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55 results about "Forest vegetation" patented technology

The vegetation of temperate deciduous forest includes a variety of broadleaf trees (such as oak, beech, cherry, maple, and hickory) as well as various shrubs, perennial herbs, mosses, and mushrooms. Temperate deciduous forests occur and mid-latitudes, between the polar regions and the tropics.

Forest vegetation carbon sink potential prediction system and method based on forest growth law

The invention discloses a forest vegetation carbon sink potential prediction system and method based on a forest growth rule, and belongs to the technical field of carbon sink potential prediction. The invention aims to solve the problem of dynamic response to forest carbon sink potential and long-term environmental climate change. The method comprises the steps of collecting data, establishing model construction, verifying a data set and a data set for model calculation and carbon sink potential evaluation, wherein the data set for model calculation and carbon sink potential evaluation comprises forest basic data and forest environment data; performing data processing; constructing a forest vegetation biomass model for predicting biomass growth of forest vegetation; evaluating the fitting result by adopting a root mean square error RMSE and a determination coefficient R2 to obtain a verified forest vegetation biomass model; and performing forest vegetation biomass growth prediction by using the verified forest vegetation biomass model, and performing forest vegetation carbon sink potential prediction according to an obtained forest vegetation biomass growth prediction result to obtain a forest vegetation carbon sink potential prediction result.
Owner:HARBIN NORTHEAST FORESTRY UNIVERSITY ASSET MANAGEMENT CO LTD +2

Forest volume dynamic exploration system and method based on unmanned aerial vehicle multispectral fusion

The invention specifically relates to a forest stock dynamic exploration system and method based on unmanned aerial vehicle multispectral fusion, and relates to the technical field of forest resource monitoring. A data preprocessing module; a feature extraction module; a model construction and estimation module; and a result output and visualization module. According to the method, a multi-dimensional data fusion and dynamic calibration mechanism changes the limitation of a traditional fixed soil regulation coefficient; when the soil regulation coefficient is obtained, four core factors of soil type, terrain illumination, soil humidity and texture partition distance are comprehensively considered; interference of different soil backgrounds, terrain illumination and humidity changes on vegetation index calculation is effectively eliminated, the enhanced vegetation index can reflect the coverage and health condition of forest vegetation more truly, a high-precision data basis is provided for subsequent forest stock estimation based on the vegetation index, and compared with a traditional method, the method has the advantage that the method is more accurate. And the data accuracy and reliability are improved.
Owner:SHANDONG KUNJIN SURVEYING & MAPPING CO LTD

Adaptive suppression method and system for radar echo signal filtering noise

The invention relates to the technical field of radar echo denoising, in particular to a radar echo signal filtering noise self-adaptive suppression method and a radar echo signal filtering noise self-adaptive suppression system. Acquiring radar station position and beam pointing data, and synchronously acquiring forest vegetation data and environment interference data of a beam pointing target area to form radar environment data; the radar environment data are identified through the multi-band decision model, and multi-modal waveform parameters are obtained; based on the multi-modal waveform parameters, radar equipment is controlled to perform periodic detection on the target area, and radar echo data are obtained; the method comprises the steps of identifying radar echo data and radar environment data, extracting dynamic spectrum characteristics in the radar echo data, performing clutter suppression processing on the dynamic spectrum characteristics by using the radar environment data, calculating the confidence probability that an early fire exists in a target area, and executing space-time consistency joint verification; according to the invention, fire early warning is carried out through the confidence probability of the fire.
Owner:NANJING YAOGUANG ELECTRONIC TECH CO LTD

Method for identifying and treating preferential treatment area of water and soil loss of slope surface of small watershed in hilly area

