Ecological Consequences of a Century of Warming in Lake Tanganyika

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Science  25 Jul 2003:
Vol. 301, Issue 5632, pp. 505-507
DOI: 10.1126/science.1084846

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Deep tropical lakes are excellent climate monitors because annual mixing is shallow and flushing rates are low, allowing heat to accumulate during climatic warming. We describe effects of warming on Lake Tanganyika: A sharpened density gradient has slowed vertical mixing and reduced primary production. Increased warming rates during the coming century may continue to slow mixing and further reduce productivity in Lake Tanganyika and other deep tropical lakes.

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