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The Arafura Swamp is a large inland
freshwater Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the term specifically excludes seawater and brackish water, it does include ...
wetland A wetland is a distinct ecosystem that is flooded or saturated by water, either permanently (for years or decades) or seasonally (for weeks or months). Flooding results in oxygen-free (anoxic) processes prevailing, especially in the soils. The ...
in
Arnhem Land Arnhem Land is a historical region of the Northern Territory of Australia, with the term still in use. It is located in the north-eastern corner of the territory and is around from the territory capital, Darwin. In 1623, Dutch East India Compan ...
, in the
Top End The Top End of Australia's Northern Territory is a geographical region encompassing the northernmost section of the Northern Territory, which aside from the Cape York Peninsula is the northernmost part of the Australian continent. It covers a ra ...
of the
Northern Territory of Australia The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an Australian territory in the central and central northern regions of Australia. The Northern Territory shares its borders with Western Aust ...
. It is a near pristine
floodplain A floodplain or flood plain or bottomlands is an area of land adjacent to a river which stretches from the banks of its channel to the base of the enclosing valley walls, and which experiences flooding during periods of high discharge.Goudi ...
with an area of that may expand to by the end of the wet season, making it the largest wooded swamp in the Northern Territory and, possibly, in Australia. It has a strong seasonal variation in depth of water. The area is of great cultural significance to the Yolngu people, in particular the Ramingining community.Australian Nature Conservation Agency. (1996). ''A Directory of Important Wetlands in Australia (Second Edition)''. ANCA: Canberra. pp. 154–155. It was the
filming location A filming location is a place where some or all of a film or television series is produced, in addition to or instead of using sets constructed on a movie studio backlot or soundstage. In filmmaking, a location is any place where a film crew wil ...
for the
film A film also called a movie, motion picture, moving picture, picture, photoplay or (slang) flick is a work of visual art that simulates experiences and otherwise communicates ideas, stories, perceptions, feelings, beauty, or atmosphere ...
''
Ten Canoes ''Ten Canoes'' is a 2006 Australian drama film directed by Rolf de Heer and Peter Djigirr and starring Crusoe Kurddal. The title of the film arose from discussions between de Heer and David Gulpilil about a photograph of ten canoeists poling ac ...
''.''Ten Canoes'' Press Kit
/ref>


Geography and climate

The Arafura Swamp is a large and irregular floodplain surrounded by a low
plateau In geology and physical geography, a plateau (; ; ), also called a high plain or a tableland, is an area of a highland consisting of flat terrain that is raised sharply above the surrounding area on at least one side. Often one or more sides ha ...
in height, with prominent scarps to the east and west. The eastern scarp contains the
Arafura Jungles The Arafura Jungles form a site with an area of about 5000 ha in eastern Arnhem Land, in the Top End of the Northern Territory of Australia. It contains twelve patches of monsoon vine forest of areas varying from 1.5 ha to 50 ha, representing ...
site. It is laced with drainage channels and
billabong Billabong ( ) is an Australian term for an oxbow lake, an isolated pond left behind after a river changes course. Billabongs are usually formed when the path of a creek or river changes, leaving the former branch with a dead end. As a result ...
s and forms a major flood-control and sedimentation basin for the Goyder-Glyde river system, with the main inflow coming from the Goyder and Gulbuwangay Rivers in the south, and with discharge northwards through the
Glyde River Glyde may refer to: * George Glyde (1821–1898), settler of Western Australia * Henry George Glyde (1906–1998), Canadian painter * Lavington Glyde (1825–1890), South Australian politician, perhaps not related to Samuel and William * Rosemary G ...
into the
Arafura Sea The Arafura Sea (or Arafuru Sea) lies west of the Pacific Ocean, overlying the continental shelf between Australia and Western New Guinea (also called Papua), which is the Indonesian part of the Island of New Guinea. Geography The Arafura Sea is ...
. It has a
monsoon A monsoon () is traditionally a seasonal reversing wind accompanied by corresponding changes in precipitation but is now used to describe seasonal changes in atmospheric circulation and precipitation associated with annual latitudinal oscil ...
al
tropical savanna climate Tropical savanna climate or tropical wet and dry climate is a tropical climate sub-type that corresponds to the Köppen climate classification categories ''Aw'' (for a dry winter) and ''As'' (for a dry summer). The driest month has less than of p ...
with a mean annual rainfall of over , falling mostly from December to April. In dry years much of the swamp lacks free standing water during the
dry season The dry season is a yearly period of low rainfall, especially in the tropics. The weather in the tropics is dominated by the tropical rain belt, which moves from the northern to the southern tropics and back over the course of the year. The te ...
. The average annual increase in water depth over the
wet season The wet season (sometimes called the Rainy season) is the time of year when most of a region's average annual rainfall occurs. It is the time of year where the majority of a country's or region's annual precipitation occurs. Generally, the sea ...
is nearly two metres, with refilling starting in January and reaching its greatest depth in April.


