[1]HAN Yu,ZHAO Wei,ZHANG Qixiang,et al.Effects of Different Vegetation Patterns on Ecological Restoration in Mining Wasteland[J].Research of Soil and Water Conservation,2018,25(01):120-125.
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Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
25
Number of periods:
2018 01
Page number:
120-125
Column:
Public date:
2018-02-28
- Title:
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Effects of Different Vegetation Patterns on Ecological Restoration in Mining Wasteland
- Author(s):
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HAN Yu1, ZHAO Wei2, ZHANG Qixiang3, WANG Qi1, SHI Nana1, XIAO Nengwen1, QUAN Zhanjun1
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1. Chinese Research Academy of Environmental Sciences, Beijing 100012, China;
2. Beijing Enterprises Holdings Maglev Technology Development Co., Ltd., Beijing 100124, China;
3. School of Environmental Science and Spatial Informatics, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
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- Keywords:
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vegetation restoration; mining wasteland; species diversity; soil property
- CLC:
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X171.4
- DOI:
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- Abstract:
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For the purpose of studying the effects of different vegetation restoration patterns on ecological restoration in mining wasteland, dumps of Chengmenshan copper mine was chosen as the study site so as to investigate and analyze plant community structure, soil nutrient and heavy metal contents under 7 different vegetation patterns, compared with the dumps before vegetation restoration and the undisturbed sites. The results showed that:(1) the richness index, diversity index and uniformity index of different vegetation modes showed the same trend; the community abundance and diversity of Robinia pseudoacacia-Abutilon theophrasti-Cynodon dactylon were higher, while these parameters were lower under Abutilon theophrasti-Cynodon dactylon and Robinia pseudoacacia-Sesbania cannabina than those under the other modes; (2) vegetation restoration could significantly improve soil nutrient status and decrease heavy metal contents; the soil available K and N increased by 2.5~7.7 times and 3.4~7.9 times, respectively, compared with the those before the restoration, but still did not reach up to the natural levels; the content of Cu remarkably decreased under Robinia pseudoacacia and Abutilon theophrasti, Robinia pseudoacacia and Sesbania cannabina could effectively remediate soil Pb pollution as well; (3) the comprehensive evaluation indicated that Robinia pseudoacacia-Sesbania cannabina-Abutilon theophrasti-Cynodon dactylon, Robinia pseudoacacia-Abutilon theophrasti-Sesbania cannabina and Robinia pseudoacacia-Cynodon dactylon-Abutilon theophrasti had better comprehensive improvement effects on ecological restoration, which can provide reference for similar mine wasteland.