Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

296 results about "Habitat" patented technology

In ecology, a habitat is the type of natural environment in which a particular species of organism lives. It is characterized by both physical and biological features. A species' habitat is those places where it can find food, shelter, protection and mates for reproduction.

Vegetation-submerged dike coupled tough coast protection method and system and storage medium

The invention discloses a vegetation-submerged embankment coupled tough coast protection method and system and a storage medium, and the method comprises the steps: firstly, determining a research region, and systematically collecting the near-shore terrain, water and sand power conditions, vegetation parameters and other data; secondly, constructing a water-sand-vegetation coupling numerical simulation model based on the collected data, and performing precision verification on the model; then selecting a suitable vegetation type in combination with environmental characteristics of the research area, carrying out artificial seeding and planting work in a vegetation potential habitat of the tidal flat, and determining a design elevation and an offshore distance of the submerged dike; and finally, evaluating the coast protection effect under the synergistic effect of the submerged embankment and the vegetation, and quantitatively analyzing the improvement degree of the coast protection effect on wave attenuation and beach stability. A sustainable tough coast protection system can be formed under the climate change background through a collaborative protection mechanism integrating natural vegetation and an artificial submerged embankment. The method has the advantages of low cost, remarkable wave reduction effect and the like, and the capability of coping with climate change challenges and comprehensive protection of coastal zones can be effectively improved.
Owner:HOHAI UNIV

Method and system for analyzing ecological quality trend of crested ibis habitat

The invention discloses a crested ibis habitat ecological quality trend analysis method and system, and relates to ecological quality monitoring. The method comprises the following steps: S1, constructing an intelligent sensing network, synchronously obtaining multi-source data of a habitat, identifying activity events of crested ibis, and generating a multi-dimensional habitat parameter table; s2, collecting environmental samples, and generating a microbial functional gene abundance matrix through metagenome sequencing and bioinformatics analysis; s3, taking the activity events of the crested ibis as behavior tags, and generating habitat function health indexes by coupling the parameter table and the matrix training machine learning prediction model; s4, performing spatial interpolation and trend analysis based on the habitat function health index to generate an ecological quality space-time evolution graph; and S5, based on the ecological quality space-time evolution graph, performing quantitative analysis by using a spatial differentiation statistical model, and generating a trend analysis report. By fusing multi-source data, real-time dynamic evaluation of habitat ecological quality and quantitative analysis of driving factors are realized, and a direct decision basis is provided for accurate protection.
Owner:德清县生态林业综合服务中心(德清县湿地和野生动植物保护管理站) +1

River sediment physical habitat evolution identification method, device and system and medium

PendingCN121616949AImage enhancementWater resource protectionWatershed managementHydrometry
The invention provides a river sediment physical habitat evolution identification method, device and system and a medium. The method comprises the following steps: acquiring a multi-temporal remote sensing image and hydrological data (flow Q, water level Zw and slope S), screening and other hydrological condition image pairs; extracting a water surface range, and calculating the average width B of the main groove; deducing the average water depth h by using a Manning formula, and calculating the riverbed elevation zbed by combining the Zw; the difference value delta zbed of zbed in different periods is calculated, and the substrate state is judged according to the difference value delta zbed and a threshold value epsilon; and performing segment processing along the center line to output a spatial distribution result. On-site measurement is not needed by relying on conventional data, and consumption is reduced; water level interference is eliminated through equal hydrological condition matching, and comparability is ensured; water depth inversion and differential analysis directly reflect scour deposition and quantitatively reveal rules; long-distance automatic processing improves space-time coverage capability and precision, and provides a basis for river regulation, ecological restoration and drainage basin management.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION

Dynamic simulation system for cloning plant competition relationship under invasive habitat

