluated cultivated land in the future scene is realized.

This invention relates to a highly efficient functional ceramsite for purifying phosphorus-containing wastewater, its preparation method, and its application. Based on a complementary functional strategy, it uses natural clay rich in Al2O3 and SiO2 as a binder and calcium-rich industrial solid waste as the calcium-rich active component. Functional additives are also added to mitigate pH changes caused by calcium oxide reactions. The above raw materials are calcined at high temperature to obtain inexpensive, calcium-rich functional ceramsite with high mechanical strength, large adsorption capacity, and ecological safety. This effectively solves the common problems of increased water pH and poor phosphate adsorption capacity at neutral pH in calcium-based ceramsite, achieving highly efficient phosphorus purification in water. This invention uses inexpensive and readily available natural clay and calcium-rich industrial solid waste as raw materials, resulting in low cost, good effect, and effective application in the treatment of low-pollution water.

The invention discloses an ecological security pattern key area identification method and device, a medium and a product, and relates to the field of ecological security pattern construction.The method comprises the steps that according to geospatial data, a morphological spatial pattern identification technology, an area threshold value and connectivity analysis are adopted, and an ecological source land is determined; generating a comprehensive ecological resistance surface of the ecological source land; according to the ecological source land and the comprehensive ecological resistance surface, determining an ecological corridor by adopting a minimum cost path model; constructing an ecological security pattern network diagram based on the ecological source and the ecological corridor; according to the ecological security pattern network diagram, carrying out ecological security pattern network topology feature analysis; determining a comprehensive ecological pressure index according to the ecological pressure index factor; and determining an ecological security pattern partition according to the network topology structure and the comprehensive ecological pressure index. According to the method, the interaction and relation of the ecological security pattern in the local scale can be fully considered.

The invention discloses a grassland original ecology safety dynamic evaluation and early warning system, belongs to the field of grassland safety monitoring, and aims to solve the problem that an existing dynamic evaluation and early warning system is difficult to monitor and early warn the self-restoration capacity of a grassland. Through the vegetation monitoring unit, the soil monitoring unit, the livestock monitoring unit and the restoring force monitoring unit, and through a multi-scene simulation platform establishment module of the restoring force monitoring unit, interference scenes of drought and overload grazing are preset and visually displayed based on a vegetation productivity model; a dynamic ecological model is constructed in combination with vegetation, soil and livestock grazing data collected in real time, and deduction of the self-recovery state after grassland degradation is achieved; cA-Markov is utilized to dynamically simulate variation trends of vegetation productivity, grazing intensity and the like, critical threshold values of key indexes such as livestock carrying rate and the like are accurately identified, and the anti-interference capability of an ecological system is quantified; and the decision support module integrates the DPSIR model to generate a grazing forbidding strategy, and forms a whole-process restoration force evaluation chain.

The invention relates to a preparation method of an insect-proof lyocell fiber, and belongs to a functional fiber preparation method in the chemical field. The invention provides a bio-based microcell barrier packaging solution aiming at three major defects of easy breakage, non-environmental response release and toxicity of a chemical cross-linking agent in the existing microcapsule coating. The pH response type microcapsule is constructed through double-layer alternate self-assembly of chitosan and phytic acid, a compact network barrier is formed by electrostatic crosslinking of positive and negative charges, and the structural stability is enhanced by combining a natural cross-linking agent genipin; in the fiber loading stage, plasma pretreatment is adopted to increase the surface roughness, vacuum negative pressure drives microcapsule permeation, and steam setting promotes anchoring setting. Core innovations include an intelligent release mechanism, washability breakthrough, ecological safety and actually measured performance display. The method solves the problem that the lyocell fiber is difficult to decompose the permethrin in the NMMO solvent system, and has the advantages of efficient protection and environmental friendliness.

The invention discloses an intelligent invasive plant diffusion risk early warning method and system for ecological safety assessment, and belongs to the technical field of invasive plants. The invention discloses an intelligent invasive plant diffusion risk early warning method for ecological safety assessment. The method comprises the following steps: S1, collecting data and preprocessing; s2, constructing a correlation model of the driving factor and the diffusion rate; s3, predicting distribution ranges and diffusion rates of the invasive plants under different spatial and temporal scales; s4, carrying out risk grade division; and S5, generating early warning information according to the risk level. According to the method, the problem that potential invasion cannot be predicted because early warning is triggered only based on the invasion state of the current grid in the prior art is solved, omnibearing monitoring of the invasion plant diffusion environment is realized, the subsequent prediction efficiency is improved, the invasion plant diffusion trend in a complex scene can be accurately predicted, and the prediction efficiency is improved. And full-period early warning from instant emergency to long-term prevention and control and from grid precision to regional coordination is realized.

