38 results about "Protection forest" patented technology

The invention discloses a method for evaluating the influence of black land ecological barrier pattern evolution on agricultural climate and yield, and relates to the technical field of agricultural ecological environment monitoring and remote sensing model coupling. Comprising the following steps: S1, acquiring a high-resolution satellite image, microwave remote sensing earth surface humidity data, optical remote sensing vegetation coverage data and thermal infrared remote sensing earth surface temperature data of a target area; according to the method for evaluating the influence of the black land ecological barrier pattern evolution on the agricultural climate and the yield, the problem of lack of ecological-climate-agricultural system collaborative modeling in the traditional technology is solved. A high-resolution satellite image is used for analyzing a network topology structure of the protection forest, microwave and thermal infrared remote sensing are fused to invert'water, soil and gas generation 'multi-element parameters, and dynamic quantitative evaluation of ecological barrier spatial heterogeneity evolution on local climate and crop growth is realized in combination with a dynamic weight distribution and two-way nesting technology.

The invention relates to the technical field of intelligent monitoring of protective forests, and discloses a protective forest monitoring and evaluating system based on intelligent visual identification. According to the system, synchronous perception information of vision, terrain and weather is captured through a multi-source information synchronous acquisition module, and a vegetation growth space field containing canopy form topology and canopy density change process is generated through multi-dimensional feature extraction operation. A degeneration characteristic evolution graph constructed according to the method can present a degeneration plaque contour, a spreading track and an intensity distribution thermodynamic diagram. The map is subjected to deep feature analysis through a trained multi-level degradation identification network to obtain a degradation level and a trend vector, and finally a comprehensive evaluation report with spatio-temporal information is formed. According to the invention, high-precision and automatic monitoring and evaluation of the dynamic degradation process of the protection forest are realized.

The invention relates to the field of remote sensing mapping, and discloses a farmland protection forest extraction method based on an anthocyanin reflection vegetation index of an enhanced near-infrared and blue wave band, and the method comprises the steps: 1, obtaining images, and splicing the obtained images through employing a tool of embedding to a new grid in ArcGIS software; step 2, calculating a vegetation index, and providing RMARI-NIR and RMARI-RGB indexes suitable for different scenes; 3, making a farmland protection forest label data set; and step 4, uploading a label data set and a research area vector range on a Google Earth Engine platform, dividing a training set and test set proportion, calculating a Kappa coefficient and total precision as evaluation indexes, using the evaluation indexes as a verification method of innovation feasibility, carrying out farmland protection forest identification training classification through a random forest (RF) model and additionally fusing a characteristic wave band and an index wave band, and carrying out farmland protection forest identification training classification. The classification result and the field boundary range are overlapped, mask operation is applied to extract and obtain the distribution position information of the farmland protection forests, the spectral characteristics of the farmland protection forests are highlighted according to the extraction requirements, the distinguishing degree between the farmland protection forests and other ground objects is enhanced, and the method is suitable for generalization in various environments.

The invention provides a vehicle frame structure and a mountain engineering vehicle, and belongs to the technical field of mountain vehicles, the vehicle frame structure comprises a vehicle frame body, a rear driving mechanism and a front driven mechanism, the rear driving mechanism and the front driven mechanism are arranged on the vehicle frame body, and the rear driving mechanism drives the front driven mechanism to move; the front driven mechanism comprises a rotary support, a steering stand column, a steering transverse shaft and a set of driven steering wheels, the rotary support is arranged on the frame body, the steering stand column is arranged in the rotary support in a sleeved mode, the steering transverse shaft is connected with the steering stand column, the steering transverse shaft is located on the lower end face of the steering stand column, and the set of driven steering wheels are arranged on the steering stand column. The driven steering wheels are installed on the two sides of the steering transverse shaft, and the driven steering wheels and the steering transverse shaft coaxially rotate. The vehicle frame can drive out of soft soil or pits within a short time, and can better adapt to mountainous areas, forest areas, beach protection forests, grassland and other terrains with soft soil and hidden pits.

