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Method for comprehensively evaluating ecosystem service of artificial wetland

A technology of constructed wetlands and ecosystems, applied in data processing applications, instruments, calculations, etc., can solve problems such as limited applicability, few studies on ecosystem services, and no comprehensive evaluation method for constructed wetlands ecosystem services. The selection of indicators is scientific, the evaluation results are accurate, and the evaluation results are intuitive

Inactive Publication Date: 2010-12-15
INST OF AQUATIC LIFE ACAD SINICA
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Problems solved by technology

[0004] The purification effect and mechanism of constructed wetlands have been studied in depth at home and abroad, but there are relatively few studies on their ecosystem services, and a comprehensive evaluation method for constructed wetland ecosystem services has not yet been established
At present, the evaluation of the value of general ecosystem services is mostly based on the evaluation of economic value, which has many limitations.
Especially for artificially constructed ecosystems such as artificial wetlands, the applicability is not great

Method used

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  • Method for comprehensively evaluating ecosystem service of artificial wetland
  • Method for comprehensively evaluating ecosystem service of artificial wetland
  • Method for comprehensively evaluating ecosystem service of artificial wetland

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Embodiment 1

[0047] A method for comprehensive evaluation of constructed wetland ecosystem services, the steps are: (Constructed wetland in Beijing Olympic Forest Park is used as an example to analyze.) (The following only have A, B, C, D, F, missing E, G, For the description of H, please write the descriptions of E, G, and H. The drawings must be explained at the end, not in the middle. figure 2 There is no label in the Chinese characters, please write the label, and describe it in detail according to the label. The label involves the content of steps A, B, C, D, E, F, G, and H, and it will be placed in this step for details. explanation, please add further explanation)

[0048] A. Comprehensive evaluation index system of constructed wetland ecosystem services:

[0049] Combined with the characteristics of AHP and constructed wetland ecosystem services, it is proposed to establish a comprehensive evaluation index system for constructed wetland ecosystem services consisting of target lay...

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Abstract

The invention discloses a method for comprehensively evaluating an ecosystem service of an artificial wetland. The method comprises the following steps of: A, establishing a target, evaluation criteria and an evaluation index of each criterion; B, establishing a scoring questionnaire of a step analysis judgment matrix for the comprehensive evaluation of the ecosystem service of the artificial wetland to form a criterion layer and an index layer; C, calculating a relative importance weight of the criterion layer relative to a target layer and a relative importance weight of the index layer relative to the criterion layer; D, calculating importance weights of a lowest layer and a highest layer and inspecting a calculation result; E, tracking and monitoring the characteristic of each index of the index layer and evaluating an original numerical value of each index; and F, multiplying the importance weight of general ranking in the step D by the fuzzy membership of the index obtained by the step E to obtain the comprehensive evaluation index situation of the ecosystem service of the artificial wetland. The method can conveniently, deeply and fully analyze all values of the ecosystem service of the artificial wetland. Guidance and basis are provided for design, optimization, construction, operation and management.

Description

technical field [0001] The invention belongs to the technical field of comprehensive evaluation of ecosystem services of constructed wetlands, and more specifically relates to a method for comprehensive evaluation of ecosystem services of constructed wetlands, which is applicable to the comprehensive evaluation of ecosystem services of most constructed wetlands. Background technique [0002] Humans have always depended on ecosystems for benefits such as clean water, food, suitable climate, fertile soil, nutrient cycling, and waste disposal. In the past, they have had many different definitions, but more recently they have been called "Ecosystem Services (ES)" and have gained worldwide attention. Access to these ecosystem services has also been taken for granted because they are often free, despite their vital role and significant economic value to humans. In fact, as the world's population explodes, ecosystem services are being degraded, and ecosystems have even collapsed i...

Claims

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Application Information

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IPC IPC(8): G06Q90/00
Inventor 贺锋董金凯吴振斌
Owner INST OF AQUATIC LIFE ACAD SINICA
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