Katherine A Rowel’s scientific contributions

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Publications (1)


Combinations of aerial surveys and weights (lambdas) used to examine the'sensitivity of ASA model results. each combination, the scaling coefficients (thetas) were adjusted so that each sum of squares componen had approximately equal influence on the combined sum of squares before weighting.
Age­-structured assessment of the Togiak herring stock, 1978-­1992, and preliminary forecast of abundance for 1993. Alaska Department of Fish and Game, Division of Commercial Fisheries. Regional Information Report 5J92-­11. Alaska Department of Fish and Game, Juneau, Alaska.
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December 1992

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25 Reads

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6 Citations

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Linda K Brannian

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Katherine A Rowel

An age-structured model is used to assess the abundance of herring spawning at Togiak, Alaska, forecast the abundance for 1993, and recommend harvest levels for the commercial fishery.

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Citations (1)


... Perception used here refers to a belief in the accuracy of information. Where harvest can be sufficiently sampled for age structure and auxiliary information is available, catch-age analysis (Deriso et al. 1985;Funk et al. 1992) can be a useful analytical tool for modeling the interaction of the fish stock with a recreational fishery. We use this tool with the humpback whitefish (Coregonus pidschian) population in the Chatanika River, Alaska, which is subject to a recreational spear fishery. ...

Reference:

Using perceptions of data accuracy and empirical weighting of information: Assessment of a recreational fish population
Age­-structured assessment of the Togiak herring stock, 1978-­1992, and preliminary forecast of abundance for 1993. Alaska Department of Fish and Game, Division of Commercial Fisheries. Regional Information Report 5J92-­11. Alaska Department of Fish and Game, Juneau, Alaska.