44 results about "Green vegetation" patented technology

The invention discloses an urban drainage system multi-node cooperative control method based on multi-objective optimization, and relates to the technical field of drainage, and the method comprises the steps: obtaining a water loss coefficient of an urban basic block; analyzing to obtain a water level upper limit and a water level lower limit of the urban basic block; respectively forming a first water storage plot set and a second water storage plot set of the urban basic blocks; analyzing to obtain the water level variation of the city basic block on the day; determining management attributes of the urban basic blocks; forming a drainage set of the urban basic blocks; and forming a drought-resistant set of the urban basic blocks. By obtaining the water loss coefficient of the urban basic block, obtaining the water level variation of the urban basic block on the day and forming the flood drainage set and the drought resistance set of the urban basic block, various factors of planting in each city are considered in a targeted mode, the selected scheme can meet the drought resistance and flood drainage requirements to a large extent, and therefore the method has the advantages that the planting efficiency is improved, and the planting cost is reduced. And the urban drainage system is controlled through the greening vegetation.

The roof system comprises modular roof trays, each modular roof tray is provided with a vegetation layer, a substrate layer, a filtering layer, a drainage layer and a water storage layer which are arranged layer by layer from top to bottom, the modular roof trays are divided into a plurality of sets, and the multiple sets of modular roof trays are arranged along a set path; the water storage layers of the modular roof trays are communicated; the irrigation and spraying mechanism is provided with a water inlet and a water spraying opening which are communicated with each other, the irrigation and spraying mechanism comprises a spraying head, the water inlet is communicated to the water storage layer, and the water outlet is communicated to the spraying head; during use, the irrigation and spraying mechanism conveys water of the water storage layer to the spray head to perform irrigation and spraying on a preset area; the construction and maintenance convenience of the green roof can be optimized, the construction flexibility is improved, and then the construction and maintenance cost of the green roof is controlled.

The modular green roof tray comprises a tray body, and a vegetation layer, a substrate layer, a filter layer, a water storage layer and a drainage layer are arranged in the tray body layer by layer from top to bottom; the multiple sets of tray bodies are arranged along a set path, and the drainage layers of the multiple sets of tray bodies are communicated. The large-area construction difficulty of the green vegetation system can be reduced, and the construction flexibility is improved.

The invention belongs to the field of composite material preparation, and relates to a preparation method of a flexible vegetation-imitating green leaf camouflage material, which comprises the following steps: doping chrome green Cr2O3 particles in a polydimethylsiloxane (PDMS) matrix to form a bottom film with the appearance color similar to that of green vegetation, and then coating a layer of film doped with Au or Ag and other metal nanoparticles on the bottom film to obtain the flexible vegetation-imitating green leaf camouflage material. Therefore, the wave modulation method based on surface plasmon enhanced absorption is realized, the material can imitate the reflectivity of green vegetation in a near-infrared band, PDMS is taken as a matrix and doped with chrome green particles, so that the color of the film is similar to that of a green plant macroscopically, Ag nanorods doped in the upper PDMS coating can enable the chrome green coating to imitate a red edge effect, and the reflectivity of the green vegetation can be simulated in a near-infrared band. Vegetation is simulated in a near-infrared band. The two layers of films are compounded, so that the camouflage material and the vegetation green leaves have the same color and spectrum, and the preparation method and the material have very wide application prospects.

The application discloses a kind of building extraction method, device and equipment for real scene three-dimensional model, first the real scene three-dimensional model is parsed into a primitive set, after ground primitive filtering is carried out to the primitive set, using bidirectional greedy strategy, first the non-ground set primitive is greedily excluded green vegetation, low building, city furniture, car and other non-building primitive, to obtain the primitive set representing building main structure.Based on the incomplete building main structure, the topological adjacency relationship between primitives is used to greedily recover the misdeleted building primitive.The application realizes the automatic extraction of complete structure, no primitive defect building from real scene three-dimensional model, and has very high recall rate and higher degree of automation, greatly shortens the objectification, monomerization workload and cost of real scene three-dimensional model.

The utility model relates to the technical field of ground greening vegetation, in particular to a split lawn brick which comprises a bottom layer brick on the lower portion and a surface layer brick on the upper portion, a planting hole is formed in the middle of the bottom layer brick and is a first planting hole, a round protruding edge extending upwards is arranged on the bottom layer brick and around the first planting hole, and the protruding edge is an upper protruding edge. The surface layer brick is square and is provided with four corners, and the corners of the surface layer brick are provided with 1 / 4-circle notches matched with the upper convex edges; during laying, the bottom-layer bricks are laid on the ground, one corner of the lower portion of each surface-layer brick is laid in a right-angle area of the upper portion of the bottom-layer bricks, the notches are matched with one arc section of the upper protruding edge, and corners of four surface-layer bricks are laid on one bottom-layer brick. The method has the advantages that the paved ground is easy to keep flat and the beautifying effect is good.

