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In ecology, a marsh is a wetland that is dominated by herbaceous plants rather than by woody plants. [1] More in general, the word can be used for any low-lying and seasonally waterlogged terrain. In Europe and in agricultural literature low-lying meadows that require draining and embanked polderlands are also referred to as marshes or marshland.
A freshwater marsh is a non-forested marsh wetland that contains shallow fresh water, and is continuously or frequently flooded. [ 1 ] [ 2 ] Freshwater marshes primarily consist of sedges, grasses, and emergent plants.
Determining the boundary of wetland, whether jurisdictional under sections 404 or 10, or not jurisdictional but still meeting the technical definition of a wetland, that is having the soils, vegetation and hydrology criterion met is called a "wetland delineation", and generally is performed by college graduates with natural science or biology ...
Marshland is a low-lying and seasonally waterlogged land. Marshland may also refer to: Marshland, 2014 Spanish film; Marshlands, Queensland; Marshland, New Zealand
The marsh drains to the southeast, with channels parallel to the coast, exiting between Circeo and Terracina. Although settlement on the mountain slopes began much earlier, deforestation by the Volsci began in the sixth century BC. The marsh rapidly acquired the alluvial deposits of the Amaseno Fan over the peat, bringing much of it above water.
Salt marsh showing salt pannes and ponds, spartina alternifolia and invasive phragmites communis in foreground. Brackish marsh panne variants occur in brackish marshes (short graminoid variant), one of the native dominant species is spike grass (Distichlis spicata), some brackish marsh pannes are dominated by the narrow-leaved cattail (Typha angustifolia) an invasive exotic species.
A constructed swale or bioswale built in a residential area to manage stormwater runoff. A swale is a shady spot, or a sunken or marshy place. [1] In US usage in particular, it is a shallow channel with gently sloping sides.
The Pan-American Highway is a system of roads measuring about 30,000 km (19,000 mi) [14] in length that runs north–south through the entirety of North, Central and South America, with the sole exception of a 106 km (66 mi) stretch of marshland and mountains between Panama and Colombia known as the Darién Gap.