Flora and fauna

The Arafura Swamp contains 25 distinct
plant communities A plant community is a collection or association of plant species within a designated geographical unit, which forms a relatively uniform patch, distinguishable from neighboring patches of different vegetation types. The components of each plant co ...
, with over 100 species of
grass Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns an ...
es,
herbs In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal ...
,
aquatics Aquatics may refer to: *Aquatic sports in the Olympics and other international competitions, including the disciplines of swimming, diving, synchronized swimming, water polo, and open water swimming *Water-related sports more broadly (including boa ...
,
sedge The Cyperaceae are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges. The family is large, with some 5,500 known species described in about 90 genera, the largest being the "true sedges" genus ''Carex'' wit ...
s and
tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...
s recorded. Most of the swamp is covered by low
forest A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' ...
and
woodland A woodland () is, in the broad sense, land covered with trees, or in a narrow sense, synonymous with wood (or in the U.S., the ''plurale tantum'' woods), a low-density forest forming open habitats with plenty of sunlight and limited shade (see ...
over
grassland A grassland is an area where the vegetation is dominated by grasses (Poaceae). However, sedge (Cyperaceae) and rush (Juncaceae) can also be found along with variable proportions of legumes, like clover, and other herbs. Grasslands occur natur ...
, with the dominant tree species being the paperbarks ''
Melaleuca cajuputi ''Melaleuca cajuputi'', commonly known as cajuput or white samet is a plant in the myrtle family, Myrtaceae and is widespread in Australia, Southeast Asia, New Guinea and the Torres Strait islands. It is a medium to tall tree with papery bark, ...
'' and ''
Melaleuca leucadendra ''Melaleuca leucadendra'', commonly known as weeping paperbark, long-leaved paperbark or white paperbark is a plant in the myrtle family, Myrtaceae and is widespread in northern Australia, Southeast Asia, New Guinea and the Torres Strait Island ...
''. The swamp is classified as an
Important Bird Area An Important Bird and Biodiversity Area (IBA) is an area identified using an internationally agreed set of criteria as being globally important for the conservation of bird populations. IBA was developed and sites are identified by BirdLife Int ...
. It is a major breeding area for
magpie geese The magpie goose (''Anseranas semipalmata'') is the sole living representative species of the family Anseranatidae. This common waterbird is found in northern Australia and southern New Guinea. As the species is prone to wandering, especially wh ...
. Other abundant
waterbird A water bird, alternatively waterbird or aquatic bird, is a bird that lives on or around water. In some definitions, the term ''water bird'' is especially applied to birds in freshwater ecosystems, although others make no distinction from seabi ...
s include
wandering whistling duck The wandering whistling duck (''Dendrocygna arcuata'') is a species of whistling duck. They inhabit tropical and subtropical Australia, the Philippines, Borneo, Indonesia, Papua New Guinea and the Pacific Islands. Taxonomy There are three subspe ...
s,
Pacific black duck The Pacific black duck (''Anas superciliosa''), commonly known as the PBD, is a dabbling duck found in much of Indonesia, New Guinea, Australia, New Zealand, and many islands in the southwestern Pacific, reaching to the Caroline Islands in the no ...
s and green pygmy geese. There are breeding colonies of
royal spoonbill The royal spoonbill (''Platalea regia'') also known as the black-billed spoonbill, occurs in intertidal flats and shallows of fresh and saltwater wetlands in Australia, New Zealand, Indonesia, Papua New Guinea, and the Solomon Islands. (In New Z ...
s, little pied and
little black cormorant The little black cormorant (''Phalacrocorax sulcirostris'') is a member of the cormorant family of seabirds. It is common in smaller rivers and lakes throughout most areas of Australia and northern New Zealand, where it is known as the little bl ...
s, and
darter The darters, anhingas, or snakebirds are mainly tropical waterbirds in the family Anhingidae, which contains a single genus, ''Anhinga''. There are four living species, three of which are very common and widespread while the fourth is rarer and ...
s. Land adjacent to the swamp supports one of the largest breeding populations of the hooded parrot outside the
Katherine Katherine, also spelled Catherine, and Catherina, other variations are feminine Given name, names. They are popular in Christian countries because of their derivation from the name of one of the first Christian saints, Catherine of Alexandria ...
area. Large numbers of
fruit bat Megabats constitute the family Pteropodidae of the order Chiroptera (bats). They are also called fruit bats, Old World fruit bats, or—especially the genera ''Acerodon'' and ''Pteropus''—flying foxes. They are the only member of the sup ...
s feed and roost in the extensive
paperbark ''Melaleuca'' () is a genus of nearly 300 species of plants in the myrtle family, Myrtaceae, commonly known as paperbarks, honey-myrtles or tea-trees (although the last name is also applied to species of ''Leptospermum''). They range in size f ...
forests. The
threadfin rainbowfish The threadfin rainbowfish or featherfin rainbowfish (''Iriatherina werneri'') is a rainbowfish, the only species in the genus ''Iriatherina''. It is characterized by long beautiful fins, and is among the most attractive of the rainbowfishes. It ...
, once known only from
New Guinea New Guinea (; Hiri Motu Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea). It is a simplified version of ...
and 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 ...
, has been discovered in the swamp. It is also an important breeding site for
freshwater Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the term specifically excludes seawater and brackish water, it does include ...
and
saltwater crocodile The saltwater crocodile (''Crocodylus porosus'') is a crocodilian native to saltwater habitats and brackish wetlands from India's east coast across Southeast Asia and the Sundaic region to northern Australia and Micronesia. It has been listed ...
s.


