R/WhitefishTB.R

#' @title Stock and recruitment data for Lake Whitefish in Thunder Bay, Lake Superior, 1975-1988.
#' 
#' @description Lake Whitefish (\emph{Coregonus clupeaformis}) stock, recruitment, landings, and fishing mortality by year, 1975-1988.
#' 
#' @name WhitefishTB
#' 
#' @docType data
#' 
#' @format A data frame of 14 observations on the following 5 variables:
#'  \describe{
#'    \item{year}{Year of data}
#'    \item{ssb}{Spawning stock biomass (in tonnes)}
#'    \item{rec}{Recruits (in thousands)}
#'    \item{land}{Landings (in tonnes)}
#'    \item{fmort}{Fishing related mortality (natural mortality was assumed to be 0.3)}
#'  }
#' 
#' @section Topic(s):
#'  \itemize{
#'    \item Stock-Recruit
#'    \item Recruitment
#'  }
#' 
#' @concept Stock-Recruit
#' @concept Recruitment
#' 
#' @source From Petzold, M. 1995. An historical analysis of the Lake Whitefish fisheries of Thunder Bay (Zone 1) and Whitefish Bay (Zone 34), Lake Superior. Ontario Min. of Nat. Res. unpubl. manuscript. Obtained from Ransom Myers old online database. \href{https://raw.githubusercontent.com/fishR-Core-Team/FSAdata/main/data-raw/WhitefishTB.csv}{CSV file}
#' 
#' @keywords datasets
#' 
#' @examples
#' data(WhitefishTB)
#' str(WhitefishTB)
#' head(WhitefishTB)
#' op <- par(mfrow=c(1,2),pch=19)
#' plot(rec~year,data=WhitefishTB,type="b")
#' plot(rec~ssb,data=WhitefishTB)
#' par(op)
#' 
NULL

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FSAdata documentation built on Aug. 24, 2023, 5:06 p.m.