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Filtering by: Creator Ralston, Stephen Remove constraint Creator: Ralston, Stephen Advisor Berkeley, Steven A. Remove constraint Advisor: Berkeley, Steven A.

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  • Effects of maternal age on reproductive success in black rockfish, Sebastes melanops

    Creator:
    Bobko, Stephen J.
    Abstract:
    From 1996 through 1998 I collected mature female black rockfish off Oregon and examined ovaries and otoliths to estimate weekly, age-specific larval production. In all reproductive seasons, older black rockfish extruded larvae earlier in the season, followed by progressively younger fish. Each year, beginning in May, I collected young-of-the-year (YOY)...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE DISSERTATION OF Stephen J. Bobko for the