The invention discloses an identification and treatment method for a water and soil loss priority treatment area of a small watershed slope in a hilly area. The method comprises the following steps: calculating a small watershed soil erosion modulus and a sediment connectivity index, and carrying out geospatial modeling to form a soil erosion and connectivity partition identification priority treatment area; determining the land utilization type and terrain status of water and soil loss, and dividing functional zones from the spatial angles of an upper slope, a middle slope and a lower slope; a water and soil conservation forest is built in a forest and grass vegetation area on the slope or an abandoned cultivated land above a reclamation prohibition slope and a water and soil loss treatment area on the barren mountain and slope according to the principle of suitable land and suitable trees, and water and soil loss is prevented and controlled through natural restoration; water and soil loss prevention and control measures of slope land reclamation-hydrological network optimization and node control-grassland soil fixation and fertility increasing are adopted in a slope water and soil loss treatment area below the reclamation forbidding gradient in the slope; the slope bottom is provided with a plant filter belt, a tail end grit chamber and an ecological ditch measure for desilting and pollution reduction; the problem that a water and soil conservation treatment system in a small watershed is low in treatment degree is solved.
Owner:BEIJING FORESTRY UNIVERSITY

Forest vegetation health index construction and diagnosis method based on multi-source remote sensing data

The invention discloses a forest vegetation health index construction and diagnosis method based on multi-source remote sensing data, and the method achieves the fusion of a feature level and a decision level of data through selecting sample plots containing different health levels, collecting the multi-source remote sensing data of a satellite, an unmanned plane and a ground sensor, and constructing a multi-source data fusion network. Indexes reflecting forest health are extracted from the fused data, a hierarchical clustering method is adopted for screening and standardization processing, a health index model is constructed, and a machine learning algorithm is utilized for optimizing the weight. And finally, calculating a forest health index based on the optimized model, dividing health levels, and generating a forest health level distribution map. The method is suitable for large-area forest vegetation health diagnosis, has the characteristics of high efficiency, accuracy and comprehensiveness, can remarkably improve the scientificity and rationality of forest health monitoring, and can be expanded and applied to the fields of fire / insect pest early warning, carbon sink evaluation and the like.
Owner:NORTHWEST A & F UNIV

Real-time forest vegetation parameter monitoring method based on unmanned aerial vehicle image

The invention relates to the technical field of forest vegetation monitoring, in particular to a forest vegetation parameter real-time monitoring method based on unmanned aerial vehicle images, which comprises the following steps: starting an unmanned aerial vehicle, carrying out real-time image acquisition on a predetermined forest area through a camera, carrying out continuous image capture, synchronously calibrating the camera and setting matched differentiated illumination and depth-of-field conditions; and generating forest image acquisition data. According to the method, the chlorophyll concentration and the leaf area index can be accurately measured through analysis of different color wavelength reflectance, the understanding and tracking precision of the vegetation physiological state is improved, long-term vegetation changes can be carefully monitored through time sequence analysis, the prediction capacity of forest ecological behaviors is enhanced, and the method is suitable for popularization and application. Drought response and pest and disease damage signs are monitored in real time, the timeliness and accuracy of health state evaluation are enhanced, the real-time performance and continuity of data are ensured by dynamically updating a forest vegetation database, and the dynamic monitoring and decision support capacity of forest management is remarkably improved.
Owner:GUANGZHOU INST OF FORESTRY & LANDSCAPE ARCHITECTURE

Forest underlying surface earth surface evapotranspiration estimation and component segmentation method based on kNDVI

The invention belongs to the technical field of ecological hydrology, and particularly discloses a forest underlying surface earth surface evapotranspiration estimation and component segmentation method based on kNDVI. According to the method, based on a maximum entropy increase model, under the constraint of a surface energy balance equation, the surface state parameters of a forest vegetation-free area are used for resolving to obtain the soil evaporation capacity of the bare soil; on the basis of a maximum entropy increase model, under the constraint of a canopy energy balance equation, the vegetation transpiration amount is obtained through calculation according to the canopy state parameters of the forest vegetation coverage area; calculating the canopy interception evaporation capacity according to the leaf area index and the rainfall capacity of the forest vegetation coverage area; and finally, based on the kNDVI index, carrying out weighted summation on the bare soil evaporation amount, the vegetation evaporation amount and the canopy interception evaporation amount in the forest to obtain the total evapotranspiration of the underlying surface of the forest. Compared with an existing evapotranspiration estimation model, the forest underlying surface earth surface evapotranspiration estimation method is lower in complexity and higher in estimation precision.
Owner:HUAZHONG UNIV OF SCI & TECH