The invention discloses a green vegetation extraction method based on a visible light wave band, and relates to the technical field of satellite remote sensing. Comprising the following steps: acquiring an RGB image of a to-be-detected area, preprocessing the RGB image to obtain an orthoimage, segmenting and extracting the orthoimage to obtain a segmented image, selecting a green vegetation object and a green non-vegetation object from the segmented image, and determining pixel average values of the green vegetation object and the green non-vegetation object in different wavebands; and determining a green vegetation index and an optimal parameter based on the pixel average value of the different wavebands of the green vegetation object, and extracting a green vegetation image of the to-be-detected area based on the optimal parameter. According to the method, other green ground features can be prevented from being extracted mistakenly, and the purpose of accurately extracting green vegetation is achieved.

The utility model discloses a slope treatment greening structure which comprises lattice beams and planting assemblies which are arranged on an inclined slope, the lattice beams define a plurality of lattice units which are arranged in an array mode, and the planting assemblies are connected into the lattice units through fastening assemblies. The planting assembly comprises moisturizing cotton, a coconut shred blanket and a planting blanket which are sequentially laid in a laminated mode from bottom to top, the planting blanket comprises a planting blanket base body and a plurality of planting pockets sewn to the planting blanket base body, and green plants are planted in the planting pockets; wherein a plurality of through holes are formed in the positions, corresponding to the planting pockets, of the planting blanket base body, and the diameter of each through hole ranges from 0.5 cm to 1.0 cm. According to the scheme, the water retention and soil moisture conservation capacity of slope soil can be improved, growth of greening vegetation is promoted, root systems of greening plants planted in the planting bags can be promoted to take roots towards the slope soil layer below, the soil fixation capacity of the greening plants is improved, and the greening ecological restoration effect is improved.

The present application belongs to the technical field of waste treatment, and relates to a compost control method for producing and preparing fertilizer based on degradation of organic garbage, which comprises the following steps: mixing the organic garbage with wood chips and carrying out fermentation; the fermentation reaction comprises two same stages, fresh air is first introduced into a closed tunnel workshop, and the oxygen content of the tunnel workshop is controlled to be not less than 5%; then the temperature is increased, the temperature in the tunnel workshop is controlled to be increased to 70-80 DEG C, and pasteurization is carried out for three days; after the pasteurization is completed, the temperature is started to be decreased at a rate of 2-4 DEG C / h, until the temperature is decreased to 45-54 DEG C, and then the temperature is kept for a period of time, and finally the temperature is decreased to the ambient temperature; the fermented fertilizer is exposed to the sun until it is dried; and finally, the fertilizer product is obtained through fine treatment and screening. The compost control method of the present application produces fertilizer by using organic garbage, realizes waste-to-resource, and is helpful for large-scale planting of green vegetation in desert areas (such as Saudi Arabia), and effectively reduces greenhouse gas emissions.

The utility model relates to the technical field of greening concrete walls, and discloses a wall greening concrete structure which comprises an installation block, a fixing mechanism is arranged on the inner side of the installation block, a limiting mechanism is arranged on the inner side of the fixing mechanism, the fixing mechanism comprises an installation frame, the installation frame is fixedly connected to the inner side of the installation block, and the limiting mechanism is arranged on the inner side of the installation frame. A planting frame is fixedly connected to the front side of the mounting frame, a recycling box is fixedly connected to the bottom of the front side of the mounting frame, and a filter plate is slidably connected into the recycling box. During use, concrete is poured into the mounting frame through the arranged fixing mechanism, so that the mounting frame becomes a wall structure, and the planting frame is poured through the concrete; the planting frame and the mounting frame are in a stable state, through holes are formed in the planting frame, soil can be laid in the planting frame, greening vegetation can be planted in the planting frame, the structural strength of concrete can be achieved, the ecological greening function is integrated, and applicability is improved.

