Chinstrap penguin nesting density on Zavodovski Island, South Sandwich Islands, January 2011
GB/NERC/BAS/PDC/02263
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Summary
Abstract:
These data represent the nesting densities of chinstrap penguins on Zavodovski Island, South Sandwich Islands 10-13 January 2011. Counts of the number of nesting birds were made within 49 sub-colonies. They were collected to allow extrapolation of nesting density to the total area occupied by chinstrap penguins on the island, as estimated from digitisation of satellite imagery. The data were collected by a team lead by Heather Lynch from Stonybrook University, USA.
The work was funded by the Tinker Foundation and the Jeniam Foundation for financial support contributing to the expedition, and HL would like to acknowledge the US National Science Foundation Office of Polar Programs and Geography and Spatial Sciences (Award Nos. 07-39515 and 12-55058) for financial support of the data analysis.
Keywords:
South Sandwich Islands, Zavodovski Island, chinstrap penguin, nesting density, population survey
Citation
Ratcliffe, N., Lynch, H., Black, A., White, R., & Hart, T. (2026). Chinstrap penguin nesting density on Zavodovski Island, South Sandwich Islands, January 2011 (Version 1.0) [Data set]. NERC EDS UK Polar Data Centre. https://doi.org/10.5285/96febb5d-1821-4f49-9b5f-32e489ae3839
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ASSOCIATED DATA SET(S)
- https://doi.org/10.5285/459597b2-ca0c-4110-b59c-62490867f348
- https://doi.org/10.5285/529808a4-3967-49fe-abf6-fdb4fe5a7e5e
- https://doi.org/10.5285/7220dc6b-2f52-4160-a6c0-e57c50963308
- https://doi.org/10.5285/e2f65907-7aaa-4a45-917c-6f31ca644ad6
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REFERENCE MATERIALS
Constraints
| Access Constraints: | None |
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| Use Constraints: | This data is governed by the NERC data policy http://www.nerc.ac.uk/research/sites/data/policy/ and supplied under Open Government Licence v.3 http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/. |
Basic Information
| Creation Date: | 2026-08-17 |
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| Dataset Progress: | Complete |
| Dataset Language: | English |
| ISO Topic Categories: |
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| Parameters: |
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| Personnel: | |
| Name | UK Polar Data Centre |
| Role(s) | Metadata Author |
| Organisation | British Antarctic Survey |
| Name | Dr Norman Ratcliffe |
| Role(s) | Investigator, Technical Contact |
| Organisation | British Antarctic Survey |
| Name | Dr Heather Lynch |
| Role(s) | Investigator |
| Organisation | Stony Brook University |
| Name | Andy Black |
| Role(s) | Investigator |
| Organisation | Government of South Georgia and the South Sandwich Islands |
| Name | Richard White |
| Role(s) | Investigator |
| Organisation | Oceanites |
| Name | Dr Tom Hart |
| Role(s) | Investigator |
| Organisation | Oxford Brookes University |
| Parent Dataset: | N/A |
Additional Information
| Reference: | Associated publications: Ratcliffe et al. 2026. Population declines and changes in community composition at the world's largest penguin colony. Current Biology. In press. Lynch, H.J., White, R., Naveen, R., Black, A., Meixler, M.S. and Fagan, W.F., 2016. In stark contrast to widespread declines along the Scotia Arc, a survey of the South Sandwich Islands finds a robust seabird community. Polar Biology, 39(9), pp.1615-1625. https://doi.org/10.7282/T3N58PHR Reference materials: Croxall JP, Kirkwood ED (1979) The distribution of penguins on the Antarctic Peninsula and islands of the Scotia Sea. British Antarctic Survey, Cambridge |
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| Quality: | The quality of the counts were scored as N1, which equates to an accuracy of within 5%, based on a standard ordinal score used in penguin censuses (Croxall et al., 1979). | |
| Lineage/Methodology: | Zavodovski Island was visited between 10th and 13th of January by a team of biologists led by Heather Lynch and supported by the yacht "Golden Fleece". Daily landings were made by inflatable boat on the south coast near Fume Point. Counts of apparently occupied nests (defined as a bird at a nest scrape in an incubating or brooding posture) were made by standing at the edge of the colony scanning systematically while recording nests on a tally counter. The areas of the colony were digitised from a WorldView-2 satellite image of the island taken on 8th January 2011. Densities were calculated as number of occupied nests divided by sub-colony area. | |
Locality
| Temporal Coverage: | |
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| Start Date | 2011-01-08 |
| End Date | 2011-01-13 |
| Spatial Coverage: | |
| Latitude | |
| Southernmost | -56.321 |
| Northernmost | -56.277 |
| Longitude | |
| Westernmost | -27.615 |
| Easternmost | -27.539 |
| Altitude | |
| Min Altitude | N/A |
| Max Altitude | N/A |
| Depth | |
| Min Depth | N/A |
| Max Depth | N/A |
| Location: | |
| Location | South Sandwich Islands |
| Detailed Location | Zavodovski Island |
Instrumentation
| Source(s): |
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| Data Collection: | Digitised colony boundaries used to calculate area can be found at https://doi.org/10.5285/7220dc6b-2f52-4160-a6c0-e57c50963308, in the directory satellite-derived_data/mac_and_chinstrap_colony_boundaries_2011.shp. The original satellite image is the property of Vantor, so users seeking to acquire this will need to purchase the image directly from this company. |
Storage
| Data Storage: | 1x .csv file, 5KB |
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