Journal
JOURNAL OF FISH BIOLOGY
Volume 80, Issue 1, Pages 207-217Publisher
WILEY-BLACKWELL
DOI: 10.1111/j.1095-8649.2011.03151.x
Keywords
anadromous; conservation genetics; distinct population segment; migration; mtDNA
Categories
Funding
- U.S. Fish and Wildlife Service
- National Oceanic and Atmospheric Administration Office of Protected Resources
- Hudson River Foundation
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Although a previous genetic mixed-stock analysis (gMSA) conducted in the early 1990s showed that marine-captured New York Bight Atlantic sturgeon Acipenser oxyrinchus oxyrinchus almost exclusively originated from the Hudson River, fish from southern U.S. rivers were well represented within this contemporary sample (n = 364 fish), at least during the autumn. Widely distributed spawning stocks are therefore exposed to heavy fishing activity and habitat degradation in this relatively small area, illustrating the need for spatial management across multiple management jurisdictions and routine gMSA to account for temporal change.
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