Fungus Spores in East African Lake Sediments. IV.

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Abstract
A 5.75-meter long core of sediment from Lake Mahoma has been re-examined to determine (1) the total population of fungus spores per cubic centimeter of material at different levels and (2) the distribution of the different kinds throughout the entire profile. A maximum of 60,912 spores per cubic centimeter of sediment occurred medianly between the one- and two-meter levels. The fungus flora consisted of approximately 40 kinds, only 2 of which were present at nearly all levels in the highly organic portion of the profile, whereas the basal silt portion contained relatively few spores. The pattern of spore distribution shows a trend toward decline in numbers with an increase in profile depth, an unexplained finding that accords with that previously noted both for Lake Bujuku and for Lake Tanganyika.

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