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The flow of a river can act as a means of transportation for plant and animal species, as well as a barrier. For example, the Amazon River is so wide in parts that the variety of species on either side of its basin are distinct. [19] Some fish may swim upstream to spawn as part of a seasonal migration.
Wadi – River valley, especially a dry riverbed that contains water only during times of heavy rain; Waterfall – A point in a river or stream where water flows over a vertical drop; Watershed – Land area where water converges to a common outlet; Wave-cut platform – Narrow flat area created by erosion
River ecosystems are flowing waters that drain the landscape, and include the biotic (living) interactions amongst plants, animals and micro-organisms, as well as abiotic (nonliving) physical and chemical interactions of its many parts. [1] [2] River ecosystems are part of larger watershed networks or catchments, where smaller headwater streams ...
several different meanings related to wetland or aquatic features. Source: the original point from which the river or stream flows. A river's source is sometimes a spring. Shoal: a natural submerged ridge, bank, or bar that consists of, or is covered by, sand or other unconsolidated material, and rises from the bed of a body of water to near ...
Depending on its location or certain characteristics, a stream may be referred to by a variety of local or regional names. Long, large streams are usually called rivers, while smaller, less voluminous and more intermittent streams are known, amongst others, as brook, creek, rivulet, rill, run, tributary, feeder, freshet, narrow river, and ...
The Swedish side of Torne River has a distributary called the Tärendö River, which on average transports 57% of the water of the Torne River into the Kalix River. [11] The Barak River splits into two major rivers at the India-Bangladesh border. [12] The Karnali River bifurcates in Nepal and the two parts rejoin after flowing into India for 80 ...
River mouth of the Júcar, Cullera. A river mouth is where a river flows into a larger body of water, such as another river, a lake/reservoir, a bay/gulf, a sea, or an ocean. [1] At the river mouth, sediments are often deposited due to the slowing of the current, reducing the carrying capacity of the water. [1]
A backwater is a part of a river in which there is little or no current. It can refer to a branch of a main river, which lies alongside it and then rejoins it, or to a body of water in a main river, backed up by the sea tide or by an obstruction such as a dam. [1]