715 results about "Shrub" patented technology

The invention relates to the technical field of soil erosion monitoring, in particular to a shallow mountain belt abrupt slope shrub land soil erosion monitoring method and system, and the method comprises the following steps: S1, collecting topographic point cloud data and vegetation reflectivity data; s2, spatial interpolation is carried out on the terrain point cloud data to generate three-dimensional terrain grid data, and meanwhile, boundary coordinates of a shrub coverage area are taken; s3, calculating a root system corrosion resistance strength value of each grid; s4, generating a real-time erosivity index of each grid; s5, extracting a real-time erosivity index of the grid where the corresponding node is located and a terrain parameter of the associated grid; and S6, calculating the soil erosion amount grid by grid, and generating a three-dimensional erosion space distribution diagram. According to the invention, through integration of multi-source data acquisition, real-time data processing and three-dimensional visual monitoring, accurate evaluation and dynamic early warning of the soil erosion process of the shrub forest land with the abrupt slope in the shallow mountain are realized, so that decision support is provided for water and soil conservation and ecological restoration.

The invention discloses a construction method for governing and repairing desertification degraded grassland in an arid area, and relates to the technical field of sand governing. The method comprises the following steps: evaluating a native vegetation type, vegetation coverage, a soil degradation and desertification degree, a soil type and a water resource condition; performing classified measures according to natural conditions, and determining different types of dune (flowing, fixed or semi-fixed) treatment measures; construction preparation; grid sand barriers are laid on the windward sides of the moving dunes and the semi-fixed dunes, and sand stabilization operation is conducted in a mechanical and manual combined mode; digging pits to plant indigenous shrubs subjected to special treatment, and using rooting water retention bags to improve the survival rate; the granular organic fertilizer and the seeds are mixed and stirred according to a certain proportion and then sown into soil at a time, the operation frequency is reduced, and precise fertilization is achieved. Through effective sand prevention and control measures, the sand wind damage is reduced, the living environment of farmers and herdsmen is protected, and the living quality is improved.

The invention discloses a greenbelt cooling effect evaluation method and system based on a remote sensing image and a streetscape image, and the method comprises the steps: obtaining the data of the streetscape image, carrying out the denoising and cutting, recognizing, extracting and calculating the pixel coverage rate of arbors, grass trees and shrubs, and constructing the greening feature indexes of the streetscape image; acquiring an urban satellite remote sensing image, performing radiometric calibration, correction and identification, and constructing a greening characteristic index of the remote sensing image; acquiring a multispectral remote sensing image of the city, performing cloud detection, and obtaining the surface temperature of the city through surface temperature inversion; and constructing a random forest model and performing iterative training based on greening characteristic indexes of the surface temperature, the streetscape image and the remote sensing image of the city, and evaluating the cooling effect by using the fitted random forest model. The method gives full play to the advantages of wide coverage range of the remote sensing image and rich details of the street scene image, makes up for the limitation of a single data source, and achieves the comprehensive and accurate evaluation of the cooling effect of the green land.

The invention discloses an existing anchoring and shotcreting side slope ecological restoration technology and method with shrub planting as the core, a side slope vegetation hole environment improving device and a hole filling layered structure design are included, and the side slope vegetation hole environment improving device is mainly composed of a conical threaded drill bit, a connecting rod, a motor, a metal connecting hose, a pressure storage tank and an air compressor. The motor provides power for penetration of the gas injection needle head, and the air compressor provides power for injection of the plant nutrient solution; the vegetation hole layered structure comprises a bottom water retention layer, a base fertilizer layer, a nutrient soil layer and a surface covering layer; environment improvement is conducted on the vertical and horizontal directions of the planting holes through an environment improvement device, local dominant shrubs are planted in the planting holes, and local dominant vine plants are planted at the top of the slope to comprehensively and ecologically protect the slope; comprising the following steps: step 1, investigating and surveying plant communities and analyzing slope stability; step 2, slope vegetation hole environment improvement; 3, planting hole construction; and 4, slope top vine plant ecological slope protection construction is carried out.

