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backswamp
Area of low, ill-drained ground on a floodplain away from the main channel. It stands slightly lower than adjacent alluvial fans extending from the valley sides, and is below natural levées that rise ...
delta plain
The lowland area that lies to the landward side of a delta front. It is covered by lakes, salt marshes, freshwater marshes, and tidal flats crossed by one or more distributary channels.
distributary channel
A natural stream channel that branches from a trunk stream which it may or may not rejoin. It occurs typically on the surface of an alluvial fan or delta, where it may be part of a complex, ...
drainage
1 The passage of water over and through the land surface, ultimately towards the sea. See dendritic drainage; deranged drainage; discordant drainage; drainage density; drainage pattern; inconsequent ...
emergent wetland
A type of wetland (such as a marsh) that is dominated by grasses, sedges, rushes, forbs, and other rooted, water‐loving herbaceous plants that emerge from the surface of water or soil.
Everglades
A vast area of marshland and coastal mangrove in southern Florida, part of which is protected as a national park.
farm sizes
In the early Middle Ages most families earned a living farming a customary bovate or carucate of 10 to 15 acres of arable land with grazing and other rights on the commons. A few wealthier families ...
fen
An area of wetland vegetation that receives its water by both rainfall and ground water flow (rheotrophic), and in which the summer water table is at or below the surface of the sediment. Fens are ...
great soil groups
A soil classification that was devised in 1949, categorizing soils according to the climatic conditions in which they form. Soils were placed in three orders. Zonal soils are directly related to the ...
marsh Quick reference
World Encyclopedia
Flat, wetland area, devoid of peat, saturated by moisture during one or more seasons. Typical vegetation includes grasses, sedges, reeds
marshlands Quick reference
The Oxford Companion to Local and Family History (2 ed.)
The low‐lying, ill‐drained lowlands near the coast, e.g. Romney Marsh (Kent and Sussex), were superficially like the fens but had a distinctive farming economy that allowed many ...
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marshy tundra
Marshy tracts (see marsh) that are found as important components in the low-, middle-, and high-arctic tundra belts, because drainage is frequently poor as a result of the widespread presence of ...
methanogen
Prokaryotes that belong to the phylum Euryarcheota of the Archaea (See Classification). They live in oxygen-free environments and generate methane by the reduction of carbon dioxide. See ...
palustrine wetland
Any non‐tidal wetland that is dominated by trees, shrubs, persistent emergent plants, emergent mosses or lichens, and small, shallow open water ponds. Examples include swamps, marshes, bogs, and fens.
phragmites
(reed-grasses; family Poaceae)A genus of tall, stout grasses which have robust stems and large plumes of slender spikelets forming a nodding panicle. They are perennial with rhizomes. The ligule is a ...
rank vegetation
Grassland or marsh vegetation that has grown abundantly without being cut or grazed for some time, and as a result has become tall, tussocky, and dominated by coarse species of grass.
Sphagnum
A genus of mosses, distributed worldwide, that are found, often abundantly, in wet, acidic habitats (bogs, marshes, pools, moors, wet woodland, damp grassland, etc.) There are many species, which are ...