Under-forest raising goose ecological circulation breeding system

The application discloses an under-forest goose breeding ecological circulation planting and breeding system, which comprises a first iron fence, fixing columns, double doors, a door frame, an opening and closing mechanism, a water storage tank, a dropper, a water receiving tank, a fixing plate, a fence, a second iron fence and a fixing shaft, the first iron fence and the second iron fence respectively enclose two planting and breeding circles, and a plurality of fixing columns are evenly arranged on the inner sides of the first iron fence and the second iron fence respectively. The application adopts the mode of breeding geese under fruit trees, uses goose excrement as fertilizer for fruit trees, and provides food for geese with the under-forest vegetation, which is beneficial to saving breeding cost, simultaneously producing fruits and geese, and improving breeding economic benefits. Meanwhile, the double-circle design is adopted, which avoids excessive damage to the vegetation caused by excessive grazing, and is beneficial to realizing sustainable breeding. Through the setting of the opening and closing mechanism, the double doors are automatically opened and closed to the two sides, and manual opening and closing of the doors is not needed, thereby improving work efficiency.
Owner:ZHUZHOU SHUNFENG AGRI TECH CO LTD

Extreme climate prediction method based on large warm period weighted FWI index and application

The invention belongs to the technical field of forest fire monitoring and early warning, and particularly relates to an extreme climate prediction method based on a large warm period weighted FWI index and application. According to the specific technical scheme, the method comprises the following steps: acquiring climate data of a great warm period, and calculating FWI index components in each time period according to the climate data of the great warm period; the method comprises the following steps: acquiring forest vegetation data and topographic data by utilizing satellite remote sensing, performing space matching on the forest vegetation data and the topographic data, and calculating a vegetation-topographic collaborative weight factor; calculating a weighted FWI index based on the vegetation-terrain collaborative weight factor; and analyzing the relationship between the weighted FWI index and the occurrence frequency, intensity and duration of the extreme climate event by adopting a time sequence analysis method and a space analysis method, and visualizing the analysis result. The application blank of vegetation and topographic factors in large warm period FWI calculation is filled, so that the scientificity and accuracy of extreme climate prediction are improved.
Owner:NANJING TECH UNIV

Method for measuring leaf area index of litter

The invention discloses a litter leaf area index determination method, the proposed litter leaf area index has the same meaning as a vegetation leaf area index, can participate in related operation as the vegetation leaf area index, and can bring litters into a vegetation investigation system; the index is the number of covering layers of leaves on the earth surface, and the measuring and calculating method comprises the steps that the total spreading area of litter leaves on the unit area of the earth surface is established, and a litter leaf area index estimation model of forest lands such as needle-leaved, broad-leaved and needle-broad mixed forests is established by establishing the power exponent relation between the total spreading area and the dry weight of the litters in the unit area. Therefore, litter unit area dry weight index meaning conversion is achieved, and the method has better adaptive capacity in forest land vegetation investigation.
Owner:PEARL RIVER HYDRAULIC RES INST OF PEARL RIVER WATER RESOURCES COMMISSION

Image data acquisition method and device based on unattended intelligent airport

The invention discloses an image data acquisition method and device based on an unattended intelligent airport, and relates to the technical field of image data processing.The method comprises the steps that forest image data are acquired based on the unattended intelligent airport, the unattended intelligent airport selects a forest area meeting preset mountain forest conditions, and the selected forest area is selected as a forest area; the unattended intelligent airport is used for taking off, landing and parking a predetermined type of unmanned aerial vehicle, and the predetermined mountain forest conditions comprise that the height fall of a mountain land is greater than a preset fall threshold value, the forest vegetation coverage rate is higher than a preset coverage rate threshold value, and the number of roads in a forest is lower than a preset number threshold value; and analyzing the preprocessed forest image data by adopting a pre-trained machine learning model, identifying a forest resource state, and displaying the forest resource state on a terminal screen. The technical problems that image resource analysis is difficult to carry out on an unattended intelligent airport system in a severe environment and the operation efficiency is low in the prior art are solved.
Owner:CHINA TOWER CO LTD

