1. Abdi H (2004) Partial regression coefficients. In: Lewis-Beck M, Bryman A, Futing T (eds) Encyclopedia of social sciences research methods. Sage, Thousand Oaks, pp 1–4
2. Andrén H (1994) Effects of habitat fragmentation on birds and mammals in landscapes with different proportions of suitable habitat: a review. Oikos 71:355–366
3. Azpiroz AB, Isacch JP, Dias RA, Di Giacomo AS, Fontana CS, Palarea CM (2012) Ecology and conservation of grassland birds in southeastern South America: a review. J Field Ornithol 83:217–246
4. Barton K (2019) Package “MuMIn” - Multi-model inference version 1.43.6. http://CRAN.R-project.org/package=MuMIn
5. Bates D, Maechler M, Bolker B, Walker S, Bojesen RH, Singmann H, Dai B, Scheipl F, Grotherndieck G, Green P, Fox J (2019) lme4: Linear mixed-effects models using “Eigen” and S4 version 1.1–21, http://CRAN.R-project.org/package=lme4