19 books • 3 series
Book #13: The Effect of the Cardiff Bay Barrage on Water Populations
Book #122: Temporal and Spatial Variation in Low Tide Counts of Wildfowl and Waders on Selected Estuaries in Great Britain
Book #128: Effect of Commercial Cockling on the Numbers of Wintering Waterfowl on the Solway Estuary
Book #150: Evaluation of Bird Monitoring Requirements in National Parks
Book #155: Evaluation of the Waterways Bird Survey as a Monitor of Regional and National Populations of Waterbirds, and an Appraisal of Its Future Role
