83results about How to "Improve habitat" patented technology

The invention discloses a composite type artificial algal reef comprising a mature algal reef and a seedling reef. The mature algal reef comprises a solid base. The upper surface of the solid base is embedded with a metal frame, wherein the shape of the metal frame is identical to that of the upper surface of the solid base and the size of the metal frame is identical to that of the upper surface of the solid base. A conch net bag is arranged in the metal frame. The center of the upper surface is embedded with a metal stand column. A steel ring is welded to the upper end of the stand column. A plurality of seedling ropes are fixed between the metal frame and the steel ring. The seedling reef is fixed to the side face of the solid base of the mature algal reef, and algal seedlings are attached to the seedling reef. By the adoption of the composite type artificial algal reef, the attaching effect of alga is guaranteed, the repair period of an algae field is shortened, the success rate of repair and reconstruction of the algae field is improved, the adhesive rate of the seedlings is increased, and the seedling reef is firm, durable, small in size, light, and convenient to carry; the net bag made of waste conches is placed in the metal frame, and a biophile reef can be composed through diffusion and attachment of spores of fronds on the seedling ropes; resource utilization of the waste conches is achieved, and composite type artificial algal reef has the advantages of being economical and easy and convenient to use.

The invention relates to a bypass offline river purifying method and a bypass offline river purifying system. According to the invention, a branch of a polluted river is adopted as a basis; a drainage channel is constructed, such that a bypass is formed; polluted river water is introduced into the bypass from the branch, such that the retention time of the polluted river water in the bypass is increased; in the bypass, pollutants are removed with offline and online ecological engineering technology and environmental engineering technology; and purified water flows into a main stream, such that river water quality is improved, and river ecosystem is restored. The invention also discloses a purifying system used for realizing the bypass offline river purifying method. According to the invention, main stream river channel original status is not changed, main stream flood protection is not influenced, and water quality purification and ecological restoration effects are good. The method and the system are suitable for ecological management and ecological restoration of polluted river with rich branches, dense drainage irrigation channels, or developed ponds.

The invention discloses a multifunctional bio-organic fertilizer and a preparation method thereof, and relates to the technical field of agricultural fertilizers. The multifunctional bio-organic fertilizer is prepared from the following raw materials in parts by weight: 40-60 parts of forestry and agricultural residues, 10-16 parts of active humic acid, 5-15 parts of degreased tea-seed pancake, 0.5-1.5 parts of expanded vermiculite, 0.2-0.8 part of abscisic acid, 0.2-0.8 part of zymophyte, 0.2-0.8 part of beneficial bacterium, 0.2-0.8 part of degrading bacteria, 5-9 parts of urea, 8-12 parts of calcium magnesium phosphate fertilizer, 4-8 parts of potassium sulfate, and 0.5-1.5 parts of medium and trace element. The multifunctional bio-organic fertilizer has the characteristics that the nutritional elements for plant growing are contained; the organic substances are rich; in addition, the contaminated oil can be remediated; the soil structure can be activated; the multifunctional bio-organic fertilizer is applicable to the planting of crops such as rice of southern China, vegetables, watermelon, tobacco, fresh ginger, rape and tea, fruits such as naval orange, grapefruit and pear, garden nursery stock and flowers.

The invention discloses a method for culturing South African sugpo prawns by a higher-place pond, high salinity and high density, and belongs to the technical field of marine culture. The method includes South African sugpo prawn seed workshop temporary culture, higher-place pond culture management, scallop cage throwing in the higher-place pond and fishing by stages. By combination of factory-like workshop culture modes, the South African sugpo prawns are salinized and temporarily cultured, microecological bacteria are reasonably used in the culture process, waste scallop cages are thrown into the higher-place pond, the sugpo prawns are fished by stages at a late culture stage, the South African sugpo prawns can adapt to high-salinity water, water quality can be ensured at the late high-density culture stage, and the method is of great significance for increase of survival rate at an earlier stage, guarantee of culture water quality and yield improvement.

