46 results about "Buffer strip" patented technology

The invention discloses a three-dimensional water ecological restoration method based on an ecological system, and the method specifically comprises the following steps: S1, carrying out the construction of a temporary dam for a river channel of a construction area, and carrying out the water ecological operation and water level reduction for the construction area; impurity cleaning is conducted on the river channel area after the water level is lowered; s2, in-situ remediation of the bottom mud: scattering a bottom material modifier in the river channel area after the sundries are cleared to complete the in-situ remediation of the bottom mud; submerged plants are planted; s3, after the submerged plants are planted, an ecological water purification barrier and a biological grid are installed, and water purification is conducted; s4, emergent aquatic plant buffer zone planting, microorganism regulation and control and aquatic animal putting are conducted on the two sides of the river channel, a three-dimensional water ecological restoration network is constructed, and water ecological restoration is completed. Through the synergistic effect of the ecological water purification barrier and the biological grid, rapid and high-strength physical adsorption and microbial degradation of pollutants are achieved, meanwhile, ecological niche is built, and recovery of biological diversity is achieved.

The invention relates to the technical field of water treatment, and discloses a multi-stage linkage water quality purification treatment method for drainage basin treatment, which comprises the following steps: reducing the flow rate of drainage basin runoff entering a pretreatment pool by using a stepped energy dissipation ridge; an overflow weir is arranged between the pretreatment pool and the biochemical purification unit, runoff with the flow lower than a threshold value is guided to the biochemical purification unit according to a water level pressure head, and excessive flow is guided to a bank zone ecological buffer zone; enabling the runoff to sequentially flow through the anaerobic biological filter tank and the aerobic ecological tank, and generating gravity flow by utilizing a unit elevation difference; according to the invention, the self-adaptive flow distribution is realized by utilizing a water level physical signal, the scouring stripping of a microbial film of a biochemical unit by a dynamic load is effectively prevented, and the stability of the effluent quality of the system is maintained through kinetic energy level conversion.

Disclosed in the present invention is a slope protection brick for restoring a vegetation buffer zone, which relates to the technical field of slope protection devices. The slope protection brick includes a regular hexagonal brick main body, and an interior of the brick main body employs a hollow structure. Each side wall of the brick main body is provided with a water input hole, a top and a bottom of the brick main body are provided with funnel-shaped drain hoppers, and a side wall of each drain hopper is made of a water permeable material. A sealing block is arranged in each drain hopper in an abutted manner, the sealing block and the brick main body are jointly provided with a plurality of inverted trapezoidal grooves which are in mutual communication, and a limiting block is clamped in each inverted trapezoidal groove.

This invention relates to a riverbank vegetation buffer zone and its construction method, belonging to the field of ecological protection technology. The buffer zone includes multiple plant modules set along the riverbank slope, with adjacent rows of plant modules arranged in a stepped, staggered pattern. Each plant module includes a ring-shaped base plate fixed to the riverbank slope, a porous cylinder rotatably mounted on top of the ring-shaped base plate, and a planting cylinder located within the porous cylinder. The bottom end of the planting cylinder is fixedly connected to the riverbank slope. A dual-effect buffer system is provided on the porous cylinder, comprising multiple sets of outer buffer components evenly distributed along the outer circumference of the porous cylinder and multiple sets of inner buffer components evenly distributed along the inner circumference of the porous cylinder. One end of each outer and inner buffer component abuts against the outer and inner walls of the porous cylinder, respectively. This buffer zone, through the porous cylinder, outer buffer components, and inner buffer components forming a multi-level buffer structure, effectively absorbs the impact energy of water flow of varying intensities, effectively protecting the plant modules.

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 field of reclaiming equipment, and provides a scraper reclaimer for a mine stockyard, the scraper reclaimer comprises a reclaimer body, a connecting piece, a first buffer structure, a second buffer structure and a scraping structure, the first buffer structure comprises a first mounting plate, a connecting rod, a second mounting plate and a buffer assembly; and the second buffer structure comprises a third mounting plate, a connecting assembly and a buffer strip. A third mounting plate is connected with a scraping structure, resistance and acting force during collision can enable the third mounting plate to move in the horizontal direction and extrude buffer strips on the peripheral side, and certain buffer and energy dissipation effects can be achieved through the buffer strips; through the connecting rod hinged between the second mounting plate and the first mounting plate and the buffer assembly, when the angle of the second mounting plate is changed, the buffer assembly can further play a role in buffering and energy dissipation; and through the cooperation between the second buffering structure and the first buffering structure, the impact force generated on the chain can be obviously reduced, and therefore the good protection effect is achieved.

