Toxic Algal Blooms in a Changing Coastal Ocean - University of PDF
Preview Toxic Algal Blooms in a Changing Coastal Ocean - University of
Toxic Algal Blooms in a Changing Coastal Ocean Dave Hutchins Marine Environmental Biology University of Southern California Harmful algal blooms “Red tide” Saxitoxin Dinoflagellate (Alexandrium catenella) Economic impacts Environmental impacts Humpback whale killed by red tide toxins Algae bloom kills record number of manatees Massive mortality of red abalone, September 2011, Mendocino county, CA Gonyaulax spinifera Ocean acidification Global warming Royal Society, 2005 How will global change affect harmful algal blooms and toxin production? Warming favors dinoflagellate blooms Cloern et al. 2005, GRL 32 Dinoflagellate range extensions in a warming ocean Hallegraef 2010, J. Phycol 46 Warming greatly extends the bloom season for Alexandrium catenella Moore et al. 2008, Environmental Health 7 Interactions between multiple global change factors 1. Warming 2. Acidification 3. Nutrients
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