The invention relates to the technical field of ecological data fusion, in particular to an atmospheric safety pattern construction method and system with cooperation of pollution reduction and carbon reduction, and the method comprises the steps: recognizing an ecological source land of a target region based on multi-source remote sensing data, and grading the ecological source land; constructing a comprehensive ventilation resistance surface based on the surface roughness, the vegetation roughness and the water area roughness of the target area, and dividing resistance grades of the comprehensive ventilation resistance surface based on the spatial game characteristics of the ecological land and the construction land in the target area; a ventilation corridor and an ecological corridor are extracted, and the width of the ventilation corridor and the width of the ecological corridor are set; and based on the ecological source land grading result, integrating the ventilation resistance surface resistance grading result, the path and width of the ventilation corridor and the path and width of the ecological corridor to carry out overlay analysis, and constructing a safety pattern result of the target area. According to the method, the defects of the existing ecological security pattern content are overcome, and the construction precision of the atmospheric security pattern is improved.

The invention provides acinetobacter for culturing prawns in saline-alkali water and application of the acinetobacter. The preservation number of the provided acinetobacter is CGMCC (China General Microbiological Culture Collection Center) No.36066. The acinetobacter soilis strain provided by the invention has remarkable comprehensive application advantages, can still keep higher growth activity and metabolic capability in a low-temperature environment, and continuously plays a water body purification function. Ammonia nitrogen and nitrite nitrogen in a water body can be efficiently degraded, the environment of the aquatic water body is remarkably improved by promoting the nitrogen circulation process, and harm caused by nitrogen pollution is reduced. In addition, the strain can effectively inhibit and prevent reproduction of pathogenic vibrios and reduce the occurrence risk of bacterial diseases of aquatic animals. The strain is high in safety, does not cause poison or stress reaction to bred animals even under the condition of high-concentration use, and has good ecological safety and environmental friendliness.

The invention relates to the technical field of red tide disaster prevention and control, in particular to a method for improving red tide treatment efficiency of polyaluminum chloride modified clay. The specific method comprises the following steps: activating the polyaluminum chloride modified clay with acid, and then applying the activated polyaluminum chloride modified clay into a sea area to be treated, so that the red tide organisms in the sea area are removed. The method can synchronously improve the pH of the red tide water body and reduce aluminum compound residues, has high efficiency, low cost and ecological safety, and is suitable for large-scale application.

The invention provides a high-resolution forest ecological safety evaluation method, which comprises the following steps: S1, acquiring and preprocessing multi-source high-resolution spatial data; three criterion layers are systematically calculated: 1) sensitivity, including preparation of a climate sensitivity index for quantifying the response intensity of vegetation to climate fluctuation and preparation of a human footprint response index for quantifying the response intensity of vegetation to a plurality of human footprint subclass indexes; 2) exposure degree, wherein a standardized extreme climate exposure index and a human footprint index are integrated; and 3) toughness: evaluating the recovery capability of the forest ecosystem by adopting a first-order time sequence autocorrelation coefficient based on a critical deceleration theory. According to the method, the weight of each index is determined by adopting a subjective and objective weighting method, and a refined forest ecological safety index spatial distribution diagram is generated through a comprehensive evaluation model, so that refined, dynamic and objective evaluation of forest ecological safety is realized, and scientific decision and support are provided for accurate forest management and risk early warning.

The invention provides an ecological security pattern construction method for collaborative protection of birds and amphibians, which is applied to the technical field of regional ecosystems and comprises the following steps: determining a habitat quality index of a target region based on a land utilization remote sensing monitoring data set of the target region; determining a plurality of landscape types of the target region based on the binary image of the target region; based on the habitat quality index and the plurality of landscape types, respectively determining a bird ecological source candidate area and an amphibian ecological source candidate area; based on the landscape connectivity index, grading the bird ecological source candidate area and the amphibian ecological source candidate area, and determining a species collaborative ecological source; and according to a circuit theory, determining an ecological safety pattern of bird and amphibian collaborative protection based on an ecological resistance surface set of a species collaborative ecological source. According to the embodiment of the invention, the overall connectivity and functionality of the ecological network can be improved while the constructed ecological security pattern meets the multi-class group ecological requirements.