Multifunctional movable poultry breeding device under forest

ActiveCN224386478Uavoid prolonged concentrationtimely replacementBird housingsFisheryDomestic bird
The utility model discloses an under-forest multifunctional movable poultry breeding device, including the henhouse, and the henhouse includes the egg production area, the habitat area, the feeding area and the movable cage, and the henhouse bottom is provided with the bottom plate, and the bottom plate lower surface is provided with a plurality of moving wheels, and the bottom plate top is provided with the mesh, and the mesh and the bottom plate between sliding insertion have the excrement receiving tray, and the habitat area is provided with a plurality of habitat racks, and the habitat area top is provided with the supporting plate, and the supporting plate upper surface is provided with a plurality of egg production nests, and the mesh upper surface of feeding area is provided with the trough and the water tank respectively, and the feeding area one end surface is provided with the sliding door. The utility model discloses through setting up the pull rod and the moving wheel, can realize flexible movement, avoid poultry long -term concentration in the same area activity, can replace the site in time, protect under-forest vegetation and soil structure, maintain the ecological balance, set up the excrement receiving tray, and the excrement receiving tray lets the staff can daily unified collection excrement, avoid excrement pollution breeding environment, and the cleaning process need not frequently enter the henhouse, and the time and energy are saved.
Owner:北京市昌平区畜牧水产技术推广站

A method for estimating total primary productivity of pantropical forest vegetation depending on leaf age by remote sensing

ActiveCN120975404BResourcesPrimary productivityForest vegetation
The present application relates to the technical field of remote sensing, in particular to a method for estimating total primary productivity of pantropical forest vegetation depending on leaf age, which comprises obtaining a weather basic data set and a leaf age-based vegetation leaf area index data set, grouping current leaves according to leaf age, including new leaves, mature leaves and old leaves, obtaining the maximum light energy utilization rate of all leaves, and outputting the final productivity through a remote sensing estimation model of total primary productivity. The present application considers the regulation of leaf phenology on canopy photosynthesis, distinguishes the photosynthetic capacity difference between leaf age components, and constructs a remote sensing estimation method suitable for total primary productivity of pantropical forest vegetation, so as to improve the simulation accuracy of total primary productivity of pantropical forest vegetation, and help to accurately monitor the evolution trend of photosynthesis of pantropical forest under climate change.
Owner:SUN YAT SEN UNIV

Forest vegetation detection method and system based on unmanned aerial vehicle

The invention relates to the technical field of image detection, in particular to a forest vegetation detection method and system based on an unmanned aerial vehicle, and the method comprises the steps: obtaining an RGB image of a forest region in real time through the unmanned aerial vehicle, and carrying out the preprocessing; constructing a comprehensive feature index of an image block in the image, wherein the comprehensive feature index is used for representing a comprehensive feature expression condition of the image block under different illumination influences; adaptively setting a contrast limit threshold value of each image block according to the comprehensive feature index, and performing local enhancement by adopting a CLAHE algorithm; rotten and dead wood detection model training is carried out on the enhanced RGB image so as to identify rotten and dead wood in the RGB image acquired by the unmanned aerial vehicle; and deploying the trained model to the unmanned aerial vehicle for real-time detection and position feedback. According to the method, the image is effectively enhanced according to the distinguishing features of the decayed dead wood in different blocks and the background surface soil in the image, and the accuracy of subsequent forest vegetation detection and recognition is improved.
Owner:QINGDAO UNIV OF SCI & TECH +1

