12 results about "Natural ecosystem" patented technology

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 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 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 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 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.