The utility model relates to the technical field of garden green plants, and provides garden green plant planting equipment which comprises a planting table, the top of the outer surface of the planting table is fixedly connected with two fixing plates, the tops of the outer surfaces of the two fixing plates are fixedly connected with a top plate, and the top of the outer surface of the top plate is fixedly connected with a water tank. When the green vegetation planting device is used, after green vegetation in the planting pot is watered, water enters the upper surface of the filter screen through the water seepage holes, the filter screen filters the water, the filtered water enters the water collecting bin, the water collecting bin flows into the water collecting box, and the water collecting bin flows into the water collecting box. Then a water suction pump is started through an external power source, the water suction pump pumps water into the water tank through a pipe and then outputs the water into the water tank through a long pipe, the water is collected and recycled, the water in the water tank enters the water sprayer through a telescopic hose, and water resources are saved.

The present application aims at the pain points of subgrade settlement, pavement cracking and green maintenance difficulties caused by strong loess collapsibility and easy cracking and failure of traditional rigid anti-seepage layer in central median strip of loess area, and constructs an integrated collaborative anti-seepage structure of "base soil improvement layer + flexible composite anti-seepage core layer + gap self-repairing sealing layer + ecological drainage buffer layer". The structure takes sodium bentonite as the core functional material, utilizes its multiple characteristics of swelling when encountering water, thixotropic sealing, flexible anti-cracking and ion exchange to improve soil, realizes the modification of anti-collapsibility of base loess and the physical and chemical double blocking of subsurface water infiltration. The ecological drainage buffer layer can not only quickly dredge accumulated water, but also can bear green vegetation, realizing the integration of engineering protection and ecological landscape. The present application has stable structure, seepage self-repairing function, convenient construction and green durability, and can long-effectively solve the seepage and collapsibility diseases of central median strip of expressway in loess area, and has great value for improving the durability of highway and road environment.

The application discloses a kind of green building basement roof landscape greening structure and construction method, including successively laying drainage pipe, fine aggregate, geogrid, light aggregate and geotextile on the basement roof, the geotextile is filled with planting soil and slag, the planting soil is planted lawn and arbor on, and the planting soil thickness of planting lawn is greater than the planting soil thickness of planting arbor, and the slag is built landscape structure;Therefore, this basement roof landscape greening structure can stabilize each layer structure and facilitate construction, can also reduce and diffuse load, and eliminate stress concentration by load balance, avoid the basement roof to produce crack and seepage, also limit the pushing and sliding of light aggregate by the counterforce of tensile force generated by geogrid due to settlement elongation, ensure that landscape or greening vegetation is not damaged, so it has the advantages of reasonable structure, convenient construction, reliable quality, economic saving, energy saving and environmental protection, etc., combined with the corresponding construction method, it has high economic benefit and social benefit.

This invention relates to a method, system, and product for extracting cyanobacteria regions from optical remote sensing images. The method includes: acquiring optical remote sensing images; constructing different types of background noise extraction index algorithms; the types of background noise include terrestrial green vegetation, water bodies, exposed land from roads and buildings, and remaining vegetation in water other than cyanobacteria; normalizing the background noise extraction index algorithms to generate normalized background noise extraction index algorithms; constructing a noise suppression and separation function based on the normalized background noise extraction index algorithms, and suppressing the background noise according to the noise suppression and separation function to separate cyanobacteria and the background noise, generating suppression and separation results; and extracting cyanobacteria regions from the optical remote sensing images based on the suppression and separation results. This invention can improve the accuracy of cyanobacteria region identification.

This invention discloses a hyperspectral biomimetic thin film material simulating green vegetation leaves and its preparation method, comprising the following components: water, a hydrophilic polymer, a high near-infrared reflectance pigment, a hygroscopic material, an inorganic hydrated salt, superabsorbent fibers, and an organosilicon modifier. The biomimetic thin film material provided by this invention not only possesses spectral characteristics highly similar to green vegetation but also exhibits excellent conventional properties, including water resistance, air permeability, wide applicability, and long service life. In its preparation, this invention involves simple casting and curing to form a film, which, after drying, yields coating materials of various shapes and thicknesses.

