Association of Polar Early Career Scientists

Polar Week Fall 2016 Figure Competition

Ruth C. Heindel
Dartmouth College
Conceptual framework for understanding the role of biological soil crusts (biocrusts) in the West Greenland landscape. Starting in a high productivity stable state (shrub and graminoid tundra), wind disturbance can remove soil and vegetation, exposing loess and glacial till. After biocrust development, the role of the biocrust either as a permanent landscape cover or a successional facilitator determines whether the landscape remains in a low productivity stable state or returns to the initial high productivity state. Concept from Bowker et al., 2007.

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