32 results about "Ecological indicator" patented technology

A method for evaluating ecological restoration of a city watercourse is characterized by comprising the following steps that (A) a city watercourse ecological restoration evaluating system is established to be of a three-level evaluation system structure, the ecological restoration evaluating system serves as a large system, a second-level index serves as a rule layer is divided into three sub-systems of watercourse water quality condition, ecological system health and ecological landscape suitable degree, and third-level indexes represent a plurality of specific indexes and can directly reflect the total situation of each sub-system; (B) an evaluation step is executed: (B1) the watercourse to be evaluated is determined, and a sampling station is designed according to the length of the watercourse; (B2) sample acquisition and analysis are performed including (B21) physical and chemical indexes of water quality, (B22) ecological index (B23) ecological landscape suitable degree index; (B3) evaluation results are analyzed; (B4) the ecological health situation of the watercourse is judged. The method has the important significance on scientific evaluation on the ecological treatment effect of the watercourse and consolidation of ecological treatment results of the watercourse and is suitable for application in evaluation on the ecological restoration of the city watercourse.

The invention discloses a real-time diagnosis and self-repairing method for watercourse health in a variable environment. The real-time diagnosis and self-repairing method includes the following steps: acquiring indicator data reflecting the watercourse health from a constructed monitoring system, and feeding the indicator data back to a database, wherein the indicator data include hydrological indicators, water quality indicators and water ecological indicators; by a master control device, reading and identifying the indicator data from the database, determining whether to send out an alarm or not according to an identification result, and starting up a corresponding self-repairing system. Compared with the prior art, the real-time diagnosis and self-repairing method integrating multipletechniques, such as environmental monitor, simulation and repair, has the advantages of systematicness, immediacy, effectiveness and the like. The real-time diagnosis and self-repairing method can immediately respond to an ever-changing hydrological, water quality and water ecological environment, perform real-time diagnosis and early warning on the watercourse health, identify sudden pollution and automatically repair water environment changes, thereby having high advancement, practicality and wide applicability.

The invention relates to an ecological index efficiency evaluation method based on network analysis. The method comprises the steps that a, according to the objective level and the content of a system to be evaluated, a to-be-evaluated ecological index system with a level structure is constructed; b, through literature research and expert consultation, a theoretical perfect standard ecological index system level network is constructed, and the index weight is calculated; c, a relevance network between the operation layers of two index systems is constructed; d, according to the relevance network, the index weight of the to-be-evaluated index system is calculated; and e, the coverage degree and the characterization degree of the to-be-evaluated index system are calculated. According to the invention, the science connection in the to-be-evaluated index system is explicated from the three aspects of the relevance, the coverage degree and the characterization degree; the application efficiency of an operation index is improved; the method can be applied to the efficiency evaluation of an index system related to ecological construction, such as the evaluation of an ecological province construction index system and other problems; and the method can be applied to the efficiency evaluation of other similar complex index systems, such as regional society, economic index evaluation and the like.

The invention provides a water and soil conservation ecological service function evaluation method. The method comprises the steps of: obtaining basic ecological indexes related to the water and soilconservation measure ecological service function of a drainage basin, and assigning a weight to each basic ecological index; and scoring the value of each basic ecological index, wherein the basic ecological indexes comprise indexes related to sediment loss, indexes related to runoff regulation and control in rainy seasons and indexes related to runoff regulation and control in dry seasons, and optionally comprise indexes related to forest product provision. The method is particularly suitable for evaluating the water and soil conservation measure ecological service function of the southern red soil hilly area small watershed, and therefore the current situation of the water and soil conservation measure ecological service function of the small watershed can be evaluated according to actual basic ecological indexes.

