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Seagrass distribution and species c1990 (Rees, 1994)

Created 25/06/2025

Updated 25/06/2025

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The five species of seagrass occuring around the coast of Tasmania were located on a presence-absence basis. Sampling included the recording of species, depth, density, substratum and presence of algal epiphytes. Available aerial photography from three time periods (circa 1950, circa 1970 and circa 1990) was used to digitally map selected beds into a GIS using ARC/INFO. Sample site attributes were added to the database and patterns of change and distribution were analysed and mapped. An area of approx. 220 square kilometres was mapped leading to an estimate of between 400 and 500 square kilometres of seagrass occurring in Tasmania. Decline has occurred, particularly close to areas of human population and activity. The report proposes mechanisms for the management and protection of Tasmania's seagrass communities, and nominates representative areas for possible reserve status. Reference: Rees, CG 1994 Tasmanian Seagrass Communities, Masters Thesis, Centre for Environmental Studies, Department of Geography and Environmental Studies, University of Tasmania. Department of Geography and Environmental Studies, University of Tasmania.

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Additional Info

Field Value
Title Seagrass distribution and species c1990 (Rees, 1994)
Language English
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/4adae477-cce6-4fbe-b76f-02a282d4b1e1
Contact Point
Tasmania Government's The List Data
support@naturalvaluesatlas.tas.gov.au
Reference Period 01/01/1990
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        143.5,
        -44.0
      ],
      [
        149.0,
        -44.0
      ],
      [
        149.0,
        -39.2
      ],
      [
        143.5,
        -39.2
      ],
      [
        143.5,
        -44.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Tasmania TheList

Data Source

This dataset was originally found on Tasmania TheList "Seagrass distribution and species c1990 (Rees, 1994)". Please visit the source to access the original metadata of the dataset:
https://data.thelist.tas.gov.au/datagn/srv/eng/csw/dataset/seagrass-distribution-and-species-c1990-rees-1994