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.

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Implications of lowland broadleaved woodland management for the conservation of target bird species

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Published: 2017

This research consisted of a literature review and field study which investigated woodland management for birds within lowland broadleaved woodlands in Britain. The research considered the effect of woodland management (silvicultural intervention and control of deer browsing) on vegetation structure, and the relationships between vegetation structure and woodland birds. Based on habitat–bird relationships, a classification of six woodland stand structures (A–F) related to their value to birds, and a framework to help understand and manage woodland development to deliver these structures were created. The field study, which was conducted in England and Wales, showed that woodlands are predominantly mature or late thicket stands, with low structural heterogeneity (type E – closed canopy, few strata), and silvicultural interventions are primarily mid to late rotational thinning. Such interventions lead to a uniform stand structure and reduced stem and understorey density. High deer browsing pressure also reduces understorey density. Study results showed these vegetation structures to be less favourable to the target bird species who were instead found to be associating with the structures predicted from the literature as being favourable. This suggests that vegetation structures for birds can be described, and if provided, bird populations could be enhanced. The frequently occurring woodland structure type E is of least value to woodland birds. Woodland managers are encouraged to move type E stands towards other types to help meet bird conservation objectives.

16.06.17

Reports Other reports

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LifeCycle - Issue 5, Spring 2017

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Published: Spring 2017

Issue 5 contains the 2016 breeding season results and celebrates the anniversaries of CES and RAS. There are also articles on finding Yellowhammer nests, recording moult, and using thermal-imaging cameras to locate birds.

15.06.17

Magazines Lifecycle

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Urban Breeding Gull Surveys: A Survey Design Simulation

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Published: 2017

This report builds on Ross et al. (2016) using computer simulations to examine how survey coverage affects the precision of population estimates. This work will provide a first step towards improving the population estimates of urban gulls, assuming surveys go ahead in the future. Includes annex: Results for Northwest England. To support delivery of the latest census of the breeding seabird population of Britain and Ireland, a previous Natural England commissioned report (Ross et al. 2016) reviewed the survey methods in order to make recommendations for the most cost-effective survey design for quantifying (urban) gull abundance in UK and Ireland. Within that report, recommendations were made on the expected necessary coverage, with reference to previous analogous bird surveys across similar geographic scales. This report builds on Ross et al. (2016) using computer simulations to examine how survey coverage affects the precision of population estimates. This work will provide a first step towards improving the population estimates of urban gulls, assuming surveys go ahead in the future.

12.06.17

Reports

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