The invention provides a sewage purification treatment device, and relates to the technical field of sewage treatment. The sewage purification treatment device comprises a filter cage, an internal purification module and an external purification module, a purification cavity with an opening in the top side is formed in the filter cage, and the opening in the top side corresponds to the sewage direct discharge port; the internal purification module is arranged in the purification cavity and comprises a deep purification layer, a filtration and adsorption layer and a vegetation buffer layer which are sequentially arranged from bottom to top, and drainage assemblies are arranged in the deep purification layer and used for discharging purified water out of the purification cavity; the external purification module is arranged on the periphery of the filter cage and comprises a waterproof buffer zone and a vegetation buffer zone which are sequentially arranged from inside to outside, the water outlet end of the drainage assembly is located in a buffer space formed between the waterproof buffer zone and the filter cage, and the vegetation buffer zone is arranged on the periphery of the waterproof buffer zone in a surrounding mode.

The invention discloses a multi-level dynamic toughness coast protection system and a design method, and the system sequentially comprises, from sea to land, a leading edge self-adaptive buffer zone which is arranged at a seabed scarp at the leading edge of a main seawall, is made of a discrete material, and is set to dynamically adjust the form to a stable profile under the action of hydrodynamic force; the offshore submerged siltation promotion and wave absorption barrier is arranged behind the front edge self-adaptive buffer zone in parallel, the crest elevation of the offshore submerged siltation promotion and wave absorption barrier is located near the average tide level, and the offshore submerged siltation promotion and wave absorption barrier is arranged to reduce wave energy and form a siltation promotion area between the offshore submerged siltation promotion and the main seawall; the artificial bionic wave absorbing beach reef system is formed in the siltation promotion area, has the width and the elevation simulating a natural reef and is arranged to break waves in advance so as to dissipate wave energy; the ecological composite section main body protection structure serves as ultimate protection and is provided with a gentle slope or a composite section. According to the method, the safety, the reliability and the economical efficiency of an engineering scheme are ensured.

The utility model relates to the technical field of curbs, and discloses a high-quality sand-permeable horizontal curb which comprises a fabric layer, a base layer, an anti-collision buffer strip, an anti-freezing layer and a connecting rod, the fabric layer is fixed on the outer side of the base layer, the fabric layer is composed of modified epoxy resin and granite particles, an arc-shaped top is arranged at the top of the fabric layer, and the anti-collision buffer strip is arranged at the bottom of the arc-shaped top. An anti-freezing layer is fixed at the bottom of the base layer and is made of foam concrete, a plurality of first water-permeable holes are formed in the base layer, a plurality of second water-permeable holes are formed in the anti-freezing layer, the first water-permeable holes are aligned with the second water-permeable holes, and an anti-collision buffer strip is fixed on each of two side edges of the top of the fabric layer. The two ends of the connecting rod are each fixedly provided with two elastic blocking pieces, the elastic blocking pieces are made of spring steel, and the two ends of the base layer are each provided with a clamping groove used for allowing the connecting rod to be inserted. According to the utility model, mutual connection is stable; water permeability and drainage performance are good; the anti-collision performance and the anti-freezing performance are good.

The utility model is applicable to the technical field of ecological buffer zones, and provides an ecological buffer zone based on double-layer pine piles, which comprises double-layer wood pile structures constructed in rows at the edge of a riverway according to different height differences, and a soil layer along the bank of the riverway, the double-layer timber pile structure comprises a front-layer pile located at the low position of the river edge and a rear-layer pile located at the high position of the river edge, and an ecological buffering middle zone is arranged between the front-layer pile and the rear-layer pile. A gravel layer and a biochar layer are sequentially laid on the top layer of the soil layer from bottom to top. Therefore, the ecological buffer zone can effectively intercept and purify pollutants in water flow, reduce water and soil loss, improve soil fertility, promote plant growth and form a stable and sustainable ecological buffer system through various action mechanisms of biology, physics, chemistry and the like; the method has important significance in the aspects of river ecological environment protection, water quality improvement, ecological balance maintenance and the like.

