119 results about "Species diversity" patented technology

The invention discloses an ecological monitoring information management and pre-warning system for river-communicating lakes. The system comprises a hydrological module, a water quality and water ecology module, a river beach ecology system module, a species diversity module, a multi-element information mining module and a risk assessment pre-warning and analysis module, wherein the risk assessment pre-warning and analysis module comprises a low-water-level pre-warning module, a species diversity pre-warning module and a eutrophication risk assessment and pre-warning module. According to the system, modern information management functions of data and information electronic storage, data dynamic acquisition and transmission, intelligent query, information display and the like can be realized; the effect of analyzing heterogeneity and diversity of data and ecological characteristics of the data is good; and a monitoring result can be subjected to automatic determination and real-time pre-warning.

An apparatus that allows selectively feeding animals and corresponding method is disclosed. The apparatus includes in general a food container, dozer with a control unit and wireless identification and communication interfaces. In other aspects the invention is used to selectively feed animals by time, food quantity and species diversity.

The invention discloses a method for building a near-natural forest for a subtropical city. The method is characterized in that deciduous broad-leaf trees with seedling age as 4-5 years and evergreen broad-leaf trees with the seedling age as 2-3 years are adopted for building a different-age multiple-layer deciduous-evergreen broad leaf mixed near-natural forest. The lower layer of the mixed near-natural forest is evergreen broad-leaf trees with seedling height as 0.2-1.0 meter accounting for 70% of mixed biocoenosis, the upper layer of the mixed near-natural forest is deciduous broad-leaf trees with seedling height as 1.5-2.5 meters accounting for 30% of the mixed biocoenosis, a different-age biocoenosis structure is formed, and view of the near-natural forest for the subtropical city is fast built. Compared with the prior art, the method is simple, the near-natural forest is easy to build, low in cost, complete in biocoenosis structure, rich in diversity of species, high in biomass and less in manual management. The method is especially suitable for building the subtropical near-natural forest view for cities in a Yangtze river delta area.

The invention discloses technology for artificially raising and breeding Dastarcus helophoroides of Anoplophora malasiaca and preventing and controlling Anoplophora glabripennis, which comprises the following steps: firstly, raising adults of the Dastarcus helophoroides of Anoplophora malasiaca and inducing the adults to lay eggs at an environmental temperature of 25+/-1 DEG C and the humidity of 60+/-2 percent; incubating larva of the Dastarcus helophoroides of Anoplophora malasiaca; and then inoculating the larva on a substituted host body, parasitically developing the larva, and performing eclosion to make the larva become adults so as to perform industrial mass production to provide a great number of natural enemy resources for the production. Egg release cards or adult release bags can be also subjected to low temperature refrigeration for standby. The Dastarcus helophoroides is applied to prevent and control the Anoplophora glabripennis, the egg release cards or the adult release bags of the Dastarcus helophoroides of Anoplophora malasiaca can be massively prepared, and the eggs or adults of the Dastarcus helophoroides of Anoplophora malasiaca are released in hazard areas of the Anoplophora glabripennis to effectively prevent and control the Anoplophora glabripennis. After the prevention and control, the technology has obvious control effect and no environmental pollution, protects ecological balance and species diversity, and can realize the prevention and control target for effectively and continuously controlling pests.

Disclosed is a process for comprehensive treatment of discarded metal tailings, wherein fungus root technology is employed to recover the metal tailing vegetation, the process comprises the steps of, (1) preparing the seeding agent, (2) preparing the basic plant material, (3) carrying out seeding bacteriorhiza treatment to plants by using the seeding agent obtained in (1), (4) conducting physical and chemical analysis to the metal tailing and related treatment, (5) sowing seeds or replanting young sprouts on the skin layer of the treated metal tailing, (6) curing the young sprouts.

