349 results about "Shrub" patented technology

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 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 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 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 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%.

The invention discloses a riverway ecological protection slope, and relates to the technical field of riverway nursing, the riverway ecological protection slope comprises a protection slope body which is sequentially arranged from the slope top to the slope toe, the protection slope body comprises a foundation supporting layer, an ecological structure layer and a vegetation community layer from inside to outside, and the ecological structure layer comprises a geotechnical composite material layer laid on the foundation supporting layer; the geotechnical composite material layer is of a three-dimensional net-shaped structure or a bag-type structure. Complex mechanical transmission, movable parts and sealing structures are completely omitted. The ecological niche complementary mixed planting mode of deep-rooted shrubs, shallow-rooted herbaceous plants and slope toe aquatic plants is adopted, the deep-rooted shrubs can enhance the deep stability of a slope body, the shallow-rooted herbaceous plants quickly cover a slope surface to reduce surface erosion, the aquatic plants are connected with a water and land ecological interface, and the deep-rooted shrubs, the shallow-rooted herbaceous plants and the water and land ecological interface cooperate to form a multi-layer and high-stability vegetation community; the water and soil conservation capacity of the bank slope is improved, diversified habitats are provided for animals and plants, and the natural ecological function of the river bank slope is restored.

The invention discloses a forest fire danger early warning system and method based on meteorological and vegetation data analysis, and relates to the technical field of fire risk prediction and control. According to the forest fire danger early warning system and method based on meteorological and vegetation data analysis, fine grid division is carried out on a target forest area through a high-resolution DEM and a multispectral or hyperspectral image, and vegetation type identification is carried out on each monitoring subunit; calculating a wet-dry cycle index WDI, a monsoon effect index MFI and a dry thunderstorm risk factor DRF by combining hourly wind speed, wind direction, relative humidity, precipitation and vapor pressure difference meteorological data; through extracting canopy height, canopy density, under-forest shrub and grass layer thickness and high VOC tree species coverage rate, fuel continuity coefficient FCI and volatile matter flammability index VEI are calculated, and accurate quantification of continuity and flammability of vertical ladder fuel and horizontal canopy is realized. And a comprehensive fire danger index FFI is constructed and subjected to hierarchical management after judgment, so that the dynamism, the hierarchical property and the pertinence of fire danger early warning are realized, and the forest fire danger prevention and control precision and the patrol resource utilization efficiency are improved.

The invention relates to the technical field of municipal greening engineering, in particular to a municipal engineering greening irrigation system which comprises an irrigation assembly, a sensing assembly, an impurity removal assembly and a control assembly, the irrigation assembly comprises an equipment base, and a rubber corrugated pipe is fixedly connected to the upper surface of the equipment base; two electric telescopic rods are fixedly mounted on the upper surface of the equipment base, lifting adjusting plates are fixedly connected to the telescopic ends of the two electric telescopic rods, the two electric telescopic rods are symmetrically distributed on the left side and the right side of the rubber corrugated pipe, and conical flow guide covers are fixedly connected to the opposite ends of the two lifting adjusting plates. According to the invention, by arranging the multi-dimensionally adjustable irrigation assembly, the different requirements are met, and the irrigation requirements of plants with different heights, such as arbors, shrubs and herbaceous plants, are flexibly adapted; the irrigation range can accurately cover each part of a greening area, the problems of coverage dead angles and fixed range of traditional fixed spray irrigation are solved, and local overwetting or drought is avoided.

The invention discloses a multi-factor-driven grass, shrub and tree multi-level configuration method for a hydro-fluctuation belt in a high and cold reservoir area, and belongs to the technical field of plateau wetland ecological restoration and slope surface biological protection. The method comprises the following steps: S1, constructing a high and cold reservoir area bank slope three-dimensional terrain model, and obtaining the slope direction, gradient and elevation distribution information of each slope section; s2, establishing a zoning model; s3, carrying out ecological niche adaptability matching on each subarea, and selecting optimal herbaceous, shrub and arbor types and quantity ratios; s4, establishing a suitable plant database; s5, recovering automatic layout on the scheme graph; s6, adopting a combined construction mode of spray seeding, field planting and broadcast seeding to improve the survival rate; s7, establishing a recovery effect discrimination model, and forming a complementary planting feedback closed loop in combination with threshold control; a technical scheme which adapts to regional environment heterogeneity and automatically recommends a herbal, shrub and arbor configuration structure is constructed, and zoned planting, accurate recovery and structure optimization are respectively performed in three elevation zones A, B and C of the hydro-fluctuation belt.

