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Previous approaches had their disadvantages because they only described small zones of water and had no consideration for the system in its entirety. [23] In practice, the River Continuum Concept is used today mainly for environmental assessment of rivers. River studies that assess riverine biological communities and have determined the species ...
Dendritic drainage: the Yarlung Tsangpo River, Tibet, seen from space: snow cover has melted in the valley system. In geomorphology, drainage systems, also known as river systems, are the patterns formed by the streams, rivers, and lakes in a particular drainage basin. They are governed by the topography of land, whether a particular region is ...
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 ...
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The ecosystem of a river includes the life that lives in its water, on its banks, and in the surrounding land. [19] The width of the channel of a river, its velocity, and how shaded it is by nearby trees. Creatures in a river ecosystem may be divided into many roles based on the River Continuum Concept. "Shredders" are organisms that consume ...
If a river flows into a lake or sea, it is the region in which the slope of the river decreases because the lower water flux permitted at the mouth causes the water to back up. Where the river outlet is strongly affected by tides , the cyclic change in base level changes the portion of the river that is a backwater.
river_system or parent: Name of the river system. basin_landmarks or landmark: Popular landmarks along the river. Use commas for multiple. basin_population: Population within the river basin. basin_size: Size of the river's drainage basin. Consider using {{Convert|1234|km2|mi2|abbr=on}} basin_size_km2: Size of the river's drainage basin, in ...
In hydrology, a main stem or mainstem (also known as a trunk) is "the primary downstream segment of a river, as contrasted to its tributaries". [ 1 ] [ 2 ] The mainstem extends all the way from one specific headwater to the outlet of the river, although there are multiple ways to determine which headwater (or first-order tributary) is the ...