Arid
DOI10.1016/j.ecoleng.2016.06.051
Vegetation coverage change and stability in large open-pit coal mine dumps in China during 1990-2015
Liu, Xiaoyang1; Zhou, Wei1,2; Bai, Zhongke1,2
通讯作者Zhou, Wei
来源期刊ECOLOGICAL ENGINEERING
ISSN0925-8574
EISSN1872-6992
出版年2016
卷号95页码:447-451
英文摘要

Ecosystem reconstruction via vegetation restoration is key to comprehensive renewal of the fragile ecological environment of an open-pit mine dump. To investigate vegetation coverage change and stability after mine dump land reclamation, three dumps in the Antaibao open-pit coal mine, northern Shanxi province, China, were used. This region has a typical temperate arid to semi-arid continental monsoon climate. Vegetation coverage was calculated from 11 Landsat remote images taken 1990-2015. Methods included calculation of the Normalized Difference Vegetation Index (NDVI), decomposition of mixed pixels, calculation of variation trends, and a transition matrix. The results show that vegetation coverage in the dumps increased dramatically from 1990 to 2015 (with NDVI rising from -0.02 to 0.02 in 1990 to 0.24 to 0.31 in 2015). The change in NDVI was classified mainly as significantly improved, to mostly moderately high coverage, by 2015. Water is a restrictive factor that greatly influenced the growth and development of vegetation. There was greater vegetation coverage and rate of improvement in coverage at higher elevations, and less coverage on steep slopes. Stability analysis of vegetation coverage succession and its recovery after a fire indicate that post-reclamation vegetation coverage in the dumps is relatively stable. (C) 2016 Elsevier B.V. All rights reserved.


英文关键词Open-pit coal mine Land reclamation Dump Vegetation coverage
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000385371400051
WOS关键词SOIL SEED BANK ; DYNAMICS ; VARIABILITY ; LANDSCAPE ; RECOVERY ; FOREST ; SLOPE ; INDEX
WOS类目Ecology ; Engineering, Environmental ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology ; Engineering
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/192386
作者单位1.China Univ Geosci, Sch Land Sci & Technol, 29 Xue Yuan Rd, Beijing 100083, Peoples R China;
2.Minist Land & Resources, Key Lab Land Consolidat & Rehabil, Beijing 100035, Peoples R China
推荐引用方式
GB/T 7714
Liu, Xiaoyang,Zhou, Wei,Bai, Zhongke. Vegetation coverage change and stability in large open-pit coal mine dumps in China during 1990-2015[J],2016,95:447-451.
APA Liu, Xiaoyang,Zhou, Wei,&Bai, Zhongke.(2016).Vegetation coverage change and stability in large open-pit coal mine dumps in China during 1990-2015.ECOLOGICAL ENGINEERING,95,447-451.
MLA Liu, Xiaoyang,et al."Vegetation coverage change and stability in large open-pit coal mine dumps in China during 1990-2015".ECOLOGICAL ENGINEERING 95(2016):447-451.
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