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Climate change cascades: Shifts in oceanography, species' ranges and subtidal marine community dynamics in eastern Tasmania


Johnson, CR and Banks, SC and Barrett, NS and Cazassus, F and Dunstan, PK and Edgar, GJ and Frusher, SD and Gardner, C and Haddon, M and Helidoniotis, F and Hill, KL and Holbrook, NJ and Hosie, GW and Last, PR and Ling, SD and Melbourne-Thomas, J and Miller, K and Pecl, GT and Richardson, AJ and Ridgway, KR and Rintoul, SR and Ritz, DA and Ross, DJ and Sanderson, JC and Shepherd, SA and Slotwinski, A and Swadling, KM and Taw, N, Climate change cascades: Shifts in oceanography, species' ranges and subtidal marine community dynamics in eastern Tasmania, Journal of Experimental Marine Biology and Ecology, 400, (1-2) pp. 17-32. ISSN 0022-0981 (2011) [Refereed Article]

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DOI: doi:10.1016/j.jembe.2011.02.032


Several lines of evidence show that ocean warming off the east coast of Tasmania is the result of intensification of the East Australian Current (EAC). Increases in the strength, duration and frequency of southward incursions of warm, nutrient poor EAC water transports heat and biota to eastern Tasmania. This shift in large scale oceanography is reflected by changes in the structure of nearshore zooplankton communities and other elements of the pelagic system; by a regional decline in dthe extent of dense beds of giant kelp (Mactosystis pyrifera;by marked changes in the distribution of nearshore fishes; and by range expansions of other northern warmer water species to colonise Tasmanian coastal waters. Population-level changes in commercially important invertebrate species may also be associated with the warming trend.

Item Details

Item Type:Refereed Article
Research Division:Earth Sciences
Research Group:Oceanography
Research Field:Physical Oceanography
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Environmental Sciences
Author:Johnson, CR (Professor Craig Johnson)
Author:Barrett, NS (Associate Professor Neville Barrett)
Author:Cazassus, F (Miss Fabienne Cazassus)
Author:Dunstan, PK (Dr Piers Dunstan)
Author:Edgar, GJ (Professor Graham Edgar)
Author:Frusher, SD (Professor Stewart Frusher)
Author:Gardner, C (Professor Caleb Gardner)
Author:Helidoniotis, F (Dr Fay Helidoniotis)
Author:Holbrook, NJ (Professor Neil Holbrook)
Author:Ling, SD (Dr Scott Ling)
Author:Melbourne-Thomas, J (Dr Jessica Melbourne-Thomas)
Author:Miller, K (Dr Karen Miller)
Author:Pecl, GT (Professor Gretta Pecl)
Author:Ritz, DA (Associate Professor David Ritz)
Author:Ross, DJ (Dr Jeff Ross)
Author:Sanderson, JC (Dr Craig Sanderson)
Author:Slotwinski, A (Miss Anita Slotwinski)
Author:Swadling, KM (Dr Kerrie Swadling)
Author:Taw, N (Mr Nyan Taw)
ID Code:69667
Year Published:2011
Web of Science® Times Cited:227
Deposited By:Geography and Environmental Studies
Deposited On:2011-05-12
Last Modified:2017-10-27
Downloads:17 View Download Statistics

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