'Mudflats' are coastal wetlands that form when mud is deposited by the tides or rivers, sea and oceans. They are found in sheltered areas such as
bays,
bayous,
lagoons, and
estuaries. Mudflats may be viewed
geologically as exposed layers of
bay mud, resulting from deposition of
estuarine silts, clays and marine animal
detritus.
Mudflats are typically important regions for wildlife, supporting a large population, although levels of biodiversity are not particularly high. They are often of particular importance to
migratory birds. In the
United Kingdom mudflats have been classifed as a
Biodiversity Action Plan priority habitat.
The maintenance of mudflats is important in preventing coastal erosion. However, mudflats worldwide are under threat from predicted
sea level rises, land claims for development,
dredging due to shipping purposes, and
chemical pollution.
Major world mudflats
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Wadden Sea:
Netherlands,
Germany,
Denmark
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Bridgwater Bay &
Morecambe Bay:
United Kingdom
★
Chongming Dongtan Nature Reserve,
Shanghai,
China
★
Banc d'Arguin,
Mauritania
★
Lindisfarne Island, England
★
San Francisco Bay,
United States
★
Cape Cod Bay,
United States
★
Minas Basin,
Nova Scotia,
Canada
★
Yellow Sea,
Korea
Trivia
Humphrey the whale, who may have been the most famous cetacean in history, was rescued from a beached condition on a mudflat, immediately north of the
Dakin building at Sierra Point in
San Francisco Bay.
See also
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Wetland
★
Coastal wetland
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Intertidal zone
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Estuary
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Humphrey the whale
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Bay mud