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Forest and Grassland Resources Research >

2021 , Vol. 0 >Issue 1: 121 - 131

DOI: https://doi.org/10.13466/j.cnki.lyzygl.2021.01.016

Scientific Research

Analysis on Forest Vegetational Cover Changes in Yuxi and its Driving Force

  • Hongqin ZHU ,
  • Jingwen WANG ,
  • Yanhong XV ,
  • juncheng QI ,
  • Hang LUO ,
  • Zexi PENG
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  • 1. Southwest Forestry University,Kunming,Yunnan 650224,China
    2. Yuxi Forestry and Prairie Bureau,Yuxi,Yunnan 653100,China

Received date: 2020-12-14

  Revised date: 2021-01-04

  Online published: 2021-03-30

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Abstract

Forest covers can reflect the health of the forest ecosystem and space-time change is the basis for estimating the direction of the forest ecosystem development.This study attempts to analyze the change of time and space pattern of forest vegetational cover in Yuxi,Southwest China's Yunnan Province,from 2010 to 2019,and establish the regression model by single-factor and multi-regression analysis methods,respectively,to explore the drivers for the improvement and degradation of vegetational covers.The results show that the forest vegetational cover show a good trend and the factors and slope are not simple linear relationship.The study finds that the improvement rate of road and residential areas and forest vegetational cover are negatively related and positively related to the rate of degradation.Moreover,DEM,slope,large water body,public welfare forest management and forest cover improvement rate are positively correlated with the degradation rate and the slope direction is positively correlated with the improvement rate of stand vegetational covers,and the topographic fluctuation degree is negatively correlated with the degradation rate of stand vegetation cover.The driving forces for the improvement and degradation of forest vegetational covers are not the same and the influence mechanism is also different,which provides a scientific basis for better formulaing ecological protection policies.

Key words： MODIS EVI; vegetational cover; driving force; single factor analysis; multiple regression analysis

Cite this article

Hongqin ZHU , Jingwen WANG , Yanhong XV , juncheng QI , Hang LUO , Zexi PENG . Analysis on Forest Vegetational Cover Changes in Yuxi and its Driving Force[J]. Forest and Grassland Resources Research, 2021 , 0(1) : 121 -131 . DOI: 10.13466/j.cnki.lyzygl.2021.01.016

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