The application provides a reservoir drawdown zone suitable habitat construction and precise vegetation restoration method, which comprises the following steps: S1, reservoir drawdown zone habitat suitability analysis; S2, reservoir drawdown zone vertical function partition; S3, microtopography regulation; S4, vegetation restoration species selection and partition function configuration. The application fully considers the reservoir periodic flooding rhythm and site environment difference, combines the partition prominent problems, screens the tree-shrub-grass vegetation, and optimizes the partition configuration, so that the functions and benefits such as soil fixation, bank protection, sand interception, pollution interception, water quality protection and biodiversity maintenance are maximized.

1. The name of the design product: brush cutter (YSK BG328). 2. The use of the design product: used for the removal and pruning of weeds and shrubs in fields, courtyards, parks, green belts and other areas. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view 1.

The application discloses a kind of dry lake basin ecological comprehensive repair and intelligent monitoring method, the dry lake basin ecological comprehensive repair method, including by the way such as the soil transplanting of native plant in dry lake basin, realize locking edge sand control in dry lake basin inside;By planting local plant in the circumferential planting of dry lake basin edge, form sand material containment plant strip;By the way such as sowing psammophyte on the quicksand of dry lake basin periphery, to fix ground quicksand;And, by the way such as planting sand-fixing arbor and shrub in the upwind area of dry lake basin periphery and covering sand-fixing net, construct plant sand-fixing grid.The application can significantly improve the wind prevention and sand fixation efficiency of the surrounding area of dry lake basin, effectively reduce the frequency of wind-sand disaster, provide a solid guarantee for regional safety, while effectively promote the optimization of soil structure and the natural recovery of vegetation, not only enhance the water and fertilizer conservation capacity of soil, but also significantly improve the service function of regional ecosystem, such as water conservation, climate regulation and the like.

The invention provides a walking control method, a robot and a computer readable storage medium, the walking control method is applied to automatic walking equipment, the equipment comprises an anti-collision rod arranged at the starting front end and a sensor arranged on the anti-collision rod, and the method comprises the following steps: acquiring image data in front of the automatic walking equipment, and identifying a shrub area based on the data; after one or more shrub areas are identified, depth point cloud data of each shrub area are obtained, and the height of the shrub area is determined based on the depth point cloud data; screening out a shrub area with the height within a preset height range, and recording the shrub area as a to-be-verified shrub area; controlling the automatic walking equipment to approach the to-be-verified shrub area at a first walking speed, and acquiring contact force information when the automatic walking equipment is in contact with the to-be-verified shrub area through a sensor; and when the contact force information meets a preset condition, determining that the to-be-verified shrub area is a traversal shrub area, thereby accurately distinguishing the traversal shrub area and the like in the working environment of the automatic walking equipment, and reducing the probability of mistaken obstacle avoidance.

The invention belongs to the technical field of coniferous and broad-leaved mixed forest recovery, and relates to a method, a device and equipment for recovering a coniferous and broad-leaved mixed forest in a sub-high mangosteen shrub land. According to the specific technical scheme, the method comprises the steps of obtaining stand structure parameters of a sub-high mangosteen shrub land to be recovered, calculating a bamboo layer inhibition dynamic factor according to the stand structure parameters, and determining a target recovery area according to the size of the bamboo layer inhibition dynamic factor; performing strip-shaped alternate cutting on the target recovery area to form a reserved strip and a target cutting strip which are alternately distributed; and determining the type and planting spacing of the target seedlings to be planted, implementing adaptive planting in the target clear cutting zone according to the determined type and planting spacing of the target seedlings, and implementing dynamic recovery intervention and monitoring evaluation on the target recovery area. Compared with a traditional recovery strategy, the method can accurately cope with the complex degeneration environment of the sub-high mangosteen shrub land, the recovery efficiency, the seedling survival rate and the growth performance are remarkably improved, and the bottleneck of poor adaptability in the prior art is broken through.

