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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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Your Position :Home->Past Journals Catalog->2015 Vol.34 No.4

Preliminary Investigation of Pseudohynobius puxiongensis in Sichuan Province
Author of the article:AI Yongbin, YUAN Siqi, CHEN Yunmei, XU Liangyan, PENG Weihua, LUO Jian, ZHANG Chaohua, LUO Wei, ZENG
Author's Workplace:1. Administrative Office of Shenguozhuang Panda Nature Reserve, Yuexi, Sichuan Province 616650, China;
2. Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
Key Words:Pseudohynobius puxiongensis; habitat; population size; reproduction; development
Abstract:Pseudohynobius puxiongensis, which was described as new species based on a single specimen collected in 1965, is the relic species distributed in narrow region of Taliang Mountains (Hengduan Mountains), and this species is the only five-toed hynobiid salamander in the alpine regions. From 2007 to 2014, the adult, juvenile, larva, and egg sacs of P. puxiongensis were discovered, and three habitats were detected with the help of local people. Although the field investigation area was 60 km2 and the latent distribution area was over 400 000 m2, the actual living area of salamander was only 3425 m2. The three habitats were 2770-3000 m asl. and located in the Yi community and pastoral areas. The habitats were consisted of highland brooks, puddles and mountain streams. Such small streams and puddles were typically mixed alpine meadows and thickets. A necessary condition for P. puxiongensis was covered with dense bush-woods, bamboo and azalea to prevent direct sunlight, since these provided a moderate level of humidity. In 2014, 20 adults, 157 larvae and 16 pairs of egg sacs were found in these areas. Population size and density of salamander were significantly varied among the three habitats. These habitats were subjected to different levels of human disturbance and livestock interference. By contrasting with the hynobiids, the wild population size of P. puxiongensis was exceedingly rare.
2015,34(4): 565-569 收稿日期:2014-11-20
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