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Research Reports

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BTO Research Reports are scientific papers that have been self-published by the BTO. The following is a full list of those BTO research reports which have been published. Most are free to download, and links to Abstracts are included where possible.

Numbers missing from the list are those allocated but which were never produced or which have not been published. BTO recognises that, particularly in respect of commercially sensitive cases, a period of confidentiality is appropriate for some projects.  However, in the interests of scientific development and dissemination of information, we encourage clients to permit publication as soon as it is reasonable to do so.

If you wish to purchase a copy of a report please contact researchreports [at] bto.org.

More information about our Annual Service reports to JNCC 1992-2005.

557. Leech, D.I., Barimore, C.J., Shawyer, C.R. & Newson, S.E. Publication Date: 2010. The BTO Barn Owl Monitoring Programme: 2000-2008. ISBN: 978-1-906204-77-8 44pp £5.00 Download Report (PDF)
554. Burton, N.H.K., Cook, A.S.C.P., Howells, R.J, Hughes, D.S., & Jenks,P. Publication Date: 2010. Monitoring bird distribution and behaviour in the Carmarthen Bay & Estuaries. SAC at low tide in winter 2009/10. Link to Report
553. Cook, A.S.C.P & Burton, N.H.K. Publication Date: 2010. The effects on waterbirds of dredging at the Cardiff Bay Barrage. Report for 2009/10. ISBN: 978-1-906204-75-4 28pp £2.50 Download Report (PDF)
552. Hulme, M.F. & Siriwardena, G.M. Publication Date: 2010. Bird survey assessment for Bayer CropScience, Great Chishill. ISBN: 978-1-906204-71-6 27pp £2.50 Download Report (PDF)
551. Pickett, S., Coombes, R., Sansom, A., Musgrove, A.J. & Siriwardena, G. Publication Date: 2010. Reducing the risk of exposure of free range poultry to highly pathogenic Avian Influenza (H5N1) in Britain. ISBN: 978-1-906204-84-6 176pp £15.00 Download Report (PDF)
550. Calladine, J. & Thiel, A. Publication Date: 2010. Second year of ornithological surveys at House of Water, East Ayrshire: breeding season 2009 and winter season 2009-10. ISBN: 978-1-906204-70-9 37pp £5.00 Download Report (PDF)
549. Eglington, S. & Noble, D. Publication Date: 2010. Final report for 2009 on the Scottish Woodland Breeding Bird Surveys. ISBN: 978-1-906204-85-3 58pp £5.00 Download Report (PDF)
548. Austin, G. & Calbrade, N. Publication Date: 2010. Within-site waterbird trends relative to whole-site and regional population trends: the South Lincs. Shooting zone on The Wash SPA. ISBN: 978-1-908581-03-7 56pp £5.00 Download Report (PDF)
546. Austin, G. & Calbrade, N. Publication Date: 2013. Within-site waterbird trends relative to whole-site, regional and national population trends: Dungeness, Romney Marsh and Rye Bay SSSI. ISBN: 978-1-908581-20-4 115pp £10.00 Download Report (PDF)
541. Baillie, S.R., Marchant, J.H., Leech, D.I., Joys, A.C., Noble, D.G., Barimore, C., Downie, I.S., Grantham, M,J., Risely, K. & Robinson, R.A. Publication Date: 2009. Breeding Birds in the Wider Countryside: Their conservation status 2009. http://www.bto.org/birdtrends2009/index.htm
539. Marchant, J.H. & Noble, D.G. Publication Date: 2009. A baseline breeding bird survey of Perth & Kinross in 2008. ISBN: 978-1-906204-61-7 30pp £5.00 Download Report (PDF)
538. Sarah Eglington & David Noble Publication Date: 2014. Understanding the causes of decline in breeding bird numbers in England. ISBN: 978-1-908581-34-1 189pp £15.00 Download Report (PDF)
535. Humphreys, L., Wernham, C. & Crick, H. Publication Date: 2009. Raptor species conservation frameworks: The Peregrine Conservation Framework Project. Progress report - phase 1. ISBN: 978-1-906204-60-0 71pp £10.00 Download Report (PDF)