The invention relates to the technical field of ecological restoration, and discloses an investigation and matching restoration method used before restoration of a degraded forest, comprising an investigation method and a restoration method, analyzing the factor change of the degraded forest by using the investigation method, and matching a restoration model in the restoration method according to the factor change. According to the investigation method designed by the invention, factors with growth and development retardation and degeneration in the growth process of the protection forest in the later period are analyzed so as to analyze the change of the factors in the environment, the restoration model in the restoration method is matched by analyzing the change of the factors, and the degenerated forest is stably and efficiently transformed according to the restoration model; and the quality and the ecological service efficiency of the mountain forest in the karst landform and at the high altitude are improved.

The invention belongs to the technical field of protection forest space optimization configuration methods, and particularly relates to a protection forest space optimization configuration method for realizing dry farmland soil corrosion reduction and recarburization, which comprises the following steps of: obtaining a multi-source basic data set, processing Sentinel-2 image data by combining a vegetation index and an optical remote sensing image, and obtaining a multi-source basic data set; by analyzing spectral features, vegetation indexes are extracted to extract a random forest combined feature index zone; constructing a training sample by using a high-precision Google map image, and identifying the spatial distribution of the farmland protection forest; extracting wind erosion amount, organic carbon content, environmental factors and protection forest structure parameters based on ArcGIS Pro; constructing a nonlinear response model through an R language mgcv packet, establishing a response relationship among a protection forest network structure, an environmental factor and a wind erosion amount, quantifying the contribution degree of each interaction item, calculating a weighted average value, and obtaining a comprehensive optimal configuration parameter; an XGBoost model is used for estimating the wind erosion reduction amount and the organic carbon increase amount after optimization configuration, and protection forest network structure configuration optimization suggestions are put forward.

The invention discloses a graded protection method, device and equipment for landslide surges and a storage medium, and relates to the technical field of disaster prevention and control, the method performs continuous data processing and calculation through attenuation from landslide starting of a landslide mass to last surges to a shoreside, and considers the influence of the surges at different distances on the shoreside at the same time; and then different levels of protection measures are defined based on surge influences of different distances, for example, if the residual wave height is larger than three meters, a wave wall and a baffle sill are set, if the residual wave height ranges from one meter to three meters, a wave prevention forest is planted, and if the residual wave height is within one meter, only the baffle sill is laid. Data support can be provided for surge prevention and control, and a simple, convenient and accurate calculation method is provided.

The invention discloses sapling pit digging equipment for forestry construction, and relates to the technical field of sapling planting.The sapling pit digging equipment comprises a lifting frame, an annular frame and a spiral drilling rod, the annular frame and the spiral drilling rod are installed on the lifting frame, and a backfilling mechanism is arranged on one side of the lifting frame and comprises a soil scraping assembly which is arranged on one side of the lifting frame; the backfilling device is used for backfilling soil dug in the ground into a pit; through the designed backfilling mechanism, saplings are planted into dug pits after digging holes through a spiral drill rod, then soil around the pits is scraped into the pits through a rotating large scraper and a lifting scraper to achieve backfilling, and through sliding of a T-shaped plate in a sliding groove of an L-shaped plate, the saplings can be backfilled in the pits; springs are installed in a matched mode, so that the multiple lifting scraping plates conduct self-adaptive lifting according to the bank protection forest grounds with different gradients, soil on the ground can be scraped into corresponding pits according to the ground conditions, the backfilling effect is improved, the positions of the large scraping plates and the lifting scraping plates can be adjusted according to the different diameters of the pits, and the applicability is improved.