Cultural use

Aboriginal people Indigenous peoples are culturally distinct ethnic groups whose members are directly descended from the earliest known inhabitants of a particular geographic region and, to some extent, maintain the language and culture of those original people ...
from the Ramingining community use the swamp for
fishing Fishing is the activity of trying to catch fish. Fish are often caught as wildlife from the natural environment, but may also be caught from stocked bodies of water such as ponds, canals, park wetlands and reservoirs. Fishing techniques inclu ...
,
hunting and gathering A traditional hunter-gatherer or forager is a human living an ancestrally derived lifestyle in which most or all food is obtained by foraging, that is, by gathering food from local sources, especially edible wild plants but also insects, fungi, ...
, including harvesting the
eggs Humans and human ancestors have scavenged and eaten animal eggs for millions of years. Humans in Southeast Asia had domesticated chickens and harvested their eggs for food by 1,500 BCE. The most widely consumed eggs are those of fowl, especial ...
of geese and crocodiles. The margins of the swamp are used for
grazing In agriculture, grazing is a method of animal husbandry whereby domestic livestock are allowed outdoors to roam around and consume wild vegetations in order to convert the otherwise indigestible (by human gut) cellulose within grass and other ...
livestock Livestock are the domesticated animals raised in an agricultural setting to provide labor and produce diversified products for consumption such as meat, eggs, milk, fur, leather, and wool. The term is sometimes used to refer solely to animals ...
. The swamp is one of very few tropical wetlands in Australia continuing to be managed by Aboriginal people using traditional land management practices, including formal burning regimes. Traditional use of the swamp was studied by
anthropologist An anthropologist is a person engaged in the practice of anthropology. Anthropology is the study of aspects of humans within past and present societies. Social anthropology, cultural anthropology and philosophical anthropology study the norms and ...
Donald Thomson Donald Finlay Fergusson Thomson, OBE (26 June 1901 – 12 May 1970) was an Australian anthropologist and ornithologist who was largely responsible for turning the Caledon Bay crisis into a "decisive moment in the history of Aboriginal-Europea ...
in the 1930s. Much of the 2006 film ''Ten Canoes'' was filmed on location in the swamp with many of the actors deriving from the local community and speaking in
Yolŋu Matha The Yolngu or Yolŋu () are an aggregation of Aboriginal Australian people inhabiting north-eastern Arnhem Land in the Northern Territory of Australia. ''Yolngu'' means "person" in the Yolŋu languages. The terms Murngin, Wulamba, Yalnumata, M ...
.
Land tenure In common law systems, land tenure, from the French verb "tenir" means "to hold", is the legal regime in which land owned by an individual is possessed by someone else who is said to "hold" the land, based on an agreement between both individual ...
of the swamp is Aboriginal freehold, held by the Arnhem Land Aboriginal Land Trust. The Arafura wetlands, with their
catchment A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the ...
area, were listed on the now-defunct
Register of the National Estate The Register of the National Estate was a heritage register that listed natural and cultural heritage places in Australia that was closed in 2007. Phasing out began in 2003, when the Australian National Heritage List and the Commonwealth Heritag ...
.


References

{{coord, 12, 16, S, 135, 00, E, display=title Bodies of water of the Northern Territory Arnhem Land DIWA-listed wetlands Floodplains of Australia Wetlands of the Northern Territory Northern Territory places listed on the defunct Register of the National Estate Important Bird Areas of the Northern Territory