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The River continuum concept (RCC) was an attempt to construct a single framework to describe the function of temperate lotic ecosystems from the headwaters to larger rivers and relate key characteristics to changes in the biotic community (Vannote et al. 1980). [43]
The River Continuum Concept is based on the idea that a watercourse is an open ecosystem that is in constant interaction with the bank, and moving from source to mouth, constantly changing. [4] Basis for this change in the overall system is due to the gradual change of physical environmental conditions such as the width, depth, water, flow ...
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. [10] [11] River ecosystems are part of larger watershed networks or catchments, where smaller headwater ...
Limnology (/ l ɪ m ˈ n ɒ l ə dʒ i / lim-NOL-ə-jee; from Ancient Greek λίμνη (límnē) 'lake' and -λογία 'study of') is the study of inland aquatic ecosystems. [1] The study of limnology includes aspects of the biological, chemical, physical, and geological characteristics of fresh and saline, natural and man-made bodies of water.
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 ...
Works have begun on a 2.5km (1.5 miles) stretch of river to restore its ecosystem back to its original state. A revitalising programme has started on the River Ver, which is a rare chalk stream ...
River ecosystems are prime examples of lotic ecosystems. Lotic refers to flowing water, from the Latin lotus, meaning washed. Lotic waters range from springs only a few centimeters wide to major rivers kilometers in width. [16] Much of this article applies to lotic ecosystems in general, including related lotic systems such as streams and springs.
Amazon River near Manaus, Brazil, an example of a lowland river habitat. The generally more turbid, warm, slow-flowing waters and fine sediment beds of lowland rivers encourage fish species with broad temperature tolerances and greater tolerances to low oxygen levels, and life history and breeding strategies adapted to these and other traits of lowland rivers.