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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.

233. Burton, N.H.K., Rehfisch, M.M. & Clark, N.A. Publication Date: 2000. The effect of the Cardiff Bay Barrage on Waterfowl Populations 10. Distribution and movement studies August 1998 - May 1999. ISBN: 1-902576-88-8 69pp £5.00 Download Report (PDF)
231. Henderson, I.G. Publication Date: 1999. A large scale survey of the use of winter crops by foraging birds on farmland. ISBN: 1-904870-33-3 34pp £2.50 Download Report (PDF)
230. Burton, N.H.K & Fuller, R.J. Publication Date: 1999. A review of the status and population trends of ground-nesting birds vulnerable to Mink predation on Harris and Lewis. ISBN: 1-902576-61-6 53pp £5.00 Download Report (PDF)
229. Blair, M.J., McKay, H., Musgrove, A.J. & Rehfisch, M.M. Publication Date: 2000. Review of the status of introduced non-native waterbird species in the agreement area of the African-Eurasian Waterbird Agreement Research Contract CR0219. ISBN: 1-902576-60-8 130pp £10.00 Download Report (PDF)
228. Evans, K. Publication Date: 1997. Site Action Plan for Black Redstarts Phoenicurus ochruros in the Deptford Creek Area. ISBN: 1-902576-22-5 8pp £2.50 Download Report (PDF)
227. Armitage, M.J.S., Rehfisch, M.M. & Burton, N.H.K. Publication Date: 2001. Impact of the Sea Empress Oil Spill on the abundance and distribution of waterbirds within Milford Haven. Year 3 Final Report, July 1999. ISBN: 1-902576-35-7 84pp £10.00 Download Report (PDF)
226. Baillie, S.R. & Rehfisch, M.M. (eds) Publication Date: 1999. National and site-based alert systems for UK birds. ISBN: 1-904870-78-3 150pp £10.00 Download Report (PDF)
225. Noble, D.G., Bashford, R.I., Marchant, J.H., Baillie, S.R. & Gregory, R.D. Publication Date: 1999. The Breeding Bird Survey. Report Number 4. ISBN: 1-902576-16-0 16pp Download Report
224. Gillings, S & Fuller, R.J. Publication Date: 1999. Winter ecology of Golden Plovers and Lapwings: a review and consideration of extensive survey methods. ISBN: 1-902576-18-7 56pp £5.00 Download Report (PDF)
223. Toms, M.P., Siriwardena, G.M. & Greenwood, J.J.D. (Part lll.A.1 written by Freeman, S.N. & Siriwardena, G.M.) Publication Date: 1999. Developing a mammal monitoring programme for the UK. ISBN: 1-902576-19-5 313pp £20.00 Download Report (PDF)
222. Vickery, J.A., Tallowin, J.T., Feber, R.E., Atkinson, P.W., Asteraki, E.J., Fuller, R.J. & Brown, V.K. Publication Date: 1999. Changes in lowland grassland management: implications for invertebrates & birds. ISBN: 1-902576-14-4 106pp £10.00 Download Report (PDF)
221. Gregory, R.D., Gibbons, D.W., Impey, A. & Marchant, J.H. Publication Date: 1999. Generation of the headline indicator of wildbird populations. ISBN: 1-902576-20-9 36pp Download Report (PDF)
220. Balmer, D.E. & Rehfisch, M.M. Publication Date: 1999. An assessment of the feeding requirements of overwintering waterfowl at Hickling Broad. ISBN: 1-904870-66-X 47pp £5.00 Download Report (PDF)
219. Henderson, I.G. Publication Date: 1999. Birds Eye Walls: Partnership for Sustainability. A resume of the usage of winter stubbles by birds on arable farmland in the UK. ISBN: 1-902576-17-9 13pp £2.50 Download Report (PDF)
218. Marchant, J.H. & Gregory, R.D. Publication Date: 1999. Waterways Breeding Bird Survey plot study 1998: adaption of census methods to rivers and canals.
