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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
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Microhabitat Utilization of Anuran Species in Shanghai Country Parks
Author of the article:HUANG Kai1, MU Zhiqiang1, YUE Qu1, YU Feng1, YUAN Xiao2, BO Shunqi2, WANG Zhenghuan1, 3
Author's Workplace:1 School of Life Sciences, East China Normal University, Shanghai 200062, China 2 Shanghai wildlife conservation management station, Shanghai 200023, China 3 Shanghai Key Laboratory of Urbanization and Ecological Restoration, East China Normal University, Shanghai 200241, China
Key Words:country parks; anurans; microhabitat; RDA; species conservation
Abstract:Amphibian is an important indicator to measure biodiversity and ecological quality of an urban ecosystem. Country parks are ones of the most important amphibian habitats in the urban ecosystem of Shanghai. Thus microhabitat utilization of the five anuran species was studied in six country parks. Line transect surveys of the abundance of each anuran species were conducted between May to September, 2015. Data of 15 microhabitat variables were collected in four evenly set 6 m × 3 m rectangular quadrats centered on the interface between water and land. The principal component analysis and redundancy analysis were used to investigate the microhabitat utilization of each anuran species, and the x2 good of fitness test was used to analyze overlaps of detecting different anuran species among line transects. The result showed that the dominance of the five anuran species from high to low are Fejervarya multistriata, Pelophylax plancyi, Bufo gargarizans, Microhyla fissipes, P.nigromaculata. We found that well managed water bodies with proper aquatic vegetation communities were pivotal to the survival and reproduction of all the five anuran species. Meanwhile, water body edges with gentle slope were important for anuran species moving between land and water. Compared with aquatic vegetation, the importance of land vegetation is secondary, though positively correlated with the distribution of P. nigromaculata and P. plancyi. Openness of water bodies had different influence on the distribution of the anuran species. Microhyla fissipes, a species typically distributed in small, clean, shallow waters, was the species with the smallest distribution in this study which is coincident with the fact that most water bodies in the six country parks are too open to them. We suggest that microhabitat of each anuran species should be thoroughly studied and integrated into the design of city parks to enhance their functions as suitable habitats for anuran species in heavily urbanized ecosystem.
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