Size at maturity of Kodiak area female red king crab
D. Pengilly, S.F. Blau, and J.E. Blackburn
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Size at maturity for female red king crabs in the Alaska Department of Fish and Game Kodiak Management Area, Alaska, was estimated using data collected by pot surveys during 1972-1986. Based on a sample of 186,468f emales, the size at which 50% are mature ("size at 50% maturity," SM50) for the Kodiak Management Area was estimated as 101.9 mm carapace length. The estimated female SM50 for the Kodiak Management Area is among the largest of those estimated for red king crab stocks in Alaska. Estimates of SM50 were also computed for samples representing individual management districts for each year, for all management districts for each year, and for each management district over all years. We relate annual variation in SM50 to changes in population size and recruitment over the period studied and discuss factors that can bias estimation of SM50 in our samples.
- Item number: AK-SG-02-01q
- Year: 2002
- DOI: https://doi.org/10.4027/ccwrbme.2002.17