Abstract:

Based on the results of comprehensive verification of plantation in Northwest monitoring area in 2018,this paper makes a statistical analysis of the results of the investigation on the preservation and afforestation rate of plantation in northwest arid area from 2008 to 2012,and summarizes the main characteristics of the preservation and afforestation rate of plantation in Northwest arid area.The main factors affecting the preservation and afforestation of plantation in the region were analyzed from the aspects of natural disasters such as drought,suitable afforestation land,growth status of young trees,follow-up management and stand structure.Suggestions were put forward to improve the central investment standard,strengthen the follow-up management of afforestation,scientifically and rationally arrange afforestation,take correspording vegetation restoration measures according to different corditions.

Key words: arid areas in Northwest China, artificial afforestation, comprehensive verification, preservation rate, afforestation rate