The Greater Blue Mountains was inscribed on the World Heritage List in 2000. The World Heritage criteria against which the Greater Blue Mountains was listed remain the formal criteria for this property. The World Heritage criteria are periodically revised and the criteria against which the property was listed in 2000 may not necessarily be identical with future criteria.
Outstanding examples representing significant on-going ecological and biological processes in the evolution and development of terrestrial, fresh water, coastal and marine ecosystems and communities of plants and animals.
The Greater Blue Mountains provides outstanding examples representing on-going ecological and biological processes significant in the evolution of Australia's highly diverse ecosystems and communities of plants and animals, particularly eucalypt-dominated ecosystems.
The World Heritage values include:
- primitive species with Gondwanan affinities that are of outstanding significance in terms of the evolution of plant life, including the Wollemi Pine (Wollemia nobilis) and the primitive gymnosperm Microstrobus fitzgeraldii;
- a centre of diversification of the eucalypts which provides an outstanding record of the products of evolutionary processes associated with the global climatic changes of the late Tertiary and the Quaternary;
- the highly unusual juxtaposition of diverse scleromorphic species with Gondwanan taxa;
- an exceptional representation of the major eucalypt groups and aspects of their evolution and radiation, including species in the following groups:
- genera: Eucalyptus (including Corymbia) and Angophora;
- subgenera: Eucalyptus, Corymbia and Symphyomyrtus;
- examples of species divergence occurring in a relatively small area, including:
- differentiation of eucalypt taxa in isolation in response to persistent habitat islands (e.g. those associated with sandstone plateaux isolated by deep valleys)
- mutually exclusive distributions of taxa in the series Strictae (the mallee ashes) and Haemostomae (the scribbly ashes) resulting from long-term isolation of breeding populations (allopatric speciation);
- eucalypt taxa demonstrating very high levels of hybridisation;
- representative examples of dynamic processes in eucalypt-dominated ecosystems, including the full range of interactions between eucalypts, understorey, environment and fire, extending from forests with rainforest boundaries to mallee communities with heath boundaries, demonstrating the exceptional ecological amplitude of the eucalypts.
Contain the most important and significant natural habitats for in-situ conservation of biological diversity, including those containing threatened species of outstanding universal value from the point of view of science or conservation.
The Greater Blue Mountains includes significant habitats for in situ conservation of biological diversity, including the eucalypts and eucalypt-dominated communities, taxa with Gondwanan affinities, and taxa of conservation significance. The World Heritage values include:
- outstanding levels of plant diversity expressed at different taxonomic levels (152 families, 484 genera, ca 1500 species) and for all three measures of species diversity (local species richness or "alpha" diversity, species turnover across environmental gradients or "beta" diversity, and regional species richness or "gamma" diversity);
- plant taxa with very high levels of species diversity, including the families - Fabaceae(149 species), Myrtaceae (150 species), Orchideae(77 species), Poaceae(57 species), Asteraceae(69 species), Proteaceae(77 species), Cyperaceae(43 species), and the genera - Eucalyptus (91 species), Acacia (64 species);
- exceptional diversity of habitats that contribute to the property being one of the three most diverse areas on earth for scleromorphic species and the only one of these areas that is dominated by trees and without a Mediterranean climate, including plateau tops, ridges, exposed rocks, cliffs, rocky slopes and sheltered gorges and valleys;
- exceptional diversity of habitats providing outstanding representation of the Australian fauna within a single place, including 400 vertebrate taxa - 52 native mammals, 265 birds or 33 percent of the Australian total, 63 reptiles, more than 30 frogs, and examples of species of global significance such as the platypus (Ornithorhynchus anatinus) and the echidna (Tachyglossus aculeatus aculeatus), and invertebrate taxa - butterflies (120 species) and moths (estimated 4000 species);
- very high diversity of scleromorphic taxa represented within 20 plant families including Myrtaceae, Proteaceae, Epacridaceae, Fabaceae (Faboideae and Mimosoideae), Dilleniaceae, Rutaceae, and Euphorbiaceae (Tribe Stenolobeae);
- ancient, relict species with Gondwanan affinities that have survived past changes of climate within refugia, for example in recessed canyons and perpetually moist areas, including:
- the Wollemi Pine (Wollemia nobilis); and
- the primitive gymnosperm Microstrobus fitzgeraldii;
- other primitive species with Gondwanan affinities, including:
- Lomatia, Dracophyllum, and Podocarpus;
- taxa in the family Lauraceae;
- Atkinsonia, the most primitive extant root parasitic genus; and
- taxa in the family Winteraceae, such as Tasmannia.
- taxa contributing to an exceptional diversity of eucalypts and eucalypt-dominated ecosystems, including:
- 2 eucalypt genera (Eucalyptus including Corymbia, Angophora);
- 3 eucalypt subgeneric groups (Eucalyptus, Corymbia, Symphyomyrtus);
- 91 eucalypt species (13 percent of the global total); and
- highly diverse understoreys of flora and fauna species;
- structural forms contributing to an exceptional diversity of eucalypts and eucalypt-dominated ecosystems, including:
- tall open forest (towering, single-stemmed trees);
- open forest;
- low, open woodland; and
- mallee shrubland (small, multi-stemmed shrubs);
- more than 70 plant communities, including 56 open forest and woodland communities contributing to an exceptional diversity of eucalypt-dominated ecosystems associated with:
- wet environments (including the margins of rainforests);
- dry environments (rapidly-draining, drought-prone sandstone plateaux);
- low-nutrient environments (including sandstone-derived substrates);
- fire-prone environments (including the sandstone plateaux); and
- fertile environments (remnants of formerly widespread Tertiary basalts).
- high levels of diversity of invertebrate fauna, including Lepidoptera (4000 moth species, 120 butterfly species), and cave invertebrates (67 taxa recorded at Jenolan Caves);
- plant taxa of conservation significance and their habitats, including:
- endemic species (114 plant species);
- relict species;
- species with a restricted range; and
- rare or threatened species (127 species).
- animal taxa of conservation significance and their habitats, including:
- endemic species;
- relict species;
- species with a restricted range; and
- rare or threatened species (40 vertebrate taxa - including 12 mammal species and 15 bird species - and 12 invertebrate taxa).
- New South Wales Department of Environment and Climate Change
- New South Wales Department of Environment and Climate Change - Greater Blue Mountains information
- Jenolan Caves Reserve Trust
- World Heritage Committee information for Greater Blue Mountains Area
- World Heritage Monitoring Centre Blue Mountains natural site data sheet
- The Colong Foundation for Wilderness
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