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Abstract

Antarctic krill (Euphausia superba) are swarming, oceanic crustaceans, up to two inches long,and best known as prey for whales and penguins – but they have another important role. Withtheir large size, high biomass and daily vertical migrations they transport and transformessential nutrients, stimulate primary productivity and influence the carbon sink. Antarctickrill are also fished by the Southern Ocean’s largest fishery. Yet how krill fishing impactsnutrient fertilisation and the carbon sink in the Southern Ocean is poorly understood. Oursynthesis shows fishery management should consider the influential biogeochemical role ofboth adult and larval Antarctic krill.

Item Type:	Article
Authors/Creators:	Cavan, EL and Belcher, A and Atkinson, A and Hill, SL and Kawaguchi, S and McCormack, S and Meyer, B and Nicol, S and Ratnarajah, L and Schmidt, K and Steinberg, DK and Tarling, GA and Boyd, PW
Keywords:	Antarctic krill, biogeochemical cycles, Southern Ocean, fishery management
Journal or Publication Title:	Nature Communications
Publisher:	Nature Publishing Group
ISSN:	2041-1723
DOI / ID Number:	https://doi.org/10.1038/s41467-019-12668-7
Copyright Information:	© 2019. The Authors. This article is licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) License, (https://creativecommons.org/licenses/by/4.0/), which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Related URLs:	Google Scholar: Cavan, EL UTAS Profile: Cavan, EL UTAS Profile: Nicol, S Google Scholar: Boyd, PW UTAS Profile: Boyd, PW
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