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Autor:
Russell F. ThurowR.F. Thurow, A. Michelle Wargo RubA.M. Wargo Rub, Tony OlsenT. Olsen, Stephen L. KatzS.L. Katz, Daniel J. IsaakD.J. Isaak, Jean-Yves CourboisJ.-Y. Courbois, E. Ashley SteelE.A. Steel, Chris E. JordanC.E. Jordan
Publikováno v:
Canadian Journal of Fisheries and Aquatic Sciences. 65:1814-1830
Precise, unbiased estimates of population size are an essential tool for fisheries management. For a wide variety of salmonid fishes, redd counts from a sample of reaches are commonly used to monitor annual trends in abundance. Using a 9-year time se