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A Southern Ocean dietary database


Raymond, B and Marshall, M and Nevitt, G and Gillies, CL and van den Hoff, J and Stark, JS and Losekoot, M and Woehler, EJ and Constable, AJ, A Southern Ocean dietary database, Ecology, 92, (5) pp. 1188. ISSN 0012-9658 (2011) [Contribution to Refereed Journal]

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Knowledge of the trophic functioning of Southern Ocean ecosystems is critical to their understanding and management. Marine ecosystem models, often used to explore the potential impacts of human disturbance and climate change, and for fisheries stock assessments, generally rely on suitable data to underpin the parameterization of taxon attributes and diets. Diet-related data from published and unpublished data sets and studies were collated into a single consistent data set, circum-Antarctic in scope, with two principal tables. The first table relates to direct sampling methods of dietary assessment, including gut, scat, and bolus content analyses, stomach flushing, and observed feeding. It currently comprises ;25 000 records from 300 studies and includes information on .1000 taxa. The second table is a compilation of stable isotope values (currently 1500 records from 20 studies, covering 200 taxa). Each record in these two tables includes details such as the location and date of sampling, predator size and mass, prey size and mass, and estimates of dietary importance. We envisage that these data will be of interest to research groups specializing in Antarctic and Southern Ocean studies, as well as those interested in general marine trophic ecology and food web analyses.

Item Details

Item Type:Contribution to Refereed Journal
Keywords:Antarctica, diet, predator, prey, Southern Ocean, stable isotope, trophic functioning, dietary database
Research Division:Biological Sciences
Research Group:Ecology
Research Field:Marine and estuarine ecology (incl. marine ichthyology)
Objective Division:Environmental Management
Objective Group:Terrestrial systems and management
Objective Field:Assessment and management of terrestrial ecosystems
UTAS Author:Raymond, B (Dr Ben Raymond)
UTAS Author:Marshall, M (Mrs Michelle Marshall)
UTAS Author:Stark, JS (Dr Jonathan Stark)
UTAS Author:Woehler, EJ (Dr Eric Woehler)
UTAS Author:Constable, AJ (Dr Andrew Constable)
ID Code:76781
Year Published:2011
Deposited By:Zoology
Deposited On:2012-03-13
Last Modified:2012-09-12
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