https://www.bto.org/our-work/science/publications/reports/research-reports/000161-effect-cardiff-bay-barrage-waterbird-populations-06
The effect of the Cardiff Bay Barrage on waterfowl populations 6. Distribution and movement studies August 1994 - May 1995
The effect of the Cardiff Bay Barrage on waterfowl populations 6. Distribution and movement studies August 1994 - May 1995
Citation
Toomer, D.K., Balmer, D.E., Rehfisch, M.M. & Clark, N.A. 1995. The effect of the Cardiff Bay Barrage on waterfowl populations 6. Distribution and movement studies August 1994 - May 1995.