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A swamp is a forested
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 waters, anoxic) processes prevailing, especially in t ...
.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p. Swamps are considered to be transition zones because both land and water play a role in creating this environment. Swamps vary in size and are located all around the world. The water of a swamp may be
fresh water 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 incl ...
,
brackish water Brackish water, sometimes termed brack water, is water occurring in a natural environment that has more salinity than freshwater, but not as much as seawater. It may result from mixing seawater (salt water) and fresh water together, as in estuari ...
, or
seawater Seawater, or salt water, is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of about 3.5% (35 g/L, 35 ppt, 600 mM). This means that every kilogram (roughly one liter by volume) of seawater has appro ...
. Freshwater swamps form along large rivers or lakes where they are critically dependent upon rainwater and seasonal flooding to maintain natural water level fluctuations.Hughes, F.M.R. (ed.). 2003. The Flooded Forest: Guidance for policy makers and river managers in Europe on the restoration of floodplain forests. FLOBAR2, Department of Geography, University of Cambridge, Cambridge, UK. 96 p. Saltwater swamps are found along tropical and subtropical coastlines. Some swamps have hammocks, or dry-land protrusions, covered by aquatic vegetation, or vegetation that tolerates periodic inundation or soil saturation. The two main types of swamp are "true" or swamp forests and "transitional" or shrub swamps. In the
boreal Boreal may refer to: Climatology and geography *Boreal (age), the first climatic phase of the Blytt-Sernander sequence of northern Europe, during the Holocene epoch *Boreal climate, a climate characterized by long winters and short, cool to mild ...
regions of Canada, the word swamp is colloquially used for what is more formally termed a
bog A bog or bogland is a wetland that accumulates peat as a deposit of dead plant materials often mosses, typically sphagnum moss. It is one of the four main types of wetlands. Other names for bogs include mire, mosses, quagmire, and muskeg; a ...
,
fen A fen is a type of peat-accumulating wetland fed by mineral-rich ground or surface water. It is one of the main types of wetlands along with marshes, swamps, and bogs. Bogs and fens, both peat-forming ecosystems, are also known as mires ...
, or
muskeg Muskeg (Ojibwe: mashkiig; cr, maskīk; french: fondrière de mousse, lit. ''moss bog'') is a peat-forming ecosystem found in several northern climates, most commonly in Arctic and boreal areas. Muskeg is approximately synonymous with bog or p ...
. Some of the world's largest swamps are found along major rivers such as the
Amazon Amazon most often refers to: * Amazons, a tribe of female warriors in Greek mythology * Amazon rainforest, a rainforest covering most of the Amazon basin * Amazon River, in South America * Amazon (company), an American multinational technolog ...
, the
Mississippi Mississippi () is a state in the Southeastern region of the United States, bordered to the north by Tennessee; to the east by Alabama; to the south by the Gulf of Mexico; to the southwest by Louisiana; and to the northwest by Arkansas. Miss ...
, and the Congo.


Differences between marshes and swamps

Swamps and
marsh A marsh is a wetland that is dominated by herbaceous rather than woody plant species.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p Marshes can often be found ...
es are specific types of wetlands that form along waterbodies containing rich, hydric soils. Marshes are wetlands, continually or frequently flooded by nearby running bodies of water, that are dominated by emergent soft-stem vegetation and herbaceous plants. Swamps are wetlands consisting of saturated soils or standing water and are dominated by water-tolerant woody vegetation such as shrubs, bushes, and trees.Mitsch, W.J., & Gosselink, J.G.(2015). ''Wetlands''. Hoboken, NJ: John Wiley & Sons Inc.


Hydrology

Swamps are characterized by their saturated soils and slow-moving waters. The water that accumulates in swamps comes from a variety of sources including precipitation, groundwater, tides and/or freshwater flooding. These hydrologic pathways all contribute to how energy and nutrients flow in and out of the ecosystem. As water flows through the swamp, nutrients, sediment and pollutants are naturally filtered out. Chemicals like phosphorus and nitrogen that end up in waterways get absorbed and used by the aquatic plants within the swamp, purifying the water. Any remaining or excess chemicals present will accumulate at the bottom of the swamp, being removed from the water and buried within the sediment. The biogeochemical environment of a swamp is dependent on its hydrology, affecting the levels and availability of resources like oxygen, nutrients, water pH and toxicity, which will influence the whole ecosystem.