The invention relates to the technical field of mine restoration, and discloses a mine ecological restoration vegetation configuration method, which comprises: 1, soil improvement: carrying out soil improvement on a mine wasteland, adding an organic fertilizer and a soil improvement agent, and improving the soil structure and fertility; step 2, vegetation selection: selecting herbaceous, woody and shrub plants which are drought-resistant, barren-resistant, developed in root system, easy to survive and have a landscape effect according to the actual situation of the mining wasteland; 3, vegetation configuration planning is conducted, a scientific vegetation configuration plan is made, it is ensured that various plants such as trees, shrubs, grass, flowers and rattan are reasonably matched, and a multi-layer ecological community is formed; 4, planting preparation is conducted, the selected vegetation is pretreated, and meanwhile substrate materials needed by planting are prepared. The invention provides a vegetation configuration method for mine ecological restoration, and solves the problems of single vegetation selection, severe soil conditions and lack of systematic planning during traditional vegetation planting.

The invention discloses a forest dynamic growth model construction method and system, and belongs to the technical field of forestry digital twinning. According to the invention, through constructing the live-action three-dimensional model and carrying out refined modeling on the single plant, refined simulation and multi-dimensional prediction of the forest growth process are realized; a digital twinborn platform is utilized to integrate a forest simulation model and basic forest information, forest stand structure parameters are extracted, an arbor layer growth dynamic model is established, and then the species diversity and natural update density of a shrub layer are dynamically simulated. According to the method, the limitation of single plant scale is broken through, co-evolution of the arbor layer, the shrub layer and the natural updating layer is integrated for the first time, multi-dimensional prediction and visualization are supported, and scientific support is provided for forestry digital twinning.

The invention relates to a forest tree diameter at breast height and tree height measurement method based on double-layer unmanned aerial vehicle laser radar point cloud fusion in a complex under-forest environment, and belongs to the technical field of forestry measurement. According to the method, multi-source point cloud registration fusion is carried out based on feature point matching and a weighted fusion algorithm; generating a ground DEM and carrying out point cloud height normalization; carrying out individual tree segmentation by adopting an improved mark control watershed algorithm; constructing a multi-dimensional feature vector for each tree, and calculating each feature; extracting a tree height based on the fused point cloud; an effective point cloud coverage index is introduced to judge the effectiveness of a 1.3 m height point cloud, weighted least square circle fitting is adopted to directly extract the diameter at breast height, and a pre-trained multi-feature fusion gradient lifting model is adopted to estimate the diameter at breast height for a tree with point cloud missing. According to the method, complete stand three-dimensional data is obtained through multi-source point cloud fusion, a multi-dimensional feature system is constructed, a complete mathematical calculation framework is established, and the technical problem that the diameter at breast height cannot be accurately measured due to complex under-forest shrub and grass shielding is effectively solved.

The invention relates to an ecological restoration method for a high and cold mine, and belongs to the technical field of ecological restoration. The ecological restoration method for the high-cold mine comprises the step of performing ecological restoration on the high-cold mine by adopting vegetation configuration of shrubs, herbaceous plants A and herbaceous plants B, the herbaceous plants A comprise at least four of elymus dahuricus, siberian wildrye herb, festuca arundinacea, bluegrass, stipa purpurea, ryegrass, frozen artemisia stelleriana and herba artemisiae annuae; the herbaceous plant B comprises at least three of artemisia desertorum, plantain herb, alfalfa, astragalus membranaceus, dandelion and oxytropis philippinarum; the shrub species comprise at least two of sophora moorcroftiana, sabina vulgaris, sea-buckthorn, caragana and buddleia. According to the method, specific vegetation configuration of shrubs, herbaceous plants A and herbaceous plants B is adopted, and soil microorganism resources are recovered quickly; the extreme environment of high and cold mines can be overcome; the ecological system is quickly and efficiently restored, only one-time sowing is needed, and the cost is low; the vegetation and microorganisms interact with each other, so that the survival rate of the vegetation is high.

The invention belongs to the technical field of sand shrub planting, particularly relates to a shrub planting device used under a sand photovoltaic panel, and aims to solve the problems that an existing device is low in planting efficiency and has large limitation in shrub planting, the following scheme is provided, and the shrub planting device comprises a driving walking assembly, a pit digging assembly, a planting assembly and a soil filling assembly; the planting device can advance in the set direction under a sand photovoltaic panel by driving the walking assembly, shrub planting is conducted on the two sides of the device after the walking assembly is driven to advance by a certain distance, the one-time planting hole site digging process and the planting process are synchronously conducted, and the planting efficiency is improved. The planting efficiency of the shrubs under the sand photovoltaic panel is improved, after the shrub saplings are planted in the holes, the dug planting holes can be filled and leveled up through the soil filling assembly, the whole planting process of the shrubs is achieved, and due to the fact that the planting areas are located on the two sides of the driving walking assembly, planting cannot be affected by the heights of the shrub saplings.

