Geoscience Reference
In-Depth Information
Fig. 1.1
(
a
) Publications in
and (
b
) total citations to
“soils of polar regions” in the
Web of Science 1995 through
2013
… liquid … and gases … which occurs on the land surface, occupies space, and is
organized into horizons which are readily distinguishable from the initial material
as a result of additions, losses, transfers, and transformation of energy and matter.”
Inasmuch as cryptogams and microbiota are present on and within the soils of
Antarctica, he argued that Antarctic soils “supported plants out-of-doors.” By the
second edition of
Soil Taxonomy
(Soil Survey Staff
1999
), the soils community had
accepted his defi nition in recognition of soils in Antarctica.
The term “cryosol” is widely accepted in the cryopedological literature and has
been adopted as a key soil group in the
World Reference Base for Soil Resources
