28 results about "Natural ecosystem" patented technology

The invention provides a carbon neutralization evaluation method for an ecological park, and the method comprises the steps: obtaining the basic data of various carbon assets in the ecological park, and the basic data comprises the natural ecological system carbon sink capability and human activity carbon emission intensity data; according to the carbon asset basic data, a time sequence analysis method is adopted to carry out modeling on the change trend of the carbon sink capacity and the carbon emission intensity, and a change trend model is obtained; modeling the spatial distribution of the carbon reserves and the carbon flux by utilizing a geographic information system technology and combining a change trend model to obtain a spatial distribution model; key variables are extracted from the spatial distribution model, and the effects of different factors on the carbon assets are quantified by adopting a multiple regression analysis method; acquiring carbon asset monitoring data, evaluating data quality, and if an abnormal value exists, performing correction by adopting a data cleaning algorithm; and according to the corrected carbon asset data, adopting a random forest model to predict the carbon sink capacity and the carbon emission intensity, and generating a dynamic evaluation result.

The invention relates to the technical field of forest tending, in particular to a structure regulation and control method for a pinus yunnanensis low-efficiency forest. The pinus yunnanensis low-efficiency forest structure regulation and control method comprises the following steps that ecological thinning is conducted on a pinus yunnanensis low-efficiency forest region, broad-leaved trees are planted in an intermediate cutting zone in a complementary mode according to the mixing proportion of 30% or below, and pinus yunnanensis lateral branches are pruned. According to the structure regulation and control method, good growth of the Yunnan pine forest is promoted, the diameter order range of the forest stand is expanded, the forest stand is converted into a needle-broad mixed different-age forest stand, the forest stand is gradually transited to random distribution or cluster distribution, the complexity and diversity of a natural ecological system can be better reflected, optimization of a forest stand space structure is promoted, and the economic benefit is increased. And a condition and a basis are provided for realizing a multifunctional effect of the forest.

The invention provides a river-lake shoreline type identification method and device, electronic equipment and a storage medium, and belongs to the technical field of data identification, and the method comprises the steps: determining a river-lake boundary line and a shoreline type of the river-lake shoreline based on satellite image data of the river-lake shoreline; the shoreline type comprises a natural shoreline and / or a non-natural shoreline; generating a vector polygon based on the shoreline type, and calculating density distribution data of the non-natural shoreline based on the vector polygon; dividing the river-lake shoreline ecosystem into a first region and a second region based on the density distribution data; the shoreline type of the second area comprises a natural shoreline and / or a non-natural shoreline; and determining the natural shoreline rate based on the number of the splines of the natural shoreline and the number of the splines of the non-natural shoreline of the second area and the natural shoreline length of the first area. According to the river and lake shoreline type identification method and device, the electronic equipment and the storage medium provided by the invention, the accuracy of evaluation of the natural ecosystem proportion and the natural shoreline rate of the shoreline zone can be improved.

The utility model discloses a modularized artificial wetland structure which comprises a wetland frame, a bottom surface impermeable layer is fixedly arranged on the inner wall of the wetland frame, a gravel layer is arranged above the bottom surface impermeable layer, a plant root system layer is arranged above the gravel layer, a filler layer is arranged between the plant root system layer and the gravel layer, and the filler layer is arranged on the bottom surface impermeable layer. A microbial layer is embedded in the filler layer, the top end of the left side of the wetland frame is communicated with a water inlet pipe, an aeration system is arranged in the wetland frame, the bottom end of the right side of the wetland frame is communicated with a water outlet pipe, and a water outlet valve is arranged on the water outlet pipe. Compared with the prior art, the sewage treatment device has the advantages that pollutants such as organic matters, nutritive salts, suspended matters and pathogens in sewage can be effectively removed through the combined action of physical, chemical and biological processes; the system mainly depends on the self-adjusting capacity of a natural ecological system, the operation energy consumption is low, and the construction and maintenance cost is relatively low.

