Discovery Metadata System

Annual samples and measurements of diet composition of chinstrap penguins at Signy Island, from 1997 to 2020.
GB/NERC/BAS/PDC/01550

Summary

Abstract:
This dataset captures information on the diet composition and mass of chinstrap penguin stomach contents at Signy Island, from 1997 to 2020. The monitoring period occurred over four weeks each year and involved sampling adults returning to feed their chicks during the creche period. Sampling took place approximately every five days. Numbers of birds sampled on each occasion varied over the entire period of the dataset from a maximum of eight to a minimum of six, equating to an annual maximum of forty birds and an annual minimum of thirty, depending on the year. All adult penguins were sampled on their return to the colony using the stomach lavage methodology specified in CCAMLR CEMP Standards Methods A8A. The stomach samples were then weighed and categorised into krill, cephalopods, fish and non-food and identified to species level where possible. Krill carapaces and otoliths were removed and measured.

Ecosystems component of BAS Polar Science for Planet Earth Programme, funded by NERC.

Keywords:
Antarctic krill, Chinstrap penguin, Diet, Euphausia superba, Pygoscelis antarcticus

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Citation

Dunn, M., Waluda, C., Adlard, S., Lynnes, A., Morley, T., & Fox, D. (2022). Annual samples and measurements of diet composition of chinstrap penguins at Signy Island, from 1997 to 2020. (Version 1.0) [Data set]. NERC EDS UK Polar Data Centre. https://doi.org/10.5285/95e38251-797c-495a-abc0-40a613599759

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