In South Australia there are 11 ecological communities listed as nationally threatened under the Environment Protection and Biodiversity Conservation Act 1999:

Buloke Woodlands of the Riverina and Murray-Darling Depression Bioregions

Buloke Woodlands of the Riverina and Murray-Darling Depression Bioregions

Eyre Peninsula Blue Gum (Eucalyptus petiolaris) Woodland

Eyre Peninsula Blue Gum (Eucalyptus petiolaris) Woodland

Photo credit: Iggy Honan

Giant Kelp Marine Forests of South East Australia

Giant Kelp Marine Forests of South East Australia

Photo credit: Simon Bryars

Grey Box (Eucalyptus microcarpa) Grassy Woodlands and Derived Native Grasslands of South-Eastern Australia

Grey Box (Eucalyptus microcarpa) Grassy Woodlands and Derived Native Grasslands of South-Eastern Australia

Iron-grass Natural Temperate Grassland of South Australia

Iron-grass Natural Temperate Grassland of South Australia

Kangaroo Island Narrow-Leaved Mallee (Eucalyptus cneorifolia) Woodland

Kangaroo Island Narrow-Leaved Mallee (Eucalyptus cneorifolia) Woodland

Photo credit: Doug Bickerton

Mound springs of the Great Artesian Basin

Mound springs of the Great Artesian Basin - The community of native species dependent on natural discharge of groundwater from the Great Artesian Basin

Peppermint Box (Eucalyptus odorata) Grassy Woodlands in South Australia

Peppermint Box (Eucalyptus odorata) Grassy Woodlands in South Australia

Seasonal Herbaceous Wetlands (Freshwater) of the Temperate Lowland Plains

Seasonal Herbaceous Wetlands (Freshwater) of the Temperate Lowland Plains

Photo credit: Steve Clarke

Subtropical and Temperate Coastal Saltmarsh

Subtropical and Temperate Coastal Saltmarsh

Photo credit: Ron Sandercock

Swamps of the Fleurieu Peninsula

Swamps of the Fleurieu Peninsula

Photo credit: Conservation Council of SA