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A method for judging wetland quality

A quality judgment and wetland technology, applied in the field of wetland quality judgment, can solve problems such as long cycle time and complex quality evaluation, and achieve the effect of ensuring rapidity, comprehensiveness and comprehensiveness, and reducing investigation and analysis work

Active Publication Date: 2021-10-01
RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to provide a wetland habitat quality assessment method, especially the judgment of wetland biodiversity in the middle and lower reaches of the Yangtze River, which solves the current problems of wetland biodiversity judgment and quality assessment, such as complex and long cycle

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  • A method for judging wetland quality
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  • A method for judging wetland quality

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Embodiment 1

[0050] (1) Scope of investigation: In the area surveyed using typical wetland ecosystems in China as data, there are 53 wetland ecosystems in total, such as figure 1 shown.

[0051] (2) Survey time: 2004, 2005, and 2016 in Hubei, Hunan, Jiangxi, and Jiangsu provinces, and 2004, 2005, and 2008-2016 in Anhui. We choose the survey values ​​from January to February, when the structure of the waterfowl community is relatively stable.

[0052] (3) Survey method: divisional direct number method, record all observed species and quantities through observation.

[0053] (4) Data preprocessing: The average value of the survey values ​​in 2004 and 2005 is used as the benchmark value. If there is only one survey value in 2004 / 2005, the survey value of that year is taken as the benchmark value. Exclude the lost birds Canada geese, bar-headed geese, red-breasted geese, black-faced spoonbills, and pochards. Classification of unidentified waterbirds into taxa. Species with survey values ​...

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Abstract

The invention belongs to the field of ecological protection and provides a method for judging wetland quality. This method uses the wetland quality wild bird index as the judgment standard; when the wetland quality wild bird index curve shows a downward trend, it indicates that the loss of wetland biodiversity is accelerating; when the wetland quality wild bird index curve remains horizontal, it indicates that the wetland biodiversity remains stable; When the quality wild bird index curve rises, the biodiversity status improves. This application solves the problem that the generalized linear model needs data of a long time series, and the model cannot provide good fitting data for data with many missing years. The wetland quality wild bird index solves the problems of rapid monitoring of wetlands, especially the complexity and lag of habitat quality assessment of wetlands in the middle and lower reaches of the Yangtze River, and provides a new direction for wetland habitat quality assessment.

Description

technical field [0001] The invention belongs to the field of ecological protection and relates to a method for judging wetland quality. Background technique [0002] Wetlands are one of the most biologically diverse ecosystems on Earth. It not only contains important rare species and is rich in animal and plant resources, but also plays an irreplaceable role in other ecosystems in terms of regulating runoff, purifying air, conserving water sources, and maintaining regional ecological balance. Wetland ecosystem health assessment and wetland protection have also received increasing attention. [0003] Diagnostic indicators of wetland ecosystem health mainly focus on chemical and biological indicators, including chemical composition of water, sediment and organic matter, species abundance, reproduction and growth, changes in population size, species composition and diversity, ecosystem biological volume and productivity. In recent years, physical indicators, pressure indicat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/26
CPCG06Q10/06393G06Q10/06395G06Q50/26
Inventor 曹垒李鸿滨张俊健柴一晟
Owner RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI