青海三江源国家级自然保护区麦秀分区鸟类多样性空间格局及热点区域研究

梁健超, 丁志锋, 张春兰, 胡慧建, 朵海瑞, 唐虹

Bird diversity spatial distribution patterns and hotspots in Maixiu Area of Sanjiangyuan National Nature Reserve, Qinghai Province

Jianchao Liang,Zhifeng Ding,Chunlan Zhang,Huijian Hu,Hairui Duo,Hong Tang

表3 不同海拔梯度鸟类群落多样性

Table 3 Bird diversity indexes at different altitudes

海拔梯度 Altitude gradient 面积 Area (km2) 物种丰富度 Species richness 密度 Density (species/km2) Shannon-Wiener多样性指数 Shannon-Wiener diversity index (H') 均匀度指数 Evenness index (Jsw) < 3,200 m 40.0 51 1.275 3.193 0.812 3,200-3,400 m 109.0 50 0.458 3.251 0.831 3,400-3,600 m 438.8 39 0.088 2.295 0.626 3,600-3,800 m 1,067.0 36 0.034 1.947 0.543 3,800-4,000 m 450.3 15 0.033 2.117 0.782 4,000-4,200 m 298.5 10 0.033 1.464 0.636 > 4,200 m 280.4 8 0.028 0.982 0.472