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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.

590. Thaxter, C.B., Ross-Smith, V.H., Clark, N.A., Conway, G.J., Rehfisch, M.M., Bouten, W. & Burton, N.H.K. Publication Date: 2011. Measuring the interaction between marine features of SPAs with offshore windfarm development zones through telemetry: first breeding season report. 72pp Link to Report
588. Marchant, J.H., Noble, D.G., & Haynes, S. Publication Date: 2011. Repeat breeding bird survey of The National Forest (English Midlands) in 2010. ISBN: 978-1-906204-98-3 28pp £2.50 Download Report (PDF)
587. V.H. Ross-Smith, N.A. Calbrade & G.E. Austin Publication Date: 2013. Analysis of Wetland Bird Survey (WeBS) Data for the Wash SSSI/NNR. ISBN: 978-1-908581-22-8 166pp £15.00 Download Report (PDF)
584. Calladine, J., Fuller, R. & Humphreys, L. Publication Date: 2011. A survey of population changes in breeding waders on machair in Benbecula and North Uist: annual surveys in 2008-2010 and changes since the mid-1980s. Link to Report
582. Thaxter, C.B., Cook, A.S.C.P., Johnston, A. & Burton, N.H.K. Publication Date: 2011. Review of statistical techniques to model the at-sea distributions of breeding Sandwich Terns. ISBN: 978-1-906204-89-1 57pp £5.00 Download Report (PDF)
581. Henderson, I. Publication Date: 2011. An evaluation of bird populations on pea growers farms between 2007 and 2010 and relative to neighbouring farmland. ISBN: 978-1-906204-92-1 21pp £2.50 Download Report (PDF)
580. Cook, A.S.C.P., Ross-Smith, V.H., Roos, S., Burton, N.H.K., Beale, N., Coleman, C., Daniel, H., Fitzpatrick, S., Rankin, E., Norman, K. & Martin, G. Publication Date: 2011. Identifying a range of options to prevent or reduce avian collision with offshore wind farms, using a UK-based case study.. ISBN: 978-1-906204-95-2 197pp £15.00 Download Report (PDF)
579. Siriwardena, G.M. & Hulme, M.F. Publication Date: 2011. The influence of vegetable production on farmland bird populations. ISBN: 978-1-906204-90-7 40pp £5.00 Download Report (PDF)
578. Freeman, S.N. & Noble, D.G. Publication Date: 2011. Analyses to assess the effectiveness of modifications to the BBS sampling design. ISBN: 978-1-906204-87-7 59pp £5.00 Download Report (PDF)
577. Dadam, D., Barimore, C.J., Shawyer, C.R. & Leech, D.I. Publication Date: 2011. The BTO Barn Owl Monitoring Programme: final report 2000-2009. ISBN: 978-1-906204-88-4 68pp £5.00 Download Report (PDF)
574. Calbrade, N.A., Musgrove, A.J. & Austin, G.E. Publication Date: 2013. Waterbirds on English Sites of Special Scientific Interest: A review of the use made by non-breeding waterbirds of the English SSSI network. ISBN: 978-1-908581-23-5 18pp £2.50 Download Report (PDF)
573. Cook, A.S.C.P. & Robinson, R.A. Publication Date: 2010. How representative is the current monitoring of breeding seabirds in the UK?. ISBN: 978-1-908581-13-6 142pp £10.00 Download Report (PDF)
572. Humphreys, E., Toms, M., Newson, S., Baker, J. & Wormald, K. Publication Date: 2010. An examination of reptile and amphibian populations in gardens, the factors influencing garden use and the role of a 'Citizen Science' approach for monitoring their populations within this habitat. ISBN: 978-1-906204-81-5 43pp £5.00 Download Report (PDF)
568. Emily Coleman & J A Clark Publication Date: 2013. Understanding the role of avian vectors in the spread of Phytophthora ramorum. ISBN: 978-1-908581-27-3 30pp £2.50 Download Report (PDF)
566. Conway, G.J. & Fuller, R.J. Publication Date: 2010. Multi-scale relationships between vegetation pattern and breeding birds in the upland margins (ffridd) of North Wales. ISBN: 1-906204-86-0 65pp £5.00 Download Report (PDF)
565. Baillie, S.R., Marchant, J.H., Leech, D.I., Joys, A.C., Noble, D.G., Barimore, C.J., Downie, I.S., Grantham, M.J., Risely, K. & Robinson, R.A. Publication Date: 2011. Breeding birds in the wider countryside: their conservation status 2010. Link to Report
563. Cook, A.S.C.P. & Burton, N.H.K. Publication Date: 2010. A review of the potential impact and marine aggregate extraction on seabirds and waterbirds. ISBN: 978-0-907545-35-4 100pp Download Report (PDF)
562. Sarah Eglington Publication Date: 2014. Understanding the causes of decline in breeding wetland bird numbers in England. ISBN: 978-1-908581-35-8 122pp £10.00 Download Report (PDF)
561. Marchant, J.H., Hulme, M.F. & Noble, D.G. Publication Date: 2010. Trends among breeding water birds during 1974-2009, along canals in British Waterways ownership. ISBN: 978-1-906204-83-9 35pp £2.50 Download Report (PDF)
560. Marchant, J.H., Hulme, M.F. & Noble, D.G. Publication Date: 2012. Waterways Breeding Bird Survey: progress 1998-2009 and long-term population trends. ISBN: 978-1-908581-18-1 66pp £5.00 Download Report (PDF)
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. https://www.bto.org/birdtrends2009/index.htm
540. Marchant, J.H., Calbrade, N.A. & Austin, G.E. Publication Date: 2009. Methods for comparing low-tide trends for Wetland Bird Survey count sectors with wider regions: a pilot study for three wader species on the Stour and Orwell Estuaries SPA. ISBN: 978-1-908581-04-4 116pp £10.00 Download Report (PDF)
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)
525. Henderson , I. Publication Date: 2009. Will Woodlands: a reconnaissance survey of habitat composition, configuration and the wild bird potential of three developing woodland sites. ISBN: 978-1-906204-49-5 29pp £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. https://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)

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