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Aquatic ecological evaluation method based on functional diversity of zoobenthos and application therefor

A benthic animal and evaluation method technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as the inability to meet water ecosystem health evaluation, and achieve the effect of wide application and simple operation

Inactive Publication Date: 2017-10-24
JINAN UNIVERSITY
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Problems solved by technology

[0006] The technical problem to be solved in the present invention is to provide a water ecological evaluation method based on the functional diversity of benthic animals in view of the technical defects that the existing physical and chemical index monitoring and evaluation methods of water bodies cannot meet the health evaluation of water ecosystems

Method used

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  • Aquatic ecological evaluation method based on functional diversity of zoobenthos and application therefor
  • Aquatic ecological evaluation method based on functional diversity of zoobenthos and application therefor
  • Aquatic ecological evaluation method based on functional diversity of zoobenthos and application therefor

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Embodiment 1

[0042] Example 1 Evaluation of the functional diversity of benthic animals in the Liuxi River ecosystem in Guangzhou

[0043] According to the method of the present invention, the Liuxi River ecosystem in Guangzhou is selected to evaluate the diversity of benthic animals.

[0044] The water ecology evaluation method based on functional diversity of benthic animals described in the present invention, method step sees figure 1 shown. The system construction process and health evaluation criteria are as follows:

[0045] S1. Determine the reference site and the sampling site, and collect the benthos at the reference site and the sampling site respectively;

[0046] According to the geographical location, habitat diversity, land use type, embankment stability, river bank vegetation coverage and other reference indicators of each section of the Liuxi River, a total of 14 sampling sites were set up, and 7 main stream sections: S3, S4, S7, S8, S11, S12, S14; 7 tributary sections: ...

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Abstract

The present invention discloses an aquatic ecological evaluation method based on functional diversity of zoobenthos and an application therefor. According to the method, five candidate indicator types are determined: species richness, species composition, bio-tolerance, nutrition structure and niche quality, so as to reflect influence of environmental changes on functional diversity of zoobenthos; through distribution range analysis, discriminating ability analysis and correlation analysis, key core biomarkers are screened out from the provided candidate indicators; the core biomarkers are scored by a ratio method, and scores of the biomarkers are added together, so as to a final score of evaluation of the functional diversity of zoobenthos and complete scientific evaluation. The evaluation system provided by the present invention makes up the shortcoming that the conventional physical and chemical indicators of water body can only reflect the instantaneous water quality condition, and can show long-term cumulative effects of human disturbance on the habitat destruction and predict the pest effect under stress of multiple pollution.

Description

technical field [0001] The invention relates to the technical research field of freshwater ecosystem health and risk assessment, and more specifically, to a water ecological assessment method based on functional diversity of benthic animals and its application. Background technique [0002] With the increasing impact of human activities on the ecosystem, affected by a series of external disturbances such as water pollution, river channel reconstruction, land reclamation, water network, and comprehensive management, inland water bodies such as natural streams, rivers, and lakes have become rare. Freshwater-like ecosystems are in a state of long-term degradation, and their health is declining year by year. With the reduction of biodiversity in freshwater ecosystems, the material circulation network of the entire system has been broken, and it is in a "sub-healthy" or "sick" state, resulting in a decrease in the ecological value of water bodies and exacerbating the global water...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00
CPCG06F2219/10G16Z99/00
Inventor 杨扬王赛刘帅磊王林唐金鹏
Owner JINAN UNIVERSITY
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