The invention discloses a dynamic simulation system for cloning a plant competition relationship under an invasive habitat, and particularly relates to the technical field of environmental protection, and the system comprises the following modules: a habitat space occupation definition module, a neighborhood expansion cost accounting module, an interspecific crisscross zone identification module, a crisscross zone displacement dynamic quantification module, and a community competition steady state determination module. According to the method, space occupation intensity is established based on overground and underground biomass, weighted integration is carried out on a stolon expansion path in combination with soil compactness, physical rejection cost is systematically quantified, the space is used as a competitive resource, growth inhibition of cloned plants under the situation that resources are sufficient but the space is limited is simulated, and the method is suitable for large-scale popularization and application. By calculating the average propulsion speed and the disturbance variance of the boundary line, the system can accurately capture the stagnation, propulsion or local stiffness state of the invasion frontal surface, and provides a judgment basis which is more dynamic for the competition end and is based on the space frontier.
Owner:JIANGSU UNIV

Marine coral reef ecological restoration method based on foamed aluminum base material

The invention relates to the technical field of marine ecological engineering, in particular to a marine coral reef ecological restoration method based on a foamed aluminum base material, which comprises the following steps: preparing a modified foamed aluminum main body structure, constructing a modified bioactive surface layer, filling a modified phase change material capsule, and putting a restoration unit. According to the invention, the foamed aluminum main body structure provides a stable three-dimensional through porous network, and a natural reef habitat environment is simulated; a hydroxyapatite coating or a polymer layer constructed on the surface of the coral bone-imitating material remarkably improves the coral larva attachment and colonization efficiency through coral bone-imitating inorganic components or specific polypeptides respectively; the phase-change material capsules filled inside buffer water temperature fluctuation through phase-change latent heat, a stable micro-thermal environment is provided for coral growth, the functions of all the components are complementary and synergistic, foamed aluminum provides a carrier for surface functionalization, the surface active layer optimizes a biological interface, the internal temperature adjusting unit guarantees ecological suitability, and an efficient repairing system is formed. The coral reef ecological restoration effect is obviously improved.
Owner:ANHUI NEOFOUND TECH

Coastal wetland blue carbon reserve measurement method and system based on habitat perception and missing codes

PendingCN121999399AReduced impact on system performanceImprove adaptabilityCharacter and pattern recognitionGrid cellWetland
The invention discloses a coastal wetland blue carbon reserve measurement method based on habitat perception and missing codes. The method comprises the following steps: obtaining habitat category labels and micrometeorological parameters of a target area; generating a sensor scheduling instruction and a scheduling state code according to the habitat category label and the micrometeorological parameter; active compensation is executed according to the pod attitude change, and a data confidence mark is generated; constructing feature vectors of the grid units; constructing a structural deficiency indication code, jointly inputting the structural deficiency indication code and the feature vector into an inversion model, and outputting a blue carbon reserve prediction value of the target area and a corresponding uncertainty index; when the uncertainty index exceeds a preset threshold value, a recovery strategy is generated, and subsequent flight planning parameters are dynamically corrected; and after the recovery data is updated, repeatedly executing the processes of feature construction, inversion and uncertainty evaluation until the global uncertainty meets a preset requirement. According to the method and the system, the stability and the reliability of a blue carbon reserve space inversion result in a complex coastal wetland environment are improved.
Owner:ZHEJIANG UNIV

Evaluation method for habitat quality influence based on InVEST model

The invention discloses a habitat quality influence assessment method based on an InVEST model. The habitat quality influence assessment method comprises the steps of S1, acquiring land cover classification data and threat factor data of an assessment area; s2, on the basis of the land cover classification data and the threat factor data, a habitat quality spatial distribution diagram of the evaluation area is calculated by using a habitat quality module in an InVEST model; s3, based on the habitat quality spatial distribution map, combining selected driving factor data, and utilizing a geographic detector model to quantitatively analyze the interpretation force of each driving factor on the habitat quality spatial diversity; s4, performing spatial overlay analysis based on the habitat quality spatial distribution map and ecological protection red line range data of the evaluation area; the method has the beneficial effects that the independent interpretation force of multiple driving factors such as natural geography and human activities on the habitat quality spatial diversity is quantitatively revealed by introducing the geography detector model, and the interaction effect between the factors can be further detected.
Owner:辛培源

Method for screening and testing adaptability of indigenous plants by simulating environmental stress conditions

