What is an ombrotrophic bog?
by 
Erin Albrecht
ANSWERS: 1
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An ombrotrophic bog is an area of wet, spongy, peat-forming ground that derives its water supply and nutrients directly from rainfall. As a result, these bogs are very acidic (pH less than or equal to 4) and low in nutrients. They are generally dominated by Sphagnum mosses, black spruce, and ericaceous shrubs (plants in the heath family). If you have access to back issues of scientific journals, this paper is interesting: Bridgham, S.D., Updegraff, K., and Pastor, J. 1998. Carbon, Nitrogen, and Phosphorus Mineralization in Northern Wetlands. Ecology 79(5): 1545-1561.
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