The Isle of May long-term study (IMLOTS) seabird annual breeding success 1982-2024

https://doi.org/10.5285/2e0b5dac-651e-4026-8bd2-2a1da38606d6

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This dataset is available under the terms of the Open Government Licence

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This dataset contains calculated breeding success rates for six seabird species from representative colonies on the Isle of May, off the East coast of Scotland. Annual breeding success has been measured as the number of chicks fledged per active nest for the Atlantic puffin (Fratercula arctica, since 1982), common guillemot (Uria aalge, since 1982), razorbill (Alca torda, since 1982), European shag (Gulosus aristotelis, since 1987), black-legged kittiwake (Rissa tridactyla, since 1987) and northern fulmar (Fulmarus glacialis, since 1987).

This research was supported by NERC, through the UK Status, Change and Projections of the Environment (UK-SCAPE) programme NE/R016429/1 and the UKCEH National Capability for UK Challenges Programme NE/Y006208/1.

Publication date: 2025-07-23

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View numbers valid from 23 July 2025 Download numbers valid from 23 July 2025 (information prior to this was not collected)

Format

Comma-separated values (CSV)

Spatial information

Study area

Spatial representation type

Tabular (text)

Spatial reference system

OSGB 1936 / British National Grid

Temporal information

Temporal extent

1982-01-01 to 2024-12-31

Provenance & quality

All fieldwork, sampling and data handling was carried out by experienced and trained staff to defined protocols agreed to meet the objectives of the work. All data was collected in the field in notebooks and field data sheets. These were transcribed to spreadsheets after each check was made and files backed up to UKCEH directories. As hatching and fledging dates were known the data recorded on spreadsheets were checked for inconsistencies. Any potential errors were then checked in the field. All notebooks and field sheets are archived at UKCEH Edinburgh.

Licensing and constraints

This dataset is available under the terms of the Open Government Licence

Cite this dataset as:

Newell, M.A.; Harris, M.P.; Wanless, S.; Burthe, S.J.; Bogdanova, M.; Gunn, C.M.; Hewitt, J.; Taylor, E.; Daunt, F. (2025). The Isle of May long-term study (IMLOTS) seabird annual breeding success 1982-2024. NERC EDS Environmental Information Data Centre. https://doi.org/10.5285/2e0b5dac-651e-4026-8bd2-2a1da38606d6

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