The invention relates to an analytical method of ecological effect influence of domestic-garbage-leachate-contaminated soil, comprising the following steps: 1. adjusting moisture contents of a contaminated soil sample and an uncontaminated soil sample to be 60% of field moisture capacity and culturing at the temperature of 20-30 DEG C; 2. selecting microbial activity indexes (respiratory intensity and soil enzymatic activity(catalase, amylase, urease and invertase)) and biotoxicity indexes (protozoon fatality rate) as ecological effect indexes of a soil sample; 3. comparing according to the difference of ecological indicators of the contaminated soil sample and the uncontaminated soil sample and analyzing the contaminated degree of the soil by the domestic garbage leachate. Indexes monitoring referred in the analytical method disclosed by the invention is convenient to operate and is easy to carry out, and can be a supplement for chemical index monitoring.

The invention relates to the technical field of environment monitoring, and discloses an ancient tree ecological index monitoring system, which comprises growth environment, human activity, growth condition and soil detection, specifically scores the growth environment, human activity, growth condition and soil detection results, and finally reflects the growth trend of the ancient tree in a score form. Through comprehensive monitoring of the growth environment, human activities, growth conditions and soil detection, growth of the ancient trees is effectively monitored in all aspects, growth of the ancient trees is fully guaranteed, detection equipment is mainly used for specifically detecting the surrounding conditions of the ancient trees, and the purposes that the data of the detection equipment corresponds to a score table accurately, the score is obtained are achieved, and a relatively clear score condition is formed, so that a relatively clear growth condition of the ancient tree is provided for common people, and the common people can conveniently recognize.

The invention discloses a new river health evaluation method. The method comprises the following steps: step 1, screening ecological indexes for evaluating river health according to the characteristics of a river and the change of a cascade barrage to the river; 2, carrying out continuous and long-term monitoring on the screened river indexes; 3, calculating an index based on the collected data, and defining the change condition of the deviation index of the index after the index is compared with the natural river; 4, dividing index grades according to the characteristics of the deviation degree indexes; and 5, comprehensively evaluating the influence condition of the river health of the cascade barrage. Through positive and negative deviation index analysis, the influence degree of damming on the river can be reflected, the health condition of each damming area river reach can be evaluated, more accurate research is provided for the health condition of the whole river, and therefore suggestions are provided for river management.

The invention discloses a lake suitable ecological water level determination method based on a paleo-marsh method, and belongs to the technical field of environmental protection. The method comprises the following steps: firstly, collecting a sediment columnar sample in a lake area with less man-made interference, and performing equidistant slicing and layering on the sediment columnar sample for pretreatment; secondly, determining the age of each sample layer by using 210Pb and 137Cs dating technologies; then, identifying and calculating the variety and quantity of sporopollen of each sample layer to represent aquatic plant information of an ecological system in a time sequence, collecting and measuring corresponding hydro meteorology and physical and chemical indexes, and constructing an environmental factor data set; and finally, establishing a generalized additive model according to the key environmental factors suggested by the classification regression tree model, quantifying the response relationship between the environmental factors and the sporopollen concentration, and determining a suitable lake ecological water level. According to the method, the problem that stable long-time sequence biological data is difficult to obtain in an existing design is effectively solved, and a quantitative method for exploring the response relation between water level fluctuation and local ecological indexes is provided.

The invention discloses a river ecosystem health monitoring and evaluation method and system, and the method comprises the following steps: collecting river ecological indexes according to preset time, and constructing an ecological index matrix; constructing a river health evaluation module based on a river biological environment adaptability curve; constructing a pressure-state-response model; and calculating a river ecosystem health value through a river health evaluation module and a pressure-state-response model based on the ecological index matrix. According to the technical scheme, the problems that the current collection workload is large, and collection is difficult in some regions can be solved. Through the intelligent acquisition system and method, the acquisition workload can be greatly reduced, and the acquisition, monitoring and evaluation efficiency can be improved.