The invention discloses a wind-proof, sand-blocking and rain-collecting device for a protective forest belt and a protective forest belt construction method, and belongs to the technical field of ecological restoration systems. A hollow sleeve is arranged at one end of the cover plate, and bottom feet are obliquely arranged on the two sides of the other end of the cover plate and inserted into the ground; a steel pipe penetrates into the hollow sleeve, and the two ends of the steel pipe are fixed between the two stand columns in a sleeve mode; the two groups of flow guide assemblies are symmetrically arranged; each group of flow guide assembly comprises two flow guide ridges formed by stamping a cover plate, and hollow air holes are reserved in the lower parts of the flow guide ridges; the diversion ridges are obliquely arranged relative to the central axis of the cover plate; the water collecting cylinder is fixedly arranged at the other end of the cover plate, two ends of the water collecting cylinder are sealed, water injection holes are formed in two sides of the top, and the water collecting cylinder is located on the lower edge of the outer side of the flow guide ridge and receives rainwater collected through the flow guide ridge after being intercepted by the cover plate; one end of each micro dropper is communicated with the bottom of the water collecting cylinder, and the other end of each micro dropper is bound to the root of a tree root through a hemp rope. The device integrates the functions of wind prevention, water collection and sand stabilization, rainwater is slowly released, forestation difficulties such as wind damage, sand burying and rainfall shortage in related areas can be overcome, and a long-acting green sand stabilization barrier can be built in an assisted mode.

The invention discloses a method for rapidly evaluating the windproof effect of a farmland protection forest net based on simplified three-dimensional modeling and computational fluid mechanics simulation. The method aims at solving the problems that large-range wind field data is difficult to obtain in existing field observation, and traditional computational fluid mechanics uses a refined farmland protection forest three-dimensional model, so that the calculation cost is too high, and the method cannot be applied to regional scales. The method comprises the following steps: firstly, acquiring spatial distribution of a forest network and three-dimensional structure parameters and layered leaf area density of a single forest belt by using an unmanned aerial vehicle oblique photography and rapid canopy measurement technology; then, in a geographic information system and engineering design software, a single forest belt is converted into a polyhedral structure with internal attributes, and a forest network three-dimensional model is constructed; further, efficient numerical simulation of the wind field around the forest network is realized through a computational fluid mechanics method; and finally, a target height wind speed distribution diagram is extracted from a result wind field obtained through simulation, an effective protection area is discriminated through a grid binarization method, and the forest network protection efficiency is rapidly evaluated.

The utility model discloses a protection forest foundation water storage device which comprises a container, a baffle and a driving mechanism, the container is of a hollow structure with an opening in the upper end, a filter screen is arranged in the opening in the upper end of the container, and the baffle is arranged on the upper side of the container in a sliding mode. The driving mechanism is arranged on the container and drives the baffle to slide to move away from the upper side of the container and reset. The baffle is arranged at the opening in the upper end of the water storage container, the baffle is controlled to move away and reset through the driving mechanism, and therefore the purposes that when the baffle is closed, the probability that sundries such as fallen leaves fall on the filter screen can be reduced, and when the baffle is unfolded, rainwater can be collected into the container through the filter screen can be achieved.

The utility model discloses an intelligent water resource high-efficiency irrigation device for a protection forest, which comprises a water tower assembly, a plurality of groups of irrigation assemblies are arranged on the side surface of the water tower assembly, the water tower assembly comprises a water tower main body, and a fixing assembly is arranged at the bottom of the water tower main body. The water tower assembly is fixed to the ground through the fixing assembly, an irrigation device is prevented from being blown down by wind in severe weather such as rainy days, the fixing effect of the fixing assembly can be improved through the groove formed in the first fixator, rainwater can be collected in the rainy days through the collector and the baffle, and the water tower assembly is convenient to use. By arranging the baffles, the situation that impurities such as leaves block pipelines and affect the collection effect can be avoided, the connecting pipes are connected through the pipelines, a plurality of irrigation devices can form an irrigation system, and water resources such as underground water are used for supplementing water in the water tower body.

