The Einasleigh Uplands is an interim Australian bioregion, with vegetation consisting of

savanna A savanna or savannah is a mixed woodland- grassland (i.e. grassy woodland) ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground ...

and woodland located on a large plateau in inland

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , establishe ...

Australia Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. With an area of , Australia is the largest country by ...

. It corresponds to the Einasleigh Uplands savanna

ecoregion An ecoregion (ecological region) or ecozone (ecological zone) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm. Ecoregions cover relatively large areas of ...

, as identified by the

World Wildlife Fund The World Wide Fund for Nature Inc. (WWF) is an international non-governmental organization founded in 1961 that works in the field of wilderness preservation and the reduction of human impact on the environment. It was formerly named the W ...

Location and description

This area is inland from the moist Queensland coast but is not as dry as the

Brigalow Belt The Brigalow Belt is a wide band of acacia-wooded grassland that runs between tropical rainforest of the coast and the semi-arid interior of Queensland, Australia. The Interim Biogeographic Regionalisation for Australia (IBRA) divides the Br ...

and the Mitchell Grass Downs savannas to the south, while the

Cape York Peninsula Cape York Peninsula is a large peninsula located in Far North Queensland, Australia. It is the largest unspoiled wilderness in northern Australia.Mittermeier, R.E. et al. (2002). Wilderness: Earth’s last wild places. Mexico City: Agrupación ...

to the north is lower-lying and wetter. The region contains a number of specialised habitats that add to the variety of wildlife found here. These include

lava tube A lava tube, or pyroduct, is a natural conduit formed by flowing lava from a volcanic vent that moves beneath the hardened surface of a lava flow. If lava in the tube empties, it will leave a cave. Formation A lava tube is a type of lava ...

s and caves such as those of

Chillagoe Chillagoe is a rural town and locality in the Shire of Mareeba, Queensland, Australia. In the the locality of Chillagoe had a population of 251 people. It was once a thriving mining town for a range of minerals, but is now reduced to a small z ...

. The uplands are an area of eroded volcanic rock on and to the west of the

Atherton Tableland The Atherton Tableland is a fertile plateau which is part of the Great Dividing Range in Queensland, Australia. The principal river flowing across the plateau is the Barron River. It was dammed to form an irrigation reservoir named Lake Tina ...

in the northern section of Australia's

Great Dividing Range The Great Dividing Range, also known as the East Australian Cordillera or the Eastern Highlands, is a cordillera system in eastern Australia consisting of an expansive collection of mountain ranges, plateaus and rolling hills, that runs rough ...

running inland as far as the town of

Croydon Croydon is a large town in south London, England, south of Charing Cross. Part of the London Borough of Croydon, a local government district of Greater London. It is one of the largest commercial districts in Greater London, with an exten ...

in the southwest. The plateau is covered in grassland dotted with

eucalyptus ''Eucalyptus'' () is a genus of over seven hundred species of flowering trees, shrubs or mallees in the myrtle family, Myrtaceae. Along with several other genera in the tribe Eucalypteae, including '' Corymbia'', they are commonly known as ...

trees and cut through with ridges, gorges and lava tubes. The area has rich fertile soil. Natural features include the Great Basalt Wall of dried volcanic lava and the lava tubes of

Undara Volcanic National Park The Undara Volcanic National Park is a national park in the Shire of Etheridge, Queensland, Australia. It is situated 275 kilometres southwest of Cairns just off the Gulf Developmental Road. The park was established in 2009 to protect Australia ...

. Rivers that have their source in the uplands include the

Flinders River The Flinders River is the longest river in Queensland, Australia, at approximately . It was named in honour of the explorer Matthew Flinders. The catchment is sparsely populated and mostly undeveloped. The Flinders rises on the western slopes o ...

which runs northwest to the

Gulf of Carpentaria The Gulf of Carpentaria (, ) is a large, shallow sea enclosed on three sides by northern Australia and bounded on the north by the eastern Arafura Sea (the body of water that lies between Australia and New Guinea). The northern boundary i ...

along with the Palmer,

Mitchell Mitchell may refer to: People *Mitchell (surname) *Mitchell (given name) Places Australia * Mitchell, Australian Capital Territory, a light-industrial estate * Mitchell, New South Wales, a suburb of Bathurst * Mitchell, Northern Territ ...

