https://www.bto.org/our-work/science/publications/reports/research-reports/00021-evaluation-constant-effort-sites-scheme
An evaluation of the Constant Effort Sites Scheme
An evaluation of the Constant Effort Sites Scheme
Citation
Baillie, S.R., Green, R.E., Boddy, M. & Buckland, S.T. 1986. An evaluation of the Constant Effort Sites Scheme.
