Contributors in Geography
Geography
Atlantic seaboard fall line
Geography; Geography
The physiographic border between the Piedmont and Atlantic coastal plain regions. The name derives from the river rapids and falls that occur as the water flows from the hard rocks of the higher ...
Biological diversity
Geography; Geography
A concept recognising the variety of life forms in an area of the Earth and the ecological interdependence of these life forms.
Base level
Geography; Geography
The lowest level to which a stream can erode its bed. The ultimate base level of all streams is, of course, the sea.