小兴安岭通河林区斑羚冬季食性分析

2004年1～3月在小兴安岭通河林区，使用粪便显微组织学分析方法并结合野外食痕调查，对斑羚（Naemorhedus goral）的冬季食性进行了分析研究。结果表明，斑羚冬季主要以枯草、落叶和当年生枝条为食，共取食20属，22种植物。通过频率转换分析发现，莎草科的羊胡子苔草（Carex callitrichos）和杜鹃花科的兴安杜鹃（Rhododendron dauricum）是其冬季的大宗食物，占食物的百分比分别为31．72％和18．14％。此外，斑羚冬季对苔藓、杨柳科和木犀科植物的取食频次也较高，其百分比分别为7．30％、6．87％和5．25％．

Winter Food-habits of Goral in Tonghe Region of Lesser Xingan Moutains

We studied winter food-habits of Goral (Naemorhedus goral) by combining field survey of feeding sites and microhistological analysis of feces from January to March, 2004 in Tonghe Region of Lesser Xingan Moutains.Results showed that: hay,defoliate leaves and branch of current year were the main food components of gorals.Total of 22 plant species belonging to 20 genus were foraged during winter.By checking the frequency for each plant,we found that Carex callitrichos and Rhododendron dauricum were the main food items in winter,accounting for 31.72% and 18.14% respectively.In addition,gorals fed on Brachthecium albicans, plants of Salicaceae and Oleaceae in a quite high frequency, accounting for 7.30%,6.87% and 5.25% in the winter food respectively.