Values and ecosystem services

Swamps and other
wetlands 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 p ...
have traditionally held a very low property value compared to fields,
prairie Prairies are ecosystems considered part of the temperate grasslands, savannas, and shrublands biome by ecologists, based on similar temperate climates, moderate rainfall, and a composition of grasses, herbs, and shrubs, rather than trees, as the ...
s, or
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 ...
s. They have a reputation for being unproductive land that cannot easily be utilized for human activities, other than
hunting Hunting is the human activity, human practice of seeking, pursuing, capturing, or killing wildlife or feral animals. The most common reasons for humans to hunt are to harvest food (i.e. meat) and useful animal products (fur/hide (skin), hide, ...
,
trapping Animal trapping, or simply trapping or gin, is the use of a device to remotely catch an animal. Animals may be trapped for a variety of purposes, including food, the fur trade, hunting, pest control, and wildlife management. History Neolithi ...
, or fishing. Farmers, for example, typically drained swamps next to their fields so as to gain more land usable for planting crops, both historically, and to a lesser extent, presently. On the other hand, swamps can (and do) play a beneficial ecological role in the overall functions of the natural environment and provide a variety of resources that many species depend on. Swamps and other wetlands have shown to be a natural form of flood management and defense against flooding. In such circumstances where flooding does occur, swamps absorb and use the excess water within the wetland, preventing it from traveling and flooding surrounding areas. Dense vegetation within the swamp also provides soil stability to the land, holding soils and sediment in place whilst preventing erosion and land loss. Swamps are an abundant and valuable source of
fresh water 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 incl ...
and
oxygen Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements ...
for all life, and they are often breeding grounds for a wide variety of species. Floodplain swamps are an important resource in the production and distribution of fish. Two thirds of global fish and shellfish are commercially harvested and dependent on wetlands.


Impacts and conservation

Historically, humans have been known to drain and/or fill swamps and other wetlands in order to create more space for human development and to reduce the threat of diseases borne by swamp insects. Wetlands are removed and replaced with land that is then used for things like agriculture, real estate, and recreational uses. Many swamps have also undergone intensive logging and farming, requiring the construction of drainage ditches and canals. These ditches and canals contributed to drainage and, along the coast, allowed salt water to intrude, converting swamps to
marsh A marsh is a wetland that is dominated by herbaceous rather than woody plant species.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p Marshes can often be found ...
or even to open water. Large areas of swamp were therefore lost or degraded.
Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is bord ...
provides a classic example of wetland loss from these combined factors. Europe has probably lost nearly half its wetlands.Dugan, P. (ed.) 2005. Guide to Wetlands. Buffalo, New York. Firefly Books. 304 p. New Zealand lost 90 percent of its wetlands over a period of 150 years. Ecologists recognize that swamps provide ecological services including flood control, fish production, water purification, carbon storage, and wildlife habitats. In many parts of the world authorities protect swamps. In parts of Europe and North America, swamp restoration projects are becoming widespread. The United States government began enforcing stricter laws and management programs in the 1970s in efforts to protect and restore these ecosystems. Often the simplest steps to restoring swamps involve plugging drainage ditches and removing
levee A levee (), dike (American English), dyke (Commonwealth English), embankment, floodbank, or stop bank is a structure that is usually earthen and that often runs parallel to the course of a river in its floodplain or along low-lying coastli ...
s. Conservationists work to preserve swamps such as those in northwest Indiana in the United States
Midwest The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four Census Bureau Region, census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of ...
that were preserved as part of the
Indiana Dunes Indiana Dunes National Park is a United States national park located in northwestern Indiana managed by the National Park Service. It was authorized by Congress in 1966 as the Indiana Dunes National Lakeshore and was redesignated as the nation ...
.