This invention relates to the fields of highway ecological engineering and traffic safety engineering technology, and discloses a construction method for ecological buffer zones at highway tunnel entrances. This method involves preliminary surveying to complete the functional zoning design of the buffer zone, followed by sequential implementation of foundation remediation and slope stabilization treatment, construction of a layered buffer structure system, construction of zoned adaptive ecological communities, and construction of a light control and disaster prevention system. Finally, it culminates in quality acceptance and the establishment of a long-term maintenance system. This invention, through a technical approach of "zoning design - structural synergy - functional integration," simultaneously addresses six core pain points at tunnel entrances: abrupt changes in driving light environment, traffic noise pollution, slope instability, road surface pollution, ecological fragmentation, and insufficient emergency disaster prevention. The constructed buffer zone combines multiple functions, including driving safety assurance, ecological restoration, pollution control, and landscape coordination. The construction process is standardized, highly replicable, has a high vegetation survival rate, and low subsequent operation and maintenance costs, meeting the requirements for green highways and ecological transportation construction.

The utility model discloses a riverway buffer zone layout structure which comprises a frame body, a top frame fixedly connected to the top of the frame body, a rubber sleeve arranged on the inner wall of the top frame, a glass cover capable of sliding up and down installed on the inner wall of the rubber sleeve, a threaded sleeve vertically penetrating through a side plate, and a top plate installed on the opposite face of a lifting plate. A rotating disc capable of rotating the threaded column is installed above the top plate, the outer wall of the same side of the lifting plate is fixedly connected with the top end of the outer wall of one side of the glass cover, when a worker rotates the rotating disc, the threaded column rotates along with the rotating disc, and at the moment, the rotating threaded column can move up and down on the inner wall of the threaded sleeve; meanwhile, the lifting plates on the two sides of the top plate above the threaded columns can drive the glass cover to move up and down together, so that the height of the glass cover is adjusted, green plants with different heights are conveniently protected, through the arrangement of the glass cover, sunlight is conveniently irradiated on the turf and the green plants, and normal growth of the turf and the green plants is facilitated.

The invention provides a compound ecological river section structure and an in-situ remediation construction method thereof, and relates to the technical field of water ecological remediation. The method comprises the steps that a hard lining of a river channel to be repaired is removed, and a compound permeable trapezoidal section is reconstructed; sequentially laying a bottom gravel layer, a middle porous filter material layer and a surface pebble layer at the bottom of the central main riverbed, and planting aquatic plants to form a multi-stage purification substrate; a permeable nail dam is built at the junction to disperse lateral scouring force, and a fish scale dam is built in the central main riverbed to produce falling fall so as to cooperate with a substrate to improve the purification efficiency; inner-layer geotechnical cloth, a slope protection gravel layer and outer-layer geogrids are sequentially laid on the surface of the lateral slope area to form a flexible anti-scouring base layer, prefabricated ecological building blocks are assembled on the outer side of the base layer, and indigenous plants are planted on the outer side of the base layer to form a composite ecological revetment; and a vegetation buffer zone is constructed at the top of the composite ecological revetment, and a front filtering barrier is formed to intercept non-point source pollution. The problems of river habitat blocking and revetment instability are solved.

The utility model belongs to the technical field of water seepage and drainage, and particularly relates to an air conditioner condensate water drainage system which comprises a foundation pit and a condensate water pipe, a base platform is laid on the bottom wall of the foundation pit, a water seepage pipe is arranged above the base platform, and the upper end of the water seepage pipe protrudes out of the earth surface; the water seepage pipes and the side wall of the foundation pit are arranged at intervals to define an annular space, water seepage filler is arranged in the annular space to form a water seepage supporting belt, and the top face of the water seepage supporting belt is flush with the earth surface. The lower end of the condensate pipe is positioned in the water seepage pipe which is filled with water seepage filler to form a water seepage buffer zone; a plurality of water seepage holes positioned below the earth surface are formed in the side wall of the water seepage pipe; the annular space is communicated with the water seepage pipe cavity through the water seepage holes. Condensate water is discharged into the water seepage pipe and is buffered by the water seepage buffering belt, then the condensate water permeates into the annular space along the water seepage holes in the water seepage pipe, the side wall of the foundation pit is supported by the water seepage supporting belt, water flowing out of the water seepage holes is further buffered and then permeates into lateral soil of the foundation pit, and the structural stability of the soil on the periphery of the foundation pit is improved.

