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7. Dunes, Marsh, Beaches - Gellions Run

This information has been developed from the publications:

  • Sites of Geological and Geomorphological Significance in Central Gippsland (1981) by Neville Rosengren, M.S McRae-Williams and S.M Kraemers,
  • Sites of Geological and Geomorphological Significance on the Coast of Port Phillip Bay and in the Catchment of Westernport Bay (1984, 88) by Neville Rosengren.
  • Sites of Geological and Geomorphological Significance in the South Gippsland Marine and Coastal Parks (1989) by Neville Rosengren.
Geological heritage sites, including sites of geomorphological interest and volcanic heritage sites, are under regular revision by the Geological Society of Australia, especially in the assessment of significance and values. Reference should be made to the most recent reports. See the Earth Science Heritage (external link) section of the Geological Society of Australia website for details of geological heritage reports, and a bibliography.

Location:680195 to 700205. South-eastern shoreline of Gellions Run.
Image: West Gippsland Sites of Significance
Sand cheniers and spits replacing mangroves on tidal flats - eastern end of Gellions Run.

Access:

Unformed tracks off Old Welshpool Road in Gellions Run.

Ownership:

Crown Land.

Geology/Geomorphology:

Gellions Run is a complex of eroded older barrier dunes with inter-dune swamps and shallow or dry lakes. The south-eastern shoreline (facing Midge Channel) is fringed by a wide saltmarsh and mangrove zone but this is being modified by erosion and sand deposition by tidal flow in the estuary of the Albert River. In the site selected, a high dune ridge is representative of the older barrier terrain. In front of this is a wide marsh which shows distinct vegetation zonation –
Melaleuca ericifolia, Juncus maritimus, Arthrocnemum and Salicornia marsh with Avicennia marina on the seaward edge.

North-east – towards the Albert estuary – the marsh has been eroded in places and mangroves are being buried by sand spits and cheniers moved by tidal currents and wave action at high tide.

Significance:

Regional. The site displays a clear and little modified example of the older barrier terrain. The dynamics of the salt marsh-mangrove zone are typical of the changes that are taking place in the tidal inlets where sand is mobilised by tides and wave action.

Management:

To avoid disturbance to the dune terrain, clearing of scrub or road building should not be permitted at this site.

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