144results about How to "Improve the ecosystem" patented technology

The invention relates to an ecological protection method for a high steep side slope. The method mainly comprises the steps of slope surface treatment, concrete shotcrete and rock bolt support, vegetating hole arrangement, net spreading, spray material preparation, granule spray sowing, maintenance, management, and the like. In the method, guest soil materials such as humus loam rich in organic matters and clay are utilized to undergo a granule reaction after mixed with a granule agent at the moment of spray sowing so as to form a greening template which has the same high order granule structure as natural soil and strong erosion resistance and can suppress water and soil loss. After a diversified mature plant community which is in harmony with surrounding vegetation environment is formed, the slope surface can be protected, which can effectively resist diseases and insect pests and maintain the ecological balance. Post maintenance management and expenses can be saved. All used materials can be naturally degraded, have no pollution to the environment and can purify air and beautify the environment. Equipment of the method does not need to be hung on the slope surface for construction, and spray sowing operations are carried out only below the slope surface, thus the method has high construction speed and safety. The method is suitable for slope surfaces which are difficult to green, and the like, such as various high steep and unstable slope surfaces, bare slope surfaces having high greening expected values, and the like.

The invention discloses a method for ecological restoration and water quality conservation of river water. according to the method, an aeration oxygenation system consists of a solar cell panel, a support connector, an air pump, an aeration tube and an air distribution plate and is used for maintaining the dissolved oxygen level in the water; an ecological floating bed system consists of a strong buoyancy carrier and an emergent aquatic plant and is used for removing pollutants out of water and gathering and transferring heavy metal; and a filler system is used for providing a lot of adhesion habitats for microbial flora, phytoplankton, protozoon and tiny metazoan so as to co-build and form a biological membrane which efficiently and quickly purifies the pollutants. By adopting the method, the organic matters such as COD, nitrogen, phosphorus and the like, and other pollutants in the water can be efficiently removed, the water is purified, an ecological system of the river way is improved, and the self-cleaning capacity of the water is restored.

The invention belongs to the technical field of heavy-metal pollution restoration of soil and particularly relates to a method for restoring soil chromium-polluted soil. According to the main principle of the method, sludge, straws, the chromium-polluted soil and composite strains BYM (Bacterial Enzyme) are mixed and fermented and biological enzyme, organic sugar, and other substances which are generated in a microbial fermentation process are used for reducing hexavalent chrome contained in soil into trivalent chromium; and then chromium pollutants contained in the soil are thoroughly removed by planting a chromium hyperaccumulator. Compared with the prior art, the method disclosed by the invention belongs to an in-situ restoration technology, has the advantages of small investment, low operation cost and minimal environmental disturbance, can improve the hardening degree of the soil, enhance the loose degree of the soil and increase the content of organic matters contained in the soil and is favorable to the plant growth of the restored soil.

The invention discloses a water purifying method of waterless source waters and device, which comprises the following steps: including recharge craft, hydrologic cycle craft, water quality physical disposing craft; water quality chemical disposing craft, accelerate vertical motion of water and aerate craft, rainwater collecting and purifying craft, ecological restoring craft and composite control device; proceeding automatic control; installing make-up water pump room, device room, element depositing tank, filtering tank, purifying tank, catch frame, pump, make-up water pipe, circulating pump, disposing pump, charging pump and air blower; installing make-up water pump room, device room, element depositing tank, filtering tank, purifying tank, clean water pump under floor.

A system for operation of an educational website on a network offers curriculum content provided by one or more curriculum content providers for engagement of student users on the website. The website includes webpages accessible by the students, by a teacher for a class of students registered to use the website, and by parents registered along with their students. An awards scoring component scores the performance of individual student users and awards them award points, which can be redeemed for rewards on the website. The website includes a component for communicating information about student user performance to their teacher and parents in order to promote parent and teacher involvement with students' activities on the website.

