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The Nitrogen Cycle in the Central Peruvian Andes

by Woolley, McKenzie L.

Abstract

The central Peruvian Andes is a region of varied geology and land use, likely affecting the surrounding watersheds in a variety of ways. Abnormally high levels of nitrite were measured in several streams in the Lake Junin and Cordillera Blanca regions. These high nitrite concentrations could be explained by several mechanisms: an artifact of sampling and storage, nutrient limitation, oxygen limitation, reduced reactions with hydroxyl radicals due to a reduction in Fenton oxidation reactions, pollution from Mn, As or NO2- or any combination of these factors. High nitrite levels are of concern because they can cause methemoglobinemia, a potentially fatal condition for infants or people with weak immune systems. Further studies are needed to better understand the cause behind the unusually high concentrations of nitrite in these streams, as well as the overall input of the cycle of nitrogen.

Note

Includes bibliographical references

Excel 2003

Administrative Notes
Copyright
None
Publisher
Colorado College
PID
coccc:5924
Digital Origin
born digital
Extent
44p. ill. map(s).
Thesis
Senior Thesis -- Colorado College
Thesis Advisor
Reuer, Matt
Department/Program
Environmental Program
Degree Name
bachelor
Degree Type
Bachelor of Arts
Degree Grantor
Colorado College
Date Issued
2012