Notable examples

Swamps can be found on all continents except
Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest cont ...
. The largest swamp in the world is the Amazon River floodplain, which is particularly significant for its large number of fish and tree species.L.H. Fraser and P.A. Keddy (eds.). 2005. The World's Largest Wetlands: Ecology and Conservation. Cambridge University Press, Cambridge, UK. 488 p.


Africa

The
Sudd The Sudd (' or ', Dinka: Toc) is a vast swamp in South Sudan, formed by the White Nile's '' Baḥr al-Jabal'' section. The Arabic word ' is derived from ' (), meaning "barrier" or "obstruction". The term "the sudd" has come to refer to any lar ...
and the
Okavango Delta The Okavango Delta (or Okavango Grassland; formerly spelled "Okovango" or "Okovanggo") in Botswana is a swampy inland delta formed where the Okavango River reaches a tectonic trough at an altitude of 930–1,000 m in the central part of the en ...
are Africa's best known marshland areas. The Bangweulu Floodplains make up Africa's largest swamp.


Asia

The
Mesopotamian Marshes The Mesopotamian Marshes, also known as the Iraqi Marshes, are a wetland area located in Southern Iraq and in southwestern Iran. The marshes are primarily located on the floodplains of the Euphrates and Tigris rivers bound by the cities of Basra, ...
is a large swamp and river system in southern
Iraq Iraq,; ku, عێراق, translit=Êraq officially the Republic of Iraq, '; ku, کۆماری عێراق, translit=Komarî Êraq is a country in Western Asia. It is bordered by Turkey to Iraq–Turkey border, the north, Iran to Iran–Iraq ...
, traditionally inhabited in part by the
Marsh Arabs The Marsh Arabs ( ar, عرب الأهوار ''ʻArab al-Ahwār'' "Arabs of the Marshlands"), also referred to as the Maʻdān ( ar, معدان "dweller in the plains") or Shroog (Iraqi ar, شروق, "those from the east")—the latter two often ...
. In Asia, tropical peat swamps are located in mainland East Asia and Southeast Asia. In Southeast Asia, peatlands are mainly found in low altitude coastal and sub-coastal areas and extend inland for distance more than along river valleys and across watersheds. They are mostly to be found on the coasts of East Sumatra, Kalimantan (Central, East, South and West Kalimantan provinces), West Papua, Papua New Guinea, Brunei, Peninsular Malaya, Sabah, Sarawak, Southeast Thailand, and the Philippines (Riley ''et al.'',1996). Indonesia has the largest area of tropical peatland. Of the total tropical peat swamp, about are located in Indonesia (Page, 2001; Wahyunto, 2006). The Vasyugan Swamp is a large swamp in the western
Siberia Siberia ( ; rus, Сибирь, r=Sibir', p=sʲɪˈbʲirʲ, a=Ru-Сибирь.ogg) is an extensive geographical region, constituting all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has been a part ...
area of the
Russian Federation Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...
. This is one of the largest swamps in the world, covering an area larger than
Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...
.