The invention discloses a saline-alkali soil modified microbial inoculum and a preparation method thereof. The microbial inoculum comprises, by weight, 10-30 parts of bacillus megatherium HB bacteriapowder, 35-65 parts of phosphorus tailings powder, 12-18 parts of phosphogypsum, 8-25 parts of sugar refinery wastes, 6-26 parts of seaweed residue and 1-8 parts of mannitol. Components of the saline-alkali soil modified microbial inoculum have synergistic interactions with each other to enhance effects, if any one of the components lacks, expected effects cannot be reached, and only when the saline-alkali soil modified microbial inoculum with whole formulas is adopted and 30-80 kg of the microbial inoculum is used per mu, can the effects of increasing fertilizer utilization rate and crop yields, and improving quality and saline-alkali lands be achieved.

The invention aims at providing compound microorganism humic acid fertilizer special for organic cultivation and a preparation method thereof. The compound microorganism humic acid fertilizer special for the organic cultivation is high in fertilizer efficiency, rapid in absorption and capable of improving physical and chemical properties of soil and improving disease resistance of crops. The preparation method is environmentally friendly, efficient, short in fermentation cycle, low in cost and easy to operate. The fertilizer special for the organic cultivation is prepared by inoculating compound microorganism strains into fertilizer raw materials and conducting fermentation. The fertilizer special for the organic cultivation is prepared from, by mass, 20%-40% of weeds or straw, 10%-20% of feces of livestock and poultry, 20%-40% of animal and plant residuals, 5%-10% of peanut bran or bean pulp, 10%-20% of pond sludge, 0.5%-1% of urea, 2%-4% of shell powder or calcium superphosphate, 0.5%-1% of magnesium sulfate, 1.5%-2.5% of slaked lime and 0.5%-1% of zeolite powder. The method comprises the steps of preparation of the compound microorganism strains, prefermentation and post-maturation fermentation. The compound microorganism humic acid fertilizer special for the organic cultivation and the preparation method thereof can be applied to the technical field of microorganism fermentation fertilizer manufacturing.

The invention discloses an ecological adjusting and controlling method of a Shine-Muscat vineyard. The ecological adjusting and controlling method comprises the following steps of (1) performing whole-vineyard soil preparation; (2) performing field planting of seedlings; (3) performing tree shape cultivation; (4) performing disease and insect pest control at a seedling stage: before disease attackor at the early stage of the disease attack, selecting biological medicaments and chemical medicaments for joint control, and checking and governing pests; (5) performing germinating management; (6)performing ground surface management; (7) performing leaf-fruit ratio adjustment; (8) performing fruit diameter adjustment; (9) performing bag sleeving timely; (10) performing moisture content pinpoint management; (11) performing pinpoint fertilizer application; (12) performing pinpoint pesticide application; and (13) enabling fruits to be ripe. Through the adoption of the ecological adjusting andcontrolling method disclosed by the invention, a good ecosystem of the Shine-Muscat vineyard can have healthy soil and healthy tree bodies, and the high-yield period of grape trees can be prolonged by 6-8 years.

Disclosed is a novel ecological habitat revetment. The novel ecological habitat revetment comprises a gravity type retaining wall, the gravity type retaining wall is built by grouted building blocks, a water communicating pipe for being communicated with inner and outer water bodies is arranged on the gravity type retaining wall, the revetment further comprises an ecological habitat area, the front portion of the ecological habitat area is connected with the gravity type retaining wall, a geomembrane is arranged at the rear of the ecological habitat area, the ecological habitat area is built by rock blocks layer by layer, the water communicating pipe is connected with a cavity layer of the ecological habitat area, cavities are reserved between adjacent rock blocks in the cavity layer, adjacent rock blocks on upper and lower layers which are adjacent to the cavity layer are tightly connected, each corner of the rock blocks on the upper layer is built on rock blocks of the cavity layer, wood boxes without top covers are placed in the cavities, and the wood boxes are contacted with the rock blocks. By means of the novel ecological habitat revetment, an ecological revetment mode of building a section of ecological habitat in a grouted building block protective section is achieved, and the problem of poor ecological performances in prior revetments is well solved.

