https://www.bto.org/our-work/science/publications/reports/research-reports/influence-vegetable-production-farmland-bird-populations
The influence of vegetable production on farmland bird populations
The influence of vegetable production on farmland bird populations
Citation
Siriwardena, G.M. & Hulme, M.F. 2011. The influence of vegetable production on farmland bird populations.
