Download Hunting Statistics from data.gouv.fr

Downloads departmental hunting harvest statistics (tableaux de chasse) for major game species from the French open data portal.

Usage

download_hunting_data(
  species = "all",
  cache_dir = NULL,
  force_download = FALSE
)

Arguments

species

Character vector. Species to download: "chevreuil" (roe deer), "cerf" (red deer), "sanglier" (wild boar), or "all" (default).

cache_dir

Character. Directory to cache downloaded files. Default uses rappdirs::user_cache_dir("nemeton").

force_download

Logical. Force re-download even if cached. Default FALSE.

Value

A data.frame with columns:

• code_dept: Department code (01-95, 2A, 2B, 971-976)

• nom_dept: Department name

• espece: Species name

• saison: Hunting season (e.g., "2022-2023")

• tableau: Number of animals harvested

Details

Data source: Office Francais de la Biodiversite (OFB), formerly ONCFS. URL: https://www.data.gouv.fr/datasets/evolution-des-tableaux-de-chasse-departementaux-du-grand-gibier-en-france-donnees-depuis-1973

The hunting statistics provide a proxy for local game population density. Higher harvest numbers generally indicate higher population pressure.

See also

Other data-acquisition: compute_game_pressure_index(), get_game_pressure_raster()

Examples

if (FALSE) { # \dontrun{
# Download roe deer statistics
chevreuil_data <- download_hunting_data(species = "chevreuil")

# Download all species
all_data <- download_hunting_data(species = "all")

# Get latest season for department 33 (Gironde)
gironde <- subset(all_data, code_dept == "33")
} # }