Method for evaluating influence of man-made interference on biological diversity of forest ecosystem

A biodiversity and ecosystem technology, applied in the field of assessing the impact of human disturbance on the biodiversity of forest ecosystems, can solve the problems of lack of quantitative evaluation methods, deforestation, land reclamation, forest closure, afforestation, etc.

Inactive Publication Date: 2022-02-11
YUNNAN ACAD OF FORESTRY
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Problems solved by technology

[0002] The impact of human disturbance on forest ecosystems is very common, such as deforestation, land reclamation, afforestation, afforestation, planning and construction of various artificial projects in the forest, etc. Human disturbance has both positive and negative effects on the biodiversity of forest ecosystems. impact, but this impact lacks a relatively general quantitative evaluation method, for this reason, the present invention provides a method for assessing the impact of human disturbance on forest ecosystem biodiversity

Method used

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  • Method for evaluating influence of man-made interference on biological diversity of forest ecosystem
  • Method for evaluating influence of man-made interference on biological diversity of forest ecosystem
  • Method for evaluating influence of man-made interference on biological diversity of forest ecosystem

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Embodiment approach

[0065] As an embodiment of the present invention, the landscape pattern impact index J is based on the changes in landscape patch types and areas before and after the human disturbance project, and its calculation method is:

[0066]

[0067] In the formula

[0068] J------Landscape pattern impact index (-100≤J≤100);

[0069] E. i ------The ecological succession progress of the i-type landscape patch before planning (the starting time period used in the assessment, such as 2020);

[0070] E. j ------The ecological succession progress of the j-type landscape patch after planning (the end time period used in the assessment, such as 2025);

[0071] S i ------The area transformed from the i-type landscape patch before planning to the j-type landscape patch after planning;

[0072] S------total area of ​​evaluation area;

[0073] Table 2 Assignment indicators of ecosystem succession progress

[0074]

[0075]

[0076] *The community succession stage is based on the ...

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Abstract

The invention belongs to the field of ecological systems, and particularly relates to a method for evaluating the influence of human interference on the biological diversity of a forest ecological system. The method comprises the following steps: S1, measuring the quantitative data of a landscape pattern influence index J, an alien species invasion index I, a species specificity index U and a substance energy flow influence index F; s2, substituting the data obtained in the step S1 into Bi = J * 0.5 + F * 0.3 + I * 0.05 + U * 0.15, and determining the influence condition of artificial interference on project development according to the value of Bi; the invention provides a method for evaluating the influence of man-made interference on the biological diversity of a forest ecosystem, and aims to solve the problem that the influence of man-made interference on the forest ecosystem is very common, such as forest destroying and waste making, mountain closing and forest raising, afforestation, planning and construction of various artificial projects in a forest and the like. The problem that human interference has positive and negative influence on the biodiversity of a forest ecosystem, but the influence lacks a general quantitative evaluation method is solved.

Description

technical field [0001] The invention belongs to the field of ecosystems, in particular to a method for assessing the impact of man-made disturbance on the biological diversity of forest ecosystems. Background technique [0002] The impact of human disturbance on forest ecosystems is very common, such as deforestation, land reclamation, afforestation, afforestation, planning and construction of various artificial projects in the forest, etc. Human disturbance has both positive and negative effects on the biodiversity of forest ecosystems. impact, but this impact lacks a relatively general quantitative evaluation method. Therefore, the present invention provides a method for evaluating the impact of human disturbance on forest ecosystem biodiversity. Contents of the invention [0003] In order to make up for the deficiencies of existing technologies, it is very common to solve the impact of human disturbance on forest ecosystems, such as deforestation, land reclamation, affo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/26
CPCG06Q10/06393G06Q50/26
Inventor 陈剑杨文忠张珊珊
Owner YUNNAN ACAD OF FORESTRY
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