甘肃境内国家重点保护兽类的分布规律

对甘肃省境内国家重点保护兽类的分布规律进行了分析，结果表明：陇南山地、祁连山地和河西走廊是国家重点保护兽类的集中分布区；陇南山地属动物地理成分的过渡带，东洋界占50．0％，古北界占35．0％，广布种占15.0％，以森林灌丛动物为主：祁连山地的兽类均为古北界成分，以森林灌丛动物为主；河西走廊兽类均为古北界成分，以荒漠、高山裸岩动物群为主。

Analysis of the Distribution Law about National Protected Mammals in Gansu Province

The distribution law of national protected mammals in Gansu Province was analyzed. The results show that the Longnan and Qilianshan mountainous areas as well as the Hexi corridor are the concentrated distribution zone of national protected mammals. In Longnan mountainous area, there are 20 species of national protected mammals, among which 10 species are oriental-realm species (accounting for 50.0%), 7 species are palaearctic-realm species (35.0%) and 3 species are wide spread species (15.0%), and the forest-brush animals are primary in this area. In Qilianshan mountainous area, national protected mammals are all palaearctic-realm species and the forest-brush animals are dominating in this area. In Hexi corridor, the national protected mammals are all palaearctic-realm species, and the desert and peak rock animals are leading in this area.