7 books
The Usage of the Intertidal Mudflats at the Rhymney, Cardiff, by Waders and Wildfowl
The Effect of the Cardiff Bay Barrage on Waterfowl Populations 4. Distribution and Movement Studies August 1992 - May 1993
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 5. Distribution and Movement Studies August 1993 - May 1994
The Effect of the Cardiff Bay Barrage on Waterfowl Populations 3. Distribution and Movement Studies September 1991 - May 1992
The Roosting Behaviour of Waders and Wildfowl in Cardiff Bay
The Effects of the Cardiff Bay Barrage on Waterfowl Populations7. Distribution and Movement Studies August 1995-May 1996