According to the indigenous plant adaptability screening test method simulating the environmental stress condition, the transparent incubator is combined with real-time monitoring equipment such as the high-resolution miniature camera array and the optical fiber sensor, complex laboratory equipment is replaced, and the root system observation problem is solved. The environmental stress condition of a target habitat is accurately simulated, the environmental characteristics of drought, depletion, special soil structure and the like of the high and steep slope are accurately restored by adopting layered matrix and dynamic stress intervention, a systematic evaluation system is established by combining multi-index quantification and a similar analytic hierarchy process, the subjectivity of artificial experience judgment is avoided, and the evaluation accuracy of the high and steep slope is improved. And the scientificity and engineering applicability of indigenous plant screening are remarkably improved.
Owner:CHANGAN UNIV

Insect migration monitoring system and method

An insect monitoring system for luring and capturing insects including a digital camera with dual UV and white LEDs and a processor configured to acquire visual insect data to recognize insect species in conjunction with previously tagged insect groups; and evaluate insect migration and / or dispersion within a habitat range. A method utilizing UV tagging mechanisms for monitoring and predicting insect migration and / or dispersion including providing insect monitoring stations for collecting data indicative of a previously tagged insect groups' presence within a habitat range, providing the data to a server, retrieving previously received data, and determining a change in the data to provide historical, real-time, and predictive information to a user.
Owner:NGUYEN MY T +1

Three-dimensional habitat visibility measurement method fusing ground-based laser radar and air-based laser radar

The invention provides a three-dimensional habitat visibility measurement method fusing ground-based and air-based laser radars, and the method comprises the steps: cutting ground-based laser radar point cloud data based on the sample plot size of a target forest region and the physiological morphological characteristics of a target animal; constructing a three-dimensional voxel model based on an occupancy grid algorithm and the clipped ground-based laser radar point cloud data, tracking a simulated animal sight line in the three-dimensional voxel model, calculating three-dimensional animal habitat visibility, calculating forest three-dimensional structure parameters based on the clipped air-based laser radar point cloud data, and calculating forest three-dimensional structure parameters based on the clipped ground-based laser radar point cloud data. A random forest model is constructed and trained based on the three-dimensional animal habitat visibility and the forest three-dimensional structure parameters, effective forest three-dimensional structure parameters are screened out, the precision of the random forest model is evaluated by adopting evaluation indexes obtained through taimen-taimen cross validation, and an optimal random forest model is obtained. And inputting the effective forest three-dimensional structure parameters into the optimal random forest model to predict the three-dimensional animal habitat visibility.
Owner:AEROSPACE INFORMATION RES INST CAS

A three-dimensional cage device for raising and displaying squirrels and monkeys.

This utility model discloses a three-dimensional cage device for raising and displaying squirrels and monkeys, including a feeding cage, a first resting platform, a second resting platform, a first passageway, a second passageway, a third passageway, and a feeding passageway. The feeding cage is the main habitat for the animals. The first, second, and third passageways are suspended, allowing the animals to move freely within them. Resting platforms are provided within the passageways for the animals to rest temporarily. The device also includes a feeding passageway for visitors to observe, raise, and feed the animals, thereby increasing interactivity. This design solves the problem of limited space in traditional single-cell cages; it not only increases the explorable three-dimensional space, allowing squirrels / monkeys to run, chase, and climb, satisfying their naturally high activity levels, but also avoids the limitations and monotony of traditional cage-based activity spaces. Furthermore, it addresses the key shortcomings of traditional display methods in terms of interactivity.
Owner:GUANGZHOU ZOO (BRANDED AS GUANGZHOU WILDLIFE RES CENT)

Shallow lake underwater forest modularized inhabitation unit and water function improving method thereof

