*Global sampling of 48 sites on five continents yields unprecedented data set*
For decades, ecologists have toiled to nail down principles explaining why some habitats have many more plant and animal species than others.
Much of this debate is focused on the idea that the number of species is determined by the productivity of the habitat.
Shouldn’t a patch of prairie contain a different number of species than an arid steppe or an alpine tundra? (more…)