BTO Research Reports

2 primary works • 5 total works

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

Evaluation of Land Use Bias in Covered Versus Not Covered Breeding Bird Survey Squares

by A M Wilson and R Douglas Gregory

Published May 1999

Habitat Bias in Actual and Ideal Transect Lines in Breeding Bird Surveys

by R.H. Field and R Douglas Gregory

Published November 1998

Measuring Population Changes from the Breeding Bird Survey

by R.H. Field and R Douglas Gregory

Published January 1999