The invention discloses a tea garden planting method. The tea garden planting method comprises the steps as follows: reserving one row of old tea trees and removing the next row of the old tea trees during digging in a tea garden, replanting the tea trees in the row which is removed by digging, and selecting seedling plants which have the heights of not less than 20 cm and grow for at least two years in land for tree nursery as the new planted tea trees; removing the reserved old tea trees by digging after the new planted tea trees grow for three years; and selecting Foxiang No.2 or Foxiang No.3 as the variety of the new planted tea trees, mainly planting the tea trees in the tea garden, additionally planting shade trees, and controlling the shading degree of the tea trees to be 25-30%, wherein the shade trees are Chinese birch trees or camphor trees or fir trees. According to the tea garden planting method, the ecological environment is improved through configuration of the tea garden and the plant diversity by utilizing the biological diversity principle and the method when the basic garden appearance of the tea garden is guaranteed, so that the animal diversity in a system is regulated to improve the stability of the tea garden system.

The invention belongs to the field of ecological repairing of water environments in lake basins and particularly relates to a river channel structure capable of ecologically repairing a river flowing into a lake in lake basins. The river channel structure comprises a river channel base, a river channel bank slope and river channel buffering belts. A layer of vegetation form ecological blanket is laid on the river channel base. Aquatic plants are planted on a river channel bank slope. The river channel bank slope comprises a river channel revetment and a river channel land area side bank, wherein the river channel revetment is a step type revetment and sequentially comprises a first-step ecological embankment, a second-step ecological embankment, a third-step ecological embankment, a fourth-step ecological embankment and a fifth-step ecological embankment from bottom to top. Terrestrial plants and herbaceous plants which are reasonably matched are planted on the river channel buffering belts, and the river channel buffering belts include the first buffering belt, the second buffering belt and the third buffering belt. The river channel structure is simple in structure and low in construction cost, the ecological environment of the river flowing into the lake in the lake basins can be repaired, the water quality of the river is improved, the ecological system of the river is recovered, and the self-cleaning capability of the river is improved.

The invention discloses a method for quickly constructing a soil layer structure of a dryland transformation paddy field. The method comprises the following steps that S1, field parcel planning is conducted on a dryland plot unit which needs to be transformed into a paddy field, and impurities such as plants and stones in the soil are removed; S2, stripping and stockpiling are conducted on a farming layer by utilizing an engineering machine, the field surface is leveled, and field ridges are tamped; S3, enough water is poured to the leveled field surface with the farming layer stripped; S4, tamping and compaction are conducted on the leveled and moistened field surface and field ridges by utilizing an engineering machine; S5, a prepared paddy field seepage control agent is sprayed to the field surface and the field ridges by utilizing an engineering machine; S6, organic materials are put; S7, the field surface treated in S6 is backfilled with soil of the farming layer stripped and removed in S2, water is injected, and tillage beating is conducted through land raking; S8, the ph value of the soil of the farming layer is measured, and a soil improver is put. By means of the method, the dryland soil layer structure can be transformed into a paddy field soil layer structure suitable for aquatic farming in a short time, and the soil ecosystem is restored.

The invention provides a water body repairing system and a water body repairing method, wherein the system includes a power supply system, an aerating system, submerged plants, aquatic animals, an artificial medium, an electrolytic tank and a resistor. The power supply system is respectively connected to the aerating system and the electrolytic tank and supplies power to the aerating system and the electrolytic tank. The artificial medium includes a fixing device and an iron-carbon combined carbon fiber medium arranged thereon. The iron-carbon combined carbon fiber medium includes an iron material and carbon fibers suspended thereon and is connected to the aerating system through the resistor. The electrolytic tank is arranged within an aerating range of the aerating system. The submerged plants, the aquatic animals and the artificial medium are dispersed in a water body to be repaired. The water body repairing system can inhibit reproduction of alga, is enhanced in degradation capability on algal toxin and is improved in water body purification performance.

The invention relates to preparation and application of a composite microbial agent and biological organic compound fertilizer. Bacillus, saccharomycetes, photosynthetic bacteria and the like are combined with various organic matters and inorganic matters through a scientific formula to form the composite microbial agent and biological organic compound fertilizer. The composite microbial agent andbiological organic compound fertilizer has effects of improving the ecological system and the nutrient environment of crop rhizosphere soil through interaction of microorganisms, improving the absorption capacity of crops, promoting growth of crops and increasing yield and income. The composite microbial agent and biological organic compound fertilizer has effects of improving soil, controlling soil-borne diseases and insect pests, degrading harmful residues such as heavy metals and pesticides, promoting plant growth, improving crop stress resistance and increasing crop quality, and has the characteristics of high efficiency, quick effect and sustained effect.

