基于取食行为探究北京居民区鸟类的食源特征及多样性
殷鲁秦, 王成, 韩文静

Food source characteristics and diversity of birds based on feeding behavior in residential areas of Beijing
Luqin Yin, Cheng Wang, Wenjing Han
图1 研究点位置分布图
Fig. 1 Distribution of study sites