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A bog or bogland is a wetland that accumulates peat as a deposit of dead plant materials – often mosses, typically sphagnum moss. [1] It is one of the four main types of wetlands. Other names for bogs include mire, mosses, quagmire, and muskeg; alkaline mires are called fens.
A simple definition was provided by hydrologist Saila Parveen, "Haor – seasonal wetland, baor – oxbow lake, and beel – perennial water body." [13] Jheels or baors are found mostly in the moribund delta as in greater Comilla, Faridpur, Dhaka and Pabna districts. [3] [9] The haor is predominantly a feature of north-eastern Bangladesh.
Mangrove forests, also called mangrove swamps, mangrove thickets or mangals, are productive wetlands that occur in coastal intertidal zones. [1] [2] Mangrove forests grow mainly at tropical and subtropical latitudes because mangrove trees cannot withstand freezing temperatures. There are about 80 different species of mangroves, all of which ...
A simplified definition of wetland is "an area of land that is usually saturated with water". [14] More precisely, wetlands are areas where "water covers the soil, or is present either at or near the surface of the soil all year or for varying periods of time during the year, including during the growing season". [15]
The Caroni Swamp has a total of 20 endangered species and is ecologically diverse. It provides a variety of habitats for flora and fauna. Caroni Swamp supports a rich biodiversity. It is a very productive area of wetland that provides food (organic production) and also provides protection. It is also a nursery for marine and freshwater species.
Wetlands can be part of the lentic system, as they form naturally along most lake shores, the width of the wetland and littoral zone being dependent upon the slope of the shoreline and the amount of natural change in water levels, within and among years. Often dead trees accumulate in this zone, either from windfalls on the shore or logs ...
The degree of salinity in an estuary or delta is an important control upon the type of wetland (fresh, intermediate, or brackish), and the associated animal species. Dams built upstream may reduce spring flooding, and reduce sediment accretion, and may therefore lead to saltwater intrusion in coastal wetlands. [20]