The invention relates to the technical field of culturing of special fish and particularly relates to a pond culture method for Mastacembelus armatus. The method is characterized by adopting a Mastacembelus armatus-crucian carp-Hydrilla verticillata ecological culture mode and comprising the specific culture steps of selecting culture ponds, treating the culture ponds, carrying out feedstuff feeding and carrying out water quality regulation and control and disease control. The method is a bran-new ecological culture mode for developing Mastacembelus armatus culture. Fly maggots and tenebrio molitor are used for feeding the Mastacembelus armatus, excrement of the Mastacembelus armatus, remaining and dead fly maggots and the like are eaten by underlaid crucian carp, excrement of the crucian carp and Mastacembelus armatus supplies adequate nutrients to aquatic plants such as Hydrilla verticillata and Eichhornia crassipes, and the Hydrilla verticillata and the Eichhornia crassipes purify water and generate a large volume of oxygen gas through photosynthesis so as to supply adequate dissolved oxygen to the water, so that the growth of the Mastacembelus armatus and the crucian carp is facilitated; and the Hydrilla verticillata and the Eichhornia crassipes can also serve as high-quality green fodder for fishes and pigs, so that a positive cycle for the Mastacembelus armatus, the crucian carp and weeds is achieved, and a good ecological system is established.

The invention relates to a modularized artificial floating island for multi-medium reinforced repair of a polluted water body and application of the modularized artificial floating island. The modularized artificial floating island comprises one or more transparent floating island frames which are sequentially communicated. Each floating island frame is internally provided with a supporting mesh plate for dividing the floating island frame into an upper layer frame body and a lower layer frame body. Each upper layer frame body is internally and sequentially filled with a base body medium layer and a filler layer from top to bottom. Each base body medium layer is provided with a planting hole led to the corresponding filler layer. A plurality of check holes are formed in the side wall, corresponding to the corresponding filler layer, of each upper layer frame body. The bottom in each lower layer frame body is laid with a substrate. A plurality of check holes are formed in the side wall of each lower layer frame body. The check holes are provided with detachable mesh. Compared with the prior art, the modularized artificial floating island has the advantages that by adopting the light base body medium layers, establishing the filler layers easy to install and replace and suitable for microorganism adhesion, establishing a complete biological system layer and the like, manufacturing time is shortened, occupied land is reduced, long-term durability and efficient pollution removal are achieved, water quality purification and landscape functions are achieved due to modularized combination, and the effect of repairing the polluted water body is good.

The invention discloses an ecological method and an application for controlling quantity of spirogyra biomass in lakes. The ecological method comprises the steps of: breading tilapias in lakes where submerged plants are grown; controlling the quantity of the tilapias to minimize influence of the tilapias on the submerged plants and effectively control spirogyra. The ecological method provided by the invention can prevent chemical toxicity brought by chemical method for controlling spirogyra and reduce manpower and property waste caused by manually catching sponge; and the harvested tilapias can bring a certain economic benefit; furthermore, the ecological method also can effectively control the quantity of pomacea canaliculata. As can be seen, the ecological method and application for controlling the quantity of the spirogyra biomass in lakes can be applied to maintaining the lake ecosystem, and is environment-friendly.

The present invention discloses an ecological restoration method for bottom-cultured Cyclina sinensis at beach. The present invention includes: (1) selecting a damaged beach prepared for ecological restoration; (2) selecting Cyclina sinensisas a species for ecological restoration of the damaged beach; (3) putting a number of Cyclina sinensis fingerlings to the damaged beach and breeding; (4) checking out whether the toxic and hazardous substances in sediment environment meet conditions or not after the batch of Cyclina sinensis fingerlings is bred and harvested; and (5) if at least one toxic and hazardous substance in the sediment environment detected in step (4) does not meet the conditions, repeating steps (3) and (4). If the toxic and hazardous substances in the sediment environment detected in step (4) meet the conditions, the ecological restoration of the damaged beach is completed. The method adopts an ecological restoration method to repair the damaged beach, recovers the beach ecosystem, reduces the pollution degree of water body, as well as generates aquaculture economic benefits, thereby achieving the goals of ecological protection of the marine beach and the sustainable economic development.