The invention relates to the technical field of water environment treatment and lake ecological restoration, and solves the technical problems that in the prior art, an underwater forest shadow area cannot be stably constructed, purification and inhabitation functions cannot be flexibly configured, and engineering quantitative design and long-term optimization cannot be achieved. In particular to a shallow lake underwater forest modularization inhabitation unit and a water function improving method thereof. The inhabitation unit is composed of a hollow hexagonal bottom bearing and anchoring base, a three-dimensional supporting framework, a plant inhabitation layer and an ecological function core block, and an inclined water-permeable wave blocking wing plate is arranged on the head wave side of the bottom bearing and anchoring base; an open grating structure with high aperture ratio is arranged on the back wave side, a dephosphorization, denitrification and inhabitation enhancing core block can be inserted and pulled out in the open grating structure, submerged plants are planted in a plurality of layers of planting baskets at the upper part, and a three-dimensional aquatic vegetation zone with directional hydrodynamic force regulation and control is formed. The shallow lake underwater forest can be stably constructed under the stormy wave condition, the water function is remarkably improved, and engineering construction of the shallow lake underwater forest and quantitative improvement of the water function are achieved.
Owner:ANQING NORMAL UNIV

Biological control device and pest control system thereof

The utility model relates to pest prevention and control technical field more specifically, relate to a biological control device and pest control system thereof, the biological control device among them includes pipeline, first carry bacteria device, nest board, light shield and tray, is equipped with the mouth on the pipeline, first carry bacteria device is connected in one end of the pipeline, light shield, nest board and tray all are set in the pipeline and are connected with the pipeline, light shield cover is established in the tray and is surrounded into movable cavity between both, nest board is located in movable cavity, the inner chamber of pipeline communicates with movable cavity through the mouth. The utility model overcomes the deficiency that the long-term stable prevention and control effect is difficult to form due to the fact that ants are prone to migrate in the prior art, by providing stable and comfortable habitat and nest building place for ants, ants in nature can be attracted to nest and settle in movable cavity, which is conducive to increasing the frequency and time of contact between ants and the first bacteria carrying device, thereby more effectively carrying and spreading insecticidal microorganisms, forming a long-term stable prevention and control effect.
Owner:GUANGDONG POLYTECHNIC OF ENVIRONMENTAL PROTECTION ENG

Coarse-stem high-yield caulis spatholobi germplasm screening and breeding method suitable for under-forest habitat

The invention discloses a thick-stem high-yield caulis spatholobi germplasm screening and breeding method suitable for an under-forest habitat. According to the method, a standardized under-forest cultivation system is constructed, spiral winding induction synergistically mediated by plant morphology and plant hormones is implemented, lignification development of stems is enhanced by applying mild mechanical stress with specific parameters, rhizosphere microorganism regulation and systematic nutrition management are synchronously combined, and the yield of the stems is increased. And finally, a multi-dimensional comprehensive evaluation system covering the stem shape, the wood density, the active ingredient content and the under-forest weak light adaptability is established, so that an integrated technical scheme for efficiently and accurately breeding the excellent caulis spatholobi germplasm with thick stem phenotype, high flavone accumulation and strong under-forest weak light tolerance from a large number of candidate germplasm is realized.
Owner:GUANGXI FORESTRY RES INST

Method for quantifying density of surface soil habitat soil arthropods based on trap method

PendingCN122030338AAnimal husbandrySoil ecologySoil science
The invention relates to the technical field of soil ecology, and particularly discloses a method for quantifying the density of topsoil habitat soil arthropods based on a trap method.The method comprises the following steps that S1, trap method sampling is conducted, specifically, when a soil arthropod sample is collected, a soil auger is used for digging out a trap, a trap cup containing preserving fluid is placed in the trap for soil animal investigation, and the soil arthropod sample is collected; the time duration is one week which is used most widely in the literature; s2, sampling by a digging method: when a soil arthropod sample is collected, placing a prepared sampling frame of one square meter on sampling soil, digging and collecting soil animals with the depth of 10cm in the sampling frame, picking large arthropods by using a hand picking method, and separating medium soil animals such as springtails, mites and insects by using a dry funnel method. According to the method for quantifying the density of the surface soil habitat soil arthropods based on the trap method, the actual soil excavation area can be reduced to the maximum extent, the damage to the soil structure of a sampling field is reduced, and the possibility is provided for long-term experiments.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S

Suspension type ecological bank protection device on hard bank protection foundation

