From Australian Oceans Data Network
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Health and Status of Seagrass in Cockburn Sound, Owen Anchorage and Warnbro Sound: 1998 to 2008

Created 23/06/2025

Updated 23/06/2025

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Since 1998, a survey of seagrass health has been repeated annually between Stragglers Rocks and Warnbro Sound in the Perth metropolitan waters, in January, on behalf of DEC (Department of Environment and Conservation) and CSMC (Cockburn Sound Management Council). The survey has incorporated measurements of several quantitative variables at each assessment site, and also established a series of permanent transects over the lower depth limit of seagrass meadows at four different sites. Parameters measured (some were measured only in some years) include: - Seagrass shoot density - Shoot height (maximum) - Shoot height (average) - Leaf productivity - Seagrass above ground biomass - Epiphyte biomass - Photoquadrats - Photography of leaves - Video transect - Videography of leaves - Canopy cover (%) - Meadow cover (%) - Epiphyte cover (%) - Epiphyte composition - Rhizome mat - Coloniser species

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Additional Info

Field Value
Title Health and Status of Seagrass in Cockburn Sound, Owen Anchorage and Warnbro Sound: 1998 to 2008
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/4f3d2796-e576-4b15-8fca-3a4d91a5ed31
Contact Point
Australian Ocean Data Network
csmc@dec.wa.gov.au
Reference Period 02/01/1998 - 01/02/2008
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        115.6,
        -32.4
      ],
      [
        115.75,
        -32.4
      ],
      [
        115.75,
        -32.05
      ],
      [
        115.6,
        -32.05
      ],
      [
        115.6,
        -32.4
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Australian Oceans Data Network

Data Source

This dataset was originally found on Australian Oceans Data Network "Health and Status of Seagrass in Cockburn Sound, Owen Anchorage and Warnbro Sound: 1998 to 2008". Please visit the source to access the original metadata of the dataset:
https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/health-and-status-of-seagrass-in-cockburn-sound-owen-anchorage-and-warnbro-sound-1998-to-20081