The invention discloses a biological weeding reclamation and soil fertility improvement method of an abandoned farmland. The method comprises the following steps of: (1) building a fenced poultry house; (2) buying young chicken and adult geese, and placing into a fence according to 180 to 200 chicken per Mu; placing the geese into the fence according to a ratio of chicken to geese of (10 to 15) to 6, raising the chicken and the geese together, supplementing feed at nightfall, and gradually reducing the feed amount; (3) when the feed is supplemented, adding intestinal zymocyte into the feed; when the exposed surface of the abandoned land due to the weeding by the poultry is greater than 20 percent, all tender leaves of grasses are eaten by the poultry, the upright grasses are completely stepped into the earth, the plant height is less than 5cm, and the leaves are withered and yellow, covering the surface layer with straws, adding straw decomposition agent, simultaneously spraying urea and glucose aqueous solution until the surface of the straw is wetted; (4) shallowly ploughing the land, then sowing trefoil, and spraying the urea solution on the leaf surface once a week when a plant height is greater than 5 cm; and (5) interplanting corns when the trefoil grows to 10 to 15 cm. By adopting the method, the weeding efficiency is high, environmental conservation is realized, and ecological poultry can be raised.

The invention relates to a circulation reoxygenation biological decomposition-reinforced riverway water purification system and an implementing method thereof. The system is suitable for water-qualitylong-acting treatment on a still water riverway or an organic pollutant-enriched black and odorous water riverway. The system consists of a muddy sand sedimentation area, a multi-stage water fall reoxygenation unit, a primary sedimentation pool and a riverway biological settling bed treatment unit. The riverway biological settling bed treatment unit consists of multiple groups of biological settling beds which are arranged on the bottom surface of a river bed at intervals along the water flowing direction. After the upstream river is settled and purified by the muddy sand sedimentation area,the riverway water is further decomposed and purified on the biological settling bed treatment unit by biological flora attached to biological fillers; meanwhile, the riverway water returns to the primary sedimentation pool through a water-collecting and water-returning pipe network on the bottom layer, the riverway water is lifted to the multi-stage water fall reoxygenation unit by a water pump,is subjected to biological purification and reoxygenation treatment again and then flows back to the riverway, and so one and so forth, the riverway water is gradually purified, the ecological chain of the riverway is recovered, and the aim of reinforcing the ecological self-cleaning ability of the riverway water is finally fulfilled.

The invention relates to a medicinal-residue fermentation bacterial group and a medicinal-residue fermentation technology. The medicinal-residue fermentation bacterial group is prepared from the following bacterial strains in parts by weight: 25-35 parts of bacillus subtilis, 20-25 parts of clostridium acetobutylicum, 15-20 parts of lactobacillus, 10-15 parts of nematspora gossypii, 5-10 parts of micromonospora echinospora, 3-8 parts of white rot fungus and 1-2 parts of pichia pastoris. A solid fermentation manner is employed for preparing protein feed from traditional Chinese medicine residue, so that environment pollution caused by traditional Chinese residue is avoided, and traditional Chinese residue becomes a new resource of protein feed, and wastes are changed into valuables. Also, through multiple-test research on the technology, the fermentation technology has the advantages of simple and practicable preparation technology, obvious effect and high practicability.

