#' Coarse-scale Asian elephant projection matrix
#'
#' A female-only projection matrix for an Asian elephant population,
#' included with the package for examples and vignettes. The matrix
#' has dimension 12 × 12 and a projection interval of 5 years.
#'
#' @details
#' Population/model ID: 249273 — a coarser model with a 5-year projection
#' interval for the Nagarhole National Park elephant population in India
#' (Chelliah et al., 2013).
#'
#' The matrix was originally retrieved from the COMADRE Animal Matrix
#' Database using the `Rcompadre` package and bundled with this package
#' so examples and vignettes can run without requiring internet access.
#'
#' @format A numeric matrix with 12 rows and 12 columns.
#'
#' @source
#' COMADRE Animal Matrix Database, MatrixID 249273.
#'
#' @references
#' Chelliah, K., Bukka, H., & Sukumar, R. (2013).
#' Modeling harvest rates and numbers from age and sex ratios:
#' a demonstration for elephant populations.
#' \emph{Biological Conservation}, 165, 54–61.
#' \doi{10.1016/j.biocon.2013.05.008}
"matA_elephant1"