The invention belongs to the technical field of remote sensing, and discloses a wolfberry planting distribution high-precision remote sensing monitoring method based on multi-temporal fusion and spectral feature optimization. According to the method, a multi-temporal and multi-spectral satellite image is used as a data source, and preprocessing and multi-temporal image fusion are firstly carried out; the method comprises the following core steps: establishing a time sequence characteristic curve according to a unique phenological period (such as bare soil characteristics in a dormancy period and high vegetation coverage in a rapid growth period) of wolfberry; in a spectral domain, screening out a characteristic spectrum dimension combination with the highest discrimination degree between the wolfberry and other crops through a characteristic wave band optimization algorithm (such as vegetation index difference degree and red edge characteristics); and in combination with an object-oriented classification or deep learning classification model, constructing a space-time coupling classifier, and performing high-precision extraction and distribution mapping on the Chinese wolfberry planting region. The method can effectively solve the problem of confusion classification of Chinese wolfberry and similar ground features (such as other shrubs and orchards), and realizes rapid and accurate monitoring of Chinese wolfberry planting area and spatial distribution.

The invention discloses a high-toughness wetland ecological grid structure and a restoration system thereof. The grid structure comprises a plurality of rows of slope fixing grids which extend longitudinally and are arranged at intervals, and the slope fixing grids in the adjacent rows are arranged in a staggered mode; interval zones between the adjacent slope fixing grids form planting base bands which are communicated with each other. The slope fixing grids and the planting base band are made of artificial substrates of a multi-level pore structure, and a plurality of longitudinally-extending artificial waterways are arranged in the planting base band. The staggered ecological grid structure is matched with the wave-shaped artificial waterway to enhance the overall stability and anti-interference capability of the wetland, and the artificial matrix with the multi-level pore structure improves the water retention, filtration and adsorption effects and enhances the hydraulic connectivity of the matrix. According to the remediation system, a grid structure is divided into four planting belts, the remediation system of an arbor-shrub-grass-hygrophilous four-layer three-dimensional community is formed, a functional microorganism-plant combined remediation mechanism is achieved in cooperation with microbial flora, and the remediation adjusting capacity and stability of the wetland are improved.

The invention discloses a key management method and device, equipment and a medium, and relates to the technical field of information security, and the method comprises the steps that a chameleon-Shrubs authentication tree comprises a chameleon Shrubs tree and a Shrubs node authentication tree, and a multi-time signature public key of the chameleon-Shrubs authentication tree is kept unchanged; the topmost node of the Shrubs node authentication tree is a verification root node obtained based on the Shrubs nodes of each layer in the chameleon Shrubs tree; writing the primary signature public key into a target empty node in a previous chameleon Shrubs tree, and determining a target Shrubs node of the target empty node; determining an updated random number of the target Shrubs node, so as to update the structure of a previous chameleon-Shrubs authentication tree to obtain a current chameleon-Shrubs authentication tree; and verifying a message signature pair obtained based on an authentication path from the target null node to the verification root node by using the multi-signature public key. And the key management overhead is reduced.

The invention provides a monitoring and prevention system for alpine grassland shrubby and a working method thereof, and the system comprises a division and collection module which is used for carrying out the region delimiting of an alpine grassland, and collecting the image data and periodic data in the periodic time of the delimiting region through a satellite, an unmanned plane and manpower, the periodic data comprises periodic data acquisition time, a time interval and environment data of a delimited area at the time; wherein the environment data of the delimited region at the time comprises all parameters related to plant growth in the region, continuous data acquisition is carried out by selecting the region of the alpine grassland, the shrubby development situation of the alpine grassland can be visually known, and the evaluation result of the shrubby development situation of the alpine grassland can be obtained through the Bayesian network correlation evaluation model. The comprehensive benefits of the environment, the society and the economy under different management schemes can be predicted, quantitative prediction results can be provided for grassland management and policy making, and making of more scientific and reasonable management measures is helped.