North America

The Atchafalaya Swamp at the lower end of the Mississippi River is the largest swamp in the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
. It is an important example of southern cypress swamp but it has been greatly altered by logging, drainage and levee construction. Other famous swamps in the United States are the forested portions of the
Everglades The Everglades is a natural region of tropical wetlands in the southern portion of the U.S. state of Florida, comprising the southern half of a large drainage basin within the Neotropical realm. The system begins near Orlando with the Kissim ...
,
Okefenokee Swamp The Okefenokee Swamp is a shallow, 438,000-acre (177,000 ha), peat-filled wetland straddling the Georgia–Florida line in the United States. A majority of the swamp is protected by the Okefenokee National Wildlife Refuge and the Okefenokee ...
, Barley Barber Swamp,
Great Cypress Swamp The Great Cypress Swamp (also known as ''Great Pocomoke Swamp'', ''Cypress Swamp'', or ''Big Cypress Swamp''), is a forested freshwater swamp located on the Delmarva Peninsula in south Delaware and southeastern Maryland. As of 2000, it is the larg ...
and the
Great Dismal Swamp The Great Dismal Swamp is a large swamp in the Coastal Plain Region of southeastern Virginia and northeastern North Carolina, between Norfolk, Virginia, and Elizabeth City, North Carolina. It is located in parts of the southern Virginia indepe ...
. The Okefenokee is located in extreme southeastern
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...
and extends slightly into northeastern
Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, and ...
. The
Great Cypress Swamp The Great Cypress Swamp (also known as ''Great Pocomoke Swamp'', ''Cypress Swamp'', or ''Big Cypress Swamp''), is a forested freshwater swamp located on the Delmarva Peninsula in south Delaware and southeastern Maryland. As of 2000, it is the larg ...
is mostly in
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacent ...
but extends into
Maryland Maryland ( ) is a state in the Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware and the Atlantic Ocean t ...
on the
Delmarva Peninsula The Delmarva Peninsula, or simply Delmarva, is a large peninsula and proposed state on the East Coast of the United States, occupied by the vast majority of the state of Delaware and parts of the Eastern Shore regions of Maryland and Virginia. ...
. Point Lookout State Park on the southern tip of Maryland contains a large amount of swamps and marshes. The
Great Dismal Swamp The Great Dismal Swamp is a large swamp in the Coastal Plain Region of southeastern Virginia and northeastern North Carolina, between Norfolk, Virginia, and Elizabeth City, North Carolina. It is located in parts of the southern Virginia indepe ...
lies in extreme southeastern
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the Atlantic Coast and the Appalachian Mountains. The geography and climate of the Commonwealth are ...
and extreme northeastern
North Carolina North Carolina () is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. The state is the List of U.S. states and territories by area, 28th largest and List of states and territories of the United ...
. Both are
National Wildlife Refuge National Wildlife Refuge System is a designation for certain protected areas of the United States managed by the United States Fish and Wildlife Service. The National Wildlife Refuge System is the system of public lands and waters set aside to ...
s. Another swamp area, Reelfoot Lake of extreme western
Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked U.S. state, state in the Southeastern United States, Southeastern region of the United States. Tennessee is the List of U.S. states and territories by area, 36th-largest by ...
and
Kentucky Kentucky ( , ), officially the Commonwealth of Kentucky, is a state in the Southeastern region of the United States and one of the states of the Upper South. It borders Illinois, Indiana, and Ohio to the north; West Virginia and Virginia ...
, was created by the 1811–12 New Madrid earthquakes. Caddo Lake, the Great Dismal and Reelfoot are swamps that are centered at large lakes. Swamps are often associated with ''
bayou In usage in the Southern United States, a bayou () is a body of water typically found in a flat, low-lying area. It may refer to an extremely slow-moving stream, river (often with a poorly defined shoreline), marshy lake, wetland, or creek. They ...
s'' in the
southeastern United States The Southeastern United States, also referred to as the American Southeast or simply the Southeast, is a geographical List of regions in the United States, region of the United States. It is located broadly on the eastern portion of the south ...
, especially in the
Gulf Coast The Gulf Coast of the United States, also known as the Gulf South, is the coast, coastline along the Southern United States where they meet the Gulf of Mexico. The list of U.S. states and territories by coastline, coastal states that have a shor ...
region. A
baygall A bayhead or baygall is a specific type of wetland or swamp habitat.Watson, Geraldine Ellis (2006) Big Thicket Plant Ecology: An Introduction, Third Edition (Temple Big Thicket Series #5). University of North Texas Press. 152 pp. Natural Communi ...
is a type of swamp found in the forest of the Gulf Coast states in the USA.Watson, Geraldine Ellis (2006) Big Thicket Plant Ecology: An Introduction, Third Edition (Temple Big Thicket Series #5). University of North Texas Press. Denton, Texas. 152 pp. Natural Communities of Louisiana
Bayhead Swamp/Forested Seep
Louisiana Department of Wildlife and Fisheries. Retrieved 7 July 2020.
Texas Parks and Wildlife. Ecological Mapping systems of Texas
West Gulf Coastal Plain Seepage Swamp and Baygall
Retrieved 7 July 2020


List of major swamps

The world's largest wetlands include significant areas of swamp, such as in the Amazon and Congo River basins. Further north, however, the largest wetlands are
bog A bog or bogland is a wetland that accumulates peat as a deposit of dead plant materials often mosses, typically sphagnum moss. It is one of the four main types of wetlands. Other names for bogs include mire, mosses, quagmire, and muskeg; a ...
s.


