云南省2021年森林覆盖率大幅下降原因分析

Analysis on the Causes of Yunnan Province Forest Cover Decline in 2021

2021年云南省国土三调后森林覆盖率为55.25%,比国土三调前2020年下降9.79%,引起社会各界高度关注。文章从国土面积、调查方法、计算方法、自然灾害、大面积采伐、人为操纵及统计口径等7个方面分析,分析结果为森林面积统计口径不同是导致云南省2021年森林覆盖率大幅下降的最主要原因。

In 2021,the Forest cover of Yunnan Province will be 55.25%after the three national land transfers,9.79%lower than that of 2020 before the three national land transfers,which has aroused great concern from all walks of life.This paper analyzes the land area,survey methods,calculation methods,natural disasters,large-scale logging,human manipulation and statistical caliber from seven aspects.The analysis results show that the different statistical caliber of forest area is the main reason for the sharp decline of Forest cover in Yunnan Province in 2021.