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Utilisation of the introduced New Zealand screwshell (Maoricolpus roseus) by native hermit crabs in eastern Tasmania - spatial variability in occupancy

Created 23/06/2025

Updated 23/06/2025

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Interactions between native and introduced species can help to elucidate the impact of exotic species on the broader community. This work examines utilisation of an introduced gastropod, the New Zealand screwshell (Maoricolpus roseus) by native hermit crabs in eastern Tasmania. Samples of screwshells were collected from Bass Strait, Maria Island, Pirates Bay and Dennes Point using a modified scallop dredge or collected by divers. Site location, date, depth, dredge opening size were recorded, and random sub-samples of shells were measured for length and width, and spire damage was scored. Hermit crabs, if present, were identified to species, sexed and measured.

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Field Value
Title Utilisation of the introduced New Zealand screwshell (Maoricolpus roseus) by native hermit crabs in eastern Tasmania - spatial variability in occupancy
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/f83521f1-c731-4295-9505-a5e701451b67
Contact Point
Australian Ocean Data Network
Anthony.Reid@dpipwe.tas.gov.au
Reference Period 01/01/2003 - 01/01/2003
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        147.1,
        -43.2
      ],
      [
        148.5,
        -43.2
      ],
      [
        148.5,
        -39.2
      ],
      [
        147.1,
        -39.2
      ],
      [
        147.1,
        -43.2
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Australian Oceans Data Network

Data Source

This dataset was originally found on Australian Oceans Data Network "Utilisation of the introduced New Zealand screwshell (Maoricolpus roseus) by native hermit crabs in eastern Tasmania - spatial variability in occupancy". Please visit the source to access the original metadata of the dataset:
https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/utilisation-of-the-introduced-new-zealand-screwshell-maoricolpus-roseus-by-native-hermit-crabs-