Publications

Publications

BTO create and publish a variety of important articles, papers, journals and other publications, independently and with our partners, for organisations, government and the private sector. Some of our publications (books, guides and atlases) are also available to buy in our online shop.

Annual report of the Seabird Monitoring Programme

Seabird Population Trends and Causes of Change: 1986–2023

This report presents the latest seabird population trends in breeding abundance and productivity using data from the Seabird Monitoring Programme (SMP). 

The report documents changes in the abundance and productivity of breeding seabird species in Britain and Ireland from 1986 to 2023, and provides a detailed account of the 2021, 2022 and 2023 breeding seasons.

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Annual report of the Seabird Monitoring Programme

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Sensitivities to land use change by breeding Short-eared Owl (Asio flammeus) in Britain

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Published: 2021

Populations of Short-eared Owls are declining across many parts of their range, including here in Britain, where their breeding range contracted between 1990 and 2010. The relationships between a species’ breeding distribution and population trends with environmental variables can provide valuable information to conservation planners. By understanding these relationships it is possible to use Habitat Suitability Models to identify areas of habitat that are suitable for a species, which in turn can be useful when designating protected areas or nature reserves, or when highlighting areas where new planning developments would have an adverse effect.

30.06.21

Papers

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Results of a tracking study of Wigeon to inform understanding of potential interactions with the National Grid Hinkley Connection Project

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Published: 2021

As part of the consenting process for The National Grid Hinkley Connection Project, a tracking study was commissioned to track the movements of 15 Wigeon Anas penelope, with specific objectives to provide data on the flight paths that birds might take between the Severn Estuary SPA and the Somerset Levels and Moors SPA, and to explore how these relate to the route of the National Grid Hinkley Connection Project between Bridgwater and Seabank. Investigations also examined the frequency of movements through the winter period, and the flight heights and speeds of birds.

30.06.21

BTO Research Reports

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