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Article: New conservation biology findings from Colorado State University published.
- Article from:
- Ecology, Environment & Conservation
- Article date:
- August 21, 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)
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"Conservation biologists often face the trade-off that increasing connectivity in fragmented landscapes to reduce extinction risk of native species can foster invasion by non-native species that enter via the corridors created, which can then increase extinction risk. This dilemma is acute for stream fishes, especially native salmonids, because their populations are frequently relegated to fragments of headwater habitat threatened by invasion from downstream by 3 cosmopolitan non-native salmonids," scientists writing in the journal Conservation Biology report.
"Managers often block these upstream invasions with movement barriers, but isolation of native salmonids ...
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