Upland and lowland
Types of plain / From Wikipedia, the free encyclopedia
For the province of Uppland in Sweden, see Uppland.
"Lowlands" redirects here. For the Low Countries, also known as the Low Lands, see Low Countries.
For other uses, see Lowland (disambiguation) and Upland.
Upland and lowland are conditional descriptions of a plain based on elevation above sea level. In studies of the ecology of freshwater rivers, habitats are classified as upland or lowland.