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The monitoring of the sediment yield of a river is important for ecologists to understand the health of its ecosystems, the rate of erosion of the river's environment, and the effects of human activity. [11] The Nile in Egypt is known for its fertile floodplains, which flood annually.
The relationship between humans and rivers, which represent freshwater environments, is complicated. Rivers serve primarily as a freshwater resource and as sinks for domestic and industrial waste water. The consequences from this usage occur from diverse activities and root themselves in complex, interdisciplinary systems and practices. [4]
This stream operating together with its environment can be thought of as forming a river ecosystem. 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.
Rain falling over a drainage basin in Scotland.Understanding the cycling of water into, through, and out of catchments is a key element of hydrology. Hydrology (from Ancient Greek ὕδωρ (húdōr) 'water' and -λογία () 'study of') is the scientific study of the movement, distribution, and management of water on Earth and other planets, including the water cycle, water resources, and ...
A river valley civilization is an agricultural nation or civilization situated beside and drawing sustenance from a river. A river gives the inhabitants a reliable source of water for drinking and agriculture. Some other possible benefits for the inhabitants are fishing, fertile soil due to annual flooding, and ease of transportation.
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The book was revised and reissued in 2009 with illustrations by Caldecott Medalists Leo and Diane Dillon. The new edition received an international children's book design award in 2012. The Secret River is the only book Rawlings wrote specifically for children. The story of young Calpurnia, who goes on a quest to find a magical river and catch ...
Seasonality is important for macroinvertebrate densities, and is characterized by temperature, like summer and winter, or it can be characterized by wetness, like wet and dry seasons. Macroinvertebrates are found in lower abundance during the rainy or wet season due to the high, constant amount of water into the riffle changing the system’s ...