Aquatic Ecosystems Threatened by the Size of Non-Native Fish

[Staff]

Aquatic Ecosystems Threatened by the Size of Non-Native Fish
ScienceDaily
Mar. 27, 2010

Aquatic ecosystems threatened by the size of non-native fish
excerpt from above:

Since the Neolithic era, human beings have been transporting and introducing new species. This practice has accelerated over the past 150 years along with the development of transportation methods and international trade. The phenomenon extends to freshwater fish, several hundred species of which have been introduced throughout the world, either unintentionally or for food or recreation purposes.

By cross-referencing data on the fish present in 1,050 river basins around the world, researchers...