The utility model discloses a side slope reinforcing structure which is anchored on the slope surface of a side slope and comprises a plurality of groups of longitudinal beams, each group of longitudinal beams are arranged along the inclined direction of the side slope, and the plurality of groups of longitudinal beams are arranged in parallel along the slope surface of the side slope at equal intervals; the cross beams are arranged between the adjacent groups of longitudinal beams and are perpendicular to the longitudinal beams, the two ends of each cross beam are fixed with the two adjacent groups of longitudinal beams, and a plurality of groups of cross beams which are arranged in parallel at equal intervals are arranged between every two adjacent groups of longitudinal beams; the longitudinal beam comprises a plurality of longitudinal beam assemblies. The longitudinal beams and the cross beams are vertically and horizontally arranged and anchored on the slope surface through the anchor rods, so that the side slope is reinforced, meanwhile, the grids formed by the longitudinal beams and the cross beams can be used for planting plants, the stability of the side slope is guaranteed, meanwhile, green vegetation coverage of the side slope is achieved, harmonious symbiosis of ecology and engineering is achieved, and the economic benefit is improved. The longitudinal beam is formed by connecting the longitudinal beam assemblies end to end, so that transportation of all the assemblies of the reinforcing structure is facilitated, and the transportation convenience of the reinforcing structure is improved.

The utility model relates to the technical field of ground greening vegetation, in particular to a lawn brick with slow release fertilizer storage grooves, which comprises a lower bottom layer brick and an upper surface layer brick, a planting hole is arranged in the middle of the bottom layer brick, the planting hole is a lower planting hole, the slow release fertilizer storage grooves are arranged on the bottom layer brick and around the lower planting hole, and the slow release fertilizer storage grooves are arranged on the surface layer brick. The slow-release fertilizer storage tank is formed by an outer bulge on the outer side and an inner bulge on the inner side, and slow-release fertilizer release holes leading to the planting holes are formed below the inner bulge; a planting hole is formed in the middle of the surface layer brick, the planting hole is an upper planting hole, and the upper planting hole and the lower planting hole correspond to each other up and down. The slow-release fertilizer storage box has the advantages of being capable of storing slow-release fertilizer, enabling the slow-release fertilizer to play a proper role and being convenient to use.

The application discloses a camouflage coating simulating spectral reflection characteristics of green vegetation and a preparation method thereof. The camouflage coating is prepared by adopting a solution casting method after a mixed solution is configured according to a mass ratio of 1:(0.5-2):(0.01-0.1) of chromium modified molecular sieve, a film forming agent and a defoaming agent. The chromium modified molecular sieve is obtained by ion exchange of X-type molecular sieve and a chromium nitrate solution. The spectral similarity of the camouflage coating prepared by the application to green vegetation can reach 0.947, and the camouflage coating has similar spectral reflection characteristics of green vegetation leaves. Meanwhile, the camouflage coating overcomes the defects of traditional camouflage, such as not having a "water absorption valley" spectral characteristic in a near-infrared spectral band.

The utility model discloses a flow collecting ecological protection slope suitable for an ecological leisure type small-watershed sloping field, and relates to the technical field of ecological protection slopes. The ecological slope comprises an ecological slope body, a plurality of slope protection units are fixedly arranged at the top of the ecological slope body, the slope protection units are evenly arranged at the top of the ecological slope body, rectangular vegetation planting grooves are formed in the tops of the slope protection units, and a plurality of rectangular vegetation planting grooves are formed in the tops of the slope protection units from top to bottom at equal intervals. According to the utility model, a certain amount of rainwater can be collected to irrigate greening vegetation in the rectangular vegetation planting groove in rainy days through the arranged water collecting groove, more water is saved, more rainwater can be stored in the water collecting groove through arranging the water collecting groove to be L-shaped, and more rainwater can be stored in the water collecting groove through arranging the shielding net plate above the water collecting groove. And it can be guaranteed that rainwater smoothly flows into the water collecting tank to be collected, meanwhile, the water collecting tank can be shielded, and branches, fallen leaves and the like are prevented from entering the water collecting tank.

The application discloses a kind of based on nest site preference and energy saving's habitat optimization method of relic gull breeding island, it is related to ecological protection technical field.It is surveyed lake island and is divided into historical nest area, potential nest area and non-nest area after relic gull breeding ends;In nest area, through simulating feeding trampling, selective mowing and artificial reseeding intervention, the comprehensive coverage of vegetation before nest building is controlled at 15%-40%, the average height is controlled at 5-25cm, the area of low green vegetation patch is expanded, and the bare sand or sand-dry grass mixed nest foundation area is retained not less than 30%.The method integrates the energy saving index of parent bird, determines the regulation threshold based on the quantitative research of relic gull nest site selection, is accurate and scientific;It can reduce the energy consumption of parent bird during incubation period, reduce egg weight loss, improve the quality of nestling, and improve the success rate of reproduction;And operation is simple, cost is low, can be popularized on a large scale, realizes the upgrade of relic gull protection from extensive to fine active management.