The invention relates to a stepped weir for a straight river channel. The stepped weir is characterized by comprising a trapezoidal weir and/or a W-shaped weir arranged between a first river bank and a second river bank, wherein the trapezoidal weir and the W-shaped weir are in an isosceles trapezoid and in a W shape, respectively, along the water flow direction in a river channel between the first river bank and the second river bank; symmetry planes of the trapezoidal weir and the W-shaped weir are both overlapped with the central plane of a river width; heights of the trapezoidal weir and the W-shaped weir are both lower than or equal to planes on which the top parts of the first river bank and the second river bank are located; elevations of main body parts of the trapezoidal weir and the W-shaped weir gradually increase along the water flow direction; and at least one recirculation zone is formed in the downstream direction of the water flow. The stepped weir provided by the invention is capable of weakening energy, maintaining the stability of the river channel, increasing a habitat for aquatic organisms and favorably increasing biodiversity of the river channel, and can be widely applied to river channel regulation works.

The invention discloses a preparation for promoting fibroblasts to secrete extracellular matrix components, and a preparation method and application thereof. The preparation comprises the components of A) the egg white of eggs, B) egg white lysozyme, and C) pyruvic acid or pyruvate, can also comprise ovotransferrin and/or glucose, and is obtained by mixing the components uniformly. The preparationcan serve as an externally used paste for skin in application, and can obviously stimulate the secretion of collagen and hyaluronic acid synthase in the fibroblasts of the skin and improve the resiliency and the moisture content of the skin. The preparation is derived from a biologic extractive technique, has no harmful substance residues, safe and high-efficiency use, and is different from the prior method for promoting the secretion of a single fibroblast ECM component; besides, the preparation has multiple effects, wide application range and extensive application prospect, and can be applied in the fields of the preparation of skin substitutes, the preparation of anti-aging skin care products, cosmetics, medical treatment and the like.

The invention discloses desertification control land and a control method thereof. The control method is characterized in that positions of patches (1) and corridors (2) are selected, and the patches (1) are connected together through the corridors (2) to form a matrix (3); the patch-corridor-matrix is a whole which is in continuous connection and development in space, and is used for breaking up the large-area desertification land into parts when being applied to the desertification control land, so as to achieve the control mode of letting one unit guide a whole area, and the distance between every two patches is determined via the size, expansion rate and control cost of the desertification land; a plurality of grooves (4) and (5) are respectively formed in each patch (1) and each corridor (2) and are filled with a mixture (6) of soil and cow manure; grass seeds (8) are sowed in the grooves, and tree seeds (9) are in root cutting or planted in the grooves, and then sand (7) is spread and laid on the surfaces of the grooves sowed with the grass seeds; the arrangement direction of the grooves is required to be vertical to the direction of the dominant wind in winter and spring, which is more conducive to the control effect.

The invention relates to a porous rotating spherical polygonal suspension filler which comprises an outer sphere and an inner core.The inner core can rotate in the outer sphere, the outer sphere is formed by connecting two hemisphere frames in a butt-joint mode, each hemisphere frame is composed of three circular ring sheets and multiple sets of support sheets which intersect with the circular ring sheets vertically and horizontally, and the inner core is composed of two soft circular rings, multiple sets of support rods which connect the soft circular rings and soft fiber bundles fixed to the support rods; the circular ring sheets intersect with the support sheets vertically and horizontally to form a fishing net-shaped hollow structure, the circular ring sheets sequentially comprise the first circular ring sheets, the second circular ring sheets and the third circular ring sheets from small to large, each third circular ring sheet on the hemisphere frames comprises an upper circular ring sheet body and a lower circular ring sheet body, and the upper circular ring sheet bodies are connected with the lower circular ring sheet bodies through bolt plugs and bolt plug holes.The hollow filler has the advantages of being large in specific surface area, large in quantity of contained microbial strains, capable of achieving material biodegradation resistance, extremely little in excess sludge, low in preparation cost, convenient to assemble and disassemble and long in service life.

The invention relates to a method for large-quantity propylea japonica indoor raising. Wheat aphids, melanaphis sacchari and corn leaf aphids are used as aphids for feeding propylea japonica, and through specific technical measures such as host young aphid cultivating, aphid expanding propagation and propylea japonica artificial feeding, a large quantity of field-preventing and indoor-theory-study propylea japonica is obtained by expanding propagation. According to the method, wheat aphid feeding is carried out at a larval phase, and wheat aphid, melanaphis sacchari and corn leaf aphid feeding is carried out at an adult spawning period. The nutritional requirements of propylea japonica are improved, and the fecundity of propylea japonica is greatly improved. During raising, corn seedlings are placed, the habitat of propylea japonica is enlarged, space complexity is improved, propylea japonica autotomy and competition are lowered, and raising density can be greatly improved. The method is summarized according to the habit of propylea japonica and is easy to operate, economical and practical. Propylea japonica obtained by expanding propagation is high in survival rate and high in fecundity, and large-scale artificial breeding of propylea japonica can be achieved.