The utility model discloses a green belt shrub trimmer which comprises a transverse trimming mechanism and two vertical trimming mechanisms arranged on the two sides of the transverse trimming mechanism respectively, the distance between the two vertical trimming mechanisms is adjustable, and the trimming height of the two vertical trimming mechanisms is also adjustable. By arranging the transverse trimming mechanism and the two vertical trimming mechanisms, the trimming requirements of green belts with the top and the side edges meeting the trimming requirements can be met, the size requirements of different green belts can be met by adjusting the distance between the two vertical trimming mechanisms and the trimming height, and the applicability is high.

The invention discloses a wave hydrodynamic numerical simulation method for a sea area provided with a hedge shrub dam, and relates to the technical field of offshore wave simulation, and the method comprises the following steps: S1, determining a target sea area, and collecting actually measured water depth topographic data and chart water depth data of the target sea area, the target sea area being a salt marsh beach sea area where the hedge shrub dam is planned to be arranged; s2, setting grid precision, and constructing a wave hydrodynamic two-dimensional model of the target sea area by using a structured grid; s3, setting boundary conditions for driving the wave hydrodynamic two-dimensional model, and setting initial parameters; and S4, based on the wave hydrodynamic two-dimensional model constructed in the S2, performing numerical simulation on the target sea area by using a sub-grid method to obtain the characteristic wave height and periodic space-time distribution of the target sea area. According to the method, the calculation efficiency can be guaranteed, the wave transmission characteristics of the hedge shrub dam are considered, and the influence of construction of the hedge shrub dam on the wave hydrodynamic environment field can be accurately simulated.

The invention discloses a forestry seedling transplanting device, and particularly relates to the technical field of transplanting, the forestry seedling transplanting device comprises a workbench vehicle body, the front end of the vehicle body is provided with two lifting arms, the surfaces, close to each other, of the two lifting arms are rotatably connected with connecting seats, and the lower ends of the two connecting seats are provided with rotating assemblies; a protection assembly is arranged in the middle of the rotating assembly, and soil loosening assemblies are symmetrically arranged at the lower end of the rotating assembly. According to the forestry seedling transplanting device, synchronous development of multiple procedures such as soil loosening, soil cutting, clamping and protective winding of transplanted plants is achieved through rotation of the rotating assembly, the soil loosening assembly and the soil cutting assembly rotate in the same direction, and the working process of soil loosening and soil cutting is formed; the angle of the soil cutting assembly is changed through the clamping assembly during rotation, it is guaranteed that the soil ball is completely dug out, the damage risk is reduced, the transplanting efficiency is overall improved, and the shrub integrity and the transplanting quality are guaranteed.

The invention discloses a desert steppe shrub above-ground biomass satellite remote sensing estimation method, which is applied to desert steppe shrub above-ground biomass estimation and comprises the following steps: acquiring satellite remote sensing data of an unmanned aerial vehicle measurement area arranged in a desert steppe shrub area; performing gridding processing on an unmanned aerial vehicle sample plot arranged in the unmanned aerial vehicle measurement area to obtain a sample plot grid; acquiring remote sensing data corresponding to the sample plot grid according to the satellite remote sensing data of the unmanned aerial vehicle measurement area and the sample plot grid; and inputting remote sensing data corresponding to the sample plot grids into the trained relation model of the overground biomass of the shrubs in the unit area and the remote sensing data to obtain the overground biomass of the shrubs in the unit area. According to the method, through cooperative monitoring of the desert steppe shrub overground biomass from point to surface to domain, the monitoring scale limitation can be broken through, and rapid and accurate shrub overground biomass estimation can be realized in a region or a larger scale.

The invention discloses a soil-vegetation collaborative ecological restoration method aiming at a shrub invaded wetland, which comprises the following steps of: performing targeted restoration on key factors of soil by designing a fish-scale pit and a composite water-retaining matrix and a layered pH regulation method, controlling the water content and the pH of the soil at a certain level, and performing vegetation reconstruction. High-leaf-area (LA) type plants, high-specific-leaf-area (SLA) type plants and deep-root-system plants are planted in a matched mode, leaf dry matter accumulation is reduced through the canopy complementary effect, and the soil nitrogen conversion efficiency is improved through rhizosphere collaborative design; and finally, the intelligent control system performs long-term monitoring and feedback regulation on the soil condition, so that the maintenance energy consumption is reduced. According to the method, long-acting recovery of the degraded wetland is realized through a closed-loop system of soil matrix improvement, vegetation function configuration and feedback maintenance.