217. Field, R.H. & Gregory, R.D. Publication Date: 1999. Measuring population changes from the Breeding Bird Survey. ISBN: 1-902576-09-8 62pp £5.00 Download Report (PDF)
215. Balmer, D.E. & Holloway, S.J. Publication Date: 1998. A study of the risk of collision with power lines by waterbirds at Shotton Steel Works North Wales. ISBN: 1-904870-65-1 34pp £2.50 Download Report (PDF)
214. Field, R.H. & Gregory, R.D. Publication Date: 1998. Habitat bias in actual and ideal transect lines in Breeding Bird Surveys 1994-1997. ISBN: 1-902576-05-5 32pp £2.50 Download Report (PDF)
213. Clark, N.A. & Burton, N.H.K. Publication Date: 1998. A pilot field trial into the effectiveness of the CatAlert TM collar at reducing predation by domestic cats. ISBN: 1-902576-04-7 10pp £2.50 Download Report (PDF)
212. Holloway, S.J. & Glue, D.E. Publication Date: 1999. Site Action Plan for Black Redstarts Phoenicurus ochruros in the Deptford Creek Area, Greenwich, London. ISBN: 1-902576-11-X 30pp £2.50 Download Report (PDF)
211. Marchant, J.H., Gregory, R.D., Balmer, D.E., Gough, S.J. & Wilson, A. Publication Date: 1998. A comparison of breeding bird numbers along canals with and without a close season for fishing. ISBN: 1-902576-06-3 40pp £5.00 Download Report (PDF)
210. Field, R.H., Armitage, M.J.S., Rehfisch, M.M., Austin, G.E., Musgrove, A.J. & Holloway, S.J. Publication Date: 1998. Lappel Bank and Fagbury Flats compensatory measures site suitability for waterfowl. 85pp £10.00 Download Report (PDF)
209. Chamberlain, D.E., Fuller, R.J., Shrubb, M., Bunce, R.G.H., Duckworth, J.C., Garthwaite, D.G., Impey, A.J. & Hart, A.D.M. Publication Date: 1999. The effects of agricultural management on farmland birds. ISBN: 1-902576-12-8 254pp £20.00 Download Report (PDF)
208. Balmer, D.E. Publication Date: 1998. A study of the risk of collision with power lines by Common Terns at Shotton Steel Works, North Wales. ISBN: 1-904870-64-3 24pp £2.50 Download Report (PDF)
205. Burton, N.H.K., Rehfisch, M.M. & Clark, N.A. Publication Date: 1998. The effect of the Cardiff Bay Barrage on waterfowl populations 9. Distribution and movement studies August 97 - May 98. ISBN: 1-904870-22-8 68pp £5.00 Download Report (PDF)
203. Gregory, R.D., Bashford, R.I., Beaven, L.P., Marchant, J.H., Wilson, A.M. & Baillie, S.R. Publication Date: 1998. Breeding Bird Survey 1996-1997. ISBN: 1-902576-00-4 16pp Download Report
202. Burton, N.H.K. & Clark, N.A. Publication Date: 1998. An investigation of the feeding sites of Grey Herons Ardea cinerea producing deformed chicks at the Bethorpe Colony. ISBN: 1-902576-02-0 34pp £2.50 Download Report (PDF)
201. Wilson, A. & Gregory, R.D. Publication Date: 1998. Evaluation of land use bias in covered versus not covered Breeding Bird Survey squares. ISBN: 1-902576-07-1 46pp £5.00 Download Report (PDF)
200. Wilson, A.M., Marchant, J.H., Gregory, R.D., Siriwardena, G.M. & Baillie, S.R. Publication Date: 1998. Enhancements for monitoring of opportunistic bird populations. ISBN: 0-903793-95-4 56pp £5.00 Download Report (PDF)
198. Crick, H.Q.P., Baillie, S.R., Balmer, D.E., Bashford, R.I., Dudley, C., Glue, D.E., Gregory, R.D., Marchant, J.H., Peach, W.J. & Wilson, A.M Publication Date: 1998. Breeding birds in the wider countryside: their conservation status (1972-1996). ISBN: 0-903793-99-7 170pp £15.00 Download Report (PDF)
196. Browne, S.J. & Impey, A. Publication Date: 1998. An analysis and interpretation of the surveys of breeding and winter birds at Titley Court Farm, Herefordshire in 1997/98. ISBN: 1-902576-13-6 48pp £5.00 Download Report (PDF)
195. Vickery, J.A. & Fuller, R.J. Publication Date: 1998. Use of cereal fields by birds. A review in relation to field margin managements. ISBN: 1-902576-08-X 112pp £10.00 Download Report (PDF)
