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BioScience tip sheet, March 2009
Date:3/1/2009

otentially reversing the harmful effects of desertification, which are a major threat to populations worldwide.


Nonindigenous Species of the Pacific Northwest: An Overlooked Risk to Endangered Salmon?
Beth L. Sanderson, Katie A. Barnas, and A. Michelle Wargo Rub.

Nonindigenous species, especially fish, plants, mollusks, and crustaceans, are present in large numbers in Washington, Oregon, and Idaho, especially around the Columbia River corridor and the Willamette River basin. Non-native fish prey on juvenile native salmon in large numbers and appear to represent a major source of mortality comparable to better-known threats, such as harvest, hatcheries, the hydrosystem, and habitat alteration. Yet funding for research into the effects of nonindigenous species on salmonids is a small fraction of that devoted to other threats.


It's Not Easy Being Green: Wind Energy and a Declining Grassland Bird.
Christin L. Pruett, Michael A. Patten, and Donald H. Wolfe.

The lesser prairie-chicken has suffered large population declines as prairies of the south-central United States have been lost. The development of wind-energy facilities throughout the species' prime habitat poses a further risk, since the birds avoid wind turbines and their associated power transmission lines. This behavior means the facilities form barriers that break essential connections between populations. The authors urge regulations to restrict wind-farm placement, without which the species and others like it are likely to disappear from the wild.


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Contact: Jennifer Williams
jwilliams@aibs.org
202-628-1500 x209
American Institute of Biological Sciences
Source:Eurekalert

Page: 1 2

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