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A ravine is a landform that is narrower than a canyon and is often the product of streambank erosion. Ravines are typically classified as larger in scale than gullies, although smaller than valleys. [1] Ravines may also be called a cleuch, dell, ghout , gill or ghyll, glen, gorge, kloof (South Africa), and chine (Isle of Wight)
A valley is an elongated low area often running between hills or mountains and typically containing a river or stream running from one end to the other. Most valleys are formed by erosion of the land surface by rivers or streams over a very long period. Some valleys are formed through erosion by glacial ice. These glaciers may remain present in ...
Others consider the Kali Gandaki Gorge in midwest Nepal to be the deepest canyon, with a 6,400-metre (21,000 ft) difference between the level of the river and the peaks surrounding it. [citation needed] Vying for the deepest canyon in the Americas is the Cotahuasi Canyon and Colca Canyon, in southern Peru. Both have been measured at over 3,500 ...
Gould's Ecoregions of Texas (1960). [1] These regions approximately correspond to the EPA's level 3 ecoregions. [2]The following is a list of widely known trees and shrubs found in Texas.
The debate between "native" and "exotic" plants gets complicated because in order for the term to mean anything, we have to agree on the definition.
Canyon – Deep chasm between cliffs, includes gorge. Dale (landform) – Open valley; Coulee – Type of valley or drainage zone; Gully – Landform created by running water and/or mass movement eroding sharply into soil; Ravine – Small valley, often due to stream erosion; Valley – Low area between hills, often with a river running through it
The loss of fertile farmland due to gully erosion is a severe environmental problem that lowers crop quality and may cause famine and food shortages. It also causes the soil to lose organic content, which has an impact on plant viability. As items washed from fields end up in rivers, streams, or vacant land, erosion also contaminates the ecosystem.
If you or a loved one is experiencing an allergic reaction after coming into contact with a poisonous plant, you can call Texas Poison Control at (800) 222-1222 to seek help.