194. Gough, S.J. & Fuller, R.J. Publication Date: 1998. Scrub management for conservation in lowland England: practices, problems and possibilities. ISBN: 0-903793-96-2 64pp £5.00 Download Report (PDF)
193. Armitage, M.J.S., Rehfisch, M.M. & Wernham, C.V. Publication Date: 1997. The 1997 Breeding Sawbill Survey. ISBN: 1-904870-23-6 50pp £5.00 Download Report (PDF)
191. Burton, N. Publication Date: 1997. A review of the status and population trends of bird species on the short and middle UK Biodiversity Steering Group lists. ISBN: 0-903793-90-36 64pp £5.00 Download Report (PDF)
190. Musgrove, A.J. Publication Date: 1997. Validation of WeBS methodology - the relationship between waterfowl counts carried out at high and low tide. ISBN: 0-903793-93-9 40pp £5.00 Download Report (PDF)
188. Clark, N.A. & Evans, K.L. Publication Date: 1997. Setting up monitoring and the ringing of rehabilitated birds following the Sea Empress Oil Spill. ISBN: 1-902576-01-2 15pp £2.50 Download Report (PDF)
187. Crick, H.Q.P., Baillie, S.R., Balmer, D.E., Bashford, R.I., Dudley, C., Glue, D.E., Gregory, R.D., Marchant, J.H., Peach, W.J. & Wilson, A.M. Publication Date: 1997. Breeding birds in the wider countryside: their conservation status (1971-1995). ISBN: 0-903793-88-1 165pp £15.00 Download Report (PDF)
186. Wernham, C.V., Peach, W.J. & Browne, S. Publication Date: 1997. Survival rates of rehabilitated Guillemots. ISBN: 0-903793-71-7 40pp £5.00 Download Report (PDF)
185. Wernham, C.V., Armitage, M., Hughes, B., Hughes, R., Holloway, S.J., Kershaw, M., Madden, J.R., Marchant, J.H., Peach, W.J. & Rehfisch, M.M. (Eds Rehfisch, M.M., Wernham, C.V. & Marchant, J.H.) Publication Date: 1999. Population, distribution, movements and survival of fish-eating birds in Great Britain. ISBN: 1-85112-3237
184. Evans, K., Impey, A. & Gough, S. Publication Date: 1997. A preliminary study of fish refuges as a means of mitigating perceived Cormorant damage to a Put and Take Fishery. ISBN: 978-1-906204-09-9 19pp £2.50 Download Report (PDF)
183. Burton, N.H.K., Armitage, M.J.S., Rehfisch, M.M. & Clark, N.A. Publication Date: 1997. The effect of the Cardiff Bay Barrage on waterfowl populations. 8. Distribution and movement studies August 1996-May 1997. ISBN: 1-902576-87-X 166pp £15.00 Download Report (PDF)
182. Armitage, M.J.S., Burton, N.H.K. & Rehfisch, M.M. Publication Date: 1997. The abundance and distribution of waterfowl within Milford Haven after the Sea Empress Oil Spill. ISBN: 0-903793-87-3 124pp £10.00 Download Report (PDF)
181. Gregory, R.D., Bashford, R.I., Balmer, D.E., Marchant, J.H., Wilson, A.M. & Baillie, S.R. Publication Date: 1997. Breeding Bird Survey 1995-1996. Report No. 2. ISBN: 0-903793-79-2 16pp Download Report
179. Holloway, S. Publication Date: 1997. Winter distribution and disturbance of wildfowl and waders on Findhorn Bay. ISBN: 0-903793-89-X 136pp £10.00 Download Report (PDF)
178. Musgrove, A.J. & Holloway, S.J. Publication Date: 1997. Counting waterfowl on large estuaries at low tide. ISBN: 0-903793-82-2 42pp £5.00 Download Report (PDF)
177. Toms, M.P. Publication Date: 2001. Project Barn Owl - evaluation of an annual monitoring programme. ISBN: 1-902576-36-5 38pp £5.00 Download Report (PDF)
176. Marchant, J.H., Wilson, A.M., Chamberlain, D.E., Gregory, R.D. & Baillie, S.R. Publication Date: 1997. Opportunistic bird species - enhancements for the monitoring of populations. 70pp £5.00 Download Report (PDF)
175. Balmer, D.E. & Peach, W.J. Publication Date: 1996. Review of natural avian mortality rates. ISBN: 0-903793-83-0 27pp £2.50 Download Report (PDF)
174. Burton, N.H.K., Toomer, D.K., Balmer, D.E., Rehfisch, M.M. & Clark, N.A. Publication Date: 1997. The effect of the Cardiff Bay Barrage on waterfowl populations 7. Distribution and movement studies August 1995 - May 1996. ISBN: 1-902576-86-1 136pp £10.00 Download Report (PDF)

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