Fishery Stock Assessment by Catch Dynamic Models Using catch in biomass, fishing effort, and mean body mass by time step, estimate stock abundance, natural mortality rate, and fishing operational parameters. It includes methods for plotting standard exploratory and analytical plots and to pre-process data, five types of catch dynamics models of increasing complexity, and two distributions for the catch data. Software Depends: msm, optimx, BB Ruben H. Roa Ureta <ruben.roa.ureta@gmail.com> Ruben H. Roa Ureta GPL (>= 2) 2012-05-20 application/tgz http://CRAN.R-project.org/package=CatDyn