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Detection of Passive Integrated Transponder (PIT) tags on piscivorous bird colonies in the Columbia River Basin, 2001
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2003
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Description:In 2001, the National Marine Fisheries Service detected the passive integrated transponder (PIT) tags of 45,065 juvenile salmonids on piscivorous bird colonies in the Columbia River Basin. These PIT tags accounted for 4.1% of the 1,099,291 PIT-tagged juvenile salmonids released into the Columbia River Basin to migrate during 2001. By species, they accounted for 8.7, 4.8, 3.4, and 2.6% of the PIT-tagged steelhead Oncorhynchus mykiss, coho O. kisutch, chinook O. tshawytscha, and sockeye salmon O. nerka respectively.
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Rights Information:Public Domain
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Compliance:Library
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