The application relates to the technical field of mixed forest, and particularly discloses a method for cutting and renewing a multi-layer mixed forest in a poplar protective forest, which comprises the following steps: S1, selecting a protective forest; S2, establishing a forest window; S3, selecting seedlings; S4, treating the seedlings; S5, transplanting the seedlings; S6, tending the seedlings; and S7, managing the forest stand. The preparation method has the advantages of improving the stability of the poplar protective forest and enhancing the protection efficiency of the poplar protective forest.

The invention discloses a passive desert ecological restoration method and system based on biochar, and belongs to the technical field of desert ecological restoration. The method comprises the following steps: laying a grass checkered sand barrier on the surface of a sand land, laying a waterproof / semi-waterproof layer at a depth of 40-200cm below the grass checkered sand barrier at intervals, and laying a first biochar mixing layer above the waterproof / semi-waterproof layer; according to different application working conditions of the protection forest and the cultivated land, whether a second charcoal mixing layer is laid below the grass checkered sand barrier layer by 0-30 cm is selected; and finally, drought-enduring plants are planted in grids of the grass checkered sand-protecting barriers. The device abandons electromechanical equipment for refrigeration, pumping, active ventilation and the like, realizes passive water regulation and control by virtue of adsorption-desorption characteristics of biochar and natural temperature difference between day and night in the desert area, has the technical advantages of zero energy consumption, low cost and no maintenance, and can remarkably improve the desert water fixing capacity and the vegetation survival rate; the method is suitable for various scenes such as desert protection forest construction and cultivated land development, and sustainable restoration of desert ecology is achieved.

The invention discloses a saline-alkali soil in-situ improved tree planting method for a coastal protection forest, and relates to the technical field of forestry ecological engineering, in particular to the saline-alkali soil in-situ improved tree planting method for the coastal protection forest, and the method comprises the following steps: carrying out ground cleaning and leveling on a planting area; after the tree pit is dug, a drainage hole with the depth of 1 m is drilled in the center of the bottom and filled with pure stone nitrate, and a vertical drainage channel is formed; paving a pure stone nitrate layer and a coarse sand layer at the bottom of the hole as a horizontal drainage layer; after nursery stocks with soil balls (the diameter is larger than or equal to 40 cm) are placed, coarse sand is filled between the soil balls and hole walls, and the coarse sand is communicated with the bottom layer to form a continuous drainage path; pit soil is backfilled, and a water retaining furrow is constructed. During watering, soil balls are preferentially soaked, and external salt permeates into the ground along a sand layer and a stone nitrate layer under the action of osmotic pressure, so that the salt is prevented from intruding into a root system. Soil replacement is not needed, salt rising is effectively blocked through the efficient drainage system, and it is guaranteed that seedlings survive and grow in coastal saline-alkali soil for a long time.

The invention discloses a carbon sink measurement method and system for a coastal protection forest, and the method comprises the following steps: obtaining field data of a target coastal protection forest, and carrying out the preprocessing of the field data, and obtaining a three-dimensional point cloud model of the protection forest; based on the three-dimensional point cloud model of the protection forest, adaptive forest structure parameter extraction is carried out, and a vegetation type and a corresponding tree height are obtained; the adaptive forest tree structure parameter extraction comprises parameter adaptive single tree segmentation and segmentation-fitting mutual feedback optimization; and performing carbon sink index calculation based on the vegetation type and the corresponding tree height to obtain the carbon density of the protection forest. According to the invention, by introducing a parameter adaptive initialization and segmentation-fitting mutual feedback optimization mechanism driven by a forest type feature vector, internal self-checking and iterative optimization are realized, and an automatic high-precision carbon sink measurement method adaptively coping with changes of arbors and shrubs in a coastal area is realized.