The present invention discloses a wet land species diversity habitat system construction method which comprises the steps of: deep water area construction; shallow water area construction, wherein the area with the water depth being less than 50 cm is 30%-50% of the total water area, and abundant flow state environment is built; sandy beach construction; swamp area construction including the steps of planting pieces of emerged plants having developed subterraneous stems in a low-lying swamp area which is waterlogged all year round, or appropriately accompanying plants such as softstem bulrush, cattail, water horsetail and marsh marigold and the like, or alternately planting sedge; and aquatic vegetation zone construction including the steps of coastwise arranging emerged plant zones and floating-leaved plant zones in a land and water interface hydro-fluctuation belt zone so as to form an isolating barrier, the depth into the water being at least 10 meters. According to the method, the biology habitat function of a wet land can be newly built or recovered, a good growth and propagation place is provided for wet land biology, and an appropriate ecological environment is provided for birds, amphibians, fishes and periphyton.

The invention discloses a spatial planting method of abandoned lands, wherein, the method is a production operation way which farthest uses forestry land resources to obtain economic benefit by planting plants with higher economic benefit such as forests, vegetables, medicinal materials, flowers, and the like, in the abandoned lands and open spaces among the forests. The method comprises the steps of selecting undergrowth wild dominant plant varieties which are suitable for the spatial planting in the abandoned lands by means of the following techniques: researching plant varieties resources-preliminary screening the undergrowth wild dominant plant varieties-market researching-further screening the undergrowth wild dominant plant varieties-synthetically quantitative scoring; collecting wild teasel root seedlings; culturing seedlings; transplanting; tending; and harvesting, so as to farthest use the forestry land resources to obtain economic benefit, increase the pure income of farmers and have a good function for promoting the growth and the fruiting of the main tress in the abandoned lands. The method also can be taken as an important approach to reduce the dependency to the wild resources, maintain species diversity and eubiosis, change resource superiority into economic superiority, and increase the income of the farmers.

The invention provides a composite microbial agent for treating contaminated water and a preparation method thereof. The composite microbial agent for treating contaminated water comprises photosynthetic bacteria, bacillus, nitrosobacter, nitrobacter, denitrifying bacillus and biological enzymes. The photosynthetic bacteria, bacillus, nitrosobacter, nitrobacter and denitrifying bacillus are obtained by culture and domestication of microbes extracted from natural water, and the combined bacteria have characteristics of species diversity, high activity, high efficiency and good stress resistance. The composite microbial agent can effectively stimulate the activity of microorganisms in water, accelerate the growth and reproduction of microorganisms and provide a good support for in-situ remediation in treatment on waste water in rivers, lakes and rivers.

The present invention discloses a city river course environment improving method, which comprises: water level maintaining, wherein the city river course is maintained at a certain range; water quality improving, wherein a flocculant and/or oxidizing agent is used for the water body so as to make the suspension of the water body be subjected to coagulation, and then settlement is performed to improve the transparency of the water body; sediment improving, wherein the sediment particle size is refined, the sediment oxidation reduction conditions are improved, and the sediment harmful organisms are killed; upstream floating residue trapping removing, wherein the grilling for removing the floating substances on the water surface is arranged on the river course upstream; and ecological revetment protection, wherein ecological hexagonal bricks or/and wetland plants and/or vine plants are used to protect the revetment so as to enhance the side slope stability. According to the present invention, the river course water quality is improved, the sense organ requirements of human on the river course are met, and the river course organism species diversity is enriched.

The invention discloses a water shield planting method, and belongs to the technical field of aquatic vegetable planting. The water shield planting method comprises the following steps of: performing field selection, field planting, field management and harvesting; establishing more than one hundred mu of integrated water shield fields; controlling the water level of the water shield field by utilizing automatic facilities such as a drainage and irrigation station; breeding finishes, such as grass carp and bream, with reasonable density; increasing species diversity of the water shield field; and controlling injurious insects such as float grass and duckweed chironomids to improve the yield of the water shield and improve the quality of the water shield. By the water shield planting method, the yield per mu of the water shield is improved; the problem that the market shortage of the water shield of the entire country is solved effectively; and the method can be popularized in large area.