Program, information processing device, method, and system

Achieve greater efficiency and sophistication in forest management operations. [Solution] A program to be executed by a computer having a processor, which causes the processor to perform the following steps: acquiring status information indicating the state of the forest at a specified time from multiple information sources; organizing the acquired status information in chronological order using identification information that uniquely identifies specific areas within the forest geographically as a common key, and storing it in a database as historical information; analyzing time-series changes in the satellite data included in the historical information, and extracting areas of change where vegetation in the forest has changed; and comparing the extracted changed areas with ground record data included in the historical information, and calculating the priority of visiting the forest for on-site inspection based on whether or not there is ground record data corresponding to the changed areas.
Owner:ARCHEDA INC

Man-made forest thinning device

The invention provides a man-made forest thinning device, which relates to the technical field of tree felling and comprises a load-carrying remote control car, a climbing mechanism, a multi-stage grabbing mechanism, a cutting mechanism and a remote controller, the load remote control car is provided with a butt joint part, and the climbing mechanism is detachably connected with the butt joint part; the multi-stage grabbing mechanism is arranged on the climbing mechanism; the cutting mechanism is arranged on the climbing mechanism; a controller is arranged on the load remote control car, and the controller is in communication connection with the load remote control car, the climbing mechanism, the multi-stage grabbing mechanism and the cutting mechanism. According to the device, the load-carrying remote control car carries out bearing movement in a man-made forest, damage to an under-forest vegetation structure in the moving process is reduced, through cooperation of the climbing mechanism, the multi-stage grabbing mechanism and the cutting mechanism, a target tree is gradually cut and decomposed, and the cut and decomposed trunks and branches are stably placed on the ground; damage to nearby reserved trees and under-forest vegetation caused by whole plant toppling is avoided, and high-quality thinning of the man-made forest is achieved.
Owner:内蒙古自治区林业和草原监测规划院

A method and system for detecting forest vegetation diseases and pests based on unmanned aerial vehicles (UAVs)

This application relates to the field of computer vision technology and provides a method for detecting forest vegetation diseases and pests based on unmanned aerial vehicles (UAVs). The method includes: acquiring forest disease and pest images using a UAV; preprocessing the images to generate an initial input feature map; performing feature enhancement on the initial input feature map to obtain a first feature map; performing saliency gate calibration and feature encoding on the first feature map to generate a multi-scale fusion feature map; performing multi-level fusion on the multi-scale fusion feature map to obtain first feature maps of different scales; and performing reparameterized large kernel convolution on each first feature map to output a target feature map, which can locate small disease and pest areas. This application introduces targeted improvements to the YOLO11 model at each processing stage to generate an MDFR-YOLO model, thereby enhancing the network's ability to detect forest vegetation diseases and pests in complex backgrounds.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY

A forest vegetation detection method and system based on a UAV

The present application relates to the technical field of forest detection, and specifically discloses a forest vegetation detection method and system based on a UAV, which collects visible light images, spectral images and radar data of a forest area through a UAV carrying a visible light camera, a spectral camera and a radar, constructs a three-dimensional model of a tree based on the radar data, determines tree crown data and tree species of the tree based on the visible light images and the spectral images, and determines the volume, biomass and carbon storage of the tree based on the three-dimensional model, the tree species and the tree crown data, so as to calculate the total volume, total biomass and total carbon storage of all trees in the target forest area, without manually inspecting and sampling tree data, thereby shortening the time consumption of forest detection, improving the detection efficiency, and calculating the volume, biomass and carbon storage of each tree through single-tree modeling combined with visible light images and spectral images, and then summing up the total volume, total biomass and total carbon storage of the entire target forest area, so that the detection result is more accurate.
Owner:GUANGZHOU SHUANGMU FORESTRY CO LTD

Forest aboveground biomass remote sensing measurement method based on improved boruta algorithm

The present application relates to forest aboveground biomass measurement, specifically relates to a kind of forest aboveground biomass remote sensing measurement method based on improved Boruta algorithm, improved Boruta algorithm's forest aboveground biomass remote sensing measurement method, it is characterized in that, the method includes the following steps: (1) selecting the remote sensing image data of the region to be measured and data pretreatment;(2) design improved Boruta algorithm;(3) SVR model is established using improved Boruta algorithm;(4) the forest aboveground biomass of the region to be measured is measured using model, the precision of the present application is higher, the AGB distribution condition measured and the actual surveying research ground topography and forest vegetation distribution condition basically coincide, provide a new method for forest measurement.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY

