https://www.bto.org/our-work/science/publications/papers/seasonal-variation-apparent-abundance-breeding-birds
Seasonal variation in the apparent abundance of breeding birds in arctic-alpine habitats of Scotland: implications for their survey and monitoring
Seasonal variation in the apparent abundance of breeding birds in arctic-alpine habitats of Scotland: implications for their survey and monitoring
Citation
Calladine, J. 2011. Seasonal variation in the apparent abundance of breeding birds in arctic-alpine habitats of Scotland: implications for their survey and monitoring. Bird Study 58: 36. doi:10.1080/00063657.2010.532541
