Key Data Results and Trend Analysis of the Sixth National Survey on Desertification and Sandification
Received date: 2023-01-04
Revised date: 2023-01-07
Online published: 2023-05-05
The Sixth National Survey on Desertification and Sandification was based on the results of the Third National Land Survey,using 2019 as the benchmark year.The results showed a comprehensive status of desertification and sandification in China.This paper presented a brief overview of this survey,the status and dynamic changes of desertification and sandification in China,conducted a comprehensive analysis of the current situation,and proposed some suggestions for combating desertification and sandification.The survey results showed that,until 2019,the desertification land area in China was 257.371 3 million hm2 and the sandification land area was 168.782 3 million hm2.Compared with 2014,the desertification area of China decreased by 3.788 0 million hm2 with an average annual decrease of 757.6 thousand hm2.The sandification area of China decreased by 3.335 2 million hm2 with an average annual net reduction of 667 thousand hm2.
Key words: desertification; sandification; status; dynamic changes
Guosheng ZAN , Cuiping WANG , Feng LI , Zheng LIU , Tao SUN . Key Data Results and Trend Analysis of the Sixth National Survey on Desertification and Sandification[J]. Forest and Grassland Resources Research, 2023 , 0(1) : 1 -7 . DOI: 10.13466/j.cnki.lyzygl.2023.01.001
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