Urban inland river ecosystem health assessment method based on weights

An ecosystem and health assessment technology, applied in the fields of environmental pollution monitoring and environmental protection, can solve problems such as high tolerance, sensitive response to living environment changes, and short survival time

Active Publication Date: 2018-12-21
HOHAI UNIV
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Problems solved by technology

In addition, compared with individual microorganisms, the above indicator organisms have a longer growth cycle and higher tolerance, and slight changes in the living environment have little effect on the population abundance of these indicator organisms, while microorganisms have a shorter survival time and faster growth rate, so they are different from Compared with fish, algae and macrobenthos, etc., they are more sensitive to changes in the living environment

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  • Urban inland river ecosystem health assessment method based on weights
  • Urban inland river ecosystem health assessment method based on weights
  • Urban inland river ecosystem health assessment method based on weights

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Embodiment Construction

[0092] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0093] The invention integrates the principal component weighting method, the entropy weight method and the biological integrity index method to evaluate the urban inland river with microorganisms as the research object, and carries out the evaluation process with the urban inland river in Shanghai—Huangpu River as the research object.

[0094] Bacteria-based biological integrity index (bacteria index of biotic integrity), hereinafter referred to as Ba-IBI.

[0095] Firstly, sampling points were set along the Huangpu River basin, and 28 sampling points were evenly set along the main stream of the Huangpu River until the mouth of the Yangtze River. Water samples and biofilm samples were collected at each sampling point. Water samples of the overlyi...

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Abstract

The invention discloses an urban inland river ecosystem health evaluation method based on weights, comprising the following steps: (1) distinguishing a reference point and a damaged point; (2) establishing a candidate microbial parameter index database; (3) screening core microbial parameters and parameter assignment; (4) calculating the microbial integrity index and dividing it into evaluation grades; (5) testing the reliability of microbial integrity index. The invention integrates the principal component weighting method, the entropy weight method and the biological integrity index method to evaluate the urban inland river with the microorganism as the research object, which has strong sensitivity and can reflect the health status of the urban inland river ecosystem quickly, sensitively, accurately and comprehensively and objectively.

Description

technical field [0001] The invention relates to the technical fields of environmental pollution monitoring and environmental protection, in particular to a method for evaluating the health of urban inland river ecosystems based on Ba-IBI. Background technique [0002] The construction and development of ecological cities are inseparable from water resources. Residents must have sufficient water security for their lives, and industrial production must have sufficient water resources. A beautiful urban environment is inseparable from a clean and good water ecosystem. Climate, dilution of sewage, drainage of stormwater, and landscaping play an important role. The urban inland river is the key link in the construction of an ecological city. However, with the development of the economy and the improvement of people's living standards, the water quality of urban inland rivers has deteriorated, the shape and structure have been destroyed, the hydrological conditions have changed, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/26
CPCG06Q10/0639G06Q50/26Y02A20/152
Inventor 牛丽华高琳李轶张文龙杨楠
Owner HOHAI UNIV
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