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Science 8 September 1978:
Vol. 201. no. 4359, pp. 901 - 902
DOI: 10.1126/science.201.4359.901
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Articles

Carbon-13 Depletion in a Subalpine Lake: Carbon Flow Implications

GREG RAU 1

1 College of Forest Resources, University of Washington, Seattle 98195

Plankton (larger than 76 micrometers) taken from an undisturbed oligotrophic was found to have dgr13C values (=13/12C relative to the Pee Dee be- belemnite standard) rangingfrom –44 to –47 per mil. This extraordinary 13C depletion, together with characteristics of the inorganic carbon pool, indicates that lake respiration as well as surrounding soil respiration provide important carbon sources for plankton production in this lake.

Submitted on January 4, 1978
Revised on April 10, 1978


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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Holocene palaeolimnology of Kajemamm Oasis, Northern Nigeria: an isotopic study of ostracodes, bulk carbonate and organic carbon.
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