The application discloses a kind of forest dynamic growth model construction method and system, belong to forestry digital twin technical field.The present application is by constructing real scene three-dimensional model and carrying out single fine modeling, the fine simulation and multidimensional prediction of forest growth process are realized;Forest simulation model and forest basic information are integrated using digital twin platform, extract stand structure parameters, establish arbor layer growth dynamic model, and then the dynamic simulation of shrub layer species diversity and natural regeneration density is carried out.The present application breaks through the single scale limit, integrates the coordinated evolution of arbor layer, shrub layer and natural regeneration layer for the first time, supports multidimensional prediction and visualization, and provides scientific support for forestry digital twin.

The present application relates to a kind of shrub ecological planting module suitable for side slope, including straw planting shell, sponge water storage space, sponge filler, water-permeable hole, bottom water-retaining layer, water-permeable substrate layer, grass planting space, water inlet groove and other structures, when it rains, rain flows from high to low along the slope surface, lawn grass in grass planting space can intercept water flow, quickly infiltrate through water-permeable substrate layer and enter sponge water storage space through water inlet groove and be absorbed by sponge filler, while bottom water-retaining layer in organic planting space also absorbs water; Both jointly act, for shrub root system continuously lock water supply, in dry season, it can also maintain the water supply of plant growth in planting module, save artificial maintenance cost and water resources. The present application realizes the function of "lag, infiltration, storage and use" of side slope soil, improves the nutrient structure of side slope soil body, solves the problems of difficult maintenance, low survival rate and poor slope protection effect after shrub planting on side slope.

The present application belongs to the field of ecology and environmental monitoring technology, and relates to a kind of detection and analysis method for decomposition rate of leguminous sand-fixing shrub litter in field.The present application screens sample area by system grid method, collects and lays out litter bag, synchronously determines initial and current nitrogen content of soil, calculates net increment of soil nitrogen, determines horizontal diffusion boundary of nitrogen, and then obtains soil absorbed nitrogen amount;obtains equivalent dry matter loss amount based on nitrogen balance calibration, and finally determines litter decomposition rate by exponential decay fitting.The method solves the decomposition rate estimation deviation problem caused by nitrogen migration and soil absorption in traditional detection, can more accurately reflect the actual decomposition process in field, improves the reliability of monitoring data, and provides reliable technical support for nutrient cycling research and ecological restoration effect evaluation of desert ecosystem.

The invention discloses a spiral circulation type seed sorting and airing all-in-one machine which comprises a vehicle body, the vehicle body is sequentially provided with a feeding area, a cleaning area, a drying area and an airing area, and the feeding area comprises a shovel plate, a pair of spoon-shaped cutter heads, an air outlet and an impurity collecting groove; the cleaning area comprises a circulating water tank, three spiral conveyors and a plurality of nozzles; the drying area comprises a drying box, an ultraviolet lamp and a discharge port; and the airing area comprises a pair of crawler turning and airing machines. The spiral circulation type seed sorting and airing all-in-one machine provided by the invention is seed processing equipment integrating winnowing, cleaning and drying circulation treatment functions, and is particularly suitable for post-harvest treatment of seeds of ornamental plants, shrubs, grain crops and ground cover plants; the technical problems of high damage rate, low natural airing efficiency and the like caused by traditional mechanical cleaning due to various forms and sensitive physiological characteristics of garden seeds are solved by fusing a fluid mechanics cleaning technology and a temperature control drying technology, and low-loss purification and rapid drying and airing integrated operation of the garden greening seeds is realized.