The invention discloses a farmland protection forest three-dimensional structure parameter extraction method and system, and belongs to the technical field of remote sensing mapping and forestry information. The method comprises the following steps: acquiring oblique photography point cloud data of a target area; automatically identifying and extracting point cloud data corresponding to the farmland protection forest through a deep learning model; constructing a closed three-dimensional model representing the overall outer contour of the forest belt based on the point cloud; and automatically calculating the overall three-dimensional structure parameters of the forest belt based on the model, wherein the parameters comprise the length, the width, the height, the trend and the permeability representing the ventilation and light transmission performance of the forest belt. According to the method, the penetration coefficient model fusing the density difference, the spatial coherence and the feature communication length is innovatively provided, and scientific quantification of the hydrophobicity is achieved.

The invention relates to the technical field of ecological engineering and wetland restoration, in particular to a comprehensive restoration method for rapidly improving functions of a bird breeding place of a degraded marsh wetland, and aims to solve the problems of nest site deficiency, insufficient food sources and man-made interference confronted by bird breeding in the degraded wetland. Repair is carried out through comprehensive measures of combining nest site accurate configuration, food source directional strengthening and interference system control. The method specifically comprises the steps that mandarin duck nest boxes and small nest boxes are hung on a suitable wetland, haystacks are built, and diversified nest sites are provided for different birds; putting benthonic animals and fishes in the shallow water area to supplement a food source; meanwhile, propaganda education is carried out on surrounding residents, closed management is carried out on the protection forest in the breeding season, and man-made interference is reduced. According to the method, the bird breeding function of the degraded wetland can be quickly and specifically recovered, the number and diversity of bird populations are improved, and the method has the characteristics of simplicity and convenience in implementation, low cost and quick effect, and is suitable for ecological restoration and function improvement of the degraded marsh wetland.

The invention discloses a coastal protection forest belt transformation method based on forest state optimization. According to the invention, through systematic technology integration and ecological adaptability design, the comprehensive function of the protective forest belt is significantly improved. On the ecological protection level, a gradient windproof barrier and a sand stabilization network are constructed through a three-dimensional layered structure and dynamic tree species configuration. The synergistic effect of the biodegradable grid and the microbial agent accelerates soil improvement, promotes rapid field planting of vegetation roots, and effectively inhibits wind erosion desertification and water and soil loss. The intelligent monitoring system tracks the health state of the forest belt in real time, and in combination with disaster adaptability design, the forest belt can dynamically respond to extreme climates such as typhoon and drought, and the self-repairing capacity is formed. The three-dimensional space layout and the strategy of properly reserving forest space further enhance the biological diversity, provide migration channels for wild animals and plants, and realize long-acting stability of ecological functions.

This invention provides a method and system for early warning of salinization risk in protective forests based on multi-source data fusion, relating to the field of ecological environment monitoring and early warning technology. First, a multi-source monitoring data set of the protective forest area is acquired, including land cover remote sensing image data, soil salinity profile monitoring data, groundwater level dynamic monitoring data, and meteorological element observation data. Next, the multi-source monitoring data is divided into spatial grid units to generate a gridded multi-source monitoring data set. Then, a set of co-evolutionary patterns among the multi-source data is constructed based on the gridded multi-source monitoring data set. Finally, a salinization risk propagation simulation is performed based on the co-evolutionary pattern set to generate salinization risk early warning information containing risk propagation path clusters. This method can intuitively and accurately reflect the propagation direction and scope of salinization risk, improving the accuracy and reliability of the early warning and effectively protecting the ecological functions of the protective forest and the ecological environment of the surrounding area.

