Journal article
A census of breeding Manx shearwaters on the Pembrokeshire Islands of Skomer, Skokholm and Midland in 2018
- Abstract:
- We present the results of a census of the Manx Shearwaters Puffinus puffinus nesting on the three Pembrokeshire islands of Skomer, Skokholm and Midland (formerly Middleholm), Pembrokeshire, undertaken in 2018. The breeding population estimates were largely in line with those made in 2011-2013, but differed markedly from 1998; this difference seems to be due to the different methods used in 1998 rather than any marked change in population size. Despite attempts to refine the estimation of response rate to call playback, the error of the population estimates remains large, illustrating the logistical and analytical challenges of making seabird censuses using call playback. Nonetheless, the population estimates are large and the spatial distribution of occupied burrows is consistent between censuses, and thus Wales may hold more than half of the world’s breeding population of Manx Shearwaters.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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- Files:
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(Preview, Accepted manuscript, pdf, 744.7KB, Terms of use)
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- Publication website:
- http://www.seabirdgroup.org.uk/seabird-32-106
Authors
- Publisher:
- Seabird Group
- Journal:
- Seabird More from this journal
- Volume:
- 32
- Issue:
- 2019
- Pages:
- 106–118
- Publication date:
- 2020-10-01
- Acceptance date:
- 2020-04-18
- ISSN:
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1757-5842
- Language:
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English
- Keywords:
- Pubs id:
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1100932
- Local pid:
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pubs:1100932
- Deposit date:
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2020-04-22
- ARK identifier:
Terms of use
- Copyright holder:
- Perrins et al.
- Copyright date:
- 2020
- Rights statement:
- © The Author(s) 2020
- Notes:
- This is the accepted manuscript version of the article. The final version is available from Seabird at: http://www.seabirdgroup.org.uk/seabird-32-106
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