BTO Research Reports

13 primary works • 47 total works

The Effect of the Cardiff Bay Barrage on Water Populations

by N. H. K. Burton, M. M. Rehfisch, and N. A. Clark

Published 28 February 2006

Temporal and Spatial Variation in Low Tide Counts of Wildfowl and Waders on Selected Estuaries in Great Britain

by J Evans

Published August 1997

Effect of Commercial Cockling on the Numbers of Wintering Waterfowl on the Solway Estuary

by M. Shepherd and N. A. Clark

Published March 1995

Evaluation of Bird Monitoring Requirements in National Parks

by Graham E. Austin and R Douglas Gregory

Published February 1995

Evaluation of the Waterways Bird Survey as a Monitor of Regional and National Populations of Waterbirds, and an Appraisal of Its Future Role

by John Marchant and etc.

Published September 1995

A Review of the BTO's Nest Record Scheme

by Humphrey Crick, Stephen Baillie, and Humphrey Q. P. Crick

Published April 1996

Review of Large-scale Generic Population Monitoring Schemes in Europe

by John Marchant and etc.

Published March 1998

Review of Natural Avian Mortality Rates

by D.E. Balmer and W.J. Peach

Published August 1997

Abundance and Distribution of Wildfowl within Milford Haven After the Sea Empress Oil Spill

by M. J. Armitage and etc.

Published September 1997

Breeding Birds in the Wider Countryside

by Humphrey Crick, etc., and H. Q. P. Crick ... [et al.]

Published September 1997

Setting Up Monitoring and the Ringing of Rehabilitated Birds Following the "Sea Empress" Oil Spill

by N. A. Clark and K. L. Evans

Published May 1999

Breeding Bird Survey

by R Douglas Gregory and etc.

Published August 1996

Effects of Reductions in Organic and Nutrient Loading on Bird Populations in Estuaries and Coastal Waters of England and Wales

by N. H. K. Burton and etc.

Published January 2002

Impact of the Mersey Oil Spill of August 1989 on the Populations and Distribution of Waterfowl

by N. A. Clark and etc.

Published December 1992

Role of the Uists as a Late Spring Staging Post for Some Nearctic-breeding Waders

by R.P.Prys- Jones and etc.

Published December 1992

Distribution Studies of Waders and Shelduck on the Severn Estuary with Reference to Sediment Mobility

by S. Warbrick and etc.

Published May 1994

Investigation of the Feeding Sites of Grey Herons Ardea Cincerea Producing Deformed Chicks at the Besthorpe Colony

by N. H. K. Burton and N. A. Clark

Published October 1998

Comparison of Breeding Bird Numbers Along Canals with and without a Close Season for Fishing

by J.H. Marchant and etc.

Published November 1998

Waterfowl Distribution and Diet on the Mersey Estuary and Adjacent Areas

by M. M. Rehfisch and etc.

Published April 1994

Hunting of Snipe and Woodcock in Europe

by Ian Henderson and etc.

Published July 1993