The invention belongs to the technical field of slope greening, and particularly relates to a simple and efficient greening structure and method for a high and steep slope. And the maintenance water valve is arranged on the upper side of the slope body, and a flow dividing pipe is arranged on the maintenance water valve. According to the simple and efficient greening structure for the high and steep slope, the nutrient soil in the plant-growing bag body can be lifted, so that the nutrient soil in the plant-growing bag body cannot fall under the influence of gravity after irrigation and water absorption and becomes dense, the nutrient soil on the upper portion of the plant-growing bag body sinks and wizens, and the greening effect of the plant-growing bag body is improved. It is guaranteed that the vegetation bag body is in a full state all the time, the growth coverage area of greening vegetation on the vegetation bag body is increased, and the greening effect is improved.

The application discloses a green bionic camouflage material simulating optical and infrared performance of vegetation and a preparation method of the green bionic camouflage material. The green bionic camouflage material is made by double-sidedly dipping and coating green camouflage paint on a microporous film. The green camouflage paint is made of the following raw materials in percentage by weight: titanium white 5-6%, near-infrared high-reflection black 9-10%, organic yellow 17-18.2%, water-absorbing resin 1.2-1.5%, composite adsorbent 1-1.2%, film-forming material 35-40% and solvent 20-35%. The composite adsorbent is made of porous white carbon black and inorganic hydrated salt. The green bionic camouflage material can simulate the spectrum of green vegetation in 380nm-2500nm and the water absorption peaks near 1450nm and 1930nm. The water-absorbing resin can lock water to simulate the inherent water of vegetation leaves; the composite adsorbent is driven by environmental temperature and humidity and solar radiation, and can realize water vapor adsorption / desorption through the microporous film to simulate the transpiration of green vegetation leaves. The diurnal radiation temperature difference between the green bionic camouflage material and vegetation leaves is within ±2℃, and the green bionic camouflage material can well simulate the infrared radiation characteristics of green vegetation.

The utility model relates to the technical field of urban greening, in particular to a novel greening vegetation protection belt structure which comprises a foundation, a platform is arranged above the foundation, a protection belt structure, a filter tank and a planting tank are arranged above the platform, the planting tank is located in the protection belt structure, and the filter tank is located in the planting tank. A planting tank is arranged in the planting tank, plants are arranged in the planting tank, a conveying pump body is arranged on the rear side of the filtering tank, an output pipe is further connected to the conveying pump body, and a plurality of supply pipes are further arranged on the output pipe; a protection environment is provided by utilizing a supporting structure of a plurality of transverse supports and vertical supports and a planting pool located in the supporting structure, rainwater is collected by utilizing a filtering pool, filtering operation is carried out through a filtering net, and finally treated water is used for irrigation from an output pipe and a supply pipe through a conveying pump body.

The utility model discloses a cultivation device for greening vegetation, and relates to the technical field of green plant cultivation, the cultivation device for greening vegetation comprises a pit drilling device, a moving frame and a positioning auxiliary assembly, the moving frame comprises a push-pull frame and a mounting frame, a positioning table and symmetrically arranged moving wheels are mounted at the bottom of the mounting frame; the pit drilling device comprises a servo air cylinder fixed to the front end of the mounting frame, a driving motor is mounted at the output end of the servo air cylinder, and a drill bit is mounted at the output end of the driving motor. The pit drilling device can be rapidly driven to move on a cultivation and planting site through the moving frame and the moving wheels, the problem that existing pit drilling equipment is inconvenient to move is solved, the positioning frame can be placed at a well-determined planting pit digging position in advance, and the pit drilling device can be rapidly and conveniently positioned in cooperation with the positioning frame. During pit digging, the positioning rack is arranged on the positioning frame, so that pits can be quickly and accurately drilled, and the green plant planting efficiency is improved.

This invention discloses a comprehensive ecological revetment system for river channels, relating to the field of ecological revetments. It includes natural earthen slopes along both sides of a river channel, with slope one and slope two constructed on these slopes. A horizontal lower walkway is provided between slope one and slope two, and an upper walkway is provided on the upper side of slope one. An erosion-resistant bank is constructed on the slope two near the river channel. This invention reinforces and protects the riverbank near the water's edge using an erosion-resistant filler composed of revetment bricks, mixed soil, a middle layer of backfill soil, and a top layer of planting soil. Simultaneously, the root system of the planted vegetation extends to protect soil and water, effectively preventing soil erosion. Furthermore, the erosion-resistant bank formed by reinforced steel grids as foundation piles further strengthens the revetment, maximizing protection against erosion. The floating green vegetation layer effectively conceals the clear boundary between the river surface and the riverbank edge.