The utility model discloses a suspension type ecological bank protection device on a hard bank protection foundation, which comprises a protection device and a fixed connecting device, the protection device is laid on a bank protection in a matrix mode, plants can be planted on the protection device, and the fixed connecting device is used for fixedly connecting the protection device. The ecological reinforcing block is very suitable for being used in a hard revetment side slope ecological restoration area, especially in a hard revetment and an area which integrally meets the existing function requirement, the ecological reinforcing block is used for ecologicalization of the hard revetment, and the ecological reinforcing block has the advantages of meeting the ecological requirement, being simple in structure, free of excavation, convenient to operate, high in adaptive capacity and the like. Meanwhile, water and soil loss of the slope protection is reduced through the ecological environment protection effect of the ecological reinforcing blocks; the method is suitable for urban river channels, an ecological protection face can be formed on the surface of the vertical concrete slope protection, buffering conditions are provided for river channel surface scouring, meanwhile, a good habitat and ecological environment are built, and a certain benefit is also achieved for river channel water purification.
Owner:SHANGHAI MUNICIPAL ENG DESIGN INST (GRP) CO LTD

System and method for aquatic ecosystem assessment based on coupled mechanism models of aquatic habitats

The present application relates to the technical field of ecological environment, in particular to a water ecological system evaluation system and method based on a water habitat coupling mechanism model. The technical problem is to integrate key ecological mechanisms while maintaining high computational efficiency. The system includes: an input layer that receives measured data related to the water environment of the target water habitat; a configuration layer that selects several indicators from the geographic indicators, hydrological indicators, hydrodynamic indicators and meteorological indicators input by the input layer, and configures multiple different environmental factors; key ecological processes are integrated through selective mechanism coupling, and interspecific competition factors are configured for algae and biological interaction factors are configured for fish; the simulation layer uses a differential evolution algorithm to automatically calibrate and optimize the parameters configured by the configuration layer; obtain the spatial and temporal changes of aquatic plants, algae and fish; the output layer outputs the spatial distribution results of the three species of aquatic plants, algae and fish, and provides suggestions for scenario analysis results and environmental economic balance decision-making.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI

Living environment construction simulation system and method for ecologically restoring difficult site conditions

The invention relates to the technical field of ecological restoration, and discloses a habitat construction simulation system and method for ecologically restoring difficult site conditions. The method comprises the following steps: acquiring an original environment monitoring data set under the condition of difficult ecological restoration site; performing data cleaning and standardization operation on the data set to generate a regular environmental data sequence; splitting the sequence into a plurality of continuous time sequence fragments; deriving a multi-dimensional characteristic index for each time sequence fragment, and clustering and grouping the time sequence fragments by using the indexes to generate a habitat category set; analyzing the evolution trajectory and interaction of the habitat category set; exporting ecological dynamic parameters from the evolution trajectory and the interaction, and calculating a habitat quality evaluation value in combination with the ecological dynamic parameters and a preset threshold value; and configuring habitat construction simulation parameters according to the habitat quality evaluation value. According to the method, quantitative analysis and simulation prediction of the habitat evolution rule under the difficult site condition are realized, and scientific basis and technical support are provided for ecological restoration engineering.
Owner:CHONGQING HUADI RESOURCES ENVIRONMENT TECH CO LTD

Perching frame for laying hen breeding

The utility model relates to the technical field of laying hen breeding, in particular to an inhabiting frame for laying hen breeding, which comprises two cross rods which are distributed in parallel and fixed with each other, four supporting rods are respectively and rotatably arranged below the corresponding cross rods in pairs, and first screws are arranged between the supporting rods and the cross rods in a threaded mode. Each inhabiting assembly comprises a threaded cylinder and a threaded rod which are in threaded installation, the cross rod and the supporting rod are rotationally installed and are limited and fixed in a first screw tightening mode, and therefore the height of the cross rod and the inclination angle of the supporting rod can be conveniently adjusted, and laying hens short in period can conveniently and smoothly stand on the inhabiting device; limiting and fixing are carried out after the positions of the threaded cylinders and the threaded rods are conveniently adjusted, namely, the distance between every two adjacent inhabiting assemblies is conveniently adjusted, laying hens with the long growth period cannot be mutually squeezed due to the too small distance, the laying hens can comfortably inhabit, and the laying hen inhabiting device has the advantages of being high in adjusting capacity and good in using effect.
Owner:HUBEI ZHONGYUNLE AGRI & ANIMAL HUSBANDRY TECH CO LTD