The invention relates to an indigenous plant community configuration and dynamic optimization system suitable for a combined pollution site, and belongs to the technical field of environmental ecological restoration and soil pollution treatment. Comprising an indigenous plant resource database module, a pollution site information acquisition and processing module, a plant community intelligent configuration module, a real-time monitoring and data feedback module, a dynamic optimization decision module and a visual interaction module. According to the system, intelligent screening and community construction of indigenous plants are achieved through multi-source data fusion and a multi-target optimization algorithm, a sensor network and a machine learning model are combined to conduct real-time monitoring and dynamic regulation and control on the remediation process, the remediation efficiency, community stability and ecological safety of a heavy metal and organic pollutant combined pollution site are improved, and the remediation cost is lowered. And full-period intelligent, low-cost, green and sustainable ecological restoration management is supported.

The invention discloses Taihu Lake dehydrated sludge ecological nutrient soil and a preparation method and application thereof.The preparation method includes the steps that dehydrated sludge is flatly laid and aired and turned and thrown in the period, and pretreated sludge is obtained; mixing the organic composted material with the pretreated sludge in batches to obtain mixed sludge; crushing equipment is used for crushing and scattering the mixed sludge, so that the Taihu Lake dehydrated sludge ecological nutrient soil with ecological safety and good physicochemical properties is prepared, and resource recycling is facilitated.

The utility model relates to a sewage disinfection system which comprises a sewage disinfection reaction unit, a first monitoring subunit, a disinfectant adding subunit, a second monitoring subunit and a disinfectant control subunit, the first monitoring subunit, the disinfectant adding subunit and the second monitoring subunit are all connected with the sewage disinfection reaction unit and the disinfectant control subunit; and one output end of the disinfectant control subunit is communicated with one input end of the disinfectant adding subunit. The regulation and control system has the beneficial effects that the regulation and control system is simple in composition and convenient to operate, and monitored signals are transmitted to the disinfectant control subunit through the first monitoring subunit, the disinfectant adding subunit and the second monitoring subunit so as to regulate and control the disinfectant adding subunit to disinfect sewage in the sewage disinfection reaction unit; the sewage disinfection effect is indicated through the effluent ORP value, the water quality stability of the sewage disinfection effluent is improved, and the ecological safety of the effluent is guaranteed.

The invention relates to the technical field of soil pollution remediation, and particularly discloses a mineralization stable remediation method for soil heavy metal pollution. The remediation method strictly follows the principle of ecological compatibility of soil, in-situ remediation of farmland soil heavy metal pollution is achieved, and meanwhile the soil fertility can be effectively improved; the construction of a remediation system can be completed by virtue of soil-flora optimization proportion and formation of carbon-based compound bacteria with biochar, and by virtue of the carbon-based compound bacteria, pollution of heavy metals such as arsenic and cadmium in contaminated soil can be well remedied, and the content of organic matters in the soil can be remarkably increased, so that the soil fertility of the soil is improved; the remediation method provided by the invention has both ecological safety and wide applicability, provides a feasible solution for green and sustainable treatment of large-area moderate-light heavy metal polluted farmland, and can be popularized to field soil for application.

The invention relates to the field of insect trapping, in particular to a tomato leaf miner ultraviolet light and sex pheromone synergistic interaction trapping system and application. The method comprises the following step: under a facility cultivation condition, directly applying an ultraviolet lamp and a tomato leaf miner sex lure on the ground. Three different types of traps including a sex trap, an ultraviolet light trap and a synergistic interaction trapping system are directly placed on the ground under the facility cultivation condition, and male and female tomato leaf miner have the strongest tropism on the synergistic interaction trapping system. The daily average total moth trapping amount of male and female insects, the moth trapping amount of male insects and the moth trapping amount of female insects and egg-carrying female insects are all the highest; and in the trapping period of 108 days, the moth trapping efficiency of the synergistic interaction trapping system is always superior, and the ecological safety is also considered while the trapping efficiency is remarkably improved.

The application provides a forest and grassland fire early identification and positioning method based on infrared thermal imaging and visible light fusion, and belongs to the technical field of forest and grassland resource protection and ecological safety monitoring. The method comprises the following steps: synchronously collecting infrared and visible light images and recording the space-time information of a monitoring platform; performing pixel-level registration on the two images; extracting a thermal anomaly suspected area from the infrared image based on a dynamic background temperature field, and extracting a smoke suspected area from the visible light image based on color, texture and motion features; performing spatial correlation analysis on the suspected areas extracted from the two channels, and combining the area growth rate and temperature rise rate of continuous multiple frames to construct a fire evolution model to confirm a fire point; calculating the three-dimensional geographic coordinates of the fire point based on the photogrammetry collinear equation and a digital elevation model; and generating and outputting alarm information containing the three-dimensional coordinates and fire intensity. The application realizes early and accurate identification and positioning of forest and grassland fires, and significantly reduces the false alarm rate.

