Relation of eastern Bering Sea walleye pollock (Theragra chalcogramma) recruitment to environmental and oceanographic variables
T.J. Quinn II, and H.J. Niebauer
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Description
The authors brought together newly developed fisheries and oceanographic time series from the eastern Bering Sea to understand changes in the abundance of commercially important walleye pollock. They related eastern Bering Sea recruitment of 2-year-olds with time series of anomalies of air temperatures, ice cover, sea-surface temperature, and bottom temperature. They found that anomalous Bering Sea air temperatures, ice cover, and bottom temperatures lagged by one year the anomalies in recruitment of 2-year-olds, indicating that environmental variables are related to pollock during its early life history. High pollock recruitment coincides with above-normal air and bottom temperatures and reduced ice cover. Climate Change and Northern Fish Populations, R.J. Beamish, ed., Canadian Special Publication of Fisheries and Aquatic Sciences 121:497-507, 1995.
Item details
- Item number: RP-95-10
- Year: 1995
- Pages: 11
