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Ecology

Healthy competition

Noxious cyanobacteria pose a considerable health threat to freshwater ecosystems. Research now suggests that toxic strains may be outcompeted by their non-toxic counterparts as surface concentrations of carbon dioxide increase.

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Figure 1: A Microcystis bloom on Lake Tai (Taihu), China.

© STEVEN W. WILHELM

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Correspondence to Steven W. Wilhelm.

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Wilhelm, S., Boyer, G. Healthy competition. Nature Clim Change 1, 300–301 (2011). https://doi.org/10.1038/nclimate1202

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