534. Calladine, J. & Thiel, A. Publication Date: 2009. Ornithological surveys at House of Water, East Ayrshire: breeding season 2008 and winter season 2008-09. ISBN: 978-1-906204-59-4 27pp £2.50 Download Report (PDF)
533. Henderson, I. Publication Date: 2009. A review of UK agricultural biofuels: potential effects on birds and knowledge gaps for bird conservation in the UK. ISBN: 978-1-906204-62-4 37pp £5.00 Download Report (PDF)
531. Conway, G. & Henderson, I. Publication Date: 2009. Estimates of Breeding Bird Abundance and Habitat Use in Thetford Forest Park. ISBN: 978-1-912642-14-4 52pp Download Report (PDF)
530. Cook, A.S.C.P. & Burton, N.H.K. Publication Date: 2009. The effects on waterbirds of dredging at the Cardiff Bay Barrage: report for 2008/09. ISBN: 978-1-906204-74-7 28pp £2.50 Download Report (PDF)
529. Douglas, D., Austin, G., Wernham, C. & Rehfisch, M.M. Publication Date: 2009. Analysis of Islay goose datasets to determine the effects of scaring and management factors on goose distributions: Phase ll.
528. Burton, N.H.K., Austin, G.E. & Conway, G.J. Publication Date: 2009. Collation of existing survey data on heathland birds breeding on English SSSIs. ISBN: 978-1-906204-73-0 15pp £2.50 Download Report (PDF)
527. Gillings, S., Atkinson, P.W., May, M.J. & Fuller, R.J. Publication Date: 2009. The potential implications for birds of reform of the sugar beet industry in England. ISBN: 978-1-906204-56-3 48pp £5.00 Download Report (PDF)
526. Robinson, R.A. & Ratcliffe, N. Publication Date: 2010. The feasibility of integrated population monitoring of Britain's sea birds. ISBN: 978-1-906204-48-8 71pp £5.00 Download Report (PDF)
523. Leech, D.I., Barimore, C.J. & Shawyer, C.R. Publication Date: 2008. The BTO Barn Owl Monitoring Programme: 2000-2007. ISBN: 978-1-906204-47-1 48pp £5.00 Download Report (PDF)
522. Chamberlain, D.E., Katebaka, R., Senfuma, I., Pomeroy, D., Nalwanga-Wabire, D., Byaruhanga, A., Atkinson, P.W. & Vickery, J.A. Publication Date: 2008. Towards developing sustainable, biodiversity-rich agricultural systems in Uganda. ISBN: 978-1-906204-46-4 72pp Download Report (PDF)
520. Marchant, J.H, Noble, D.G. & Haynes, S. Publication Date: 2008. A breeding bird survey of the National Forest (English Midlands) in 2008. ISBN: 978-1-906204-50-1 44pp £10.00 Download Report (PDF)
516. Baillie, S.R., Marchant, J.H., Leech, D.I., Joys, A.C., Noble, D.G., Barimore, C., Downie, I.S., Grantham, M.J., Risely, K. & Robinson, R.A. Publication Date: 2008. Breeding Birds in the Wider Countryside: their conservation status 2008. http://www.bto.org/birdtrends2008/index.htm
513. Maclean, I.M.D., Rehfisch, M.M. & King, S. Publication Date: 2008. Developing techniques for ornithological cumulative impact assessment.
512. L J Wright, G E Austin, I M D Maclean & N H K Burton Publication Date: 2013. Waterbird populations on the Greater Thames Estuary: Numbers and trends by count sector. ISBN: 978-1-908581-30-3 505pp £35.00 Download Report (PDF)
511. Burton, N.H.K. & Ravenscroft, N.O.M. Publication Date: 2008. The effects on waterbirds of a new outfall discharging water into Mansbrook Grove on the Orwell Estuary: 2005/06 to 2007/08 final report. ISBN: 978-1-906204-19-8 32pp £5.00 Download Report (PDF)
510. Conway, G.J., Burton, N.H.K., Handschuh, M. & Austin, G.E. Publication Date: 2008. UK population estimates from the 2007 breeding Little Ringed Plover and Ringed Plover surveys. ISBN: 978-1-906204-44-0 38pp £5.00 Download Report (PDF)
505. Calbrade, N.A., Musgrove, A.J. & Rehfisch, M.R. Publication Date: 2008. Colne Estuary low tide counts 2007/08. ISBN: 978-1-906204-72-3 38pp £5.00 Download Report (PDF)
503. Burton, N.H.K. & Conway, G.J. Publication Date: 2008. Assessing population change of breeding Ringed Plovers in the UK between 1984 and 2007. ISBN: 978-1-906204-63-1 15pp £5.00 Download Report (PDF)