The invention relates to a multi-layer waterweed planting device special for lobster aquaculture. The multi-layer waterweed planting device includes a square basic frame, four support feet are symmetrically welded onto the lower end of the square basic frame; four bases are symmetrically welded onto the upper end of the square basic frame; the four basic bases are welded onto four installation columns; an inner walls of the four installation columns are provided with four linear slide rails; four linear slide columns are arranged on the four linear slide rails; a planting box is welded among the four linear slide columns; first water holes are evenly formed in the center of the planting box; two lifting driving mechanisms are arranged on two sides of the lower end of the planting box; and four side surface planting branch chains are arranged on four end surfaces outside the square basic frame. The multi-layer waterweed planting device can achieve multi-layer waterweed supplying and high yield cultivation in lobster aquaculture, can automatically feed lobsters, is low in lobster aquaculture cost, is high in output value of the lobsters, is good in aquaculture effect, and is high in economic benefits.

The invention provides a lakeside zone ecological improvement technology capable of eliminating waves and promoting sediment deposition. Based on the synthesis of existing related technologies for lakeside zone ecological restoration, in terms of the characteristics of a lakeside zone, a bottom material is improved, the flow rate of a water flow is reduced, and the basic environment conditions of growing and breeding large-scale aquatic higher plants are enlarged; main components used for ecological improvement comprise an underwater sand blocking bank arranged on the lakeside zone and a bamboo raft floating bed arranged at the head region of the lakeside zone; the underwater sand blocking bank is mainly used for blocking a bed load sediment flowing in a lakebed to reduce the flow rate of the bed load sediment and realize quicker settling of the sediment; the bamboo raft floating bed is mainly used for playing roles in eliminating waves, promoting siltation and protecting the sand blocking bank. By designing the combination of the underwater sand blocking bank and the bamboo raft floating bed of the underwater sank blocking bank, the flow rate of the water flow can be reduced, the sediment deposition is promoted, the aquatic higher plants can favorably root for survival, a physical environment which is beneficial for sediment deposition and algae capture and enables nutrient elements such as nitrogen and phosphorus to be accumulated and purified is established, and thus a lakeside zone ecological system is better stabilized to realize the purpose of water quality improvement.

The invention relates to a bio-floating bed and an on-site three-dimensional bio-remediation method for a micro-polluted water body. The bio-floating bed relating in the invention comprises a floating bed body, and a combined biological stuffing is arranged on the floating bed body. Also, plants can be grown on the floating bed body. Efficient microflora obtained by enriching and domesticating bottom sediment of a to-be-treated water body is suspended on the used combined biological stuffing, and has the advantages of being high in biological activity, strong in adaptability and good in treatment effect. The invention further relates to an on-site three-dimensional bio-remediation method for the micro-polluted water body. The method comprises the steps of: covering the bottom sediment of the micro-polluted water body with about 1-2cm coal ash, then spraying the film-suspended biological stuffing on the coal ash by about 1-2cm; then covering the water surface of the micro-polluted water body with the bio-floating bed, wherein the coverage area takes up 10%-20% of the water surface area of the micro-polluted water body. Through the remediation method, the micro-polluted water body can be continuously purified for three to four months.

The invention relates to a method for controlling blue-algae bloom outbreak of urban landscape water. The method comprises the following steps: for revetment and lake bottom hardened urban landscape water, building a hardened planting pool at a river bank, and planting emergent plants; planting submerged plants in a flowerpot, and sinking the flowerpot to the bottom of the water; and planting floating-leaved plants in the flowerpot, and placing on the bottom of the water. By planting the aquatic plants and ensuring the planting area and biomass of the aquatic plants, the excessive growth and breeding of algae in the water are inhibited, and the blue-algae bloom can be inhibited and eliminated. When the blue-algae bloom outbreak is effectively controlled, the clear state of the water can be maintained, the landscape effect of the water is improved, a good living space and habitat can be provided for bottom inhabiting organisms, a high-density zooplankton colony is formed, and the biological diversity is improved. The potted aquatic plants are easy to replace and manage, and the method has the advantages of simplicity in operation and maintenance, low investment and low energy consumption.

