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Water area ecological health state detection method

A technology for ecological health and state detection, applied in the field of environmental pollution monitoring and evaluation, can solve problems such as incomplete description of ecosystem integrity, inconsistency, and water ecological prediction

Active Publication Date: 2017-12-29
CHINA UNIV OF GEOSCIENCES (WUHAN)
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Problems solved by technology

It can be seen from the above classification that the essence of s-IBI evaluation is to measure the health status of aquatic ecology from the perspective of a specific type of biological cluster. Although this is more comprehensive than the evaluation method using a single organism as a carrier, it is not completely Describing the integrity of the ecosystem, and the evaluation results of IBI of different taxa often show inconsistency, so the existing biological integrity index cannot actually be used as a standard for water ecological prediction

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  • Water area ecological health state detection method

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with embodiment.

[0026] The invention provides a water area ecological health state detection method, comprising the following steps:

[0027] (1) Use the checkerboard method to divide the surveyed waters into N areas, select n sites for each area, and the area of ​​each site is 3m×3m, collect soil and water samples in the site, and use plastic ziplock bags for soil samples For storage, the water samples were stored in small plastic square bottles with acid, and the community information of each site was recorded; according to the actual situation, zooplankton and aquatic plants could be selected to observe their community characteristics. The total nitrogen in the soil was measured by Kjeldahl nitrogen analyzer, the total phosphorus, total potassium and heavy metals were measured by ICP instrument; the total nitrogen in water samples was measured by ultraviolet spectrophotometry, and the total phosp...

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Abstract

The invention provides a water area ecological health state detection method. The method comprises the following steps: firstly, partitioning a water area to be explored, collecting soil and a water sample respectively, and recording community information; acquiring an environment forecast value by using the soil and the water sample, acquiring a biological diversity index by using the community information, calculating a water area ecological health state index in conjunction with the parameters above, and partitioning the water area to be explored according to the index lastly. By adopting the water area ecological health state detection method provided by the invention, water plants and zooplankton biocenosis in the water area are taken as one reference, meanwhile environment indexes of water and soil in the water area are analyzed in a combination way, the water area ecological health state is analyzed and forecasted by using clustering analysis and main component analysis, and the water and ecological health state can be embodied subjectively.

Description

technical field [0001] The invention relates to a method for detecting the ecological health state of water areas, and belongs to the technical field of environmental pollution monitoring and evaluation. Background technique [0002] According to the biological groups, it can be divided into fish biological integrity index (fish IBI, F-IBI), benthic biological integrity index (benthic IBI, B-IBI, mainly macroinvertebrate[1] ], plankton IBI (P-IBI), sessile algae biological integrity index (alga IBI, A-IBI, the research hotspot is diatom) and aquatic plants biological integrity index (aquatic plants IBI , AP-IBI), and some scholars even proposed microbial integrity index (microbe IBI, M-IBI). [0003] According to the number of taxa, it can be divided into single-group biological integrity index and multi-group biological integrity index. The current research and application mainly focus on the former. It can be seen from the above classification that the essence of s-IBI e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N31/00G01N21/73G01N21/33G01N33/24
CPCG01N21/33G01N21/73G01N31/002G01N33/24
Inventor 刘璇冯晨代棋帆
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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