Habitat Utilization of Common Crane (Grus grus) during Winter in Lashi Lake,Yunnan Province

The habitat utilization of common crane Grus grus was investigated from February to March 2006 in Lashi Lake Nature Reserve of Lijiag City,Yunnan Province.The habitat selected by common crane showed that all kinds of habitats could be used during wintering time.Faintness synthetic method was used for the evaluation of the bird habitats.The results showed that habitats were used by different purpose.The habitat factors were analyzed,and the influencing factors of habitat selection were food(39.211% of contributing ratio),hiding(20.426%),disturbance(18.358%),water source(16.967%),respectively.Wheat land and pea land were especially fit for common crane to subsist in winter.The results of evaluation also showed that these two kinds of habitats were priority,and the weed land and grass wetland were inferior.