Africa

*
Bangweulu Swamps The Bangweulu Wetlands is a wetland ecosystem adjacent to Lake Bangweulu in north-eastern Zambia. The area has been designated as one of the world's most important wetlands by the Ramsar Convention and an "Important Bird Area" by BirdLife Internat ...
,
Zambia Zambia (), officially the Republic of Zambia, is a landlocked country at the crossroads of Central, Southern and East Africa, although it is typically referred to as being in Southern Africa at its most central point. Its neighbours are t ...
* Mare aux Songes,
Mauritius Mauritius ( ; french: Maurice, link=no ; mfe, label= Mauritian Creole, Moris ), officially the Republic of Mauritius, is an island nation in the Indian Ocean about off the southeast coast of the African continent, east of Madagascar. It ...
* *
Niger Delta The Niger Delta is the delta of the Niger River sitting directly on the Gulf of Guinea on the Atlantic Ocean in Nigeria. It is located within nine coastal southern Nigerian states, which include: all six states from the South South geopolitic ...
,
Nigeria Nigeria ( ), , ig, Naìjíríyà, yo, Nàìjíríà, pcm, Naijá , ff, Naajeeriya, kcg, Naijeriya officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf o ...
* Okavango Swamp,
Botswana Botswana (, ), officially the Republic of Botswana ( tn, Lefatshe la Botswana, label= Setswana, ), is a landlocked country in Southern Africa. Botswana is topographically flat, with approximately 70 percent of its territory being the Kalaha ...
*
Sudd The Sudd (' or ', Dinka: Toc) is a vast swamp in South Sudan, formed by the White Nile's '' Baḥr al-Jabal'' section. The Arabic word ' is derived from ' (), meaning "barrier" or "obstruction". The term "the sudd" has come to refer to any lar ...
,
South Sudan South Sudan (; din, Paguot Thudän), officially the Republic of South Sudan ( din, Paankɔc Cuëny Thudän), is a landlocked country in East Africa. It is bordered by Ethiopia, Sudan, Central African Republic, Democratic Republic of the ...


Asia

*
Asmat Swamp Asmat Swamp is a wetland on the southern coast of New Guinea, located within the Indonesian province of South Papua. It is sometimes claimed to be the largest alluvial swamp in the world, being said to have an area of around 30,000 km2. It is c ...
,
Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...
* Candaba Swamp in Apalit and
Candaba Candaba, officially the Municipality of Candaba ( Kapampangan: ''Balen ning Candaba''; tl, Bayan ng Candaba; formerly Candawe), is a 1st class municipality in the province of Pampanga, Philippines. According to the 2020 census, it has a populat ...
,
Pampanga Pampanga, officially the Province of Pampanga ( pam, Lalawigan ning Pampanga; tl, Lalawigan ng Pampanga ), is a province in the Central Luzon region of the Philippines. Lying on the northern shore of Manila Bay, Pampanga is bordered by Tarlac ...
and
Pulilan, Bulacan Pulilan, officially the Municipality of Pulilan ( tgl, Bayan ng Pulilan), is a 1st class municipality in the province of Bulacan, Philippines. According to the 2020 census, it has a population of 108,836 people. The town is famous for its Cara ...
, Philippines * Mangrove Swamp in
Karachi Karachi (; ur, ; ; ) is the most populous city in Pakistan and 12th most populous city in the world, with a population of over 20 million. It is situated at the southern tip of the country along the Arabian Sea coast. It is the former c ...
,
Pakistan Pakistan ( ur, ), officially the Islamic Republic of Pakistan ( ur, , label=none), is a country in South Asia. It is the world's fifth-most populous country, with a population of almost 243 million people, and has the world's second-lar ...
* Myristica Swamp in Western Ghats,
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
* Ratargul Swamp Forest in Sylhet,
Bangladesh Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, with a population exceeding 165 million people in an area of . Bangladesh is among the mos ...
*
Sundarbans Sundarbans (pronounced ) is a mangrove area in the delta formed by the confluence of the Padma, Brahmaputra and Meghna Rivers in the Bay of Bengal. It spans the area from the Baleswar River in Bangladesh's division of Khulna to the Hooghly R ...
in
India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
and
Bangladesh Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, with a population exceeding 165 million people in an area of . Bangladesh is among the mos ...
* Vasyugan Swamp,
Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...
* Negombo Swamp, Sri Lanka