The utility model discloses an auxiliary carrying device for road greening, which comprises a main body piece, a first bearing piece and a second bearing piece, grass flowers needing to be carried are placed through the first bearing piece, nursery stock vegetation needing to be carried is placed through the second bearing piece, and the purpose of classified placement is achieved. The purpose of carrying various types of greening vegetation at a time can be achieved, the carrying efficiency is improved, the overall size of the auxiliary carrying device is obviously smaller than that of a vehicle, and therefore the auxiliary carrying device is more suitable for carrying out auxiliary operation in narrow roads or complex operation working conditions, meanwhile, the labor intensity of operators is reduced, and the operation safety is improved.

The invention relates to a method for preparing a jungle camouflage coating with high spectral similarity by a one-pot method. The method comprises the following steps: preparing a camouflage pigment product through a one-pot method, mixing the camouflage pigment product with PVA glue according to a mass ratio of 1: 2, uniformly coating a spandex fabric with a green pigment solution, and drying in an oven at 160 DEG C for 10 min to obtain the jungle camouflage coating. The prepared green vegetation camouflage coating material has four characteristics of green peak, red edge, plateau and water peak. Besides, due to the fact that the modified ferroferric oxide pigment is added in the synthesis process, the spectral plateau reflectivity is close to the reflectivity of plant leaves, the spectral similarity is close to 99%, and the coating product has the advantages of being high in spectral similarity, good in weather resistance, simple in synthesis method, low in cost and the like and has high jungle camouflage military application value.

The utility model discloses a protective type ecological grid device for mine restoration, which comprises an outer baffle plate, ecological grids are clamped and mounted on the outer baffle plate, grid baffle plates are fixedly mounted in the ecological grids, the grid baffle plates are arranged in a crossed manner, separation grooves are formed at the joints, water through holes are formed in the outer baffle plate, and the water through holes are communicated with the water through holes. A water storage tank is fixedly installed outside the water through hole and located on the inner side of the outer baffle, and the water storage tank communicates with the water through hole. Through the arrangement of the water storage tank and the storage grids, the anchor rods at the bottoms of the ecological grids can fix the whole ecological grid on a side slope and can play a role in protection and shielding, the ecological grid is not prone to falling off when water and soil loss occurs, the water storage tank on the side face of the ecological grid can store flowing rainwater, vegetation in the ecological grid can be irrigated, and the ecological grid is convenient to use. And the water storage tank can be manually detached to be replaced, and greening vegetation can be planted in the storage grids on the two sides through the through grooves in the storage grids, so that the purpose of repairing and greening the side slope is achieved.

The invention discloses a green vegetation segmentation method for a multispectral remote sensing image, and the method comprises the steps: extracting an RGB image and a near-infrared image from the multispectral remote sensing image, determining a vegetation index according to the actual demands, carrying out the calculation to obtain a vegetation index map, and carrying out the segmentation to obtain a pre-segmentation result, and according to the pre-segmentation result, generating a pre-segmentation mask map to process each channel image, calculating a color index map according to the channel image after mask processing, and then performing segmentation to obtain a green vegetation segmentation result. According to the method, multi-stage segmentation is performed by combining the vegetation index and the color index, so that the precision of green vegetation segmentation is improved.

The invention discloses a gull breeding island habitat optimization method based on nest site preference and energy saving, and relates to the technical field of ecological protection. The method comprises the following steps: surveying and mapping a lake center island and dividing a historical nesting area, a potential nesting area and a non-nesting area after gull breeding is finished; in the nesting area, the comprehensive coverage of vegetation in the early stage of nesting is controlled to be 15%-40% and the average height is controlled to be 5-25 cm by simulating foraging trampling, selective mowing and artificial reseeding intervention, meanwhile, the area of low green vegetation plaques is enlarged, and no less than 30% of bare sand or sand-withered grass mixed nesting base area is reserved. According to the method, parent bird energy saving indexes are fused, a regulation and control threshold value is determined based on gull nest site selection quantitative research, and accuracy and scientificity are achieved; energy consumption in the hatching period of parent birds can be reduced, egg weight loss is reduced, nestling quality is improved, and the breeding success rate is increased; and the method is simple and convenient to operate and low in cost, can be popularized on a large scale, and realizes upgrading of gull protection from extensive management to refined active management.