Latest Stephen Hubbell Stories
Ecologists are still arguing about the nature of the factors that determine the species composition of ecological communities.
A projected wave of extinctions of plant and animal species this century may have been overestimated because the most widely used scientific method can exaggerate losses by more than 160 percent.
The most widely used methods for calculating species extinction rates are "fundamentally flawed" and overestimate extinction rates by as much as 160 percent.
Unspoken rules of existence in tropical rain forests mean no one species will take up too much space and squeeze others out, says new research conducted in part at the University of Alberta that shows how ecological communities regulate themselves.
- In medieval musical notation, a sign or neume denoting a shake or trill.