To dispersal matrix

Usage

fun_disp_mat(
  n_patch,
  landscape_size,
  theta,
  xy_coord = NULL,
  distance_matrix = NULL,
  dispersal_matrix = NULL
)

n_patch: Integer. Number of patches in a metacommunity.
landscape_size: Length of a landscape on a side. Enabled if distance_matrix = NULL and dispersal_matrix = NULL.
theta: Numeric. Rate parameter of exponential dispersal kernel.
xy_coord: Site coordinates. Must be provided as a data frame, in which each row corresponds to an individual site with x and y coordinates (columns). Defualt NULL.
distance_matrix: Distance matrix. Each element must indicate distance between a given pair of habitat patches. If provided, the distance matrix will be used to generate dispersal matrix and distance decay of environmental correlations. Default NULL.
dispersal_matrix: Dispersal matrix. If provided, this matrix overrides distance_matrix to simulate dispersal process. Default NULL.