The invention discloses a degraded wetland near-natural restoration method and system based on hydrological process regulation and control, relates to the technical field of wetland ecological restoration, and provides the following scheme: the method comprises the following steps: S1, investigating and accurately diagnosing the current situation of a degraded wetland; s2, constructing and implementing a hydrological process dynamic regulation and control system; s3, implementing collaborative remediation measures; s4, performing dynamic monitoring and feedback optimization; and S5, later maintenance and long-term maintenance. According to the method, hydrological process systematic regulation and control are taken as a core, a near-natural restoration concept is fused, wetland multi-element collaborative restoration is realized, regulation and control accuracy is guaranteed through a dynamic monitoring closed-loop mechanism, manual excessive intervention in the whole process is reduced, the problems that traditional natural restoration is low in efficiency and poor in manual restoration stability are solved, and the artificial restoration efficiency is improved. And the restored wetland forms a sustainable near-natural ecological system, so that the restoration effect and the long-term effect of the degraded wetland are greatly improved, and the method is suitable for wetland restoration scenes with different types and different degradation degrees.

The application discloses a natural ecosystem authenticity determination method and device, relates to the technical field of ecological evaluation, and comprises the following steps: acquiring land use data of a research area, and calculating an ecological structure authenticity index; identifying a natural reference area based on ecological environment zoning and the ecological structure authenticity index; acquiring ecosystem service data, and calculating an ecological process authenticity index and an ecological function authenticity index based on the natural reference area; acquiring species distribution data, and calculating a biological and indicator species authenticity index; acquiring human activity data, and calculating a human disturbance intensity index; and finally, normalizing and weightedly fusing the indexes to obtain a natural ecosystem authenticity comprehensive index. The application solves the problems of single dimension, neglect of regional natural benchmark differences and lack of a multi-factor comprehensive framework of the existing evaluation method, and significantly improves the scientific nature of natural reserve management.

The present invention relates to the technical field of domestic sewage treatment, and specifically discloses a small watershed rural domestic sewage treatment system and method. The method is to separately collect and treat black water and grey water in the farmer's courtyard, and through ditch transformation, utilization of the ecological treatment module system and the natural ecological system, sewage purification is realized. The system treats rural domestic sewage by combining the grey water treatment device with the ecological treatment module system, can overcome the disadvantages of high infrastructure cost, large floor area, complex management, high operation cost, poor ecology, etc., and obtains the tail water that can be directly utilized, truly realizing sewage purification, recycling, and turning waste into treasure.

The invention provides a method for preparing a camellia oleifera forest soil conditioner and a soil organic fertilizer based on indigenous flora and application of the method, and belongs to the technical field of microorganism utilization. According to the method, indigenous microorganisms captured from soil without fertilization interference under old camellia oleifera forests and healthy camellia oleifera trees in a germplasm resource nursery of more than one hundred years and indigenous microorganisms captured from broad-leaved forest or bamboo forest soil in a natural ecological system are combined according to a specific proportion; the oil-tea camellia forest soil conditioner or the oil-tea camellia forest soil organic fertilizer obtained through propagation culture can quickly improve and restore the oil-tea camellia forest soil in hills and mountainous areas and remarkably improve the yield and quality of oil-tea camellia seeds, is a solution based on nature, and is economical, practical, efficient, green, environmentally friendly and sustainable.

The utility model relates to a madrepore indoor artificial breeding system simulating a natural ecosystem, which comprises a breeding tank body, a coral breeding tank, an aluminum support arranged at the bottom of the coral breeding tank, and a bottom tank arranged in the aluminum support; the illuminating system comprises a coral illuminating lamp suspended above the coral breeding tank and an algae lamp suspended above the bottom tank; the water flow circulating system comprises a water pump and a water replenishing device which are arranged in the bottom tank, and wave making pumps arranged on the inner walls of the two sides of the coral culture tank; the filtering system comprises a protein separator, live stones and algae plants which are arranged in the bottom cylinder; and the titration system comprises a titration pump arranged on the outer side of the aluminum bracket. By simulating a natural ecological system and maintaining suitable and stable water quality conditions, the stability and the error-tolerant rate of artificial breeding of the coral are enhanced, the manual maintenance cost required by breeding is reduced, the survival rate and the growth efficiency of the artificial breeding coral are improved, and stable and suitable environmental conditions are created for indoor artificial breeding of the coral.