The application discloses a kind of modular dynamic load three-dimensional greening systems. Including bearing frame, plant module, prestressed connecting piece etc. Bearing frame is fixed to building facade or roof, top integrated flexible solar film, bottom is provided with water collecting tank;Plant module is connected with frame through prestressed connecting piece, connecting piece uses alloy steel, built-in dynamic load monitoring module and self-adaptive adjusting mechanism can disperse wind load and snow load;Multi-layer composite lightweight substrate is provided in module, including water-retaining, nutrient, drainage layer, there is macromolecular water-absorbing resin film between water-retaining layer and nutrient layer;Capillary bundle is communicated with water storage layer, and water circulation is formed;Ecological buffer zone is formed three-dimensional netted anchoring structure by drought-resistant creeping plant root system, spiral groove is provided in side wall to guide root growth, surface is sprayed with microbial inoculant;Quick-mounting interface is designed with stainless steel spring buckle and guide groove, additional magnetic auxiliary positioning device and sealed self-checking module.

The invention relates to the technical field of river water quality treatment, in particular to a river water quality treatment device which is characterized in that a plurality of groove holes are formed in the upper end of a floating frame at equal intervals in the length direction, a planting pot is arranged in each groove hole, a self-adaptive anchoring mechanism for fixing is arranged on the floating frame, and the bottom end of the floating frame communicates with an open frame; a filter screen used for filtering sundries is arranged on an opening of the open frame, a first buffer plate is arranged on one side of the inner wall of the open frame, a second buffer plate is arranged on the other side of the inner wall of the open frame, the first buffer plate and the second buffer plate are distributed in a staggered mode, and a perforated plate used for buffering water flow is arranged in the open frame. Water flow is primarily buffered through the first buffer plate and the second buffer plate, the water flow is secondarily buffered through the perforated plate, kinetic energy of the water flow is consumed, the impact strength when the water flow makes contact with the bottom end of the planting basin is reduced, accordingly, plant roots are prevented from being scoured and damaged by the water flow, damage to the plant roots is avoided, and the wastewater treatment effect is improved.

The invention discloses a water quality guarantee system of a drinking water reservoir, and relates to the technical field of drinking water reservoir management, and the water quality guarantee system comprises an exogenous pollution interception module for constructing a plant buffer zone, a purification ditch and a sewage interception pipe network three-level defense line; the endogenous pollution treatment module adopts a bottom mud active covering and targeted desilting combined technology; the intelligent monitoring and early warning module realizes real-time monitoring and early warning traceability through a sensor array and a machine learning model; the ecological purification and regulation and control module constructs submerged plant communities and regulates and controls a gate in combination with hydraulic power; the grading emergency disposal module presets a three-level response mechanism; according to the invention, collaborative prevention and control of multi-source pollution can be realized, and the problem of fragmentation of traditional treatment is solved; through an intelligent early warning and tracing technology, the hysteresis of traditional manual monitoring is broken through; by means of an ecological-engineering coupling purification technology, ecological damage is avoided while the purification efficiency is improved; and rapid control of sudden pollution is realized through a grading emergency response technology.

The invention relates to the technical field of coal sampling, and discloses a coal sampling device for a coal preparation plant, the coal sampling device comprises a support, a roller, a belt body and a sampling box, the sampling box is internally provided with a baffle and a material receiving plate, the surface of the material receiving plate is provided with a plurality of buffer strips for delaying blanking, the bottom of the material receiving plate is fixedly connected with a partition plate, and the partition plate is fixedly connected with the roller. The interior of the sampling box is divided into a material cavity and a sampling cavity by a partition plate, a square groove allowing a sample to pass through is formed in the surface of the partition plate, an air blowing assembly and a collecting assembly which are matched with the square groove are arranged on the inner wall of the sampling box, the collecting assembly is arranged in the sampling cavity, and the collecting assembly comprises a sampling box; a guide plate matched with the sampling box is fixedly connected to the inner wall of the square groove, rotating plates are fixedly connected to the two sides of the sampling box, and the rotating plates are hinged to the inner wall of the sampling cavity. The method has the effect of improving the coal full-section sampling precision and accuracy of the coal preparation plant.

The present application relates to the technical field of water environment treatment, solves the technical problems that the existing buffer zone design generally has the problems of width / structure determined by experience, lack of multi-scenario adaptation and quantifiable ecological target constraint, and particularly relates to a method for constructing a composite buffer zone at a lake inlet based on a hydrology-water ecology response model, a multi-scenario fingerprint library is constructed based on multi-source data of a target lake inlet area, a hydrology-water ecology response model is established for quantifying ecological indexes such as transparency, algal risk and submerged plant adaptability probability into an ecological response vector, a functional unit library is constructed and structure gene coding is used to describe the topology and parameters of units such as dissipation allocation, sedimentation dredging, reaction bed fixation, vegetation rhizosphere reaction and bottom protection and motion suppression; multi-objective inversion optimization and robustness evaluation are carried out under multi-scenarios, and a composite buffer zone spatial layout, size parameters and operation and maintenance trigger threshold values that meet flood discharge and stability constraints are output, so that parameterization and deliverable design of the lake inlet buffer zone are realized.

