Status Analysis and Restoration Suggestions of Degraded Forest in Three-North Engineering Area of Inner Mongolia

doi:10.13466/j.cnki.lyzygl.2022.01.021

Abstract

Abstract:

In order to accurately grasp the distribution of degraded forest land in the Three-North Shelterbelt Project area of Inner Mongolia,promote the construction of the Three-North Shelterbelt Project,and continuously improve the quality of forest resources and the ecological environment in the Three-North Shelterbelt Project area of Inner Mongolia,Forestry and Grassland Bureau of Inner Mongolia Autonomous Region organized the survey of degraded forest land in the Three-North Shelterbelt Project area in 2021. The results showed that the area of degraded forest in the Three-North Project area was 3019432.30 hectares,of which 16.86% and 83.14% were degraded forest and degraded shrub land. The main reasons for forest degradation were physiology,site,disaster and human activities. The area of forest degradation caused by physiology and disaster accounted for 45.81% and 38.13% respectively. Mildly degraded,moderately degraded,and severely degraded areas accounted for 0.88%,64.86% and34.26 %,respectively. The degraded forests were mainly distributed in the western part of Inner Mongolia,and further measures such as renewal,restoration,tending,enclosure and habitat restoration should be taken to restore the degraded forests so as to maintain the achievements of regional ecological construction.

Key words: degraded forest, distribution, reasons for degradation, degree of degradation, characteristics, restoration suggestions

CLC Number:

X171.4

DUAN He, ZHANG Jianbo, ZHANG Zhongwang. Status Analysis and Restoration Suggestions of Degraded Forest in Three-North Engineering Area of Inner Mongolia[J]. FOREST RESOURCES WANAGEMENT, 2022, (1): 174-179.

Figures/Tables 6

Fig.1

Fig.2

Fig.3

Fig.4

Fig.5

Tab.1

修复类型	修复方式
一、更新修复	1.皆伐更新
	2.渐伐更新
	3.林冠下造林更新
二、补造修复	4.单株择伐
	5.群状择伐
	6.补植补播
三、抚育修复	7.间伐
	8.补植补播
	9.促进复壮
四、封育修复	10.封禁
	11.封补
	12.封调
五、生境修复	13.隔株更新
	14.半带更新
	15.带外更新
	16.隔带更新
	17.断带更新
六、综合修复	(可能包括以上任何一种修复方式)

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