https://www.bto.org/our-work/science/publications/papers/farmland-bird-declines-patterns-processes-and
Farmland bird declines: patterns, processes and prospects
Farmland bird declines: patterns, processes and prospects
Citation
Baillie, S.R., Gregory, R.D. & Siriwardena, G.M. 1997. Farmland bird declines: patterns, processes and prospects. British Crop Protection Council, Farnham
