Impact of the Mersey Oil Spill of August 1989 on the Populations and Distribution of Waterfowl Clark N. A. Spiral / 1992 / Engelsk
Progress Report on the Effectiveness of the Mark II CatAlert Collar at Reducing Predation by Domestic Cats Clark N. A. Heftet / 1999 / Engelsk
Disturbance Studies on Swansea Bay and the Burry Inlet in Relation to Bird Populations Evans J. Heftet / 1994 / Engelsk
Setting Forth Ornithological Assessment Analysis of the Common Birds Census of St.Margarets Marsh Clark N. A. Spiral / 1997 / Engelsk
Effect of Commercial Cockling on the Numbers of Wintering Waterfowl on the Solway Estuary Shepherd M. Spiral / 1995 / Engelsk
Investigation of the Feeding Sites of Grey Herons Ardea Cincerea Producing Deformed Chicks at the Besthorpe Colony Burton N. H. K. Spiral / 1998 / Engelsk
Pilot Field Trial into the Effectiveness of the CatAlert Collar at Reducing Predation by Domestic Cats Burton N. H. K. Spiral / 1998 / Engelsk
Numbers and Status of Waterbirds Using Cardiff Bay from 1999/2000 to 2001/2002 Burton N. H. K. Spiral / 2005 / Engelsk
Effects on Waterbirds of Dredging at the Cardiff Bay Barrage Interim Report December 2001 Burton N. H. K. Spiral / 2001 / Engelsk
Effects on Waterbirds of Dredging at the Cardiff Bay Barrage Report for 2001/2002 Burton N. H. K. Spiral / 2006 / Engelsk
Ecological Effect of the Proposed Mansbrook Grove Outfall with Particular Reference to Birds on the Adjacent Mudflats of the Orwell Estuary Burton N. H. K. Spiral / 2009 / Engelsk
Investigation of the Effectiveness of Rehabilitation of Birds as Shown by Ringing Recoveries Joys A.C. Spiral / 2005 / Engelsk