This invention relates to the field of ecological environment protection and governance technology, specifically to a technical system for preventing wind erosion and sand intrusion along the Yellow River and its construction method. The system includes: a high-level frontal sand-blocking belt, composed of at least two sets of high-level sand barriers, positioned windward and arranged on a continuous chain of adjacent sand dunes; a sand-fixing belt combining checkered sand barriers and native sandy vegetation, composed of straw sand barriers and industrial material sand barriers, arranged alternately, with seeds sown within the straw sand barriers; and a row-type tree and shrub main protection belt, composed of sand-fixing groups and wind-lifting groups. By vertically positioning the high-level frontal sand-blocking belt, the checkered sand barrier and native sandy vegetation sand-fixing belt, the row-type tree and shrub main protection belt, and the riverside edge protection belt along the windward side of the Yellow River channel, from the outside in, these systems intercept, fix, and protect against wind erosion from different levels and angles, improving the effectiveness of preventing wind erosion and sand intrusion along the Yellow River.

The utility model provides a rail type greening shrub spraying device, and particularly relates to the technical field of greening shrub spraying, the rail type greening shrub spraying device comprises a slide rail, when the rail type greening shrub spraying device is used, the slide rail is installed and fixed, water is injected into a water tank from the top, and a motor is started to drive a threaded rod to rotate through an external power switch, so that the water tank is driven to slide on the slide rail; a water pump is started, water in a water tank is pumped out by the water pump, injected into a first water pipe and a second water pipe and then sprayed out through atomization nozzles at the bottoms of the first water pipe and the second water pipe, so that the greening shrubs are sprayed, and the second water pipe is hinged to the first water pipe through a connecting base and a rotating shaft, so that the steering angle of the second water pipe can be adjusted; the spraying range is adjusted by controlling the steering angle, water in the first water pipe enters the second water pipe through the corrugated hose, after the angle is adjusted, the first bolt is screwed, one end of the first bolt is inserted into the corresponding pin hole, and therefore the second water pipe is fixed.

1. Name of the product in this design: Scissors (DXP-35). 2. Purpose of this design: for repairing shrubs and pruning branches. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to a garden grass and tree transplanting device which comprises two moving seats and a lock catch used for locking the two moving seats together, universal wheels are arranged at the bottoms of the two moving seats, and the garden grass and tree transplanting device is characterized in that through grooves are formed in the surfaces, abutting against each other, of the two moving seats; the two through grooves communicate with each other to form a containing cavity used for containing grass and trees, a baffle used for bearing the grass and trees is rotationally connected into one through groove, the baffle blocks the containing cavity, and a limiting part used for limiting rotation of the baffle is further arranged on the movable base. Grasses and trees are carried by pushing the two moving seats, so that the physical loss of workers for carrying the grasses and trees is reduced, and the transplanting efficiency of the grasses and trees is guaranteed.

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

This utility model discloses a shrub transport vehicle, including a base plate. Two brackets are fixedly installed on the front side wall of the base plate, and two triangular brackets are fixedly installed on the upper end of the base plate. A wheel axle is arranged between the two triangular brackets, with both ends of the wheel axle passing through the two triangular brackets and extending to the sides of the two triangular brackets that are far apart from each other. The wheel axle is rotatably connected to the two triangular brackets, and a wheel body is fixedly fitted on the two extended ends of the wheel axle. A connecting column is fixedly installed at the top of each of the two triangular brackets. This utility model, through a uniquely designed transport vehicle, can lift shrub balls effortlessly using the principle of leverage, and then transport them manually. The walking speed of humans is faster than that of excavators and other machinery, which can improve transport efficiency, reduce transport costs, avoid damage to seedlings during transportation, and allow for reuse.

The invention relates to the technical field of shrub seedling raising, in particular to a plateau shrub seedling raising system which comprises a seedling raising box, a heat preservation box is fixedly connected to the seedling raising box, a box cover is hinged to the heat preservation box, a plurality of seedling raising openings are formed in the seedling raising box at intervals, and seedling raising plates are clamped in the seedling raising openings. A fixing frame is integrally formed in the seedling raising plate, a fixing cylinder is integrally formed on the fixing frame, a root guide groove is formed in the inner wall of the seedling raising plate and spirally formed along the inner wall of the seedling raising plate, water permeable holes are formed in the bottom of the seedling raising plate, and the effects of reducing shrub seedling packing and improving shrub seedling raising efficiency are achieved.