The invention provides a natural ecosystem investigation method. The natural ecosystem investigation method comprises the following steps: S1, acquiring a high-resolution remote sensing image and DEM data, and dividing ecosystem types; s2, typical ecological problems of the ecological system are determined, sample plot design and sample plot dynamic arrangement are carried out, investigation points are arranged in a sample plot, and sampling analysis is carried out; and S3, performing data analysis according to the plaque partition map, the sample plot location map and the remote sensing image map. According to the dynamic survey method combining quadrat / transect and sampling point actual ground survey, the mutual verification of ground, remote sensing and model data is realized by combining a satellite remote sensing and model simulation technology with multiple data sources, typical / important ecological problem partitions in a watershed ecosystem range are found out and verified, and a watershed ecological system is established. Support is provided for design and implementation of the ecological engineering project, and a data index basis is provided for acceptance of the ecological engineering project.

This invention discloses a simulated ecosystem for the preservation of Daphnia macrocarpa, comprising an upward-opening main ecological tank. Within the main ecological tank, from top to bottom, are a preservation and cultivation mechanism, a food self-cultivation mechanism, and a water purification mechanism. The preservation and cultivation mechanism includes a horizontally arranged preservation and cultivation support partition fixed within the main ecological tank. Multiple preservation and cultivation tanks with vertically extending axes are arranged on the preservation and cultivation support partition. Multiple first through holes communicating with the interior of each preservation and cultivation tank are opened at the bottom. This ecosystem constructs a closed-loop preservation system simulating a natural ecosystem, achieving integrated operation of food self-sufficiency, water self-purification, and environmental self-control during the preservation of Daphnia macrocarpa. This avoids the risks of exogenous pollution and stress damage to the Daphnia macrocarpa caused by manual operation, enabling long-term stable preservation of Daphnia macrocarpa.

The invention relates to a controllable underwater natural ecological cultivation method and system for groupers, macroalgae, meat blocks and mainly cultivated grouper fries are put into a fish house, lobsters, siganus and sparidae fishes for ecological control are continuously put into the fish house, a controllable natural ecological system is formed by relying on internal related facilities of the fish house, and after the controllable ecological system is stable, the groupers are cultivated in the fish house. A one-way food chain of the epinephelus can be formed, and the epinephelus performs ecological cultivation increasing by ingestion of natural bait entering the fish house ecological system; except for feeding artificial bait when an early ecological system is not stable, only an underwater automatic feeding device needs to be used for feeding a small amount of phagostimulant in the system every 3-5 days at ordinary times to attract external bait organisms to enter the system, artificial bait feeding is not needed, and the fish house is hoisted after about 250 days to collect and catch fish. A controllable fish house ecological system is utilized, one-way food chain ecology suitable for the groupers is formed, the whole cultivation period of the groupers can be monitored in the whole process, cost is low, and economic benefits are good.

The invention discloses a natural ecosystem soil carbon reserve calculation method based on machine learning, and the method comprises the steps: researching high-resolution remote sensing image data, a digital elevation model, meteorological station data, land utilization data and the like of a region; processing to obtain surface reflectance, vegetation indexes, soil indexes, terrain parameters and the like of a research area as independent variables, and then performing variable screening by using a random forest model so as to determine features having the most influence on target variables, retain variables having the most contribution to a model prediction effect, improve the precision and stability of the model, and improve the prediction accuracy of the model. Based on the screened characteristic variables, a soil carbon density result is obtained through fitting, continuous grid soil carbon density estimation of the research area is achieved, and finally the natural ecosystem soil carbon reserve is calculated according to the soil density. According to the method, higher-precision and finer-scale spatial continuous soil carbon reserve mapping is realized, and the capability of analyzing a soil carbon reserve forming and maintaining mechanism is enhanced.

