https://www.bto.org/our-work/science/publications/reports/research-reports/00205-effect-cardiff-bay-barrage-waterbird-populations-09
The effect of the Cardiff Bay Barrage on waterfowl populations 9. Distribution and movement studies August 97 - May 98
The effect of the Cardiff Bay Barrage on waterfowl populations 9. Distribution and movement studies August 97 - May 98
Citation
Burton, N.H.K., Rehfisch, M.M. & Clark, N.A. 1998. The effect of the Cardiff Bay Barrage on waterfowl populations 9. Distribution and movement studies August 97 - May 98.