A tree and shrub identification tag device is provided. The device is comprised of a tag designed for efficient and adaptable plant identification while promoting environmental sustainability. The device comprises eco-friendly materials, including biodegradable and recyclable plastics, to ensure durability and weather resistance through UV protection additives and waterproof coatings. The tag body is available in various sizes and features a rubberized texture for enhanced grip. A notched slot at one end allows for secure attachment and easy removal, while perforations facilitate damage-free detachment from around a plant. The device may also be comprised of a color-coding system for categorizing plant types and includes a customizable surface for detailed labeling. Additionally, the tag may incorporate QR codes for accessing digital resources such as care guides and supplier information, enhancing overall plant management and user experience.

The invention relates to the technical field of soil ecological restoration, in particular to a soil ecological restoration method and application. The soil ecological restoration method provided by the invention comprises the following steps: S1, adding a soil conditioner into surface soil, mixing, and balancing to obtain improved soil; s2, arbuscular mycorrhizal fungi and bacillus are mixed with water, a fungicide A and a fungicide B with different concentrations are obtained, and the concentration of the fungicide A is larger than that of the fungicide B; s3, dipping roots of arbors and shrubs in a fungicide A, planting the arbors in the improved soil, and planting the shrubs among the arbors in a penetrating manner; s4, after the arbors and the shrubs are planted, herbs are planted on the improved soil, and a fungicide B is sprayed on the improved soil. Through cooperation of multiple strains and adaptation of the soil conditioner and dominant plants in the polluted area, efficient remediation of the composite heavy metal polluted soil is achieved, ecological safety and economical efficiency are both achieved, and secondary pollution is avoided.

This invention discloses a method for creating a peony flower sea landscape with soil stabilization and slope protection functions. The steps include: slope preparation; improving the slope soil with compound nutrient soil and digging planting holes; mixing peonies with different root types on the slope; after planting the peonies, evenly sowing different grass seeds on the peony slope; and cultivating and maintaining the vegetation. Advantages include: mixed planting according to peony root type and slope, combined with retaining walls and soil improvement, increases the survival rate by 8.5%; three-dimensional intercropping of shrubs and grasses for soil stabilization and slope protection achieves 99% green coverage and a topsoil loss rate of 0.2% within two years, combining ecological restoration and flower sea landscape, with low cost and easy promotion.

The utility model provides a kind of farmland type ecological buffer zone structure, it is related to agricultural ecological environment management technical field, including land buffer area one, ecological regulation pond, land buffer area two and concave green land, land buffer area one, ecological regulation pond, land buffer area two and concave green land are sequentially distributed from farmland side to river embankment side, land buffer area one and land buffer area two are planted with arbor shrub and grass flower mat, the ecological regulation pond is sequentially provided with impermeable layer, adsorption layer and plant layer from bottom to top, the concave green land is laid with buffer base, the concave green land is planted with herbaceous plant and shrub. This structure effectively intercepts farmland non-point source pollution, reduces river pollutant, helps to strengthen river self-purification capacity, promotes aquatic animal and plant diversity development, and guarantees ecological benefit to play well.

The invention relates to the technical field of shrub overwintering cold protection, in particular to a shrub overwintering cold protection device which comprises cold protection cloth, an opening capable of being tightened is formed in the bottom of the cold protection cloth, and two tightening ropes extend from the opening capable of being tightened; the two groups of rope winding fixing mechanisms are symmetrically arranged on the ground on two sides of the shrub and are in one-to-one correspondence with the two tightening ropes respectively; each group of rope winding fixing mechanism comprises a base, a cylindrical shell, a winding reel, a rope winding driving structure and a ground fixing structure; the base is placed on the ground, and the cylindrical shell is vertically arranged at the top of the base; the winding reel is vertically arranged in the shell; the rope take-up driving structure is arranged in the shell, and the working end of the rope take-up driving structure is connected with the top of the winding reel; the ground fixing structure is arranged on the base and used for fixing the base to the ground. The problem that tightening force is not uniform is solved, efficient tightening and stable fixing of the opening are achieved, operation is convenient and fast, a sealed cold-proof space is formed, and the shrub cold-proof effect is effectively improved.