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Measuring Landscape Connectivity in a Urban Area for Biological Conservation
作者: Yu, Deyong ; Liu, Yupeng ; Xun, Bin ; Shao, HongBo(邵宏波)
刊名: CLEAN-Soil Air Water
ISSN号: 1863-0650
出版日期: 2015-04
卷号: 43, 期号:4, 页码:605-613
关键词: Conservation ; Graph theory ; Network ; Sustainable development ; Urbanization
学科分类: Environmental Sciences; Marine & Freshwater Biology; Water Resources
DOI: 10.1002/clen.201200448
产权排序: [Yu, Deyong; Liu, Yupeng; Xun, Bin] Beijing Normal Univ, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China; [Yu, Deyong; Shao, Hongbo] Chinese Acad Sci, Key Lab Coastal Environm Proc, Yantai Inst Coastal Zone Res YIC,YICCAS, Shandong Prov Key Lab Coastal Zone Environm Proc, Yantai, Peoples R China
通讯作者: Yu, DY (reprint author), Beijing Normal Univ, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China.
作者部门: 海岸带生物学与生物资源利用所重点实验室
中文摘要: Biodiversity conservation in urbanized area is an increasing challenge worldwide. A quantitative tool is needed to provide a spatially explicit representation of habitat mosaics and thus afford insight into the ecological consequences of landscape changes. We developed a method for identifying core habitats and generating a cost surface that was used to identify both the permeability of the landscape matrix and the quality of core habitats and then we developed a least-cost model to delimit the links between pairs of core habitats. We defined a graph-theoretic dispersal flow index to measure the dispersal potential of certain ecological processes, i.e. functional connectivity. A network consisting of core habitats and links was assembled in the rapid urbanized Shenzhen City of China. The results showed that the cell-based least-cost distance calculation between the core habitats can avoid the subjectivity of land cover-based approaches that rely on expert experience. A highly connected network can facilitate DF and reduce the ecological risk of extinction due to habitat fragmentation. For saving construction cost in the urban environment, urban planner can efficiently design ecological corridors along the least-cost paths to connect isolated core habitats and promote appropriate animal behaviors. The methodology described here will be useful in making better conservation decisions and predictions regarding the consequences of human activity and thereby promote sustainable development.
研究领域[WOS]: National Natural Science Foundation of China [41171404] ; National Basic Research Program of China (973 Program) [2012CB955402] ; Fundamental Research Fund for the Central Universities ; State Key Laboratory of Earth Surface Processes and Resources Ecology ; CAS/SAFEA
项目资助者: Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
文章类型: 期刊论文
收录类别: SCI
语种: 英语
WOS记录号: WOS:000353384600019
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内容类型: 期刊论文
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Recommended Citation:
Yu, Deyong,Liu, Yupeng,Xun, Bin,et al. Measuring Landscape Connectivity in a Urban Area for Biological Conservation[J]. CLEAN-Soil Air Water,2015,43(4):605-613.
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