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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
Address:College of Life Sciences, Sichuan University, No.29, Wangjiang Road, Chengdu, Sichuan Province, 610064, China
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Your Position :Home->Past Journals Catalog->2017 Vol.36 No.5

The Assessment on Woodland Network Based on Functional Connectivity of Bird's Biological Characteristics:A Case Study in Ningxiang County, Changsha
Author of the article:CHEN Tao*, QIN Shini, CHEN Yuehua
Author's Workplace:Institute of Landscape Architecture, Central South University of Forestry and Technology, Changsha 410004, China
Key Words:urban ecological pattern; functional connectivity; resistance surface; Ningxiang county
Abstract:The habitat fragmentation of current urban ecological structure and the disturbance on native species are increasingly severe along with urban development. Therefore, it is obviously significant to analyze and integrate the urban ecological network by testing the functional connectivity of special species which can provide theoretical basis for the solution to the fragmentation of landscape space type and enrichment of landscape space heterogeneity, as well as technical guidance and reference basis for the optimization of landscape space pattern. Moreover, these can also contribute to the understanding of current regional ecological status, and thus have vital practical significance in further development and guidance of urban construction while protecting the whole landscape ecology. Sturnus cineraceus is the indicator species in urban area, the functional connectivity of which was studied in the central urban area of Ningxiang county, Changsha city. Connectivity indices such as integral index of connectivity and probability of connectivity were used to analyze the functional connectivity. Specifically, 11 and 15 forest patches were selected as the patches of core woodland and patches of important woodland, respectively, while 11 and 16 links were selected as core flight corridors and important flight corridors, respectively. Subsequently, the minimum cumulative resistance model was utilized to analyze the links between the woodland area and the selected patches, and the woodland patches and flight corridors that disadvantageous to the ecological diffusion process of the S. cineraceus were identified. Patch 31 in the core woodland showed intermediate disturbance against the influence of surrounding land cover type and its own area, and patch 43 was intermediately disturbed by the human residential areas. Corridors 50-42 and 28-3 among the core flight corridors were under the state of intermediate obstruction, which should be optimized in the future urban ecological pattern planning.
2017,36(5): 489-497 收稿日期:2016-11-14
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