The application relates to the technical field of transportation conveying, in particular to a buffer device of a mine ore conveying belt conveyor, which comprises a belt conveyor body, a supporting body, a support seat, a buffer unit, a lateral overload gas support and a material guiding part, the belt conveyor body comprises a rack, the upper side of the rack is fixedly connected with a plurality of supporting rollers, the inner side of the rack is provided with a conveying belt, the upper belt of the conveying belt is arranged on the upper side of each supporting roller, and the upper belt of the conveying belt is provided with the supporting body at the lower side, in the application, the support seat, the buffer unit, the lateral overload gas support and the material guiding part and other structures are arranged, so that the buffer device of the mine ore conveying belt conveyor can adaptively share the pressure borne by the buffer strip according to load changes under high-impact and large-flow working conditions, the service life of the buffer strip is obviously prolonged, the replacement frequency of the buffer strip is reduced, the downtime maintenance time and the labor and material expenditure are reduced, and the maintenance and operation costs are effectively controlled.

The utility model relates to the technical field of afforestation landscape area soil fixation, especially relates to a kind of afforestation landscape area soil fixation system.Its technical scheme includes sidewalk and biological retention zone, reinforcing granite is laid between the sidewalk and biological retention zone, separating granite is laid in the biological retention zone, pebble buffer zone is laid in the separating granite, multiple drainage grooves are equipped on the sidewalk, the water outlet of drainage groove is communicated with the inlet of pebble buffer zone, the outlet of pebble buffer zone extends into biological retention zone.The utility model can reduce the impact of rainwater by the setting of cobblestone deceleration zone, so that the impact of rainwater is reduced, and the rainwater flows into the biological retention zone safely, effectively protecting the soil in the biological retention zone from being washed away, providing a good growing environment for plants, keeping the road clean, and more effectively replenishing groundwater and being purified.The structure is simple, effective, economical and environmentally friendly.

The invention relates to the technical field of transportation and conveying, in particular to a buffering device of a mine crushed ore conveying belt conveyor, which comprises a belt conveyor main body, a supporting main body, a bracket, a buffering unit, a lateral overload gas conveying support and a material guiding part, the belt conveyor main body comprises a rack, and a plurality of carrier rollers are fixedly connected to the upper side of the rack; a conveying belt is installed on the inner side of the machine frame, an upper belt body of the conveying belt is arranged on the upper sides of the carrier rollers, and a supporting body is arranged on the lower side of the upper belt body of the conveying belt. Through the arrangement of the bracket, the buffer unit, the lateral overload gas transmission support, the material guide part and other structures, the buffer device of the mine crushed ore conveying belt conveyor can adaptively share the pressure borne by the buffer strip according to the load change under the working conditions of high impact and large flow, the service life of the buffer strip is remarkably prolonged, the replacement frequency of the buffer strip is further reduced, and the service life of the buffer strip is prolonged. The shutdown overhaul time and the labor material expenditure are reduced, and the maintenance and operation cost is practically controlled.

This invention belongs to the field of aquatic ecological restoration technology, specifically relating to a wetland buffer zone system based on a polyhydroxyalkanoate-induced denitrifying bacteria system. The system includes: a wetland buffer zone substrate with a sloping top surface; several emergent plants planted on the slope of the substrate; a denitrifying bacteria system comprising several polyhydroxyalkanoate strips embedded in the substrate; and several partitions with mesh openings embedded in the substrate. The slow-release properties of the polyhydroxyalkanoate and the periodic metabolism of the emergent plants ensure the long-term activity of the denitrifying bacteria, while the structural partitions ensure the system's stability under complex hydraulic conditions. This invention combines the advantages of efficient nitrogen removal, ecological restoration, and low maintenance costs, making it suitable for river and lake buffer zones, constructed wetlands, and other similar applications.