502. Everard, M. & Noble, D. Publication Date: 2008. Association of British breeding birds with freshwater wetland habitats. ISBN: 978-1-906204-34-1 40pp £5.00 Download Report (PDF)
501. Austin, G.E., Collier, M.P. & Rehfisch, M.M. Publication Date: 2007. 2007 Non-estuarine Coastal Waterbird Survey: population estimates and broad comparisons with previous surveys. ISBN: 978-1-906204-52-5 31pp £2.50 Download Report (PDF)
500. Maclean, I.M.D., Cranswick, P.A., Fairney, N.P., Smith, L.E., Hall, C., Musgrove, A.J., Haycock, B., Sanderson, W.W., Whitehead, S. & Rehfisch, M.M. Publication Date: 2008. Marine Monitoring Project: ground and aerial monitoring of inshore Special Protection Areas: Common Scoters in Carmarthen Bay 2007-2008.
498. Noble, D., Everard, M. & Joys, A. Publication Date: 2008. Development of wild bird indicators for freshwater wetlands and waterways: provisional indicators. ISBN: 978-1-906204-35-8 41pp £5.00 Download Report (PDF)
497. Austin, G.E., Calbrade, N.A., Rehfisch, M.R. & Wright, L.J. Publication Date: 2008. Humber Estuary SPA waterbird populations: trend analyses by count sector. ISBN: 978-1-906204-68-6 216pp £20.00 Download Report (PDF)
495. Newson, S.E., Dulvy, N., Hays, G.C., Houghton, J.D.R., Gerard, F.F., Hutson, A.M., Macleod, C.D., Mendes, S., Robinson, R., Sparks, T.H., Pierce, G.J. & Crick, H.Q.P. Publication Date: 2008. Indicators of the impact of climate change on migratory species. ISBN: 978-1-906204-40-2 106pp £10.00 Download Report (PDF)
494. Gillings, S., Wilson, A.M., Conway, G.J., Vickery, J.A., Fuller, R.J., Beavan, P., Newson, S.E., Noble, D.G. & Toms, M.P. Publication Date: 2007. Winter Farmland Bird Survey. ISBN: 978-1-906204-31-0 158pp £15.00 Download Report (PDF)
493. Calladine, J., Garner, G. & Humphreys, L. Publication Date: 2013. A sample survey of the breeding birds at woodland expansion sites of the Scottish Forest Alliance in 2007. ISBN: 978-1-908581-19-8 48pp £5.00 Download Report (PDF)
490. Hewson, C.M., Fuller, R.J., Amor, A. & Smith, K. Publication Date: 2012. Changes in the structure of British woodland bird communities between the 1980s and 2003-2004; analysis of Repeat Woodland Bird Survey data. ISBN: 978-1-908581-15-0 102pp £10.00 Download Report (PDF)
489. Banks, A.N., Wright, L.J., Maclean, I.M.D., Hann, C. & Rehfisch, M.M. Publication Date: 2009. Review of the status of introduced non-native waterbird species in the area of African-Eurasian Waterbird Agreement: 2007 update. ISBN: 978-1-906204-65-5 146pp £15.00 Download Report (PDF)
487. Baillie, S.R., Marchant, J.H., Crick, H.Q.P., Noble, D.G., Balmer, D.E., Barimore, C., Coombes, R.H., Downie, I.S., Freeman, S.N., Joys, A.C., Leech, D.I., Raven, M.J., Robinson, R.A. & Thewlis, R.M. Publication Date: 2007. Breeding Birds in the Wider Countryside: their conservation status 2007. http://www.bto.org/birdtrends2007/index.htm
486. Maclean, I.M.D., Rehfisch, M.M., Robinson, R.A. & Delany, S. Publication Date: 2007. The effects of climate change on migratory waterbirds within the African-Eurasian flyway. ISBN: 978-1-906204-51-8 99pp £15.00 Download Report (PDF)
485. Vickery, J., Chamberlain, D., Evans, A., Ewing, S., Boatman, N., Pietravalle, S., Norris, K. & Butler, S. Publication Date: 2007. Predicting the impact of future agricultural change and uptake of Entry Level Stewardship on farmland birds. ISBN: 978-1-906204-29-7 189pp £15.00 Download Report (PDF)
484. Maclean, I.M.D., Skov, H. & Rehfisch, M.M. Publication Date: 2007. Further use of aerial surveys to detect bird displacement by offshore wind farms. ISBN: 978-0-9557501-1-3 Download Report (PDF)
483. Burton, N.H.K., Maclean, I..M.D. & Austin, G.E. Publication Date: 2007. An assessment of the feasibility of annual monitoring of winter gull roosts in the UK and possible outputs from such a scheme. ISBN: 978-1-906204-54-9 54pp £5.00 Download Report (PDF)

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