The invention discloses a dry lake basin ecological comprehensive restoration and intelligent monitoring method, and the dry lake basin ecological comprehensive restoration method comprises the steps: carrying out the soil replacement transplantation of a native plant in a dry lake basin, and achieving the edge-locking desertification control in the dry lake basin; indigenous plants are planted on the edge of the dry lake basin in the circumferential direction, and a sand material sealing and controlling plant strip is formed; quicksand on the earth surface is fixed by sowing psammophytes on the quicksand land on the periphery of the dry lake basin and the like; and building a plant sand-fixing grid by planting sand-fixing trees and shrubs in the upwind area on the periphery of the dry lake basin, covering a sand-fixing net and the like. The method can significantly improve the wind prevention and sand fixation efficiency of the area around the dry lake basin, effectively reduces the frequency of wind and sand disasters, provides a solid guarantee for area safety, powerfully promotes the optimization of the soil structure and the natural recovery of vegetation, enhances the water and fertilizer retention capability of soil, and improves the water and fertilizer retention capability of the soil. And the service functions, such as water conservation, climate regulation and the like, of a regional ecological system are also remarkably improved.

The invention discloses a mine remediation system and method based on bottom mud regeneration and bamboo medicine symbiosis, and belongs to the technical field of environment remediation and resource recycling, the mine remediation system comprises the following modules: a bottom mud targeted activation module for converting polluted bottom mud into a mine remediation matrix through heavy metal gradient passivation and organic matter directional activation treatment; the bamboo-medicine-shrub-arbor three-dimensional configuration module is used for constructing a bamboo forest layer, a medicine layer and a grass-shrub-arbor composite layer in the restoration area to form multi-layer vegetation configuration; the water and soil joint control module is used for monitoring the soil moisture content, the vegetation growth state and the water and soil loss risk in real time and dynamically regulating and controlling the water and fertilizer conditions through an intelligent algorithm; through targeted activation of the bottom mud, composite planting of bamboo and medicine, three-dimensional configuration of grass, shrub and arbor and dynamic regulation and control of water and fertilizer, cooperative treatment of ecological restoration and resource recycling of the mine is achieved.

The invention discloses a hillside orchard intelligent shrub cleaning weeding machine, and relates to the technical field of intelligent agricultural machinery, the core structure of the hillside orchard intelligent shrub cleaning weeding machine is a self-adaptive crawler chassis, the self-adaptive crawler chassis comprises a chassis shell and crawlers on two sides, and the contact area between the crawlers and the ground can be dynamically adjusted through telescopic cooperation of a wheel support hydraulic rod and a tripod and a driven wheel; and the trafficability and the stability of the machine on complex mountain terrains are obviously improved. In addition, the machine is further provided with a deformation mechanism, the levelness of the working mechanism can be automatically adjusted according to the terrain, and stable operation on the sloping field and the rugged terrain is ensured. The control and power system achieves centralized driving control over all power mechanisms, and the operation convenience and the intelligent level are further improved. Through the innovative design of the self-adaptive crawler chassis and the deformation mechanism, the defects in the prior art are effectively overcome, remarkable practicability and innovativeness are achieved, the actual requirement for cleaning the shrubs in the hills and mountains can be met, and a new solution is provided for agricultural mechanization development.

The invention relates to the field of garden cultivation and maintenance technologies, in particular to a cultivation and maintenance device and method for tree and shrub planting in poor-drainage soil, comprising a first shunt pipe connected to a water source, a pipe body of the first shunt pipe is fixedly connected with a plurality of second shunt pipes, and a planting area is formed on the ground between two adjacent second shunt pipes; a plurality of irrigation pipes are connected to the two sides of the second flow dividing pipe, the first flow dividing pipe, the second flow dividing pipe and the irrigation pipes are all buried underground, the irrigation pipes located on the two sides of the second flow dividing pipe are obliquely arranged away from each other from top to bottom, and a plurality of water outlet holes are formed in the sides, away from each other, of pipe bodies of the irrigation pipes located on the two sides of the second flow dividing pipe; the multiple water outlet holes are formed in the length direction of the irrigation pipe at intervals, and first non-woven fabric is installed on the outer wall of the irrigation pipe. The tree and shrub irrigation device has the effect of conveniently irrigating soil around tree and shrub root systems.

