Sturgeon haven't spawned in this river since 1843 – but may make a return. How?
The goal is to restore a wild, self-sustaining lake sturgeon population in the urban river that runs up the northeast side of ...
Center for Biological Diversity6 年
The Gila chub occupies only about 10 to 15 percent of its historical range.
So in the late 1800s, when beavers were extirpated from much of the basin, the Gila chub was hurt too. Now, with added pressure from nonnative fish and bullfrog predation, habitat destruction, and ...