The invention relates to a method for activating a soil seed bank in a large area of an arid desert area. The method provided by the invention utilizes a substance base which is contained in the soil seed bank, is used for restoring and recovering vegetation and has the property of accelerating the vegetation of a degenerated ecosystem to rapidly recover the potential; on the basis of abiding by a reproduction principle of plants in the arid desert area, artificial pilot and overflowing are respectively carried out at a rain distributing period of seeds of main dominant species and in a germination season of multiple seeds in the soil seed bank through utilizing limited water resources including brackish water of a recovering area, ecological water drained from a flood season and the like; and a seed source is artificially supplemented through combining a step of rinsing seeds, so that the large-area activation of the soil seed bank is realized; a vegetation community of the degenerated ecosystem of the arid desert area is recovered and restored, so that an ecological recovery process of the degenerated ecosystem is accelerated and a positive succession of a plant community structure and a species diversity is realized.

The invention relates to a natural repairing and recovering method of deteriorated grassland in the loess plateau, and belongs to the technical field of recovering methods of the deteriorated grassland. The method is based on forbidden recovering and supplemented by the manual control and manual interference measures, namely cement stand columns, chain line fences and other forbidden facilities are arranged to completely forbid the original areas where grassland vegetation is destroyed and degraded seriously or agriculture and forestry can not be operated and forage grass can grow, human and animal interference can be controlled strictly, and chance and time for living and multiplying of grassland are given. The method can improve the converge degree of deteriorated grassland vegetation by 50-75% and the biomass of the grassland vegetation by 50-80%, the diversity of species is richer and richer, the number of grassland vegetation and species is increased to 313 from 68 before the forbidding, the grassland quality is improved, and in the plant structure of the recovered grassland community, the grass family and feverfew plants account for 26.8%, the beam or pea family plants account for 8.3%, and the other plants accounting for 64.9% are included in the 33 families. The ecological economy and social benefits of the grassland are significant, and the grassland becomes the demonstration model of the loess plateau.

The invention relates to a weathered bedrock hydro-fluctuation belt land seedling cultivation and water growth tree planting method. Because of seasonal water level rise and fall, the weathered bedrock area of the submerged land around a reservoir area exposes periodically, and the method is used for permanently greening the weathered bedrock area by planting trees. The method is characterized in that according to the rise and fall gradient of the water level, root-control container seedlings with corresponding sizes are cultivated on the land, so that land cultivation is completed, then, planting holes are dug on the weathered bedrock hydro-fluctuation belt, planting is directly carried out, and water growth is completed. With any water level, planted water-tolerant hygrophilous trees can partially expose out of the water surface, the photosynthesis and respiration of seedlings can be guaranteed, the phenomenon that soil at the roots of trees is washed out year after year is prevented, the growth of the trees is stabilized, the species of diversity is enriched, and the strong slope protection and soil fixation effects are achieved.

The invention discloses a cultivation method for interplanting officinal cape jasmines and radix isatidis. The method is characterized by comprising the steps of jasmine planting and management, and radix isatidis interplanting, management and harvesting. The method for interplanting young cape jasmines and the radix isatidis has the advantages that the land utilization efficiency of young cape jasmine trees is improved, the radix isatidis is interplanted among cape jasmine lines, the land is fully utilized, the multiple crop index of the cape jasmine trees is also improved, and the diversity of species is increased; the economic benefit of the cape jasmine trees is improved, the cape jasmines only nutritionally grow and cannot blossom and bear fruits at a young stage, the radix isatidis is interplanted among the cape jasmine lines, and 200 Kg dried folium isatidis products and 200 Kg dried isatis root products can be yearly harvested per mu, and the new returns per mu are 2460 yuan; the radix isatidis is a short-stem crop and is suitable for interplanting, the leaves of the radix isatidis wholly cover the ground after the radix isatidis is mature, labors for weeding are decreased, and water and soil are further conserved.