The invention relates to an engineering structure for resisting to wave impact and discloses a wave absorbing block for soil-storage plantation. The wave absorbing block for soil-storage plantation comprises a stereoscopic four-corner structure. A main plantation cavity is formed in the center of a top corner of the structure in the longitudinal direction from the upper end face to the lower portion. The wave absorbing block further comprises root extension cavities, and the root extension cavities communicate with the main plantation cavity. A soil-storage part of a blind hole structure is formed in the bottom of the main plantation cavity. The wave absorbing block further comprises a blocking block. The blocking block is located at the position where the main plantation block communicates with the root extension cavities, and a clearance space for allowing plant roots to extend therein is reserved. The blocking block is located on the upper portion of the soil-storage part. By means of the wave absorbing block for soil-storage plantation, combing strength of the wave absorbing block is enhanced, the impact resistance effect is improved, and a perching place is provided for marine organisms; in the wave absorbing block, the plantation block is combined with the blocking block, the sludge environment needed by a mangrove forest can be cultivated, and the roots can extend conveniently; and the wave absorbing block is simple and unique in structure and high in practicability and promotional value.

A river ecosystem restoration method, including the following stages: the first stage of maintaining the same height between the upstream partition wall and the river bottom in order to make the end face of the river bottom and the upstream partition wall on the same line; The second stage of maintaining the same height between the downstream partition wall and the river bottom in order to make the end face of the river bottom and the downstream partition wall on the same line; between the aforementioned upstream partition wall and the downstream partition wall according to the planned water depth of the river The third stage of the water storage area is to build a certain depth, and then form a water storage area that can release various aquatic organisms that meet the local characteristics. The first to third stages have formed multiple swamp areas; The fourth stage of the rapids zone of action. The present invention can not only restore and maintain the ecological system in the river water, but also prevent river pollution by improving the natural purification ability of the river, thereby making the related natural ecological system of the river ecological system healthier and making it easier to use the hydrophilic space environment.

The invention relates to a raw soil underground cave dwelling roof vegetation plantation base structure and a construction technology thereof; the raw soil underground cave dwelling roof vegetation plantation base structure comprises a horse barrier wall, a plantation base layer and a dwelling roof solid soil layer; the horse barrier wall is arranged on a cliff surface of the dwelling roof solid soil layer; the plantation base layer is arranged on the dwelling roof solid soil layer, and comprises a slope layer, a waterproof layer, a waterproof and protection layer, a water filtering layer and a soil layer arranged from bottom to top in sequence; the waterproof layer and the waterproof and protection layer respectively comprise a horizontal portion and a vertical portion; the horizontal portion is arranged between the slope layer and the water filtering layer; the vertical portion is arranged between the horse barrier wall and the plantation base player. The waterproof layer is added in the soil layer on the raw soil underground cave dwelling roof so as to effectively prevent water from sinking, thus protecting the dwelling from being damaged by sinking water; in addition, the soil layer above the waterproof layer can maintain the soil moisture, so the raw soil underground cave dwelling roof soil layer is suitable for vegetation plantation, thus effectively improving land utilization rate, and reducing raw soil underground cave dwelling land occupation.

The invention relates to a method and a system for presenting multimedia information of a calling party at a called terminal. The method comprises the following steps that: S1, the calling party registers and subscribes a calling business card service through an IMS network system; S2, the calling user sets personalized multimedia information, and uploads and stores the personalized multimedia information to a calling business card application server; S3, the calling party is called, the calling is triggered to the calling business card application server to obtain the multimedia message of the calling party, the calling is returned to a calling session control unit, and an option of whether to receive the multimedia message of the calling party or not is pushed to the called terminal; andS4, the calling business card application server establishes or does not establish the multimedia transmission channel according to the selection of the called terminal after obtaining the message ofthe called terminal. According to the invention, the calling business card application server is added in the IMS system, a special App is not needed, the multimedia information of the calling can betransmitted, the called terminal has an option of whether to receive or not, the method is simple and efficient, and the user experience is good.

The present invention discloses a landscape type village sewage collecting and treating system. The system comprises a village-surrounding landscape riverway and a bio-trickling filter treating unit; wherein village domestic sewage and livestock and poultry breeding wastewater drain into a landscape riverway sewage canal, and then flow together to the bio-trickling filter treating unit and undergo a biochemical reaction, and after the reaction, the sewage is discharged into a main canal of the landscape riverway; and cross sections of the main canal of the landscape riverway is provided with a multi-stepped shape, and each step is planted respectively with submerged plants and emerged plants that have a purification effect of contaminations. According to the system provided by the present invention, all links of generating, discharging, collecting, and treating of regional village comprehensive pollution are incorporated into a pollution control system, the farmer domestic sewage and the livestock and poultry breeding wastewater with a high concentration are treated by a sewage intensifying treating facility, slightly-polluted water of rainfall runoff that carries village surface pollution is treated by the village-surrounding landscape riverway, and an operating performance of the sewage treating facility is effectively optimized by the combination of the two, and meanwhile a liquidity of the village-surrounding landscape riverway is improved, and a preferable environmental benefit and a preferable ecological benefit are achieved.

