In hydrology, a stream pool is a stretch of a river or stream in which the water depth is above average and the water velocity is below average.
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👉 Stream pool in the context of Freshwater ecosystem
Freshwater ecosystems are a subset of Earth's aquatic ecosystems that include the biological communities inhabiting freshwater waterbodies such as lakes, ponds, rivers, streams, springs, bogs, and wetlands. They can be contrasted with marine ecosystems, which have a much higher salinity. Freshwater habitats can be classified by different factors, including temperature, light penetration, nutrients, and vegetation.
There are three basic types of freshwater ecosystems: lentic (slow moving water, including pools, ponds, and lakes), lotic (faster moving streams, for example creeks and rivers) and wetlands (semi-aquatic areas where the soil is saturated or inundated for at least part of the time). Freshwater ecosystems contain 41% of the world's known fish species.
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Stream pool in the context of Oxbow lake
An oxbow lake is a U-shaped lake or pool that forms when a wide meander of a river is cut off, creating a free-standing body of water. The word "oxbow" can also refer to a U-shaped bend in a river or stream, whether or not it is cut off from the main stream. It takes its name from an oxbow which is part of a harness for oxen to pull a plough or cart.
In South Texas, oxbows left by the Rio Grande are called resacas. In Australia, oxbow lakes are called billabongs.