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Salt marsh during low tide, mean low tide, high tide and very high tide (spring tide). A coastal salt marsh in Perry, Florida, USA.. A salt marsh, saltmarsh or salting, also known as a coastal salt marsh or a tidal marsh, is a coastal ecosystem in the upper coastal intertidal zone between land and open saltwater or brackish water that is regularly flooded by the tides.
Salt marshes can be generally divided into the high marsh, low marsh, and the upland border. The low marsh is closer to the ocean, with it being flooded at nearly every tide except low tide. [53] The high marsh is located between the low marsh and the upland border and it usually only flooded when higher than usual tides are present. [53]
Salt marshes can be generally divided into the high marsh, low marsh, and the upland border. The low marsh is closer to the ocean, with it being flooded at nearly every tide except low tide. [25] The high marsh is located between the low marsh and the upland border and it usually only flooded when higher than usual tides are present. [25]
The main types of intertidal wetlands are mudflats (e.g., mangrove swamps) and salt marshes. The mangrove swamps are encountered along tropical shores and are characterized by tree vegetation, while salt marshes are mostly found in temperate zones and are mostly grass ecosystems. [1] Intertidal wetlands are commonly encountered in most estuaries.
Low marsh is a tidal marsh zone located below the Mean Highwater Mark (MHM). Based on elevation, frequency of submersion, soil characteristics, vegetation, microbial community, and other metrics, salt marshes can be divided to into three distinct areas: low marsh, middle marsh/high marsh, and the upland zone. [ 1 ]
English: One unified range map for all subspecies of Salt Marsh Snake - credit to various different sources (in print and internet) for data on the ranges of these three subspecies Date 2 June 2023
The salt-marsh communities of the NVC were described in Volume 5 of British Plant Communities, first published in 2000, along with the other maritime communities (those of shingle strandline and sand-dunes and maritime cliffs) and vegetation of open habitats.
The salt flats of Abu Dhabi are a typical example of this, with the evaporation of water occurring from the capillary fringe - a subsurface layer where groundwater seeps up from a water table - which intersects the surface. This activity has contributed to the creation of an expansive salt flat, covering approximately 36,000 square kilometers.