A lake landscape purifying device comprises a plant landscape purification system arranged in a lake and a biochemical purification system arranged on the plant landscape purification system, wherein a floating ball and a hauling cable are arranged on the plant landscape purification system, one end of the hauling cable is connected with the plant landscape purification system, and a heavy anchor is arranged at the other end of the hauling cable. The device overcomes poor water transparency, large depth and water ecology losing of polluted water, improves the ecological environment of a lake water system, improves the quality of lake water, recovers the ecological environment of lake water, and solves the problems of great operation space limitation, low space utilization rate, high cost and poor purification effect of a single water ecology construction mode.

The invention discloses a method for improving a saline-alkali soil matrix for seedling cutting, and belongs to the technical field of seedling cutting soil matrix improvement. The method for improving the saline-alkali soil matrix for seedling cutting comprises the following steps of (1) taking nutrient soil and saline-alkali soil according to the weight proportions, wherein the weight proportion of the nutrient soil ranges from 55% to 65%, and the weight proportion of the saline-alkali soil ranges from 45% to 35%; (2) combining the nutrient soil and the saline-alkali soil in an independent block mode, namely, digging holes in the saline-alkali soil, and filling the holes with the nutrient soil; (3) disinfecting the nutrient soil and the saline-alkali soil. According to the method for improving the saline-alkali soil matrix for seedling cutting, the design is reasonable, operation is easy, the needed matrix improvement measures are provided for in-situ seedling cutting culture or forestation of the saline-alkali land, the survival rate of seedling cutting of the saline-alkali land is increased, the forestation cost of the tidal flat saline-alkali land is reduced, the site environment of the saline-alkali land is improved, the ecological system of the saline-alkali land is improved, local economic development is indirectly promoted, and the income of farmers is increased.

The invention discloses an eco-friendly riverway bank protection structure which comprises a bottom platform arranged at the slope toe and a middle platform arranged at a medium water level position.The bottom platform and the middle platform are connected through a lower slope, toe protection flexible net bags filled with fish spawning nest blocks are pressed on the bottom platform, and the middle platform is connected with the top of a bank slope through an upper slope. The middle platform is paved with diamond ecological bank protection blocks which are provided with vertically-through planting grooves, and mutually-communicating artificial fish ways are arranged on four side faces of each ecological bank protection block. The upper slope and the lower slope are each formed by stackingfish spawning nest net cages, and penetrating net pipes are arranged in the middle of the fish spawning nest net cages. The eco-friendly riverway bank protection structure can meet the requirement for stability of a riverway slope bank, can prevent acute evolution of a riverbed, and can create conditions for plant growth and animal inhabitation, engineering and environment are well integrated, and the requirements for ecology, landscape, bank protection and other aspects are met.

An inflatable flying platform comprises a main activity platform, a multi-functional suspension cabin used for balancing the platform and a safety net lifting balloon, wherein four vertical jet fans and two horizontal jet fans are arranged on the main activity platform, an upper layer activity space is located in the top area of the main activity platform, a lower layer activity space is located in the lower area of the main activity platform, the lower layer activity space is divided into semi-enclosed spaces through screen cloth, an independent air chamber balloon is arranged in each semi-enclosed space, the air chamber balloons are orderly arranged according to a honeycomb structure or distributed in lines and rows, and a free space formed among the gaps of four adjacent balloons is used for arranging various supporting facilities; upward and downward passageways are arranged between the upper layer activity space and the lower layer activity space; the safety net lifting balloon is connected with the four corners of the upper layer activity space through four equal-length ropes; and the multi-functional suspension cabin is located under the lower layer activity space. The platform provided by the invention has complete functional facilities, perfect ecological system and enough activity space.