The invention relates to a technology for conditioning a lakeside matrix through biochar and dry reed stems conditioning to strengthen nitrogen and phosphorus removal. The dry mass percent of the charcoal, the dry reed high-temperature cracking stems and the lakeside matrix is (1-5):(0.5-2):(93-98.5). The dry reed stems are subjected to high-temperature cracking to prepare the charcoal, then the charcoal and the dry reed stems are mixed into the lakeside matrix, vascular bundle type aquatic plants are planted on the mixed matrix, and effective removal of lakeside nitrogen and phosphorus is achieved through the synergistic effect of the three. The raw materials, namely the dry reed stems, adopted in the method are cheap and easy to obtain, the technical operation is simple and feasible, andthe technology has the advantages of being low in investment cost, low in energy consumption and the like.

The invention provides a breeding method of native chickens and belongs to the technical field of poultry feeding. The method includes the following steps that 1, fences are arranged around a logging site, and therefore the chickens are prevented from being killed and lost; 2, the chickens are stocked in daytime and enter henhouses at night; 3, mixed feed is fed every day, and an attractant is added into the feed. A preparation method of the attractant includes the steps that other components except for salted duck egg yolk, peanut oil and rice wine are mixed and smashed into powder, a proper amount of water is added into flour, the materials are heated and stirred into paste, the obtained powder, the salted duck egg yolk, the peanut oil and the rice wine are added into the flour paste, the materials are stirred to be uniform, the materials are pelletized, dried and puffed, and then the attractant is obtained. The formula raw material source of the feed is wide and easy to obtain, the cost is low, the food intake is increased after the native chickens eat the feed, the disease resisting capacity is enhanced, the egg yield is increased, and the egg laying period is prolonged. Eggs laid by the chickens fed through the breeding method of the native chickens contain rich amino acid and microelements necessary for the human body, and the eating value is high.

The invention discloses a flue-cured tobacco cultivation method capable of effectively promoting flue-cured tobacco root growth. The method comprises the steps of tobacco seedling culture, tobacco seedling transplanting and field management. The flue-cured tobacco root growth environment can be effectively improved, proper conditions are provided for elongation growth of flue-cured tobacco roots, the flue-cured tobacco root length density and depth indexes are effectively enlarged, the root structure is optimized, and growth and development of overground parts of flue-cured tobacoo are promoted.

The invention provides a biochar-based organic special fertilizer for watermelons and a production method thereof. The special fertilizer is prepared from the following components in parts by weight:30-40 parts of biochar, 40-60 parts of organic materials, 6-8 parts of nitrogen (N2), 2-4 parts of phosphorus (P2O5), 6-9 parts of potassium (K2O), 10-15 parts of perlite, 1-2 parts of potassium sulfate, 1-2 parts of ammonium sulfate, 0.5-1 part of ammonium nitrate, 0.5-1 part of humic acid, 1.5-2.5 parts of wood vinegar, 1-2 parts of wood tar, 0.05-1 part of a probiotic agent, 0.5-1 part of a fertilizer controlled release agent, and 1-3 parts of a forming aid. The organic matters are solid livestock and poultry manure and decomposed organic plants with the water content of less than or equalto 40%. The preparation method comprises the following steps: carrying out high-temperature pyrolysis on crop straws to prepare biochar, adding the biochar and organic matters into a fermentation tank, carrying out mixed fermentation for 10-20 days, adding an ingredient granulator into the base material, granulating the mixture and finally spraying wood tar onto the granular fertilizer. The special fertilizer contains a large amount of organic nutrient elements, effectively utilizes waste resources, improves sandy soil, is suitable for planting watermelons, and improves taste and yield.

The invention relates to an artificial bird island and an artificial bird island constructing method. The artificial bird island comprises a closed fencing wall base, supporting mechanisms and a bird island main body, wherein the closed fencing wall base is arranged on bottom mud; the supporting mechanisms are arranged on the inner side and the outer side of the fencing wall base; the bird island main body is arranged in the fencing wall base; each supporting mechanism comprises at least three supporting columns of which the lower portions are arranged in the bottom mud and a stereoscopic connecting net structure arranged among the supporting columns; and the bird island main body comprises an island body arranged below a water surface and an island land arranged above the water surface. The artificial bird island is stable in structure; a construction technology is easy and convenient to operate; large machinery is not required; requirements on an operation environment are not high; the artificial bird island can be constructed within a short time; and the cost can be saved.