The invention provides an irrigation area water-saving potential measurement method and device based on big data, and the method not only considers the saving of water resources, but also can ensure the balance of the ecological environment of an irrigation area and surrounding areas of the irrigation area, protects the ecological environment and species diversity, and maintains the original hydrological cycle and the like of the irrigation area and the surrounding areas. Dominant species are selected at the periphery of an irrigation area to serve as marks; agricultural irrigation water-saving development is carried out on an irrigation area; according to the growth condition of dominant species around the irrigation area; determining and evaluating whether the water-saving technical mode(irrigation parameter) applied in the irrigation area is reasonable or not; whether the surrounding ecosystem balance and species diversity are damaged or not is judged; Thus, ecological balance damage and influence on species diversity of an irrigation area and surrounding areas caused by excessive water saving can be effectively avoided, a basis is provided for implementing a water-saving technical mode in the irrigation area, and therefore a reasonable agricultural water-saving technology and management mode are selected, and local economic development is better promoted and ecological balance is better protected.

The invention relates to a method for preparing an organic fertilizer. Parts of agricultural organic wastes are used as a composting raw material, the remaining agricultural organic wastes are pyrolyzed at a low temperature to prepare charcoal and pyroligneous liquor, and the charcoal, the pyroligneous liquor and the composting raw material are fermented together to prepare the charcoal-pyroligneous liquor organic fertilizer. The charcoal-pyroligneous liquor organic fertilizer prepared in the invention can effectively improve the soil structure and improve the water and nutrient retention ability of soil while greatly increasing the organic matter content of the soil. The addition of the charcoal, in the production of the organic fertilizer is helpful for maintaining the composting temperature and promoting the growth of microorganisms, so the composting cycle is shortened; and more importantly, the charcoal can effectively absorb ammonia and hydrogen sulfide to reduce nitrogen and sulfur loss in the composting process. The addition of the pyroligneous liquor in the production process of the organic fertilizer improves the species diversity and the functional diversity of the microorganisms in the soil, so the increase of the activities of related enzymes used by mineral elements is benefited, and the activity of soil enzymes participating in soil carbon mineralization is reduced.

The invention discloses an afforestation and ecological remediation method for a saline and alkaline land on a muddy coast and belongs to the technical fields of agriculture and ecological engineering. The afforestation and ecological remediation method comprises the following process steps: 1) on-site improvement; 2) tree species selection; 3) forest planting; and 4) nursing management. The afforestation and ecological remediation method for the saline and alkaline land on the muddy coast is reasonable in design; when the method is used for afforestation and ecological remediation for the saline and alkaline land on the muddy coast, the soil can be effectively improved, and the salt content of the soil can be reduced; due to the action of the vegetation cover rate, the community structureand species diversity of native herbaceous plants on the saline and alkaline land on the muddy coast are effectively changed, and native plants in a research area are promoted to enter a new succession progress; and the afforestation and ecological remediation method is beneficial to maintenance of biological diversity, improvement on ecological functions such as water and soil retention and water source conservation and promotion of construction of coastal beautiful scenery lines.

The invention discloses replacement control of pachyrhizua angulatus to invasive weed mikania micrantha. It is discovered that the pachyrhizua angulatus can be regarded as a species which replaces andcontrols the mikania micrantha to inhibit invasion of the mikania micrantha. Pachyrhizua angulatus seeds are planted in soil of South China where the mikania micrantha is removed in advance, the pachyrhizua angulatus can rapidly occupy the vacant ecological niche after the mikania micrantha is removed, and the effect that the mikania micrantha are effectively controlled can be achieved at a relatively low density. Meanwhile, along with the increment of the cover degree of the pachyrhizua angulatus, photosynthesis of the mikania micrantha can be lowered, growth of the mikania micrantha is inhibited, landing and germination of mikania micrantha seeds can also be effectively stopped, and the mikania micrantha is prevented from establishing a new population. Quantity increment of the pachyrhizua angulatus seeds is beneficial for spreading and stability of the mikania micrantha population. In the soil where the pachyrhizua angulatus seeds are sowed, the species diversity is improved, the stability of the ecological system is improved, and the ability to resist exotic species invasion is improved.

