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Introduction to Tropical Fish Stock Assessment: Exercisesl
Per Sparre,S. C. Venema
Snippet view - 1999
age group age-based age/length assumed assumption average Bell model Bertalanffy Bertalanffy growth Beverton and Holt Bhattacharya method biomass by-catch calculated Chapter column commercial fisheries confidence limits considered constant corresponding CPUE ELEFAN example Exercise(s exploited exponential decay fish stock assessment fishing mortality fleet frequencies gear selection gill growth curve growth parameters illustrated input data landing places length composition length group length-frequency sample linear regression linearized catch curve logistic curve maximum maximum likelihood maximum sustainable yield mean length mesh migration natural mortality normal distribution number caught number of fish number of survivors obtained Pauly population regression analysis Section selection curve selection ogive slope Sparre spawning species spring cohort standard deviation surplus production surplus production models Table Thompson and Bell total catch total mortality total number trawl unit of effort Upeneus vittatus variable variance virtual population analysis weight yield per recruit