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Direct effects of climate change on the Antarctic krill fishery

journal contribution
posted on 2023-05-17, 06:52 authored by So KawaguchiSo Kawaguchi, Stephen Nicol, Anthony PressAnthony Press
Climate change is predicted to affect marine fisheries, but these effects are usually considered to be indirect, for example through distributional changes in fish populations (Perry, Low, Ellis & Reynolds 2005), changes in marine biodiversity (Cheung, Lam, Sarmiento, Kearney, Watson & Pauly 2009) or changes in oceanic productivity (Sharp 2003). This article shows that in Antarctic waters, there is already evidence of direct effects of the changing physical environment – the duration of sea ice cover – on the seasonal behaviour of the region's largest fishery, that for Antarctic krill, Euphausia superba (Kock, Reid,Croxall & Nicol 2007). Declining sea ice cover in the main krill fishing grounds has resulted in greater accessibility of krill stocks to the fishing fleets, particularly during winter, and this change in fishing behaviour will need careful management in an era of rapid ecological change.

History

Publication title

Fisheries Management and Ecology

Volume

16

Issue

5

Pagination

424-427

ISSN

0969-997X

Department/School

Institute for Marine and Antarctic Studies

Publisher

Blackwell Publishing Ltd

Place of publication

9600 Garsington Rd, Oxford, England, Oxon, Ox4 2Dg

Repository Status

  • Restricted

Socio-economic Objectives

Antarctic and Southern Ocean oceanic processes

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