The Macquarie Marshes Nature Reserve is a

protected Protection is any measure taken to guard a thing against damage caused by outside forces. Protection can be provided to physical objects, including organisms, to systems, and to intangible things like civil and political rights. Although th ...

natural

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 ...

reserve Reserve or reserves may refer to: Places * Reserve, Kansas, a US city * Reserve, Louisiana, a census-designated place in St. John the Baptist Parish * Reserve, Montana, a census-designated place in Sheridan County * Reserve, New Mexico, a US vi ...

that is located within the

Macquarie Marshes The Macquarie Marshes comprise the wetlands associated with the floodplains of the Macquarie River and its tributaries, in northern New South Wales, Australia. The Macquarie River and the marshes eventually drain into the Darling River. The ma ...

, in the region along the lower

Macquarie River The Macquarie River - Wambuul is part of the Macquarie– Barwon catchment within the Murray–Darling basin, is one of the main inland rivers in New South Wales, Australia. The river rises in the central highlands of New South Wales near the ...

in northwestern

New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

. The reserve is situated approximately northwest of

Sydney Sydney ( ) is the capital city of the state of New South Wales, and the most populous city in both Australia and Oceania. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about towards the Blue Mountain ...

and north of . The Macquarie Marshes Nature Reserve is the core of the Macquarie Marshes. It is the area most frequently flooded and contains samples of all the habitat types present in the Marshes. Nevertheless, there are large and significant wetland areas outside the nature reserve, including extensive river red gum areas and some of the largest rookeries in the Marshes.

Natural significance

The marshes are created by irregular flooding of the flat lands along the river. The nature reserve extends over an area of almost , approximately 10% of the Macquarie Marshes

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 ...

. It consists of two main reserves, the North and South Marsh, and a third small reserve. The North and South Marsh Nature Reserves were listed as a wetland of international importance in 1986 under the

Ramsar Convention The Ramsar Convention on Wetlands of International Importance Especially as Waterfowl Habitat is an international treaty for the conservation and sustainable use of Ramsar sites (wetlands). It is also known as the Convention on Wetlands. It i ...

of 1971. The Macquarie Marshes are also listed on the

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 ...

, the Register of the

National Trust of Australia The National Trust of Australia, officially the Australian Council of National Trusts (ACNT), is the Australian national peak body for community-based, non-government non-profit organisations committed to promoting and conserving Australia's Ind ...

, and the

Directory of Important Wetlands in Australia A Directory of Important Wetlands in Australia (DIWA) is a list of wetlands of national importance to Australia published by the governmental agency Environment Australia. Intended to augment the list of wetlands of international importance under t ...

. The reserve is part of the Macquarie Marshes

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 ...

, identified as such by

BirdLife International BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding ...

because of its importance as a breeding site for

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 ...

Flora and fauna

The wetlands contain a wide range of vegetation types, primarily determined by the frequency and duration of flooding. The dominant types are

river red gum ''Eucalyptus camaldulensis'', commonly known as the river red gum, is a tree that is endemic to Australia. It has smooth white or cream-coloured bark, lance-shaped or curved adult leaves, flower buds in groups of seven or nine, white flowers an ...

forest and woodland, as well as extensive beds of

common reed ''Phragmites australis'', known as the common reed, is a species of plant. It is a broadly distributed wetland grass that can grow up to tall. Description ''Phragmites australis'' commonly forms extensive stands (known as reed beds), which may ...

. Various vegetation associations are found throughout the wetlands, providing habitat for many species of waterbird, as well as other wildlife including 211 bird species, 8 species of native mammal, 15 frog, 56 reptile and 24 native fish species. The wetlands are one of the most important breeding sites in Australia for

intermediate egret The intermediate egret, median egret, smaller egret, or yellow-billed egret (''Ardea intermedia'') is a medium-sized heron. Some taxonomists put the species in the genus ''Egretta'' or ''Mesophoyx''. It is a resident breeder from east Africa a ...

and

straw-necked ibis The straw-necked ibis (''Threskiornis spinicollis'') is a bird of the ibis and spoonbill family Threskiornithidae. It can be found throughout Australia, New Guinea, and parts of Indonesia. Adults have distinctive straw-like feathers on their neck ...

. A number of birds are listed as vulnerable or threatened including the

magpie goose 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 ...

blue-billed duck The blue-billed duck (''Oxyura australis'') is a small Australian stiff-tailed duck, with both the male and female growing to a length of 40 cm (16 in). The male has a slate-blue bill which changes to bright-blue during the breeding sea ...

freckled duck The freckled duck (''Stictonetta naevosa)'' is a waterfowl species endemic to Australia. The freckled duck has also been referred to as the monkey duck or oatmeal duck. These birds are usually present in mainland Australia, but disperse to coas ...

Australasian bittern The Australasian bittern (''Botaurus poiciloptilus''), also known as the brown bittern or matuku hūrepo, and also nicknamed the "bunyip bird", is a large bird in the heron family Ardeidae. A secretive bird with a distinctive booming call, it is ...

brolga The brolga (''Antigone rubicunda''), formerly known as the native companion, is a bird in the crane family. It has also been given the name Australian crane, a term coined in 1865 by well-known ornithologist John Gould in his ''Birds of Austral ...

painted snipe The Rostratulidae, commonly known as the painted-snipes, are a family of wading birds that consists of two genera: '' Rostratula'' and '' Nycticryphes''. Description The painted-snipes are short-legged, long-billed birds similar in shape to the ...

osprey The osprey (''Pandion haliaetus''), , also called sea hawk, river hawk, and fish hawk, is a diurnal, fish-eating bird of prey with a cosmopolitan range. It is a large raptor reaching more than in length and across the wings. It is brown o ...

glossy black cockatoo The glossy black cockatoo (''Calyptorhynchus lathami''), is the smallest member of the subfamily Calyptorhynchinae found in eastern Australia. Adult glossy black cockatoos may reach in length. They are sexually dimorphic. Males are blackish bro ...

turquoise parrot The turquoise parrot (''Neophema pulchella'') is a species of parrot in the genus ''Neophema'' native to Eastern Australia, from southeastern Queensland, through New South Wales and into North-Eastern Victoria. It was described by George Shaw ...

square-tailed kite The square-tailed kite (''Lophoictinia isura'') is a medium-sized bird of prey in the family Accipitridae, which also includes many other diurnal raptors such as kites, eagles and harriers. Taxonomy German naturalist Johann Jakob Kaup descr ...

and

Major Mitchell's cockatoo Major Mitchell's cockatoo (''Lophochroa leadbeateri''), also known as Leadbeater's cockatoo or the pink cockatoo, is a medium-sized cockatoo that inhabits arid and semi-arid inland areas of Australia, though it is seen regularly in other climat ...

Threats

The nature reserve covers only a small part of the marsh area. The rest of it is private agricultural holdings, utilised for the grazing of cattle and sheep, and cropping. The frequency and extent of the flooding required to sustain the marshes is threatened by increasing extraction of water from the Macquarie River for crop

irrigation Irrigation (also referred to as watering) is the practice of applying controlled amounts of water to land to help grow Crop, crops, Landscape plant, landscape plants, and Lawn, lawns. Irrigation has been a key aspect of agriculture for over 5,00 ...

upstream from the marshes. An environmental trust has been established in order to attract widespread community support.

References

{{Nature reserves of New South Wales , state=autocollapse Nature reserves in New South Wales Ramsar sites in Australia Important Bird Areas of New South Wales North West Slopes 1971 establishments in Australia Protected areas established in 1971

Natural significance

Flora and fauna

Threats

See also

References