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Chlorophyll and the Margalef Pigment Ratio in a Mountain Lake

B. J. Mathis
The American Midland Naturalist
Vol. 88, No. 1 (Jul., 1972), pp. 232-235
DOI: 10.2307/2424502
Stable URL: http://www.jstor.org/stable/2424502
Page Count: 4
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Chlorophyll and the Margalef Pigment Ratio in a Mountain Lake
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Abstract

Margalef's pigment diversity index was used to estimate the successional stage of a plankton community in a mountain lake. Although, other data suggested an oligotrophic lake with an immature plankton community, the index indicated a much older an dstable ecosystem. It seems apparent that more comparative studies on natural ecosystems are needed before the index can be valualbe in estimating successional stages in aquatic communities.

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