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A mass-balanced ecosystem model for the Kerguelen Plateau
Citation
Subramaniam, RS and Pinkerton, MH and Melbourne-Thomas, J and Corney, SP and Swadling, KM and Pruvost, P, A mass-balanced ecosystem model for the Kerguelen Plateau, The Kerguelen Plateau: marine ecosystem and fisheries. Proceedings of the Second Symposium, November 2017, Hobart, Tasmania, pp. 81-91. ISBN 9781876934309 (2019) [Refereed Conference Paper]
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Copyright Statement
Copyright 2017 The Department of the Environment and Energy, Australian Antarctic Division
Official URL: http://heardisland.antarctica.gov.au/research/kerg...
Abstract
Ecosystem models are useful tools for making informed management decisions regarding
the potential effects of environmental change and fishing activity on Southern Ocean
ecosystems. Recent work has successfully updated an existing Ecopath model for the
Kerguelen exclusive economic zone from an unbalanced to a balanced model state (where
energy inputs equal outputs). This balanced model details food-web dynamics in the
Kerguelen Island region using species biomass and diet information. In this paper we
present this balanced model as well as an evaluation of food-web structure and function
using tools found in Ecopath. Energy flows in the model suggest that the Kerguelen Island
food web is smaller and more mature than other sub-Antarctic food webs and the impacts
of direct and indirect interactions on functional groups highlighted the importance of
cephalopods in the food web. This model is currently undergoing an expansion to include
the entire northern region of the Kerguelen Plateau.
Item Details
| Item Type: | Refereed Conference Paper |
|---|---|
| Keywords: | Kerguelen Plateau, Ecopath, ecosystem model, food web, fishing |
| Research Division: | Biological Sciences |
| Research Group: | Ecology |
| Research Field: | Marine and Estuarine Ecology (incl. Marine Ichthyology) |
| Objective Division: | Environment |
| Objective Group: | Ecosystem Assessment and Management |
| Objective Field: | Ecosystem Assessment and Management of Antarctic and Sub-Antarctic Environments |
| UTAS Author: | Subramaniam, RS (Miss Roshni Subramaniam) |
| UTAS Author: | Melbourne-Thomas, J (Dr Jessica Melbourne-Thomas) |
| UTAS Author: | Corney, SP (Dr Stuart Corney) |
| UTAS Author: | Swadling, KM (Associate Professor Kerrie Swadling) |
| ID Code: | 134699 |
| Year Published: | 2019 |
| Deposited By: | Oceans and Cryosphere |
| Deposited On: | 2019-08-29 |
| Last Modified: | 2019-10-23 |
| Downloads: | 1 View Download Statistics |
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