Method for semantic segmentation of multi-source hyperspectral point clouds of unmanned aerial vehicles based on integrated prediction weak supervision

The application discloses a kind of weakly supervised unmanned aerial vehicle multi-source hyperspectral point cloud semantic segmentation methods based on integrated prediction. It is based on unmanned aerial vehicle multi-source hyperspectral point cloud data as the research object, construct weakly supervised semantic segmentation framework based on integrated prediction, on the basis of incomplete supervision, embedding consistency constraint of integrated prediction, entropy regularization guided by integrated prediction result and self-adaptive soft pseudo label method, make full use of the encoding information of unlabeled data, provide various spatial and spectral constraints for weakly supervised training, enhance the semantic segmentation ability of network model. The application solves the problems of high cost of forestry vegetation data sampling, rare and difficult to obtain forest sample and time-consuming and laborious artificial high-precision label large scene forest vegetation data in the prior art; It has the advantages of guaranteeing the training efficiency of forest sample, increasing the supervision source for weakly supervised forestry information extraction network model and improving the forestry vegetation information extraction ability of learning model.
Owner:CHANGJIANG SPATIAL INFORMATION TECH ENG CO LTD (WUHAN)

Comprehensive evaluation method for service function of forest vegetation ecosystem

PendingCN121562986AResourcesData setEngineering
The invention discloses a comprehensive evaluation method for a service function of a forest vegetation ecosystem, and relates to the field of forest ecology, and the method comprises the steps: obtaining and preprocessing multi-source data of an evaluation region, and generating a standardized multi-source data cube; based on the standardized multi-source data cube, calculating the material quality of multiple ecological system service functions of each evaluation unit in the evaluation area, and generating an ecological system service function material quality data set; performing time sequence analysis on the ecosystem service function material quality data set, and calculating to obtain a service function toughness index of each evaluation unit for each ecosystem service function; and extracting each ecological system service function from the standardized multi-source data cube to form resource consumption data. According to the method, the conversion from static evaluation to sustainable comprehensive evaluation covering stability and efficiency is realized, and the problem that the long-term sustainability of an ecological system service function cannot be effectively quantified in the prior art is solved.
Owner:INST OF DESERTIFICATION CONTROL NINGXIA ACAD OF AGRI & FORESTRY SCI (NINGXIA KEY LAB OF SAND CONTROL & WATER & SOIL CONSERVATION)

Tree carbon reserve monitoring method and device based on laser radar and storage medium

The invention provides a tree carbon reserve monitoring method and device based on a laser radar and a storage medium. The method comprises the following steps: scanning each sample plot in N sample plots sampled in a monitoring area corresponding to forest vegetation through a laser radar, and acquiring first point cloud data corresponding to a tree; preprocessing the first point cloud data to obtain second point cloud data of the trees in each sample plot; based on the second point cloud data of each sample plot, performing individual tree segmentation and parameter extraction to obtain a first individual tree number and a first feature parameter corresponding to the individual tree; correcting the first characteristic parameter based on a pre-established correction model to obtain a corrected first characteristic parameter; and based on the first individual tree number of each sample plot and the corrected first characteristic parameter, determining the tree carbon reserve of the monitoring area through a preset carbon measurement model. Therefore, the monitoring efficiency and the monitoring accuracy of the tree carbon reserves can be improved.
Owner:ZHEJIANG XINZHILING CARBON MANAGEMENT CONSULTING CO LTD

A vegetation reflectance spectrum measurement method and system for forest monitoring

