Read the Walloon observations from a species

All available imported data is used.

Usage

read_observation_wallonia(species_id, first_year, latest_year, walloon_repo)

Arguments

species_id

The id of the species

first_year

first winter to import. defaults to 1992

latest_year

latest winter to import. Winter 2019 is defined as 2018-10-01 until 2019-03-31. Defaults the winter prior to last firth of July. 2019-06-30 becomes 2018, 2019-07-01 becomes 2019.

walloon_repo

a git_repository object to the Walloon source data