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Bats as the main prey of wintering long-eared owl(Asio otus)in Beijing:Integrating biodiversity protection and urban management

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Integrative Zoology 2015年第2期10卷 216-226页

作者： long TIAN Xuwei ZHOU Yang SHI Yumin GUO Weidong BAO Department of Zoology Beijing Forestry University College of Nature Conservation Beijing Forestry UniversityBeijingChina Beijing Wildlife Rescue and Rehabilitation Center BeijingChina

The loss of biodiversity from urbanized areas is a major environmental problem challenging policy-makers throughout the *** to this problem are urgently required in *** carried out a case study of wintering long-eared owls(Asio otus)and their main prey to illustrate the negative effects of urbanization combined with ineffective conservation of biodiversity in *** monitoring of owl numbers at two roosting sites from 2004 to 2012 showed that the owl population had fallen rapidly in metropolitan *** of pellet contents identified only seven individuals of two species of *** majority of mammalian prey comprised four bat and seven rodent species,making up 29.3%and 29.5%of the prey items,*** composition varied significantly among years at the two sample *** the urban site the consumption of bats and rodents declined gradually over time,while predation on birds *** contrast,at the suburban site the prey composition showed an overall decrease in the number of bats,a sharp increase and a subsequent decrease in bird prey,and the number of rodent prey fell to a low *** development of real estate and inadequate greenfield management in city parks resulted in negative effects on the bird and small mammal habitat of urban areas in *** suggest that measures to conserve biodiversity should be integrated into future urban planning to maintain China’s rich biodiversity while also achieving sustainable economic development.

关键词： biodiversity reduction city planning diet composition long-eared owl urbanization

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