https://www.bto.org/our-work/science/publications/reports/research-reports/00183-effect-cardiff-bay-barrage-waterbird-populations-08
The effect of the Cardiff Bay Barrage on waterfowl populations. 8. Distribution and movement studies August 1996-May 1997
The effect of the Cardiff Bay Barrage on waterfowl populations. 8. Distribution and movement studies August 1996-May 1997
Citation
Burton, N.H.K., Armitage, M.J.S., Rehfisch, M.M. & Clark, N.A. 1997. The effect of the Cardiff Bay Barrage on waterfowl populations. 8. Distribution and movement studies August 1996-May 1997.