Wetlands are sort of like transition areas between bodies of water and lands. Most are characterized by shallow standing water for most of the year, with vegetation which rises above the water, and which is adapted to thrive in saturated conditions. The major types are swamps and marshes, which are typically misunderstood to be the same thing with different names. However, they are different in regard to their plant life: trees are the dominant vegetation in swamps, while grasses and rushes are most common in marshes. Wetlands are very valuable natural resources; they work to clean and recharge water supply, provide large habitats for fish and other wildlife, and store floodwaters. For this reason, the EPA and other agencies are working to preserve them across the USA.
Other than swamps or marshes, wetlands may be referred to as bogs, vernal pools, fens, playa lakes, potholes or pocosins. They are home to various types of plants, fish and birds, serving as breeding grounds for some migratory species. Coastal wetlands have important environmental functions including the protection of shorelines, reduction of flooding and the filtering of contaminants in the water.
Wetlands can be found throughout the world. Below is a list of some of these locations.
*Canadian boreal forest
*Mississippi River delta
*Florida sawgrass marsh
*Mangroves on the Pacific side of Central America
*Dead Sea drainage system
*Great Rift Valley
*Southeast Asian lagoons
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