牛背梁自然保护区血雉种群数量与分布

摘要

2009年1月～2010年12月,采用路线调查与访问调查相结合的方法,对牛背梁保护区血雉种群数量与分布情况进行了调查。调查结果显示,血雉仅分布于牛背梁保护区境内秦岭主脊以南海拔1 725～2 615m的地带,而以光头山、小甘沟、牛背梁与花门楼地区海拔2 115～2 387m的分布最为集中。血雉在区内的分布面积为41.7km2。根据调查数据计算,牛背梁保护区境内血雉的间接数量为1 902只,在整个保护区内的平均分布密度为11.288只/km2。%During January 2009 to December 2010,in Niubeiliang nature reserve in Qinling Mountain Ranges of Shaanxi, the distribution and population size of blood pheasant（Ithaginis cruentus sinensis David）was surveyed using the belt method and interview method. In Niubeiliang areas the total population size of blood pheasant was estimated at 1 902 individuals, and the total population density of it was 11. 288/km^2. It were distributed in the forest between 1 725 and 2 615 m elevfition,they were mainly distributed between 2 115 and 2 387 m and only on the southern slope of Qinling Mountain, such as Guangtoushan, Xiaogangou, Niubeiliang and Huamenlou etc. The distribution areas were 41.7 km^2.