IPM - Amsterdam Albtaross (Diomedea amsterdamensis) population dynamics

Code and data for a multispecies IPM (integrated population model) on South polar skua and Adélie penguin. Code files : IPM_amsterdam_albatross_code.R: Code of the IPM (Nimble language) IPM_tLTRE_res.Rmd: Code for extractig results from the IPM + tLTRE Data files : count_data.csv: Number of breeding pairs (n_couples) and chicks (n_poussins) by year CMR_matrix_alba_ams.txt: Capture-marking-recapture data on Amsterdam albatross [CMR code: 0 = non-observed, 1 = seen as Pre-breeder (PB), 2 = seen as successful breeder (SB), 3 = seen as failed breeder egg (FBE), 4 = seen as failed breeder chicks (FBC), 5 = seen as non-breeder (ONB)] Covar_enviro_all_1983_2024.txt: environnemental covariates [Mascarene High (MH), Southern Indian Ocean Dipole (SIOD) and Southern Annular Mode (SAM)] by year and period [previous year (prev_year), incubation (incub), brooding (brood) and rearing (rear)