The invention relates to the field of urban green land evapotranspiration zoning, in particular to an urban green land surface evapotranspiration zoning method and system based on impedance parameters, and aims to distinguish arbor, shrub and lawn transpiration in an urban green land. The method comprises the following steps: firstly, collecting and preprocessing vegetation morphological parameters, meteorological data, canopy surface temperature, soil heat flux, vegetation transpiration and vortex related flux data; calculating leaf boundary layer impedance and canopy stomatal impedance of each vegetation type by using a backstepping Penman-Monteith formula and an earth surface energy balance equation; determining the proportion of each vegetation type in the flux contribution source area through a flux footprint model, and reversely deducing the total aerodynamic impedance and the total stomatal impedance of the earth surface; solving aerodynamic impedance of each vegetation according to an earth surface energy balance equation and performing fitting correction; and finally, the corrected impedance parameters are substituted into a Penman-Monteith model to calculate the transpiration amount of each vegetation. According to the method, the problem of mismatching between single plant scale data and community scale data is effectively solved, and the evapotranspiration partition calculation precision is improved.

The utility model relates to a supported rock slope greening structure. The method is suitable for the technical field of environmental protection. The technical problem to be solved by the utility model is to provide the green recovery structure for the supported rock slope. According to the technical scheme, the supported rock slope greening structure comprises drip irrigation pipelines which are installed on a slope bedrock face through fixing pieces, arranged in a grid shape and used for irrigating green plants on the slope and providing growth and attachment support for the green plants; the planting holes are formed in the side slope bedrock surface, the planting holes correspond to pipeline nodes of the drip irrigation pipelines, and undershrub plants are planted in the planting holes; the planting frames are arranged on the surface of the side slope, the planting frames correspond to the grids of the drip irrigation pipeline, and climbing plants are planted in the planting frames; the adjusting assembly is arranged in the drip irrigation pipeline and used for controlling an irrigation object of the drip irrigation pipeline.

The invention discloses ardealite-based vegetation concrete and a use method thereof.The ardealite-based vegetation concrete is prepared from, by mass, 40%-50% of sand clay, 15%-20% of organic nutrient soil, 15%-20% of ardealite, 1.5%-2.5% of cement, 0.2%-0.5% of a water-retaining agent, 0.15%-0.20% of a microbial agent and the balance water; the use method is three-stage spray seeding, standing needs to be conducted for 15-30 min after spray seeding is completed each time, and herbal seeds and shrub seeds are added into the ardealite-based vegetation concrete during spray seeding in the third stage. According to the method, a large amount of ardealite is consumed, the coverage rate of plant communities is increased, and rapid restoration of the side slope is achieved.

The invention relates to the technical field of water and soil conservation and ecological restoration, in particular to a rapid restoration method for native landforms and vegetation in a northwest construction disturbance area. The method comprises the following steps: before construction, performing investigation and sampling analysis on vegetation types and soil layers of a to-be-disturbed area, and acquiring topographic and geomorphic information of the construction disturbed area by adopting an unmanned aerial vehicle; in the construction process, shrubs in a construction disturbance area are numbered and transplanted, and turfs and soil of all layers are stripped in a layered mode; after construction is finished, soil backfilling maintenance is conducted according to the soil profile hierarchical configuration; shrub plants are transplanted, herbaceous plants are sown, and meanwhile vegetation in the construction disturbance area is managed and maintained. According to the method, the steps are clear, a complete system is formed through a series of operations including vegetation and soil investigation, transplanting, stripping, backfilling, sowing, maintenance and the like, all the steps are closely connected, operation confusion and repeated labor are avoided, and the efficiency and effect of landform disturbance and vegetation recovery work are improved.

