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Ecological red line delimiting method for protecting animals

An animal, red thread technology, applied in the field of ecology, can solve difficult scientific and quantitative problems

Active Publication Date: 2017-01-04
NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
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Problems solved by technology

[0004] In view of the above analysis, the present invention aims to provide a method for delimiting the ecological red line for animal protection, so as to solve the problem that existing methods are difficult to scientifically and quantitatively delineate the ecological red line for animal protection on a large scale

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  • Ecological red line delimiting method for protecting animals
  • Ecological red line delimiting method for protecting animals
  • Ecological red line delimiting method for protecting animals

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Embodiment Construction

[0028] Preferred embodiments of the present invention will be specifically described below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and are used together with the embodiments of the present invention to explain the principle of the present invention.

[0029] A specific embodiment of the present invention discloses a method for demarcating the ecological red line for protecting animals. Taking the national key protected terrestrial vertebrates as an example, it specifically includes the following steps:

[0030] Step 1. Obtain the distribution data of protected animals and establish a species distribution database of protected animals. The animal species in the database can come from: national primary and secondary key protected species, endangered animal species in the IUCN Red List, animal species in CITES Appendix I, etc.

[0031] The national key protected terrestrial vertebrate species distributi...

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Abstract

The invention relates to an ecological red line delimiting method for protecting animals. The method includes the steps that a national priority protection animal species distribution database is built; environmental variables corresponding to distribution points and background points of national priority protection animal species are extracted; all the priority protection animal species are modeled respectively through a random forest model, and habitat suitability indexes of the priority protection animal species are predicted; the habitat suitability indexes of all the priority protection animal species are iteratively calculated, and habitat suitability composite indexes are obtained; based on the habitat suitability composite indexes, a local space cluster of high values of the habitat suitability composite indexes is determined through values of local Moran's I indexes and the Z statistical quantity, and a high-value clustering region is recognized; ecological red lines of the priority protection animal species are delimited.

Description

technical field [0001] The invention relates to the field of ecology, in particular to a random forest model-based ecological red line demarcation method for animal protection. Background technique [0002] Biodiversity resources are the material basis for maintaining national ecological security and strategic resources for achieving sustainable economic and social development. China is rich in biodiversity and plays a vital role in global biodiversity conservation. The ecological red line is a key ecological protection area with important strategic significance for maintaining national and regional ecological security and sustainable social and economic development. The delineation of the ecological red line can maintain the minimum area for the survival of key species, ecosystems and germplasm resources, and effectively protect biodiversity. The objects defined by the ecological red line mainly include key animals and their habitats, key plants and their habitats, key ec...

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Application Information

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IPC IPC(8): G06F17/18
CPCG06F17/18
Inventor 高吉喜周可新李欣海金宇
Owner NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
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