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Lake-specific variation in growth, migration timing and survival of juvenile sockeye salmon Oncorhynchus nerka: separating environmental from genetic influences

Dates

Year
2010

Citation

Reed, T. E., Martinek, G., and Quinn, T. P., 2010, Lake-specific variation in growth, migration timing and survival of juvenile sockeye salmon Oncorhynchus nerka: separating environmental from genetic influences: Journal of fish biology, v. 77, no. 3, p. 692-705.

Summary

Time series on juvenile life-history traits obtained from sockeye salmon Oncorhynchus nerka were analysed to assess lake-specific environmental influences on juvenile migration timing, size and survival of fish from a common gene pool. Every year for the past two decades, O. nerka have been spawned at a hatchery facility, and the progeny released into two lakes that differ in average summer temperatures, limnological attributes and growth opportunities. Juveniles reared in the warmer, more productive Crosswind Lake were larger and heavier as smolts compared to those from the cooler, less productive Summit Lake and had higher in-lake and subsequent marine survival. Crosswind Lake smolts migrated from the lake to sea slightly earlier [...]

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  • Northwest Boreal Landscape Conservation Cooperative

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Reference Item
NWBLCC20160627

Additional Information

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Type Scheme Key
DOI http://sciencebase.gov/vocab/identifierScheme 10.1111/j.1095-8649.2010.02711.x
ISSN http://sciencebase.gov/vocab/identifierScheme 00221112

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