The present application relates to a kind of lake natural ecological restoration method, historical ecological data analysis and ecological system status survey are carried out to the lake to be repaired;Pioneer plant buffer zone is formed by planting floating leaf plants in the center area of the lake to be repaired and / or wind and wave center area;At least one sub-recovery area is set in the lake to be repaired, and all sub-recovery areas are carried out ecological restoration according to preset order, and the measures of ecological restoration include constructing stable primary submersed plant community in each sub-recovery area;Wherein, the primary submersed plant community can stably produce propagule;The propagule produced by each sub-recovery area can be naturally dispersed and planted and spread to other locations outside the sub-recovery area in the lake to be repaired by natural force, to form stable secondary submersed plant community, to expand the repaired area that has been completed;Propagule further disperses, plants and spreads.The outstanding advantages are less investment, fast repair, and suitable for the repair of medium and large lakes.

The invention relates to the technical field of water environment treatment, solves the technical problem that the existing buffer zone design generally has the defects of width determination / structure determination according to experience and lack of multi-scene adaptation and quantifiable ecological target constraint, and particularly relates to a lake inlet composite buffer zone construction method based on a hydrological-water ecological response model. The method comprises the following steps: constructing a multi-scene fingerprint database based on multi-source data of a target lake entrance area, and establishing a hydrological-water ecological response model for quantifying ecological indexes such as transparency, algae risk and submerged plant survival probability into ecological response vectors; constructing a functional unit library, and describing topologies and parameters of units such as dissipation distribution, sedimentation dredging, reaction bed fixation, vegetation rhizosphere reaction and bottom protection movement inhibition by adopting structural gene coding; and carrying out multi-target inversion optimization and robustness evaluation under multiple scenes, and outputting a spatial layout, a size parameter and an operation and maintenance trigger threshold value of the composite buffer zone meeting flood discharge and stability constraints, so that parameterization and deliverable design of the lake entrance buffer zone are realized.

The invention provides a plant buffer strip structure capable of improving biodiversity in mountainous areas, and relates to the technical field of plant buffer strips, mounting grooves and mounting frames jointly form a connecting structure, a notch is formed in a support, and a guide wheel is mounted in the notch. The problems that after planting of a buffer zone is completed, if landslide and other conditions occur, plants are likely to fall off, follow-up maintenance is affected, and limitation exists are solved, external ambient light is obtained through arrangement of a photovoltaic assembly and an energy storage assembly which are arranged on a support, and the energy storage assembly is arranged on the support; power is synchronously supplied to the two warning assemblies arranged on the front end face of the support, and the planting condition of the planting belt by a current operator can be quickly identified and detected through power supply of the warning assemblies and is synchronously fed back to the warning assemblies for the operator to observe and use; therefore, the purpose of higher practicability is achieved.

The invention discloses a drainage basin water and soil conservation measure configuration method based on multi-objective optimization, and the method comprises the steps: constructing a multi-objective function of drainage basin carbon sequestration, erosion reduction and cost and constraint conditions thereof according to basic data and the measured organic carbon content of soil of different water and soil conservation measures; carrying out solution optimization on the multi-target constraint condition by using an NSGA-II optimization algorithm; the simulation efficiency and the result precision are greatly improved, and through verification of multi-basin actual monitoring data, the problems that a traditional method is slow in convergence and large in deviation are effectively solved; according to the method, carbon sequestration enhancement, erosion reduction capability improvement and construction cost reduction are taken as core optimization objectives, the synergistic effect of measures such as terraces and vegetation buffer zones can be accurately quantified, a configuration scheme is scientifically optimized, high-precision numerical model support is provided for basin water and soil conservation decision making, optimal balance between ecological benefits and economic cost is helped to be found, and the method is suitable for popularization and application. And efficient and scientific development of water and soil conservation work is promoted.

This invention belongs to the field of ecological restoration technology and relates to a method for the overwintering survival of willow shrubs in grassland and river / lake buffer zones in cold and arid regions. Specifically, it includes: laying an insulating mat at the base of the willow shrubs in autumn; this mat is composed of a lower fiber layer, a sheep manure filling layer, and an upper fiber layer sewn together and fixed to the ground; before the soil freezes, covering the shrub branches with fiber sleeves and leaving ventilation holes, and simultaneously setting up a fence around the shrubs; promptly removing snow and inspecting the insulating mat after heavy snowfall; removing the fence after the spring temperatures rise, allowing the fiber sleeves and insulating mats to degrade naturally. This invention significantly improves the overwintering survival rate and the following year's sprouting ability of willow shrubs through the synergistic effect of the insulating mat preventing frost damage and providing nutrients, the fiber sleeves preventing water loss, the fence preventing grazing, and the bottom gaps ensuring ecological connectivity. The materials are completely degradable and pollution-free, and the construction is simple, seamlessly integrating with a rapid sprouting restoration system.