Abstract: This study on microhabitat selection of Tibetan fox (Vulpes ferrilata) was conducted in July 1999 at Shiqu , Sichuan Province of China. It set 10 factors in 97 sample spots and collected them every 10 days , the Vanderloeg Scavia's index was chosen as the discrimination index for the microhabitat selection of Tibetan fox to analyse the factors. The results shown that fox prefer to select those habitats , in which , the base diameter of shrub is between 50 cm and 100 cm and the height range is between 30 cm and 50 cm. Furthermore , the slope range is between 20^o and 30^o and the relative altitude range is between 100 m and 200 m. Our researches demonstrated that , for Tibetan fox , the main threat comes from human activity. The local people should pay more care on fox and protect the shrubs in it's habitat.

Key words: Tibetan fox (Vulpes ferrilata), Northwest plateau of Sichuan, Microhabitat selection

关键词: 藏狐, 四川西北高原, 微生境选择