Geography Reference
In-Depth Information
FIGURE 6.10
Roads and trails promote the erosive flow of rainfall runoff, which erodes the road
or trail surface and also spills onto and erodes the surrounding slopes, Province of Pichincha,
Ecuador. (Photo by C. P. Harden.)
References
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Tree
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Agriculture and Agri-Food Canada. 2003. Canadian Soil Information System (CanSIS).
Ambrose, S. H., and Sikes, N. E. 1991. Soil carbon isotope evidence for Holocene habitat
change in the Kenya Rift-Valley.
Science
253(5026):1402-1405.
Bäumler, R., and Zech, W. 1994. Soils of the high mountain region of Eastern Nepal:
Classification, distribution and soil forming processes.
Catena
22(2): 85-103.
Billings, W. D. 1950. Vegetation and plant growth as affected by chemically altered rocks
in the western Great Basin.
Ecology
31: 62-74.
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