The invention discloses a method and a system for identifying the range and the type of a multi-scale geographic transition area, and a medium, and belongs to the technical field of geographic information science. The method comprises the following steps: S1, constructing a humanity component and natural component index framework for identifying a transition region; s2, improving the coupling model, and measuring the interaction direction and strength between the social economic system and the natural ecosystem; s3, identifying transition areas of the grid units and performing type division; s4, using a gradient mutation detection method to identify a transition area in a typical direction, and combining a spatial mutation detection method to identify coupling index mutation on a regional scale so as to determine the boundary and type of the geographic transition area; and S5, training and predicting a transition type of a target level based on a random forest intelligent classification method, and further downscaling the geographic transition region to a target administrative unit, thereby obtaining different types of coupling system partitions. Through combination of the administrative unit and the grid unit, accurate matching of data is realized, and the efficiency of transition area identification is improved.

The application particularly relates to a kind of natural ecology-based multi-agent automated testing system construction methods, comprising: obtaining the system change data corresponding to the measured system, and configuring the corresponding agent according to the system change data Intelligent body Agent;Determine the association between each Agent based on the function of the measured system;According to the function type of the measured system corresponding to each Agent, the association between the related Agents, the Agent of the target task type is constructed Corresponding agent cluster;Based on the agent cluster of the target task type and the Agent of other task types, an automated testing system is constructed.The method associates the growth process of natural ecological system with the structure of automatic testing system, simulates the structure of natural ecological system to construct intelligent automated testing software system according to the self-evolution mechanism of nature, so as to achieve the purpose of intelligently testing the measured system.

The utility model relates to the technical field of river treatment, in particular to a bionic composite biological bed for black and odorous river treatment, which comprises a bionic component mounted on one side of a river levee, the bionic component is used for purifying the surface of a river and providing plankton and animal survival, and the bionic component comprises an upper floating bed arranged on the water surface. By means of the bionic assembly, the water purification assembly and the attachment assembly which are arranged and have a synergistic effect, comprehensive treatment on the surface layer, the middle layer and the bottom layer of a water body can be achieved, meanwhile, the treatment range is expanded, and the treatment effect is improved. The limitation that a traditional device can only float on the water surface is overcome, it is ensured that the whole water body is effectively purified, meanwhile, a natural ecological system is simulated through matching of multiple filling materials, bionic plants and aquatic plants, the water body has the self-repairing capacity, and stable water ecological balance is constructed.

The invention discloses a method for quantitatively evaluating the influence of the pattern change of a watershed ecosystem on a wading function. The method comprises the following steps: constructing an SWAT model; performing watershed discretization and HRU (hydrological response unit) division, parameter setting and model operation, and calibrating and verifying the model; replacing ecological system types of forests, grassland and wetlands in the land utilization data with bare lands, and operating the watershed hydrological model again; carrying out watershed hydrological process simulation under different land utilization scenes to obtain corresponding rainfall, evapotranspiration, runoff depth, water yield and river runoff; the basin water source conservation amount is calculated; the water yield is obtained; a standardized runoff index is calculated through the runoff volume of the river channel, and flood / drought occurrence months are counted. The method provided by the invention can quantitatively evaluate the influence of the pattern change of the main natural ecosystem on the watershed water source conservation effect, the water production effect, the flood regulation and storage and the drought relief effect, and provides theoretical support for scientific management, protection and recovery measures of the watershed ecosystem.

The invention provides an open-top chamber for simulating farmland daytime temperature rise and a system thereof, and relates to the technical field of farmland and natural ecosystem temperature rise simulation. The open-top chamber for simulating the daytime temperature rise of the farmland comprises a main body frame, the main body frame is hollow, the top of the main body frame is not closed, a plurality of ventilation openings are formed in the side wall of the main body frame, each ventilation opening can be closed by a side supporting plate, and each side supporting plate is connected with the main body frame through a spring hinge; a driving part and a winch are arranged at the top of the main body frame, the driving part is used for driving the winch to rotate, a plurality of pull wires are wound in the winch, and each pull wire is connected with one side supporting plate; and temperature sensors are arranged inside and outside the main body frame. The device has the advantages of quick response, high regulation and control precision and low energy consumption, the weather resistance and reliability of the device are greatly improved, and meanwhile, the device can cope with unattended working environments in fields and fields.

