贺兰山甲虫物种丰富度分布格局及其环境解释
杨贵军,王敏,杨益春,李欣芸,王新谱

Distribution patterns and environmental interpretation of beetle species richness in Helan Mountain of northern China
Yang Guijun,Wang Min,Yang Yichun,Li Xinyun,Wang Xinpu
图4 贺兰山甲虫属、科的区系分化在东西方向变化
Fig. 4 The shift of fauna differentiation of the genus and the family of beetles from west to east in Helan Mountain