Australia

* Coomonderry SwampPrice, C., & Kelly, A. (2011). ''National Wetlands Update 2011'' (No. 19; Annual Update for Australia’s Wetland Community, p. 56). Australian Government. https://www.environment.gov.au/system/files/resources/766781bf-a9d9-4c04-8a96-77bccd2e0426/files/wa-19.pdf * Coastal Swamp Oak Forest


Europe

*
Pripyat Marshes __NOTOC__ The Pinsk Marshes ( be, Пінскія балоты, ''Pinskiya baloty''), also known as the Pripet Marshes ( be, Прыпяцкія балоты, ''Prypiackija baloty''), the Polesie Marshes, and the Rokitno Marshes, are a vast natural ...
,
Belarus Belarus,, , ; alternatively and formerly known as Byelorussia (from Russian ). officially the Republic of Belarus,; rus, Республика Беларусь, Respublika Belarus. is a landlocked country in Eastern Europe. It is bordered by ...
*
Šúr Šúr is a national nature reserve in the Slovak municipalities of Svätý Jur and Chorvátsky Grob in the Pezinok District. The nature reserve covers an area of 655 ha and has a protective belt of 145 ha. It has a protection level of 3, 4 a ...
,
Slovakia Slovakia (; sk, Slovensko ), officially the Slovak Republic ( sk, Slovenská republika, links=no ), is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the s ...
*