The invention provides a vegetation restoration method and system for an eroded shallow trench in a loess area, and the method comprises the steps: 101, carrying out the topographic survey, and obtaining the topographic data; step 102, carrying out soil sampling analysis; step 103, acquiring hydrological data for many years, and determining a shallow trench area in which water and soil loss easily occurs; 104, sequentially planting arbors, shrubs and herbaceous plants from top to bottom on the ditch slopes on the two sides of the determined shallow ditch area in the horizontal direction of the ditch slopes, and arranging gabion boxes at the ditch edges; the gabion boxes are arranged along the ditch edge direction; step 105, planting periploca sepium and herbaceous plants and laying ecological bags at the ditch bottom of the determined shallow ditch area from top to bottom in sequence according to the water flow direction; wherein the ditch bottom is provided with a horizontal step, and the periploca sepium bunge is planted in the horizontal step in a row; and the horizontal step is vertical to the groove edge. Therefore, organic fusion of an engineering structure and vegetation growth is achieved, a long-acting and stable erosion prevention and control system is formed, a shallow trench development channel is effectively blocked, and gradual recovery of regional ecological functions is promoted.

The invention discloses a high-salinity desert region pioneer vegetation rapid planting method based on salinity gradient regulation and control, and relates to the technical field of vegetation planting. The method can effectively regulate and control gradient distribution of salinity in the high-salinity desert region, reduce salt stress of a root zone, improve the seed germination rate and the seedling survival rate of pioneer vegetation, effectively inhibit surface salinity accumulation and optimize moisture distribution, thereby promoting rapid field planting and healthy growth of vegetation; by constructing a stable salinity gradient and moisture regulation and control system, through a micro-irrigation system and a mixed matrix layer, the moisture utilization efficiency is optimized, the fresh water consumption is reduced, the vegetation coverage is improved, the soil erosion risk can be reduced, the stress resistance of an ecological system is enhanced, and the vegetation coverage is rapidly improved in a short time; finally, the desert region is promoted to succession towards a multi-layer and stable arbor-shrub-grass community structure, the soil fertility and the microclimate environment are improved, the stability and the wind erosion resistance of an ecological system are enhanced, and reliable technical support is provided for sustainable ecological restoration.

The invention discloses a geocell movable sand barrier sand prevention system with a dome structure. The lattice chamber movable sand barrier sand prevention system with the dome structure comprises a polygonal movable sand barrier sand blocking belt, a triangular movable sand barrier sand fixing belt and a grid-shaped movable sand barrier sand fixing belt which are sequentially arranged in the main wind direction, and the polygonal movable sand barrier sand blocking belt, the triangular movable sand barrier sand fixing belt and the grid-shaped movable sand barrier sand fixing belt are arranged in a strip shape and are parallel to one another. Each strip extends in the direction perpendicular to the main wind direction. According to the geocell live sand barrier sand prevention system with the dome structure, the structures and functions of plant sand barriers and mechanical sand barriers are combined into a whole, the original sand barrier pattern can be expanded all around through layering propagation, and long-term wind resistance and sand fixation are achieved; the near-surface blank areas among the plant shrubs are filled through division plants generated through layering propagation, the wind resistance and sand storage functions are high, and the good sustainable biological treatment effect is achieved.

The invention relates to the technical field of ecological restoration and water and soil conservation, and discloses a wind prevention and sand fixation forest restoration method and system based on a forestry and agriculture compound system. The method comprises the following steps: deploying a distributed wind sand environment sensing node array, constructing a local wind field dynamic evolution model, and identifying a potential wind erosion hot spot region; generating a dynamic forest belt adjustment instruction based on the identification result, and controlling the deployment position and density of the movable shrub barrier unit; forestry and agriculture composite planting regulation and control are synchronously implemented, deep-root-system sand-fixing plants are arranged in a core protection zone, herbaceous plants are mixed and sown in a transition zone, and economic crops are crop-rotated in a peripheral zone; and the self-adaptive reconstruction of the forest belt structure is realized by continuously monitoring the change of the sand grain flux and feeding back the parameters of the optimization model. Through dynamic sensing, prediction and intervention mechanisms, the wind prevention and sand fixation efficiency is remarkably improved, ecological restoration and farmers and herdsmen livelihood are considered, the actually measured wind erosion hot spot area is reduced by 68%, and the ground surface sand transport rate is reduced by 82%.