|
|
Article: Study results from M. Koryak and colleagues broaden understanding of freshwater research.
- Article from:
- Ecology, Environment & Conservation
- Article date:
- October 16, 2009
CopyrightCOPYRIGHT 2009 NewsRX. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
|
According to recent research from the United States, "Fish were collected from typical channel habitat within five pools of the Allegheny River navigation system in 2007-2008 by benthic trawling in the river channel and shoreline boat night electrofishing. Trawling collected 5,914 fishes of 32 taxa; electrofishing collected 3,418 individuals of 55 taxa."
"Numerous species of fish associated with great river assemblages and once extirpated from the waters of Pennsylvania were well represented, as were some species which until recently were considered to be threatened, endangered, or candidate species in Pennsylvania. The biomass of the navigation system is now ...