and Gilbert-Einasleigh while the

Burdekin The Shire of Burdekin is a local government area located in North Queensland, Australia in the Dry Tropics region. The district is located between Townsville and Bowen in the delta of the Burdekin River. It covers an area of , and has existe ...

and

Herbert River The Herbert River is a river located in Far North Queensland, Australia. The southernmost of Queensland's wet tropics river systems, it was named in 1864 by George Elphinstone Dalrymple explorer, after Robert George Wyndham Herbert, the fir ...

s run south-east from the tablelands to the

Coral Sea The Coral Sea () is a marginal sea of the South Pacific off the northeast coast of Australia, and classified as an interim Australian bioregion. The Coral Sea extends down the Australian northeast coast. Most of it is protected by the Fre ...

coast. Urban areas include

Herberton Herberton is a rural town and locality in the Tablelands Region, Queensland, Australia. In the , the locality of Herberton had a population of 855 people. Geography Herberton is on the Atherton Tableland in Far North Queensland. It is situat ...

and Croydon. IBRA 6

Climate

The climate is cooler than the coast with summer nights being as cool as 9 °C compared with 20 °C on the coast. The summer high temperatures are around 35 °C. There is a wet season between December and March.

Flora

This stony upland habitat is dominated by

ironbark Ironbark is a common name of a number of species in three taxonomic groups within the genus ''Eucalyptus'' that have dark, deeply furrowed bark. Instead of being shed annually as in many of the other species of ''Eucalyptus'', the dead bark accum ...

eucalyptus woodland but there are wetlands and patches of rainforest too. Lava flows are home to stands of thicker forest.

Fauna

These woodlands are home to many animals including a number of

marsupial Marsupials are any members of the mammalian infraclass Marsupialia. All extant marsupials are endemic to Australasia, Wallacea and the Americas. A distinctive characteristic common to most of these species is that the young are carried in ...

s such as the

antilopine kangaroo The antilopine kangaroo (''Osphranter antilopinus''), also known as the antilopine wallaroo or the antilopine wallaby, is a species of macropod found in northern Australia: in Cape York Peninsula in Queensland, the Top End of the Northern Terri ...

, the large eastern grey kangaroo and the near-endemic Godman's rock-wallaby and

Mareeba rock-wallaby The Mareeba rock-wallaby (''Petrogale mareeba'') is a rare species of rock-wallaby found around Mareeba in northeastern Queensland, Australia. Taxonomy The Mareeba rock-wallaby is a member of a group of seven very closely related species with ...

. There are a number of

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found else ...

mammals, reptiles and insects in the region especially in the more thickly forested areas where a large number of endemic reptiles occur. The caves and lava flows harbour specific wildlife of their own as do the wetter east-facing slopes of the uplands. Rivers such as the Burdekin have important populations of waterbirds as do the unique (to Australia) wetlands of Innot Hot Springs.

Threats and preservation

The area has long been used for cattle ranching but apart from the heavily farmed Atherton Tableland is thinly populated so the landscape is well preserved although it has been changed by

overgrazing Overgrazing occurs when plants are exposed to intensive grazing for extended periods of time, or without sufficient recovery periods. It can be caused by either livestock in poorly managed agricultural applications, game reserves, or nature res ...

, clearance for agriculture and the introduction of weeds. Some areas of the

acacia ''Acacia'', commonly known as the wattles or acacias, is a large genus of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae. Initially, it comprised a group of plant species native to Africa and Australasia. The genus nam ...

gidgee ''(

Acacia cambagei ''Acacia cambagei'', commonly known as gidgee, stinking wattle, stinking gidgee in English, or gidjiirr, by transliteration from indigenous languages of north-western NSW, is an endemic tree of Australia. It is found primarily in semiarid and ...

)'' in the southeast of the uplands have suffered in particular. There are a number of protected areas containing a good variety of the different types of habitat found in the region, including Undara and the Great Basalt Wall as well as

Blackbraes National Park Blackbraes is a national park in Shire of Etheridge of Far North Queensland, Australia. Geography The park is 1265 km northwest of Brisbane, 170 km north of Hughenden, and 280 km west of Townsville. Two small sections are also l ...

, Kinrara National Park, Littleton National Park, part of

Bulleringa National Park Bulleringa is a national park in Shire of Mareeba, Queensland, Australia, 1,448 km northwest of Brisbane Brisbane ( ) is the capital and most populous city of the Australian state of Queensland, and the third-most populous city in Aust ...

and the caves of Chillagoe.

References