R/mortality.R

In danStich/anadrofish: Anadromous Fish Population Responses to Habitat Changes

#' @title Sex-specific instaneous mortality of American shad
#'
#' @description A dataset containing sex-specific instantaneous
#' mortality estimates for each life-history region 
#' (NI = Northern iteroparous, SI = Southern iteroparous, 
#' SP = Semelparous).
#'
#' @format A data frame with 6 observations of 3 variables:
#' \describe{
#' 
#' \code{region}{ Life-history region}
#' 
#' \code{sex}{ Fish sex (gender)}
#' 
#' \code{M}{ Instantaneous natural mortality}
#' }
#' 
#' @references Atlantic States Marine Fisheries Commission (ASMFC). 2020. 
#' American shad benchmark stock assessment and peer-review report. ASMFC, 
#' Arlington, VA.
#' 
#' @source Atlantic States Marine Fisheries Commission
"mortality"