https://www.bto.org/our-work/science/publications/reports/research-reports/00209-effects-agricultural-management-farmland-birds
The effects of agricultural management on farmland birds
The effects of agricultural management on farmland birds
Citation
Chamberlain, D.E., Fuller, R.J., Shrubb, M., Bunce, R.G.H., Duckworth, J.C., Garthwaite, D.G., Impey, A.J. & Hart, A.D.M. 1999. The effects of agricultural management on farmland birds.
