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Dugong Distribution and Relative Density, Northeast Australia

We use a 20-year time series of systematic aerial surveys of dugong (Dugong dugong) abundance to create spatially-explicit models of dugong distribution and relative density at the scale of the coastal waters of northeast Australia (136,000 km2). We interpolated the corrected data at the scale of 2 km * 2 km planning units using geostatistics. Planning units were classified as low (1), medium (2), high (3) and very high (4) dugong density on the basis of the relative density of dugongs estimated from the models and a frequency analysis.
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    Data record related to this publication Dugong Distribution and Relative Density, Northeast Australia
    Data Publication title Dugong Distribution and Relative Density, Northeast Australia
  • Description

    We use a 20-year time series of systematic aerial surveys of dugong (Dugong dugong) abundance to create spatially-explicit models of dugong distribution and relative density at the scale of the coastal waters of northeast Australia (136,000 km2). We interpolated the corrected data at the scale of 2 km * 2 km planning units using geostatistics. Planning units were classified as low (1), medium (2), high (3) and very high (4) dugong density on the basis of the relative density of dugongs estimated from the models and a frequency analysis.

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    • Descriptor

      Funding for these surveys was obtained from the following government agencies: - Great Barrier Reef Marine Park Authority (GBRMPA), - Department of Environment and Resource Management (DERM), - Australian Marine Mammal Centre (AMMC), - Torres Strait Regional Authority (TSRA), - Australian Fisheries Management Authority (AFMA), - Marine and Tropical Sciences Research Facility (MTSRF), - National Environmental Research Program (NERP). Data is stored in ARC/INFO Grid files.

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      Descriptor type Note
    • Descriptor
      • Descriptor type Full
    • Data type dataset
  • Keywords
    • relative density
    • Moreton Bay
    • Gove Peninsula
    • aerial surveys
    • Northeast Australia
    • ARC Centre of Excellence for Coral Reef Studies
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    • Research themes
    Tropical Ecosystems, Conservation and Climate Change
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  • Locations
    • Moreton Bay, Queensland - Gove Peninsula, Northern Territory
- Data
    Data Locations

    Type Location Notes
    Physical Location ARC Centre of Excellence for Coral Reef Studies, James Cook University, Townsville QLD 4811, Australia, Tel: +61 7 47815222
    Attachment Dugong_Model.zip
    The Data Manager is: Susan Sobtzick
    College or Centre
    Access conditions Open: free access under license
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    The data will be licensed under CC BY: Attribution 3.0 AU
  • Other Licence
    • Statement of rights in data This dataset is made available under the Creative Commons Attribution Australian licence.
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- Citation
    Citation Grech, Alana; Marsh, Helene (2012): Dugong Distribution and Relative Density, Northeast Australia. James Cook University. https://research.jcu.edu.au/data/published/25568bc18ea7cbcd5c99578d04473aaf