R/tree-data.R

In CENFA: Climate and Ecological Niche Factor Analysis

#' Tree distribution data
#'
#' Some example datasets of historical tree distributions, from "Atlas of United
#' States Trees" by Elbert L. Little, Jr.
#'
#' \describe{
#'   \item{ABPR}{Historical range map for the noble fir (\emph{Abies procera})}
#'   \item{QUGA}{Historical range map for the Oregon white oak (\emph{Quercus garryana})}
#'   \item{SESE}{Historical range map for the coast redwood (\emph{Sequoia sempervirens})}
#' }
#'
#' @aliases ABPR QUGA SESE
#' @format SpatialPolygonDataFrame
#' @name tree-data
#' @source \url{https://www.usgs.gov/}
#' @seealso \code{\link{climdat.hist}}, \code{\link{climdat.fut}}
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