From Australian Oceans Data Network
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Southern elephant seal demography

Created 23/06/2025

Updated 23/06/2025

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The Southern Ocean has been disproportionately affected by climate change and is therefore an ideal place to study the influence of changing environmental conditions on ecosystems. Changes in the demography of predator populations are indicators of broader shifts in food-web structure, but long-term data are required to study these effects. Southern elephant seals (Mirounga leonina) from Macquarie Island have consistently decreased in population size while all other major populations across the Southern Ocean have recently stabilised or are increasing. Two long-term mark-recapture studies (1956-1967 and 1993-2009) have monitored this population, which provides an opportunity to investigate demographic performance over a range of climatic conditions. This provides insights on individual vital rates of known-age seals from Macquarie Island over extensively long timeseries.

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Additional Info

Field Value
Title Southern elephant seal demography
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/03cbd7d7-083e-451d-818f-fbe9aa726a84
Contact Point
Australian Ocean Data Network
svolzke@utas.edu.au
Reference Period 01/01/1951
Geospatial Coverage
Map data © OpenStreetMap contributors
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      ],
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      ],
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      ],
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    ]
  ],
  "type": "Polygon"
}
Data Portal Australian Oceans Data Network

Data Source

This dataset was originally found on Australian Oceans Data Network "Southern elephant seal demography". Please visit the source to access the original metadata of the dataset:
https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/southern-elephant-seal-demography