The application discloses a vegetation reflectance spectrum measurement method and system for forest monitoring, acquires original spectrum collection signals of a target area of a forest and carries out canopy penetration attenuation correction to establish a benchmark reflectance spectrum set, identifies a forest canopy projection area and atmospheric scattering interference of the benchmark reflectance spectrum set to form a ground true reflectance spectrum, carries out red edge feature positioning and band ratio analysis based on the ground true reflectance spectrum to form a vegetation reflectance spectrum index, carries out multi-time spectrum difference detection on the vegetation reflectance spectrum index and removes phenology interference to determine a change confidence interval, screens abnormal spectra based on the change confidence interval and carries out forest health grade labeling after correction by a spectrum evolution coefficient to output forest coverage change measurement results. The application can effectively eliminate the interference of forest canopy shadow and atmospheric scattering, distinguish normal phenology fluctuation from real health abnormality, and provide reliable spectrum data support for forest vegetation state monitoring.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY

Unmanned aerial vehicle-based vegetation AI identification management method and system

The embodiment of the invention relates to the technical field of plant management, and discloses an unmanned aerial vehicle-based vegetation AI identification management method, which comprises the following steps of: identifying wide-area remote sensing data to obtain all abnormal sub-areas and window detection areas in a target detection area; executing a second acquisition task on all abnormal sub-regions and window detection regions to obtain corresponding fine remote sensing data; determining vegetation state information of the abnormal sub-region according to the fine remote sensing data, determining a canopy shielding relationship in the window detection region according to the fine remote sensing data, and identifying and determining a potential under-forest region under canopy coverage; probabilistic inference is carried out on the vegetation state of the potential under-forest region through fusion of multi-source evidence, and an under-forest vegetation probability distribution diagram containing inferred vegetation categories and corresponding confidence coefficients is generated; and generating a comprehensive vegetation state report of the target detection area. And the overall identification management efficiency is improved through a layered acquisition mode.
Owner:FORESTRY BUREAU OF LIANSHAN ZHUANG & YAO AUTONOMOUS COUNTY +1

A forest community biomass stability monitoring device and method based on ground-based laser radar

ActiveCN120161479BSample plotSoil science
The application discloses a kind of forest community biomass stability monitoring device and method based on ground-based laser radar in the technical field of forest community biomass stability research, comprising: mounting seat and the supporting leg of being arranged on mounting seat, laser radar and data processing equipment are arranged on the mounting seat, the mounting seat includes receiving box and the supporting plate of being slidably arranged in receiving box, the data processing equipment is arranged on supporting plate, the receiving box is detachably provided with the fixed sample stake for being arranged in fixed sample plot, and a plurality of hanging cards for marking the vegetation of fixed sample plot are sleeved on the fixed sample stake;The LiDAR three-dimensional structure point cloud data of forest vegetation of fixed sample plot is obtained by laser radar, the data processing equipment processes the obtained LiDAR three-dimensional structure point cloud data, and the forest community biomass stability is obtained, the dependence on staff is reduced, and the accuracy of forest community biomass stability monitoring is improved.
Owner:NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA +1

Remote sensing estimation method, system and storage medium for carbon storage based on forest heterogeneity

PendingCN122286511ASensing dataCarbon storage
This invention, entitled "A Method, System, and Storage Medium for Remote Sensing Estimation of Carbon Storage Based on Forest Heterogeneity," belongs to the field of carbon storage estimation technology. The technical problem it aims to solve is the poor accuracy of regional carbon storage estimation due to insufficient ground sample quantity and uneven spatial distribution. Key technical points include: S1, expanding the limited ground carbon storage samples using spaceborne lidar photon point cloud data to construct a ground-space fusion forest carbon storage measured sample library; S2, interpreting remote sensing data of the target area's forest ecosystem and classifying forest vegetation types, considering forest carbon sink heterogeneity and employing continuous change detection and classification algorithms for forest vegetation type classification; S3, constructing a carbon storage remote sensing estimation model coupling forest classification and multidimensional features; and S4, performing carbon storage estimation based on the carbon storage remote sensing estimation model.
Owner:ZHEJIANG INST OF SURVEYING & MAPPING SCI & TECH +1

