R/WalleyeConsumption.R

In droglenc/FSAdata: Data to Support Fish Stock Assessment ('FSA') Package

#' @title Consumption of prey by Walleye.
#' 
#' @description Consumption of prey by Walleye (\emph{Sander vitreus}) at different prey densities.
#' 
#' @name WalleyeConsumption
#' 
#' @docType data
#' 
#' @format A data frame of 23 observations on the following 2 variables:
#'  \describe{
#'    \item{PreyDensity}{Density of prey (mg per g per day).}
#'    \item{FoodConsump}{Food consumption by predator (mg per cubic meter)} 
#'  }
#'  
#' @section Topic(s):
#'  \itemize{
#'    \item Nonlinear modeling 
#'  }
#'  
#' @source From Figure 3 in Madenjian, C.P., and S.R. Carpenter. 1991. Individual-based model for growth of young-of-the-year walleye: A piece of the recruitment puzzle. Ecological Applications 1:268-279. Data were originally from Swenson, W. A. 1977. Food consumptions of walleye (\emph{Stizostedion vitreum vitreum}) and sauger (\emph{S. canadense}) in relation to food availability and physical conditions in Lake of the Woods, Minnesota, Shagawa Lake, and western Lake Superior. Journal of the Fisheries Research Board of Canada 34:1643-1654. \href{https://raw.githubusercontent.com/fishR-Core-Team/FSAdata/main/data-raw/WalleyeConsumption.csv}{CSV file}
#' 
#' @keywords datasets
#' 
#' @examples
#' data(WalleyeConsumption)
#' str(WalleyeConsumption)
#' head(WalleyeConsumption)
#' plot(FoodConsump~PreyDensity,data=WalleyeConsumption,pch=16)
#' 
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