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Carbon Dioxide Concentration Gradients above the Soil Surface at High Elevations

H. A. Mooney, B. R. Strain and Marda West
The American Midland Naturalist
Vol. 79, No. 2 (Apr., 1968), pp. 436-440
DOI: 10.2307/2423189
Stable URL: http://www.jstor.org/stable/2423189
Page Count: 5
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Carbon Dioxide Concentration Gradients above the Soil Surface at High Elevations
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Abstract

Carbon dioxide profiles were measured in four high-elevation habitats in the White Mountains of California. The CO2 content was found to change little between day and night and at different levels above the ground within an alpine fell field and carex dry meadow (3,870 m elevation). By contrast, relatively large concentration changes were found with time and height above the ground at the edge of a subalpine forest and a subalpine carex meadow (3,094 m). The possibility of short-term recycling of the abundant carbon dioxide of soil origin by the low growing meadow vegetation is proposed.

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