Anatural region (landscape unit) is a basic geographic unit. Usually, it is aregion which is distinguished by its common natural features ofgeography,geology, andclimate.[1]
From theecological point of view, the naturally occurring flora and fauna of the region are likely to be influenced by its geographical and geological factors, such assoil andwater availability, in a significant manner. Thus most natural regions are homogeneousecosystems. Human impact can be an important factor in the shaping and destiny of a particular natural region.[2]
The concept "natural region" is a large basic geographical unit, like the vastboreal forest region.[3] The term may also be used generically, like inalpine tundra, or specifically to refer to a particular place.
The term is particularly useful where there is no corresponding or coterminous official region.The Fens of easternEngland, theThai highlands, and thePays de Bray in Normandy, are examples of this. Others might include regions with particular geological characteristics, likebadlands, such as theBardenas Reales, an uplandmassif of acidic rock, orThe Burren, inIreland.
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