The invention discloses a multi-class-group ecological safety operation space determination method and system for a large estuary delta and a storage medium. Relates to the technical field of ecological environment protection and wetland resource management. The method comprises the following steps: acquiring multi-source spatio-temporal data of a target estuary delta, preprocessing, constructing a multi-period inning boundary database, analyzing a distance effect, calculating an inning strength index, determining an optimal hysteresis period through hysteresis analysis, constructing three types of accumulation indexes, fitting a response relation curve of the three types of accumulation indexes and biodiversity, and determining the biodiversity of the target estuary delta. Identifying non-linear inflection points on the curve to determine a threshold position; and constructing a biodiversity response surface according to the analysis result, and further identifying the ecological operation space. According to the method, data of multi-stage remote sensing, multi-class biodiversity monitoring and the like and a multi-model joint calculation framework are combined, the lag response, the cumulative effect and the threshold features of the multi-class biocenosis are quantitatively recognized, an ecological safety operation space recognition system is formed, and support can be provided for ecological planning, management and decision making.

The application discloses a black soil basin ecological safety monitoring method and device based on multi-source data fusion, and comprises the following steps: obtaining ecological environment report texts, environmental parameter time series data, structured attribute data and remote sensing image information of a target black soil basin; inputting the remote sensing image information into a pre-trained graph text generation model to obtain ecological environment description texts; performing feature extraction and data fusion on the ecological environment description texts, the ecological environment report texts, the environmental parameter time series data, the structured attribute data and the remote sensing image information to obtain multi-modal fusion data; inputting the multi-modal fusion data into a pre-trained environmental parameter prediction model to obtain predicted environmental parameters of the target black soil basin in a future period; and generating ecological safety early warning information when the predicted environmental parameters exceed a preset safety threshold range. The application improves the accuracy and timeliness of black soil basin ecological safety monitoring and early warning, and can be widely applied to the technical field of ecological environment monitoring.

The application discloses a kind of based on the cultivated land ecological safety comprehensive evaluation method and system of multi-model coupling, which comprises: setting the future multi-source data set of the cultivated land to be evaluated in future time period;Using the grid calculator in ArcGIS software, the grid division is carried out on the cultivated land to be evaluated, a plurality of grid regions are obtained, and the future multi-source data set is divided into grid based on the plurality of grid regions, to obtain the future multi-source sub-data set of each grid region;Using the multi-ecological safety comprehensive evaluation function quantity model that has been constructed, spatial classification method and the ecological safety comprehensive evaluation index calculation formula that is constructed, the future multi-source sub-data set of each grid region is predicted, to obtain the ecological safety comprehensive evaluation index corresponding to each grid region.The application simulates the ecological function of the cultivated land to be evaluated under future scenario by coupling multi-ecological safety comprehensive evaluation function quantity model, to realize the system evaluation of cultivated land ecological function of the cultivated land to be evaluated under future scenario.

The present application relates to the technical field of water ecological early warning, and discloses a mountain city water ecological safety early warning method based on multi-level division, comprising the following steps: step 1, obtaining multi-source heterogeneous spatio-temporal data of a target mountain city; step 2, identifying topographic and geomorphic units through a topographic analysis algorithm; step 3, constructing a three-level stereoscopic spatial data model for mountain city water ecological safety early warning, which comprises a mountain ecological barrier layer, a water system network layer and a city fusion layer; step 4, converting index values into score values; and step 5, using a weighted summation model to calculate early warning values and a comprehensive early warning index at each level according to the score values and mountain adaptability comprehensive weights, determining an early warning level and generating an early warning result. The present application can realize systematic and stereoscopic quantitative evaluation and dynamic early warning of mountain city water ecological safety, and is helpful to improve the accuracy and applicability of evaluation results in complex mountain environments.

The present application relates to the field of data processing technology, and relates to an ecological safety pattern construction system based on a minimum cumulative resistance model, which comprises an ecological data preprocessing and source extraction module, a resistance factor extraction module, a dynamic resistance surface construction module, a cumulative resistance evaluation module, a key ecological element identification module and a safety pattern generation module, and is characterized in that: the ecological source data in a target region is subjected to feature density statistics to obtain an ecological source distribution map; the ecological source distribution map is subjected to inhibition influence analysis to obtain resistance factors; the resistance factors are subjected to spatial data superposition to obtain a dynamic resistance surface; the ecological source distribution map is subjected to spatial diffusion resistance cumulative evaluation to obtain a cumulative resistance surface; the cumulative resistance surface is subjected to key ecological element analysis to obtain ecological corridors and ecological nodes; and the ecological safety pattern of the target region is constructed according to the ecological corridors and the ecological nodes; and the present application can improve the efficiency of the ecological safety pattern construction based on the minimum cumulative resistance model.