动物种类和数量在不同的山地或同一山地的不同垂直高度有很大的差异,正因如此,国际上和国内的研究者们一直在努力探讨动物在山地的分布规律和产生差异的原因（Merriametal.,1890;鲍毅新等,1984;Heaney,2001;Rickart,2001;Sánchez-C...动物种类和数量在不同的山地或同一山地的不同垂直高度有很大的差异,正因如此,国际上和国内的研究者们一直在努力探讨动物在山地的分布规律和产生差异的原因（Merriametal.,1890;鲍毅新等,1984;Heaney,2001;Rickart,2001;Sánchez-Cordero,2001;张云智等,2002;李义明等,2003;马俊等,2010）。横断山是中国最长、最宽和最典型的南北向山系,位于青藏高原东南部,通常为四川、云南两省西部和西藏自治区东部南北向山脉的总称。横断山是全球25个生物多样性热点地区之一，其生物多样性资源极其丰富（My-ers et al．，2000）。展开更多
Two surveys of the diversity of large and medium sized mammal species of the Haizishan Nature Reserve,Sichuan Province,China were conducted in 2003-2004.Thirty-four mammal species and 475 trails or individuals were do...Two surveys of the diversity of large and medium sized mammal species of the Haizishan Nature Reserve,Sichuan Province,China were conducted in 2003-2004.Thirty-four mammal species and 475 trails or individuals were documented along 70 routes.Mammals were most abundant in alpine shrub habitat.At higher elevations,we noted a trend toward a gradually increasing proportion of Palearctic mammal species and a decreasing proportion of Oriental mammal species;this change occured between 3 800-4 400 m.Between 4 400-4 700 m,62% of the mammal fauna is of Palearctic origin;above 4 700 m the fauna is exclusively Palearctic.Among the 34 mammal species,the Wapti,Serow,Goral and Blue sheep have the broadest elevational ranges and are widely distributed in the area.During these surveys,the Roan musk deer was found to be the most common species in the area.展开更多
文摘动物种类和数量在不同的山地或同一山地的不同垂直高度有很大的差异,正因如此,国际上和国内的研究者们一直在努力探讨动物在山地的分布规律和产生差异的原因（Merriametal.,1890;鲍毅新等,1984;Heaney,2001;Rickart,2001;Sánchez-Cordero,2001;张云智等,2002;李义明等,2003;马俊等,2010）。横断山是中国最长、最宽和最典型的南北向山系,位于青藏高原东南部,通常为四川、云南两省西部和西藏自治区东部南北向山脉的总称。横断山是全球25个生物多样性热点地区之一，其生物多样性资源极其丰富（My-ers et al．，2000）。
文摘Two surveys of the diversity of large and medium sized mammal species of the Haizishan Nature Reserve,Sichuan Province,China were conducted in 2003-2004.Thirty-four mammal species and 475 trails or individuals were documented along 70 routes.Mammals were most abundant in alpine shrub habitat.At higher elevations,we noted a trend toward a gradually increasing proportion of Palearctic mammal species and a decreasing proportion of Oriental mammal species;this change occured between 3 800-4 400 m.Between 4 400-4 700 m,62% of the mammal fauna is of Palearctic origin;above 4 700 m the fauna is exclusively Palearctic.Among the 34 mammal species,the Wapti,Serow,Goral and Blue sheep have the broadest elevational ranges and are widely distributed in the area.During these surveys,the Roan musk deer was found to be the most common species in the area.