Domestication and cultivation method of wild centipeda minima

PendingCN122439569ABiotechnologyMedicinal herbs
The application discloses a wild hundred-petal grass domestication cultivation method and particularly relates to the field of wild plant cultivation technology, and comprises the following steps: step one, wild resource investigation and conservation, resource investigation is conducted on wild populations of hundred-petal grass, accompanying plants, original habitat types, soil conditions, illumination conditions, humidity conditions and distribution characteristics are recorded, germplasm resources of different populations are synchronously collected, including seeds and rhizomes, and the collected samples are numbered, stored in different zones and registered in traits, a seedling test area and a germplasm resource basic file are established, and basis is provided for subsequent directional domestication. The application improves seed germination rate and seedling uniformity, also improves transplanting survival rate and field adaptability, realizes wild resource protection and sustainable utilization, constructs an ecological planting mode suitable for local climate, improves stability and controllability of medicinal material quality, reduces chemical input and meets green development requirements.
Owner:NINGXIA YONGJIE TRADITIONAL CHINESE MEDICINE PLANTING CO LTD

Slope type ecological slope protection structure

The utility model relates to the technical field of slope protection structures, in particular to a slope type ecological slope protection structure which is characterized in that a base block and a cover block are oppositely arranged, guide beams are arranged between the base block and the cover block in parallel, and the two ends of each guide beam are fixedly connected with the base block and the cover block respectively; the adjacent guide beams, base blocks and cover blocks form a frame, the area, close to the base blocks, of the frame is an ecological area, and the area, close to the cover blocks, of the frame is a bank protection area. A plurality of ecological blocks are arranged in the ecological area from low to high, and a plurality of bank protection blocks are arranged in the bank protection area from low to high; the ecological block comprises an outer wall, the outer wall protrudes towards the side deviating from the guide beam, so that an ecological cavity is formed in the side, facing the guide beam, of the ecological block, an inlet hole is formed in the outer wall, opening holes are formed in the periphery of the inlet hole, and the inlet hole and the opening holes are communicated with the ecological cavity. The ecological blocks with the ecological cavities are designed, and the ecological blocks are communicated with the environment, so that the inhabitation space of aquatic animals in non-flood seasons is guaranteed, and the inhabitation space of aquatic animals in high water level in flood seasons is also guaranteed.
Owner:POWERCHINA HUADONG ENG CORP LTD

An egg laying site suitability calculation method considering hatching ability

This invention discloses a method for calculating spawning ground suitability that takes into account hatching capacity. Based on the habitat factor suitability curve for fish spawning periods, the method calculates the spawning ground suitability during the spawning period. Then, considering the time required for egg drift and hatching, it calculates the drift and hatching period suitability. The combined method yields a comprehensive spawning ground suitability that balances hatching capacity. This method comprehensively considers both habitat factors during the spawning period and the time required for drift and hatching, resulting in a spawning ground suitability that better meets the needs of fish spawning and hatching. It considers not only the requirements for water depth, flow velocity, and water temperature during the spawning period but also the requirements for water flow velocity and drift distance for egg drift and hatching after spawning. This method is of great significance for more scientifically guiding the selection of spawning ground restoration locations.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION

Rare fish nondestructive monitoring method and system based on water body eDNA sample recognition

The invention relates to the technical field of fish monitoring, in particular to a rare fish nondestructive monitoring method and system based on water eDNA sample recognition. A hotspot model is constructed through historical eDNA sampling distribution, sampling hotspot transfer prediction is achieved, and the optimal sampling point position is determined; high-throughput sequencing and a base sequence recognition decision tree are combined, the sequence rare degree is judged, and valuable and rare fishes are retrieved; further coupling the water flow dynamic model and the eDNA migration state space model, and tracing the potential migration area or inhabitation area of the rare fish; and a dynamic population community graph is constructed based on the time sequence community change, and the seasonal scale trend is analyzed. According to the method, accurate nondestructive monitoring of seasonal distribution rules and community structure trends of the rare fishes is realized on the basis of efficient collection and accurate identification of the eDNA of the water body, and a reliable scientific basis is provided for resource protection of the rare fishes in different water areas.
Owner:PEARL RIVER WATER RESOURCES PROTECTION INST +1