A meteorological and hydrological analysis and management cloud platform

This invention relates to the field of data analysis and management technology, specifically a meteorological and hydrological analysis and management cloud platform. Firstly, it stores and manages data through meteorological and hydrological information storage units within a meteorological and hydrological data storage module. Then, it visualizes the data through a data retrieval module. In particular, a passive query unit automatically acquires abnormal data and retrieves relevant data, providing data support for anomaly detection. An anomaly analysis module acquires abnormal meteorological and hydrological characteristics and calculates risk characteristic indicators based on forest vegetation density to determine whether anomalies exist. Finally, a management module performs risk classification and assigns detection tasks to anomaly areas. This invention provides a meteorological and hydrological analysis and management cloud platform that achieves efficient monitoring and management of forest vegetation cover.
Owner:NANJING DAQIAO MASCH CO LTD

A method for evaluating forest vegetation restoration effect

This invention discloses a method for evaluating the effect of forest vegetation restoration, comprising: determining the study area for evaluating the effect of forest vegetation restoration; calculating the vegetation community index and ecological function index of the control area based on time series; calculating the extreme values ​​of fluctuation of the vegetation community index and ecological function index; calculating the influence weights of environmental factors and disturbance factors on vegetation community and ecological function; constructing a calculation model for calculating the forest vegetation restoration index based on the influence weights; uniformly selecting several sampling areas within the study area; calculating the forest vegetation restoration index of each sampling area using the calculation model; constructing a semi-variogram function; and evaluating the effect of forest vegetation restoration in the study area. This invention, starting from a four-dimensional index system of vegetation community-ecological function-environmental factors-disturbance factors, comprehensively evaluates the effect of forest vegetation restoration, obtains the spatial differences in the effect of forest vegetation restoration, and provides a basis for differentiated restoration management.
Owner:YANYUAN COUNTY FORESTRY & GRASSLAND BUREAU

Composite operation method for breeding bees under eucalyptus forest

PendingCN121890570AMeasurement devicesCultivating equipmentsBee productsNectar source
The invention discloses a composite operation method for breeding bees under a eucalyptus forest, which specifically comprises the following steps: step 1, carrying out habitat evaluation and zoning planning under the eucalyptus forest, and carrying out ecological environment evaluation and zoning planning on the basis of site conditions, forest stand structures, vegetation composition under the forest and microclimate characteristics of the eucalyptus forest; the under-forest space is divided into a core culture area, a transition buffer area and an ecological conservation area, and corresponding culture units are configured according to the biological characteristics of different bees; the invention relates to the technical field of agriculture and forestry. According to the composite operation method for breeding the bees under the eucalyptus forest, through systematic habitat evaluation and zoning planning, multi-layer nectar source plant construction, multi-bee-species collaborative breeding, dynamic management and resource recycling, the problem that a traditional under-forest bee breeding mode is not matched with the special habitat of the eucalyptus forest is solved; the health level of a bee colony and the utilization efficiency of a natural nectar source are remarkably improved, and multi-element synergy of pollination, biological control and bee product production is realized.
Owner:TROPICAL FORESTRY EXPERIMENTAL CENT OF CHINESE ACAD OF FORESTRY SCI

Machine learning-based surveying and mapping geographic space full-coverage data generation method and system

The invention relates to the technical field of geographic information science, in particular to a surveying and mapping geographic space full-coverage data generation method and system based on machine learning. The method comprises the following steps: firstly, collecting a historical forest vegetation image, a season label, climate data and a real vegetation coverage image required by a vegetation coverage image generation model; secondly, a historical forest vegetation image analysis model and a climate data analysis model are constructed, historical forest vegetation images and climate data are analyzed respectively, and forest vegetation spatial features and climate time features are obtained; thirdly, fusing and processing the forest vegetation spatial features, the climate time features and the season labels to obtain and generate a vegetation coverage image; then, constructing a generated vegetation coverage image authenticity scoring model, and calculating the difference between the authenticity and the generated vegetation coverage image to obtain a generated vegetation coverage image authenticity score; and finally, optimizing the authenticity of the generated vegetation coverage image by using the adversarial loss, and obtaining the generated vegetation coverage image meeting a preset condition.
Owner:QINGDAO INST OF SURVEYING & MAPPING SURVEY