Climate Change at a Crossroad for Control of Harmful Algal Blooms

Environmental Science & Technology (Oct. 14, 2015; DOI: 10.1021/acs.est.5b03990) / by Karl E. Havens and Hans W. Paerl

Because of climate change, we are at a crossroad with regard to control of harmful algal blooms, and must aggressively tackle the problem before it becomes so difficult that in many ecosystems we are faced with the option of allowing these microorganisms to go unchecked…The longer we wait to take actions to control blooms, and the more time that climate change has to exert synergistic effects with nutrients, the less likely it becomes that controls will be attained. A climate-driven change in water temperature,including both a general warming and more extremes, can modify phytoplankton community by favoring bloom-forming cyanobacteria, which are able to take advantage of warmerconditions and increasing hydrologic extremes…

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