The invention belongs to the technical field of water treatment, and provides a submerged area inverted bioretention system and application thereof and a mine drainage water treatment method.The system sequentially comprises a planting soil layer, a submerged layer, a filter layer and a drainage layer from top to bottom, and the filling height ratio of the planting soil layer to the submerged layer to the filter layer to the drainage layer is (40-60): (20-40): (20-40): (10-30). According to the bioretention system, the height of the planting soil layer is increased, the submerging area is inverted to form an anoxic area, and the inverted submerging area can enable microorganisms and plant roots in the planting soil layer to form a synergistic effect, so that the adaptability of plants to the whole system can be improved, and the stability of an ecological system is promoted; compared with a traditional bioretention pond system, the bioretention pond system can bear sewage with higher impact load. According to the bioretention pond system, by simulating the structure and the function of a natural ecological system, pollutants in sewage can be effectively removed, and circulation of substances is promoted in the process.

The invention discloses a national park-oriented natural ecosystem integrity evaluation method and system, and relates to the technical field of ecological environment monitoring and evaluation, and the method comprises the steps: obtaining historical land utilization data and multi-source spatial data of a target region; according to the historical land utilization data and the multi-source spatial data, constructing a plurality of ecological evolution scenes of the target area; calculating a spatial distribution result of multiple ecological system services according to the ecological system spatial pattern data; determining a mutual relation between the two ecological system services according to the spatial distribution result; according to the method, the current state, the future evolution trend and the scene stability of the ecosystem service relationship can be comprehensively reflected; and technical support can be provided for ecological protection planning, partitioned management and control and long-term monitoring.

The invention discloses a cultivation method for rapidly constructing a coral model and volume in a matrix embedding mode. A material on which corals can grow is used as a base core, coral fragments are fixed on the surface of the base core by using environment-friendly biological glue, the distance between the coral fragments is 1-2cm, the coral fragments are arranged in a matrix mode, and then the coral fragments grow in seawater. By utilizing the epitaxial growth capability of the coral, a plurality of coral fragments can grow simultaneously, and the growth effect of the coral is accelerated; through rapid fusion growth of small fragments, the coral covering speed on the surface of the mold is increased; the use of parent coral resources is reduced, and the damage to a natural ecological system is reduced; a uniform illumination environment is provided to promote rapid and healthy growth of coral; the technology can be widely applied to the fields of artificial coral reef construction, ecological restoration, underwater landscape modeling and the like.

The invention discloses sterilization and disinfection equipment for domestic garbage incineration slag sewage treatment, which comprises a purification box, a purification cabin is mounted at the bottom in the purification box, one side of the purification cabin is connected with aeration equipment, the upper end of the purification cabin is rotatably connected with a rotating pipe, and the upper end of the rotating pipe is fixedly provided with a conical filtering cabin; and a rotating mechanism is installed on one side of the rotating pipe, the upper end of the conical filtering cabin is sleeved with a second conical filtering net, and the two sides of the second conical filtering net are connected with buffering mechanisms. Microorganisms are used for degrading organic pollutants, the self-purification capacity of a natural ecological system is fully exerted, the use of chemical agents is reduced, potential hazards to the environment are reduced, the environmental protection concept is met, in addition, through multi-stage treatment and comprehensive disinfection, the treated water can reach the emission standard and can be directly discharged or subsequently utilized, and the environmental protection requirement is met. Pollution to the environment is reduced, and sustainable utilization of water resources is facilitated.

The application discloses a sterilization and disinfection equipment for household garbage incineration slag sewage treatment, which comprises a purification box, a purification cabin is installed at the bottom of the purification box, an aeration equipment is connected to one side of the purification cabin, a rotating pipe is rotatably connected to the upper end of the purification cabin, a conical filter cabin is fixed to the upper end of the rotating pipe, a rotating mechanism is installed at one side of the rotating pipe, a second conical filter screen is sleeved at the upper end of the conical filter cabin, and buffer mechanisms are connected to the two sides of the second conical filter screen. The application utilizes microorganism to degrade organic pollutants, fully gives the self-purification ability of a natural ecological system, reduces the use of chemical agents, reduces potential harm to the environment, conforms to the environmental protection concept, and after multi-stage treatment and comprehensive disinfection, treated water can reach the discharge standard, can be directly discharged or used subsequently, reduces pollution to the environment, and is helpful to sustainable use of water resources.