The invention belongs to the technical field of breeding and discloses a barbodes fuxianensis artificial propagation technology. The barbodes fuxianensis artificial propagation technology includes the steps of fishpond building, parent fish selection, oxytocic injection, parent fish management before oviposition, artificial insemination, artificial incubation and fingerling breeding. By means of the barbodes fuxianensis artificial propagation technology, fingerling can be provided for the society, and artificial breeding through dam pools and reservoirs can be popularized; fishermen can obtain economic benefits, meanwhile, fishery innovation can be accelerated, life of people can be improved, and economic prosperity in rural areas can be promoted; a certain amount of fingerling can be led into the Fuxian Lake so as to protect the species diversity of the Fuxian Lake, optimize fish fauna composition, keep ecological balance, protect aquatic wildlife and increase the yield of brand-name and high-quality aboriginal fish; in addition, substances in a large water body are transformed into nutrient substances every year, so that water is purified, the environment is protected, and the water quality of the Fuxian Lake is protected.

The invention provides a method for purifying water quality by utilizing the species diversity of submerged plants. The method comprises the following steps: (1) selecting the species of submerged plants which are common in fresh water lakes and rivers and can be symbiotic and can be subjected to asexual propagation through the internodes, constructing submerged plant communities comprising one, two, three and four species respectively and having different species diversity levels; (2) putting the constructed communities into sewage; (3) after 30-50 days, taking the water samples in a container to measure the water quality indexes, determining the best species diversity level for purification of the water quality and the optimal species combination under the diversity level. According to the method provided by the invention, the total nitrogen content of the water body can be effectively reduced, the water transparency of the water body can be improved, and algal bloom can be inhibited, the ecological and service functions of the wetland can be effectively restored and protected, and a scientific theoretical basis can be provided for ecological restoration of the degraded lake wetland.

The invention discloses a preparation method of a submerged vegetation patch, which relates to the technical field of the ecological environment engineering, and comprises the following steps that: 1, selecting a seedling: the top end of a submerged plant with vigorous growth is selected as a seedling; 2, setting a planting pot: the planting pot is a cubic vessel, clay is arranged on the bottom part of the vessel, and then a layer of fishing net is paved on the clay; 3, planting the seedling: the well-selected seedling passes through the fishing net of the planting pot to be plugged inside the clay; 4, placing the planting pot into a pool: the planting pot with the seedling is placed into a pool; 5, managing the seedling in a later stage: the water depth is gradually increased until the seedling grows to the required height; and 6, putting a patch: the prepared patch is arranged on the bottom part of the water to be restored. The preparation method is simple, the cost is low, and the effect is remarkable; the water quality can be effectively improved, the diversity of the submerged plant can be increased, and the stability of the aquatic ecological system can be strengthened; and the preparation method is suitable for restoration engineering of lake aquatic plant and lake aquatic plant diversity or for the ecological rebuilding engineering of the lake aquatic ecological system.

The invention relates to a method for cultivating Swedish energy willows through protective soil preparation mode, which includes the steps of preparing soil, digging pits, planting, backfilling soil, collecting the hydrosphere, and covering and preserving soil moisture. The method can reaches the purposes of intercepting precipitation, alleviating surface runoff, reducing soil erosion, restraining the growth of herbaceous plants in the forest land and improving the productivity of the forest land. The method has obviously better effect over the prior art in aspects of habitat and species diversity of the forest land, energy willow afforestation survival rate and individual growth, soil condition of the forest land, photosynthetic parameters, growth of the new tresses of the Swedish energy willows and the like, the afforestation survival rate can be above 90% and the growth rate of the forest trees can be above 30%.

The invention relates to a vegetation protection and recovery technology for a plateau high-cold steppe area, which comprises a turf and grass seed selecting technology and a planting technology. The invention is characterized in that the planting technology adopts superior grass for vegetation recovery in an off-line project, adopts grass that livestock dislike to graze for roadbed protection and vegetation recovery, and adopts two construction technologies of turf transplantation and grass seed planting as frozen soil protecting measures. In the invention, species and planting technologies can be selected for different road area environments, the survival rate of plants at the early stage is improved, the capacities of living through the summer and winter are enhanced, the species diversity is increased, the recovery progress of vegetation at the early stage is accelerated, the operation is simple, and the working efficiency is high. The invention has the beneficial effects that a temporary steel protecting cylinder pulling technology with a steel pipe column ensures accurate positioning of a middle column, and the cost is reduced by turnover and reuse of the steel protecting cylinder.