The invention discloses an ecological environment quality evaluation method based on water ecological benefits, and relates to the technical field of ecological environment quality evaluation, and the method comprises the steps: S1, constructing ecological indexes through the structure and function of an ecological environment; and step S2, multi-index fusion based on entropy. According to the method, the characteristics of the ecological environment in the aspects of structure and function are fully utilized, reasonable ecological indexes are constructed, and particularly, the WBEI can describe the complexity of the ecological environment more accurately through construction and addition of water ecological elements. According to the method, the concept of information entropy is introduced, the interaction relation between the ecological environment and the ecological indexes is clearly revealed, the index weight obtained through the fusion method based on the information entropy is obtained through image information amount calculation, compared with a traditional fusion method, the method is more objective, and interference of subjective factors of people can be avoided.

The invention provides a remote sensing ecological environment quality evaluation method and device, and electronic equipment, and relates to the technical field of ecological environment evaluation,and the method comprises the steps: obtaining a remote sensing parameter set of each pixel in a to-be-evaluated region; determining a remote sensing ecological environment quality index of each pixelbased on the remote sensing parameter set; and performing remote sensing ecological environment quality evaluation on the to-be-evaluated region based on the remote sensing ecological environment quality index of each pixel in the to-be-evaluated region. According to the method, the remote sensing parameter set used when remote sensing ecological environment quality evaluation is carried out on the to-be-evaluated region comprises multiple remote sensing parameters, multiple ecological indexes are covered, data is more comprehensive, the ecological environment quality evaluation accuracy is higher, the technical problem of poor evaluation accuracy of a remote sensing ecological environment quality evaluation method in the prior art is effectively relieved.

The invention provides a reservoir optimization scheduling decision-making method and device for aquatic community system stability, and the method comprises the steps: 1, determining a research scene, collecting basic data and historical scheduling data of a reservoir group system, and hydrological data and biomass data of a downstream station, and determining an impact factor and a decision variable of a reservoir scheduling behavior; 2, considering interaction among multiple populations, and constructing a random multi-population dynamic model; 3, calculating hydrological variation degree, describing disturbance of hydrological variation on the aquatic community through noise intensity, establishing a'flow-ecology 'relationship, and analyzing the stability of the aquatic community system under the influence of the hydrological variation; 4, identifying the resilience and the resistance of the multi-population system by adopting two ecological indexes, namely steady-state time ST and a variable coefficient CVST at the steady-state time; and 5, comprehensively considering reservoir water supply and power generation targets and ST and CVST ecological targets, optimizing a reservoir operation curve, and obtaining a reservoir optimization scheduling decision.

The invention discloses a three-quadrant water ecological management coupling method and application thereof, and the method comprises the following steps: S1, constructing a three-water management data collecting water environment index data, water resource index data and water ecological index data, and constructing the three-water management database; s2, a quantitative analysis model: coupling the quantitative analysis model by using the water environment data index, the water resource data index and the water ecological data index; s3, determining a reference system, wherein the reference system comprises a water environment quality management reference system, a water resource management reference system and a water ecology management reference system; and S4, constructing a three-quadrant water ecological management model. According to the invention, a'three-water 'water ecological quadrant management strategy in water environment management is realized, and the problem that the current water environment only has water quality management and cannot meet the high-level management requirements of'fish with grass and harmony of people and fish' is solved.

The invention discloses a customization method of a filtering component, a filtering module, a matching method, equipment and a medium. The customization method comprises the following steps: acquiring index data of ecological indexes; collecting spectral data of the carriers of the ecological indexes; determining a matching wave band according to the index data and the spectral data; determining a matching bandwidth according to the matching wave band; and customizing the filtering component according to the matching wave band and the matching bandwidth. According to the invention, different filtering components can be customized according to different observation purposes, especially in the observation field of ecological remote sensing, different filtering components can be customized according to different ecological indexes, when different filtering components are customized, two kinds of data of wave band and bandwidth are considered at the same time, and the pertinence and the accuracy of the ecological remote sensing observation equipment are improved.