Lee Kong Chian Natural History Museum

Freshwater Marsh/Pond

Photo credit: Wang Luan Keng

Description

A freshwater marsh is a low-lying land area, usually located near river mouths, where freshwater drains into to form a type of wetland which is subjected to frequent or continuous floodings. Covered by shallow water, a freshwater marsh is typically dominated by grasses, sedges and other herbaceous plants or hydrophytes that are able to tolerate flooding. Such habitats can be teeming with abundant organisms ranging from microscopic life such as plankton to larger vertebrates such as frogs, rails and herons.

Freshwater marshes are rather rare in Singapore. One can still find substantially extensive freshwater marshes in the Kranji Marshes (formed due to the damming of Sungei Kranji), Sungei Buloh Wetland Reserve and the Poyan Marshes (where it is protected due to its location in the military zone of the Western Catchment Area).

Freshwater marshes around the world have been considered as 'wastelands' of little economic importance. Therefore, many of these habitats have been drained for agriculture and filled in for further building and development. They are also threatened by factors such as pollution and changing water cycles.

Keywords

Freshwater Marsh, Freshwater Pond

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