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Plants

The landscapes of Sydney Olympic Park comprise a mix of recovering remnant vegetation and extensive areas of new plantings on reconstructed landscapes formed after land remediation. These reconstructed landscapes have artificial landforms and soil structures and new patterns of surface and subsurface drainage, which present challenges to plant selection, design and management. 

Remnant Vegetation

Remnant vegetation consists of:

  • the largest contiguous area of estuarine mangrove and saltmarsh wetlands on the Parramatta River
  • 13 hectares of Sydney Turpentine Ironbark Forest, which is listed as an "endangered ecological community under the Threatened Species Conservation Act 1995.

Grey MangroveAreas of remnant vegetation include the woodlands and wetlands of Newington Nature Reserve.

Remnant plant communities are protected, enhanced and actively managed through programs directed at maintaining their unique biodiversity. Detailed vegetation and fauna surveys have been conducted and an ongoing program of bush regeneration and weed management is implemented.
 

Planted vegetation

Plants chosen for reconstructed landscapes were inspired by the remnant and past vegetation of the region. They were repeated across the Park to maintain the essence of an indigenous Australian landscape.  Design was based around the categories of Forest, Woodland, Casuarina, Mangrove, Saltmarsh and Wetland. 

The design process involved simulation of an existent plant and natural conditions comprising of a reasonable distribution of plant species conforming to a patter of planting design categories. This simulation provided the background matrix from which elements such as roads, paths and open space were extracted.

Corridor wetlands

 

Over 9 million native trees, shrubs, grasses, wetland and saltmarsh plants have been progressively planted over the past 10 years.    

A consequence of this unique planting strategy has been the creation of habitat for many locally, nationally and internationally significant birds, frogs and other wildlife.
 

New plantings around the Park have established well, considering the constraints associated with constructed soils. The hardy nature of many native species has meant that they have been able to adapt and persist in the artificial soil structure. As the landscape matures, it is envisaged that relatively self-sustaining plant communities with high visual amenity and habitat value will evolve.