Wet Tropics of Queensland

The Wet Tropics of Queensland World Heritage Site consists of approximately 8,940 km² of Australian wet tropical forests growing along the north-east Queensland portion of the Great Dividing Range. The Wet Tropics of Queensland meets all four of the criteria for natural heritage for selection as a World Heritage Site.[1] World Heritage status was declared in 1988,[2] and on 21 May 2007 the Wet Tropics were added to the Australian National Heritage List.[3]

Wet Tropics of Queensland
UNESCO World Heritage Site
Forest near Daintree. Queensland
LocationQueensland, Australia
Includes
components:
  1. Main
  2. Malbon Thompson and Graham Range
  3. Curtain Fig
  4. Lake Barrine
  5. Lake Eacham
  6. Russell River
  7. Hugh Nelson Range
  8. Malaan
  9. Moresby Range
  10. Cowley
  11. Kurrimine Beach
  12. Mission Beach
  13. Edmund Kennedy
  14. Paluma Range
CriteriaNatural: (vii), (viii), (ix), (x)
Reference486
Inscription1988 (12th session)
Area893,453 ha (3,449.64 sq mi)
Coordinates15°39′S 144°58′E
1
7
13
14
Components in Queensland
Location of Wet Tropics of Queensland in Australia

The tropical forests have the highest concentration of primitive flowering plant families in the world.[4] Only Madagascar and New Caledonia, due to their historical isolation, have humid, tropical regions with a comparable level of endemism.[2]

The Wet Tropics rainforests are recognised internationally for their ancient ancestry and many unique plants and animals. Many plant and animal species in the Wet Tropics are found nowhere else in the world. The Wet Tropics has the oldest continuously surviving tropical rainforests on earth.[5]

Indigenous

On 9 November 2012, the Australian Government also acknowledged the Indigenous heritage of the area as being nationally significant. The Aboriginal Rainforest People of the Wet Tropics of Queensland have lived continuously in the rainforest environment for at least 5000 years, and this is the only place in Australia where Aboriginal people have permanently inhabited a tropical rainforest environment.[6]

Geography
Josephine Falls, 2008

The Wet Tropics of Queensland stretches in part from Townsville to Cooktown, running in close parallel to the Great Barrier Reef (another World Heritage Site).[7]

The terrain is rugged. The Great Dividing Range and a number of small coastal ranges, highlands, tablelands, foothills and an escarpment dominate the landscape.

The heritage site contains the northern section of the Queensland tropical rain forests including the Daintree Rainforest. 16 different structural types of rainforest have been identified.[8][9]

The World Heritage area includes Australia's highest waterfall, Wallaman Falls. In total it spans 13 major river systems including the Annan, Bloomfield, Daintree, Barron, Mulgrave, Russell, Johnstone, Tully, Herbert, Burdekin, Mitchell, Normanby and Palmer River.[9] Copperlode Falls Dam, Koombooloomba Dam and Paluma Dam are found within the World Heritage Area.[9]

Protected areas
Barron Gorge in Barron Gorge National Park
Map of the Wet Tropics of Queensland, 2012

15% of the area is protected as national park.[8] Among the national parks included within the Wet Tropics are:

and over 700 protected areas including privately owned land.

The Wet Tropics Management Authority was established in 1983; it is responsible for managing the site according to Australia's obligations under the World Heritage Convention.[11] The agency employed 20 staff in 2012 as a unit within the Department of Environment and Heritage Protection. It is headed by a board of directors responsible to the Wet Tropics Ministerial Council which contains both Queensland and Federal Government representatives.[11]

Flora
Daintree Rainforest, 2011

The site contains many unique features such as over 390 rare plant species, which includes 74 species that are threatened.[7] There are at least 85 species that are endemic to the area, 13 different types of rainforest and 29 species of mangrove, which is more than anywhere else in the country.[7] Of the 19 families of primitive flowering plants worldwide, 12 are found in the Wet Tropics including two families found nowhere else.[12] This includes at least 50 individual species which are endemic to the area.[2]

90 species of orchids have been noted.[13] The large rare trees Stockwellia or Vic Stockwell's Puzzle Stockwellia quadrifida (Myrtaceae) grow only in restricted areas of "well developed upland rain forest" in the Wet Tropics.[14] They continue living today as descendants of, and very similar to, the ancient Gondwanan fossil species considered one of the Eucalypts' fossil ancestors, which diversified into so many different species forms of all the Eucalypt plants today.[15] 65% of Australia's fern species are protected here, including all seven of the ancient fern species.[8]

Fauna
Animal
type		SpeciesEndemic
species		Monotypic
genera
Bird370110
Mammal107112
Reptile113243
Amphibian51220
Sources:[1][16]
The musky rat-kangaroo is a marsupial species only found in the Wet Topics ecoregion.