The application discloses a sewage treatment device for natural ecosystem protection and belongs to the technical field of sewage treatment equipment. The sewage treatment device for natural ecosystem protection comprises a treatment box body, a mounting box body is fixedly installed at one end of the treatment box body, and a sewage discharge pipeline is fixedly installed at the end, away from the treatment box body, of the mounting box body. A sludge collection assembly is installed in the mounting box body. An adjusting assembly is fixedly arranged at one end of the sludge collection assembly. A sludge treatment assembly is installed on the sludge collection assembly. The sludge collection assembly and the sludge treatment assembly are designed to quickly strip off the sludge adhered to the inner wall of the treatment box body, realize the automatic and fine treatment of the sludge on the inner wall of the treatment box body, and make the mounting scraper and the arc-shaped scraping strip be capable of being inwardly retracted or outwardly expanded, so that the device has wider applicability.

The invention provides a natural ecosystem index measurement method and system based on function and benefit analysis, and relates to the technical field of natural ecosystem index measurement. According to the method, basic units are divided according to function types of forest, grassland, wetland and desert ecological systems, index threshold intervals of ecological, production and life functions are calculated respectively, equivalent discounting is performed through function conversion coefficients, and an index potential measurement result is output. According to the method, multifunctional coordination measurement is realized, and the defects of one-sided index setting and lack of systematicness and resource constraint connection in the existing method are overcome.

The present invention belongs to the field of global climate change and ecosystem response, and specifically relates to an in-situ stable heating method and heating device for flowing water in the wild natural sea area. A base steel frame is lowered to the seabed in the set wild natural sea area, and a heating group with multiple heating units is lowered onto the base steel frame and locked and fixed. The water body inside each heating unit is a flowing water body that is in real-time communication with the external water body. Inside each heating unit, the flowing water body with a fixed volume between the biological cultivation area and the heating area is heated by a heating source with a fixed power, and the rate of the heated hot water flowing out of the heating unit is constant, thereby realizing the in-situ constant temperature heating of the flowing water body between the biological cultivation area and the heating area inside each heating unit. The present invention can conduct systematic research on multiple factors and multiple organisms by simulating the temperature change of the in-situ natural ecosystem in the wild open sea area, and explore the response mechanism of the near-bottom benthic ecosystem to global warming.

The invention belongs to the technical field of natural ecosystem protection, and relates to a coastal bird habitat restoration and species diversity conservation method, which comprises the following steps of field investigation and operation division, habitat improvement and habitat restoration, facility supplementary construction and auxiliary brooding, wetland monitoring and food chain restoration. By implementing the technical scheme, the dilemma of habitat damage, poor livability, bird nesting difficulty, food source shortage and food chain breakage of the coastal degraded wetland can be effectively relieved, habitat improvement of the coastal wetland and rapid recovery of indigenous vegetation are achieved, and a habitat space which is rich in vegetation, sufficient in food source, stable in habitat and suitable for reproduction is provided for the wetland birds.

The invention belongs to the technical field of environmental biology, and particularly relates to an iron-reducing strain capable of degrading petroleum hydrocarbon and application of the iron-reducing strain. The strain is Citrobacter amalonaticus Z1 which takes petroleum hydrocarbon as an electron donor, and the Citrobacter amalonaticus Z1 is preserved in the China Center for Type Culture Collection on October 12, 2023, and the preservation number is CCTCC (China Center for Type Culture Collection) NO: M 20231863. The strain Z1 provided by the invention has a degradation effect on petroleum hydrocarbon in a ferric citrate culture medium under an anaerobic condition, particularly under the coexistence condition of sodium lactate as a substrate, sodium lactate and petroleum hydrocarbon can be jointly used as an electron donor and a carbon source, the strain has a better degradation effect on petroleum pollutants, and meanwhile, ferric iron is used as an electron acceptor, so that the degradation efficiency of petroleum pollutants is improved. And reducing the iron into ferrous iron. In anaerobic remediation of petroleum-contaminated soil or underground water, the remediation microbial inoculum constructed by using the iron-reducing bacteria has popularization and application feasibility, and especially has a wide application prospect in in-situ remediation of contaminated soil in a natural ecological system.