The invention discloses an artificial protection forest close-to-nature reconstruction method based on natural succession stage staging regulation and control, and the method comprises the steps: accurately judging the natural succession stage of a forest stand, and setting a threshold condition for transition to a next stage, so as to enable all reconstruction measures to be anchored to the development process of the forest stand; illumination and provenance are cooperatively regulated and controlled through forest window opening up and broad-leaved tree species complementary planting, and the under-forest natural updating potential is activated; through staged thinning, window expansion, width supplementation and needle control, the stand is guided to gradually turn from a single-layer same-age needle leaf structure to a different-age multi-layer, broad leaf dominated and plaque inlaid top-level community form; the litter reserves, the soil biological activity and the hydrological regulation capacity are synchronously improved, and a multi-layer protection system and a dynamic balance monitoring mechanism are constructed. The forest stand does not depend on continuous human intervention to maintain the function any more, but depends on succession power of the forest stand to achieve structural optimization and function jump, the succession stagnation problem is solved, and the artificial protection forest really has the stability, restoring force and sustainability of the near-natural forest stand.

This invention discloses a water collection device with a hydrophilic strip and irregularly shaped ribs for sand control and tree planting. It includes a top cover, a water collection unit, and a support base. The water collection unit is mounted on the support base and comprises several water collection sub-units connected sequentially along the circumference. Multiple layers are stacked between the top cover and the support base, with each layer of sub-units connected sequentially, forming a skeletal structure in the center of the device. This invention utilizes the large temperature variations in desert areas, relying on the condensation of water vapor in the air during the low temperatures of morning and evening to obtain water for irrigating protective forests, thus avoiding the need for water transport and groundwater extraction.

The invention discloses a farmland protection forest system space configuration method based on a Great Wall grain structure, and belongs to the technical field of agricultural ecological engineering. The method comprises the following steps: designing a unitized Great Wall grain-shaped grid as a forest network basic form; acquiring farmland and disaster characteristics of a target area, and determining the number of forest networks and great wall grain structure parameters according to a protection target; the Great Wall grain-shaped grids are arranged according to rules to form a forest network, and a final farmland protection forest system space configuration scheme is formed after optimization and adjustment. The system comprises a Great Wall pattern grid form design system, a forest network configuration and optimization module and a dynamic monitoring regulation and control system. By means of the innovative Great Wall grain-shaped grid structure, it is guaranteed that the farmland protection forest exerts protection benefits, meanwhile, the farmland protection forest is matched with a mechanical production means, the occupied area of the forest belt can be reduced, the land utilization efficiency is improved, and the ecological benefits, the production benefits and the regional coordination are achieved.

The present application relates to a method, system, storage medium and intelligent terminal for constructing a saline-alkali land shelterbelt, and to the field of saline-alkali land restoration technology, which includes obtaining planting boundary information and planting date information; determining planting location information according to the boundary line corresponding to the planting boundary information, and defining the location corresponding to the planting location information as a planting point; determining the wind direction information corresponding to the planting date information according to the matching analysis of the planting date information and the wind direction information stored in the wind direction database; obtaining the mean wind force information of the planting point at a preset height distance within a fixed time; determining the tilt angle information corresponding to the mean wind force information according to the matching analysis of the mean wind force information and the tilt angle information stored in the preset angle database; and adjusting the trees in the opposite direction to the direction corresponding to the wind direction information and according to the angle corresponding to the tilt angle information. The present application has the effect of making the shelterbelt have a better effect on the restoration of saline-alkali land.

The invention relates to a canopy density detection device for a farmland protection forest, which is applied to the field of detection, a light ball is used as a light source and is moved to different positions of canopies, light rays emitted by the light ball are shielded by the canopies with different heights, and the density of different positions of the canopies can be obtained according to the intensity of the light rays in a picture shot by an optical sensor. Compared with a traditional mode depending on natural illumination, the method has the advantages that the density of different positions of the canopy can be better obtained, the recognition capacity of the multi-layer and three-dimensional structure of the canopy is remarkably improved, the diversity of canopy data is effectively enhanced, the growth state of the canopy is better analyzed, and the spraying pipe angle can be adjusted, so that the method is more suitable for popularization and application. The photosphere gradually falls through the upper portion of the canopy, the photosphere can pass through the dense canopy for detection in the falling process, the problem that the photosphere in a high-density tree crown is prone to being blocked is solved, the adaptive capacity of the device under the complex forest land condition is enhanced, and practicability is improved.