370 species of bird have been recorded in the area.[13] 11 species of those are found nowhere else.[1]

The endangered southern cassowary and rare spotted-tailed quoll are some of the many threatened species, while the musky rat-kangaroo is one of 50 animal species that are unique to this area.[4] The musky rat-kangaroo is significant because it represents an early stage in the evolution of kangaroos.[2] Other rare animals include the yellow-bellied gliders and brush-tailed bettong.[13] 107 mammal species have been identified.[1] Australia's rarest mammal, the insectivorous Flores tube-nosed bat (Murina florium), is also found here.[13] One quarter of Australia's rodent species are found within the Wet Tropics.[8]

113 species of reptiles including 24 endemic species are found in the area and there are 51 amphibian species, of which 22 are endemic.[1] One reason for the very high level of endemism is that the geomorphology is diverse, resulting in habitat islands where distinct subspecies have evolved.[2] Some species are endemic to a specific mountain or groups of mountains.[17]

Climate

Rainfall in the area varies considerably, with elevation and orientation of the coastline being the major influences.[9] Rainfall averages from 1,200 millimeters (mm) to over 8,000 mm annually.[8] The highest mountains along the escarpment between Cairns and Tully receive the highest rainfall, mainly owing to orographic factors. Mount Bellenden Ker is the wettest recording station in the area with other high peaks and eastern slopes favouring high rainfall.[8] Most of the rainfall occurs from November to April. Tropical cyclones may impact the area.

Environmental threats

The expansion of the sugarcane industry in lowland plains poses a significant threat to some endangered ecosystems. Some are fragmented and their natural vegetation is degraded.[8] Invasive pest species are another concern along with internal fragmentation by road and power lines.[8][17] Insect and mite species are of particular concern because some of them are hard to detect.[17] Some areas are off-limits to the general public to prevent the introduction of Phytophthora.[17] The southern cassowary is often killed by motor vehicles.[17]

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See also

References
  1. "World Heritage List: Wet Tropics of Queensland". UNESCO World Heritage Centre. United Nations. Retrieved 21 March 2013.
  2. Steve Goosen & Nigel I. J. Tucker (1995). "Wet Tropics Overview" (PDF). Repairing the Rainforest: Theory and Practice of Rainforest Re-establishment in North Queensland's Wet Tropics. Wet Tropics Management Authority. Retrieved 21 March 2013.
  3. "Wet Tropics of Queensland". Department of the Environment, Water, Heritage and the Arts. Retrieved 18 June 2010.
  4. "Wet Tropics". Department of National Parks, Recreation, Sport and Racing. 14 May 2012. Retrieved 21 March 2013.
  5. "World Heritage Values". Website Tropics Management Authority. Retrieved 25 May 2019.
  6. "Department of the Environment and Energy". Department of the Environment and Energy. Retrieved 29 November 2017.
  7. Reid, Greg (2004). Australia's National and Marine Parks: Queensland. South Yarra, Victoria: Macmillan Education Australia. p. 13. ISBN 0-7329-9053-X.
  8. "Queensland tropical rainforests". Encyclopedia of Earth. Environmental Information Coalition, National Council for Science and the Environment. 2012.
  9. McDonald, Geoff; Marcus B. Lane (2000). Securing the Wet Tropics?: A Retrospective on Managing Australia's Tropical Rainforests. Federation Press. pp. 17–19. ISBN 1862873496. Retrieved 3 December 2012.
  10. "Macalister Range National Park". National Parks, Sport and Racing. Queensland Government. Archived from the original on 3 April 2016. Retrieved 13 March 2018.
  11. "Wet Tropics Management Authority". Wet Tropics Management Authority. Retrieved 24 March 2013.
  12. World heritage forests: the world heritage convention as a mechanism for conserving tropical forest biodiversity. CIFOR. 1999. p. 36. ISBN 9798764234. Retrieved 21 March 2013.
  13. Riley, Laura and William (2005). Nature's Strongholds: The Worlds' Great Wildlife Reserves. Princeton, New Jersey: Princeton University Press. pp. 599–600. ISBN 0-691-12219-9. Retrieved 12 July 2011.
  14. Hyland, B. P. M.; Whiffin, T.; Zich, F. A.; et al. (December 2010). "Factsheet – Stockwellia quadrifida". Australian Tropical Rainforest Plants (6.1, online version RFK 6.1 ed.). Cairns, Australia: Commonwealth Scientific and Industrial Research Organisation (CSIRO), through its Division of Plant Industry; the Centre for Australian National Biodiversity Research; the Australian Tropical Herbarium, James Cook University. Retrieved 23 October 2011.
  15. Breeden, Stanley (1992). Visions of a Rainforest: A year in Australia's tropical rainforest. Illustrated by William T. Cooper. Foreword by Sir David Attenborough. (1st ed.). East Roseville: Simon & Schuster Australia. ISBN 0-7318-0058-3.
  16. "Endemic and rare species". Wet Tropics Management Authority. Retrieved 7 April 2013.
  17. Stork, Nigel E. (2005). "The Theory and Practice of Planning for Long-term Conservation of Biodiversity in the Wet Tropics Rainforests of Australia". In Bermingham, Eldredge; Dick, Christopher W.; Moritz, Craig (eds.). Tropical Rainforests: Past, Present, and Future. University of Chicago Press. pp. 522–523. ISBN 0226044688. Retrieved 23 March 2013.
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