Species distributions

Species distributions

Ecologists are challenged to reconcile the historical biogeography of long-evolved native species with the emerging and rapidly expanding patterns of recently arrived non-indigenous species. In contrast to terrestrial species, freshwater fishes are uniquely...
Biotic homogenization

Biotic homogenization

Humans have dramatically enhanced the ability of species to overcome natural biogeographic barriers to movement either through intentional transport and other colonization routes created by anthropogenic activities. By dissolving physical barriers to movement and...