The invention relates to the technical field of forest cultivation, in particular to a protective forest belt construction method for relieving hypochondrium land, which comprises the following steps: integrally moving the forest land downwards for a certain distance during construction and soil preparation of a protective forest belt, forming a vertical isolation area by tree root systems and crop root systems of the forest belt, avoiding direct contact on the same flat layer, reducing survival competition and improving the survival rate of the forest belt. Therefore, normal growth and development of the forest trees are not affected, the problem of the hypochondrium land can be relieved, and the method plays an important role in the aspect of relieving the contradiction of land contention of forest farmers in future protection forest construction, and has a wide application prospect.

The invention discloses a forest field road and canal integrated farmland protection forest network optimization design method based on multi-objective cooperation, and belongs to the technical field of farmland ecological engineering and protection forest planning and design. The method comprises the following steps: firstly, obtaining layout information of field roads, channels and ridges, and designing a plurality of candidate forest network layouts including an integrated scheme; forest belt parameters are obtained through a laser radar, and the windproof efficiency of each scheme is simulated and quantified through computational fluid mechanics; and furthermore, a multi-target evaluation system containing windproof, land-saving and production convenience indexes is constructed, and a collaborative optimization decision algorithm combining fuzzy analytic hierarchy process and approximate ideal solution sorting is adopted to perform objective and quantitative comprehensive sorting and optimization on candidate schemes.

The invention relates to a quantitative evaluation method for the shading range and degree of a farmland protection forest in the technical field of forestry. In the region where the target forest belt is located, the length and orientation of the forest belt shadow in each time period of the key date are determined according to the solar altitude angle and the azimuth angle in combination with parameters such as the average height and the trend of the forest belt, and the forest belt shading range is divided into light, medium and heavy land-side degrees according to the proportion of the shading duration to the sunshine duration. The method for objectively, quantitatively and easily determining the shading range and degree of the farmland protection forest is provided for the first time, a scientific standard is provided for objectively evaluating the shading and hypochondrium range of the farmland protection forest, and a reference basis is provided for determining the buffer distance between the forest belt and the farmland interface in high-standard farmland construction.

The application discloses a kind of extraction method and system of farmland shelterbelt three-dimensional structure parameters, belong to remote sensing surveying and mapping and forestry information technical field.The method includes: obtaining the oblique photography point cloud data of target area;Through deep learning model, corresponding point cloud data of farmland shelterbelt is automatically identified and extracted;Based on the point cloud, closed three-dimensional model representing the overall outer contour of forest belt is constructed;Based on the model, the overall three-dimensional structure parameters of forest belt are automatically calculated, and the parameters include length, width, height, trend and the porosity of its ventilation and light transmission performance.The application innovatively proposes the through coefficient model fusing density difference, spatial coherence and feature connectivity length, and realizes the scientific quantification of porosity.

This invention provides a method and system for intelligent monitoring of coastal protection forests based on multi-source information fusion in the field of forestry informatization and intelligent monitoring technology. The method includes: Step S1, collecting video image data and environmental sensor data through front-end monitoring equipment; Step S2, processing the video image data using an AI visual analysis model to identify disaster risk information; Step S3, combining the disaster risk information with geographic information to generate a pest and disease distribution layer and a fire early warning distribution layer in a GIS geographic information system, and predicting the spread trend of pests and diseases based on a population dynamics model coupled with environmental factors, obtaining the trend prediction results and loading them into the GIS geographic information system; Step S4, the management platform automatically generates patrol tasks based on the pest and disease distribution layer and the fire early warning distribution layer and assigns them to a mobile APP. The advantages of this invention are: greatly improving the efficiency, accuracy, and closed-loop level of monitoring.