物种多样性地理格局的能量假说

王志恒, 唐志尧, 方精云

The species-energy hypothesis as a mechanism for species richness patterns

Zhiheng Wang, Zhiyao Tang, Jingyun Fang

图1 北美洲树木(A, 引自Currie & Paquin, 1987)以及全球鸟类(B, 引自Hawkins et al., 2003a)物种丰富度与实际蒸散量(AET)的关系。其中实际蒸散量反映了一个地区的净初级生产力; Nearctic, 新北区; Neotropical, 新热带区; Palearctic, 古北区; Afrotropics, 古热带区; Australia, 澳洲区。

Fig. 1 Relationships between species richness and actual evapotranspiration (AET) for North American trees (A, from Currie & Paquin, 1987) and global birds (B, from Hawkins et al., 2003a). AET is a surrogate of net primary productivity (NPP).