# Workflow for Environmental Risk Assessment: Habitat, Food Web, Dispersal, Exposure and Risk

## Documentation for package ‘spacemodR’ version 0.1.3

- DESCRIPTION file.
- User guides, package vignettes and other documentation.

## Help Pages

add_habitat | Add habitat zones to a Habitat object
add_link | Add links to a trophic table
add_nohabitat | Add non-habitat zones to a Habitat object
compute_dispersal | Compute dispersal or spread map (Generic Engine)
compute_kernel | Create a 2D Gaussian motion kernel as a SpatRaster
dispersal | Disperse a species or variable over the landscape
flux | Apply trophic flux from a resource layer
get_departements_for_roi | Identify codes of departments intersecting a region of interest
get_ocsge_data_fgb | Efficiently retrieve OCS GE data from a remote FlatGeobuf
habitat | Create a Habitat object
habitat_raster | Create a raster from a habitat object
intake | Constructor for Intake Parameters
is_cyclic | Test if a directed graph is cyclic
load_raster_extdata | load raster file from internal data
lower_neighbors | Get resource layers for a given trophic layer
normalize_weights | Normalize weights of a trophic table
ocsge_metaleurop | SF object defining very simplified OCS-GE soil cover metaleurop
ocsge_species_dict | Valued weight between OCSGE layer and species
plot.trophic_tbl | Plot a trophic table
raster_stack | Create a RasterStack from a list of rasters and names
ref_ocsge | Nomenclature of OCS-GE soil cover
roi_metaleurop | SF object defining ROI metaleurop
sf_micromammals | DataBase of collected MicroMammals species
spacemodel | Create a spacemodel object
transfer | Transfer (food, contaminant) across trophic levels
trophic | Create a trophic table
[.trophic_tbl | Subset method for trophic_tbl