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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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Habitat selection by three sympatric high-mountain Galliformes
Author of the article:XU Yu, WANG Bin, DOU Liang, et al.
Author's Workplace:Pingdingshan University, Guizhou Normal University, Sichuan University, Chinese Academy of Forestry
Key Words:Galliformes, habitat selection, season, conservation, sympatric
Abstract:Understanding habitat selection by sympatric species can provide insights into species coexistence, competition and niche partitioning, and also has important practical value for developing well-integrated species conservation policies. We studied habitat selection by three sympatric rare high-mountain Galliformes, Buff-throated Partridges (Tetraophasis szechenyii), White Eared-pheasants (Crossoptilon crossoptilon), and Blood Pheasants (Ithaginis cruentus) in Gexigou national nature reserve, Yajiang County, western China from April 2014 to January 2015. Along 17 established line-transects, we detected 65, 61 and 66 species occurrence evidences in spring, autumn and winter months, respectively. Jacobs’s index analysis with the Bonferroni simultaneous-confidence-interval approach revealed that: (1) In spring, Buff-throated Partridges preferred fir-larch forests with an obvious avoidance of oak thickets, while White Eared-pheasants avoided rhododendron or other miscellaneous shrubs and grasslands. Blood Pheasants used all five habitat types in proportion to availability; (2) In autumn, Blood Pheasants avoided rhododendron or other miscellaneous shrubs and grasslands, while Buff-throated Partridges and White Eared-pheasants did not show positive selection or obvious avoidance for any habitat types; (3) In winter, all the three species showed an active avoidance of rhododendron or other miscellaneous shrubs and grasslands. Additionally, White Eared-pheasants showed a preference for oak thickets. The results indicate interspecific and seasonal differences in habitat selection by the three species. For conservation management of the three species, and, potentially high-mountain Gallifomes throughout western China, we suggest managers to maintain a mosaic of habitats.
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