North America

*
Atchafalaya National Wildlife Refuge The Atchafalaya National Wildlife Refuge is located about west of Baton Rouge, Louisiana, and one mile (1.6 km) east of Krotz Springs, Louisiana, lies just east of the Atchafalaya River. In 1988 under the administration of Governor Foster th ...
, Louisiana, United States *
Big Cypress National Preserve Big Cypress National Preserve is a United States National Preserve located in South Florida, about 45 miles (72 kilometers) west of Miami on the Atlantic coastal plain. The Big Cypress, along with Big Thicket National Preserve in Texas, becam ...
, Florida, United States * Barley Barber Swamp, Florida, United States * Cache River, Illinois, United States * Caddo Lake, Texas/Louisiana, United States *
Cibuco Swamp Cibuco Swamp (Spanish: ''Pantano de Cibuco'') is a swamp located in northern Puerto Rico in the municipality of Vega Baja. The swamp is found at the mouth of the Cibuco River, in the '' barrios'' Cabo Caribe, Cibuco and Puerto Nuevo. The swamp i ...
, Puerto Rico * Congaree Swamp, South Carolina, United States *
Everglades The Everglades is a natural region of tropical wetlands in the southern portion of the U.S. state of Florida, comprising the southern half of a large drainage basin within the Neotropical realm. The system begins near Orlando with the Kissim ...
, Florida, United States *
First Landing State Park First Landing State Park (formerly Seashore State Park) offers recreational opportunities at Cape Henry in the independent city of Virginia Beach, Virginia. As the first planned state park of Virginia, First Landing is listed on the National Reg ...
, Virginia, United States * Grand Kankakee Marsh, Indiana, United States *
Great Black Swamp The Great Black Swamp (also known simply as the Black Swamp) was a glacially fed wetland in northwest Ohio, sections of lower Michigan, and extreme northeast Indiana, United States, that existed from the end of the Wisconsin glaciation until t ...
, Indiana/Ohio, United States *
Great Cypress Swamp The Great Cypress Swamp (also known as ''Great Pocomoke Swamp'', ''Cypress Swamp'', or ''Big Cypress Swamp''), is a forested freshwater swamp located on the Delmarva Peninsula in south Delaware and southeastern Maryland. As of 2000, it is the larg ...
, Delaware and Maryland, United States, also known as Great Pocomoke Swamp *
Great Dismal Swamp The Great Dismal Swamp is a large swamp in the Coastal Plain Region of southeastern Virginia and northeastern North Carolina, between Norfolk, Virginia, and Elizabeth City, North Carolina. It is located in parts of the southern Virginia indepe ...
, North Carolina/Virginia, United States *
Great Swamp National Wildlife Refuge The Great Swamp National Wildlife Refuge is located in Morris County, New Jersey. Established in 1960, it now is among what has grown to be more than 550 refuges in the United States National Wildlife Refuge System. The initial portion of th ...
, New Jersey, United States * Green Swamp, Florida, United States * Green Swamp, North Carolina, United States *
Honey Island Swamp The Honey Island Swamp (french: Marais de l'Île-de-Miel) is a marshland located in the eastern portion of the U.S. state of Louisiana in St. Tammany Parish, Louisiana, St. Tammany Parish. Honey Island earned its name due to the abundance of honey ...
, Louisiana, United States *
Hudson Bay Lowlands The Hudson Bay Lowlands is a vast wetland located between the Canadian Shield and southern shores of Hudson Bay and James Bay. Most of the area lies within the province of Ontario, with smaller portions reaching into Manitoba and Quebec. Many wid ...
, Ontario, Canada * Limberlost, Indiana, United States *
Louisiana swamplands Lake Martin, located in St. Martin Parish, is a wildlife preserve and one of Louisiana's swamplands. The swamplands are home to a few trails as well as many different kinds of animals such as herons, egrets, ibis, bullfrogs, cottonmouths, alligat ...
, Louisiana, United States *
Mingo National Wildlife Refuge The Mingo National Wildlife Refuge is a 21,676-acre (87.7-km2) National Wildlife Refuge located in northwestern Stoddard and southeastern Wayne counties in Missouri. Its southwesternmost portion lies on the shores of Lake Wappapello. Named afte ...
, Puxico, Missouri, United States *
Okefenokee Swamp The Okefenokee Swamp is a shallow, 438,000-acre (177,000 ha), peat-filled wetland straddling the Georgia–Florida line in the United States. A majority of the swamp is protected by the Okefenokee National Wildlife Refuge and the Okefenokee ...
, Georgia/Florida, United States *
Pantanos de Centla The Pantanos de Centla (Centla swamps) are wooded wetlands along the coast in state of Tabasco in Mexico. They have been protected since 2006 with the establishment of the Pantanos de Centla Biosphere Reserve. It is also a World Wildlife Fund ...
, Tabasco/Campeche, Mexico * Reelfoot Lake, Tennessee/Kentucky, United States * Texas Swamplands, Texas, United States *
Tortuguero National Park Tortuguero National Park is a national park in the Limón Province of Costa Rica. It is situated within the Tortuguero Conservation Area of the northeastern part of the country. Despite its remote location, reachable only by airplane or boat, it ...
, Limón, Costa Rica *
Washington D.C. ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, Na ...
, District of Colombia, United States


South America

* Caribbean Lowlands, Colombia *
Esteros del Iberá Esteros may refer to: * Esteros (film), 2016 film * Esteros, Tamaulipas, town in Mexico {{disamb ...
,
Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...
* Lahuen Ñadi,
Chile Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...
*
Pantanal The Pantanal () is a natural region encompassing the world's largest tropical wetland area, and the world's largest flooded grasslands. It is located mostly within the Brazilian state of Mato Grosso do Sul, but it extends into Mato Grosso and ...
,
Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
, Bolivia and
Paraguay Paraguay (; ), officially the Republic of Paraguay ( es, República del Paraguay, links=no; gn, Tavakuairetã Paraguái, links=si), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to th ...
*
Paraná Delta The Paraná Delta ( es, Delta del Paraná) is the delta of the Paraná River in Argentina and it consists of several islands known as the Islas del Paraná. The Paraná flows north–south and becomes an alluvial basin (a flood plain) between t ...
,
Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...


See also

* * * * * * * * * * * * * * * * *


References


External links

* {{Authority control Flooded grasslands and savannas Terrestrial ecoregions Fluvial landforms Pedology Wetlands Forest ecology Bodies of water Lacustrine landforms