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Grasslands of South East Australian Coastal Headlands 2018. VIS_ID 5134.

Created 24/06/2025

Updated 18/10/2025

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This polygon dataset contains areas of maritime grasslands identified by satellite imagery and ground truthing in 2018. This mapping was produced by Dr. John T. Hunter as part of a self-led project to produce hierarchical classification of grasslands on coastal headlands of New South Wales in eastern Australia. Original mapping was based on 50cm and 1m resolution satellite imagery and later ground truth. Not all grassland sites were visited for ground truth. Regarding the presence of Themeda triandra, Hunter stated in email correspondence that "there are patches down to Bega that are Themeda dominant but they are not whole headlands. As you move north the headlands are almost entirely Themeda (except Little Broughton Island which is Poa dominated like most of those in the south)." In mapped grasslands not dominated by Themeda, "other grassland types, particularly Poa, Microlaena, Cynodon may be the more common type". Areas not found to be Themeda dominated were also noted by Hunter to be rare and worthy of legislative protection. Further information on the methodology and the survey's findings can be found in the paper "Grasslands on Coastal Headlands in New South Wales, south eastern Australia" included in the resources. For internal users paper is stored in: P:\Corporate\Products\Vegetation\VegClassification\GrasslandsCoastalHeadlands NB. Because this vegetation layer contains a Threatened Ecological Community (Themeda Grassland) an additional layer file sits under P:\Corporate\Layers\Biodiversity\EcologicalCommunities for discoverability. VIS ID 5134

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Additional Info

Field Value
Title Grasslands of South East Australian Coastal Headlands 2018. VIS_ID 5134.
Language English
Licence Creative Commons Attribution 3.0 Australia
Landing Page https://data.gov.au/data/en/dataset/51085d12-4324-4982-9871-a59b8a66ce7e
Remote Last Updated 09/10/2025
Contact Point
NSW Department of Climate Change, Energy, the Environment and Water
?datansw@customerservice.nsw.gov.au
Reference Period 18/01/2018 - 19/01/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        149.56787,
        -37.40344
      ],
      [
        149.56787,
        -28.31125
      ],
      [
        153.83057,
        -28.31125
      ],
      [
        153.83057,
        -37.40344
      ],
      [
        149.56787,
        -37.40344
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal DataNSW

Data Source

This dataset was originally found on DataNSW "Grasslands of South East Australian Coastal Headlands 2018. VIS_ID 5134.". Please visit the source to access the original metadata of the dataset:
https://data.nsw.gov.au/data/dataset/nsw-grasslands-coastal-headlands-2018-vis-5134