Ecological environment detection method and device based on multi-source data and storage medium

The invention relates to the technical field of data processing, in particular to an ecological environment detection method and device based on multi-source data and a storage medium, and the method comprises the steps: collecting spatial distribution parameters and environmental stress parameters; constructing an intrusion space index based on the target plaque area and the target plaque boundary perimeter; constructing a habitat stress index according to the daily average submerging duration and the soil salinity of the root system layer; constructing a diffusion risk factor according to the plaque area of the associated region of the target plaque, constructing a risk index based on the diffusion risk factor, the intrusion space index and the habitat stress index, and constructing a plaque treatment priority; and constructing an adjustment coefficient according to the canopy temperature daily difference, constructing an update coefficient according to the seed removal rate and the adjustment coefficient, and updating the plaque treatment priority based on the update coefficient and the target plaque area. According to the method, accurate diagnosis, risk early warning and scientific sorting of treatment priorities of the spartina alterniflora invasion situation are realized.
Owner:ZHEJIANG ZEYI TESTING TECHNOLOGY CO LTD

A method for investigating lithofacies intertidal sessile organisms based on visual modeling

ActiveCN121170163BGeographical information databasesEcological modellingOrganism
The application discloses a facies intertidal zone sessile organism investigation method based on visual modeling, first, the low tide period of spring tide day is determined in combination with the data of the tidal station, the orthographic image and three-dimensional model of the investigation area are acquired by using the RTK unmanned aerial vehicle, the accurate investigation range is demarcated and the entry and exit paths are planned through the geographic information system processing. The slope parameters are calculated by using the digital land surface model and the personnel equipment configuration is optimized, the ground control points are laid on the site, and the geodetic coordinate system reference is established. The double route oblique photography mode is adopted, the image shooting sampling is carried out at a 45-degree visual angle, a 0.4m object distance and a 70% image overlap rate, the high-precision three-dimensional ecological model is generated through the point cloud reconstruction in combination with the morphological identification result of the species, and the parameters such as the habitat density, interspecific competition and light adaptability of the sessile organism are efficiently investigated.
Owner:SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI

High-altitude mine restoration method and system

The invention discloses a high-altitude mine restoration method and system, and the method comprises the following steps: site grading pretreatment: surveying and detecting a high-altitude mine wasteland, dividing the site into regions of different grades according to the ecological damage degree, and carrying out the differentiated engineering pretreatment on the regions of different grades; multi-dimensional biological habitat construction is conducted, and a multi-layer biological habitat structure composed of a surface layer, a shrub and grass layer, an arbor layer and a water source layer is built in the remediation site; and finally, dynamic monitoring and adaptive maintenance are conducted, wherein ecological parameters of the restoration site are periodically monitored. By constructing the multi-dimensional biological habitat, the limitation of heavy vegetation and light animals in the existing remediation technology is broken through, living space is provided for insects, birds and other organisms, the food chain and nutrient circulation of the ecological system are perfected, and the constructed ecological system has self-maintaining capacity and is not prone to secondary degradation.
Owner:LIAONING TECHNICAL UNIVERSITY

Artificial hatching method for green peacocks

PendingCN121667162AAnimal husbandryGreen peafowlMating
The invention relates to the technical field of artificial breeding of wild animals, in particular to an artificial hatching method for green peacocks. The method mainly comprises the steps of breeding cage building, parent selection and matching, hatching egg management, hatching environment control, embryonic development monitoring, hatching management and brooding management modules, and the hatching rate and the nestling survival rate are remarkably increased by simulating the native habitat environment, optimizing the hatching egg treatment process, precisely regulating and controlling hatching parameters and conducting brooding management in stages. According to the method, parents are screened by adopting a molecular marker technology, inbreeding mating is avoided, and the problem of embryo heat stress is relieved by innovatively combining egg cooling operation. The system is suitable for protecting endangered wild animals and provides a reference example for artificial breeding of rare pheasants.
Owner:云南森林自然中心