土地复垦矿区的景观生态质量变化
为揭示土地复垦对矿区景观生态状况的影响,以徐州市贾汪矿区为例,运用 RS、GIS 和景观生态学方法,从生态系统稳定与干扰程度2个方面构建景观生态质量评价模型,并分析评价了该区的景观生态质量及变化.研究结果表明:2001-2010年间,贾汪矿区景观生态质量发生了明显变化,总体呈变好的趋势.2001年和2010年景观生态质量达到稳定和较稳定的面积分别为49994.86和56160.31 hm2,2010年比2001年增加了6164.45 hm2;从总体变化看,变好和略微变好的地区约占28.23%,主要分布在破坏较少的山区和煤矿复垦区,表明土地复垦工程对矿区生态环境起到了一定的改善作用.变差和略微变...
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Published in | 农业工程学报 Vol. 29; no. 1; pp. 232 - 239 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
中国矿业大学国土环境与灾害监测国家测绘地理信息局重点实验室,徐州 221116%中国矿业大学环境与测绘学院,徐州 221116%中国矿业大学低碳能源研究院,徐州 221008
2013
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Subjects | |
Online Access | Get full text |
ISSN | 1002-6819 |
DOI | 10.3969/j.issn.1002-6819.2013.01.031 |
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Summary: | 为揭示土地复垦对矿区景观生态状况的影响,以徐州市贾汪矿区为例,运用 RS、GIS 和景观生态学方法,从生态系统稳定与干扰程度2个方面构建景观生态质量评价模型,并分析评价了该区的景观生态质量及变化.研究结果表明:2001-2010年间,贾汪矿区景观生态质量发生了明显变化,总体呈变好的趋势.2001年和2010年景观生态质量达到稳定和较稳定的面积分别为49994.86和56160.31 hm2,2010年比2001年增加了6164.45 hm2;从总体变化看,变好和略微变好的地区约占28.23%,主要分布在破坏较少的山区和煤矿复垦区,表明土地复垦工程对矿区生态环境起到了一定的改善作用.变差和略微变差的地区约占19.44%,表明部分地区生态环境质量仍在下降,主要由于城镇化的快速发展,煤炭开采的继续,环境保护措施不及时以及复垦地区的二次塌陷、治理标准低等原因.因此,需加大对生态脆弱区的环境保护,完善矿区复垦技术规程,制定生态修复策略,从而实现矿区土地的可持续发展. |
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Bibliography: | 11-2047/S Xu Jiaxing, Li Gang, Chen Guoliang, Zhao Hua, Qu Junfeng (1. Key Laboratory for Land Environment and Disaster Monitoring of National Administration of Surveying Mapping and Geoinformation, China University of Mining and Technology, Xuzhou 221116, China; 2. School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China; 3. Low Carbon Energy Institute, China University of Mining and Technology, Xuzhou 221008, China) land use, land reclamation, mines, landscape ecology, Jiawang mining area With the rapid exploitation of coal resources, a series of ecological and environmental problems, such as surface subsidence, stagnant water, and soil pollution, etc., became increasingly serious. How to strengthen ecological environment protection by reasonable and efficient ways becomes one of the key issues of the sustainable development of mining area. The projects of land reclamation and ecological restoration are the correct and effective measure for improvin |
ISSN: | 1002-6819 |
DOI: | 10.3969/j.issn.1002-6819.2013.01.031 |