Pseudo-nitzschia australis (Frenguelli), a toxigenic pennate diatom capable of producing the neurotoxin domoic acid (DA), was examined in unialgal laboratory cultures to quantify its physiological response to ocean acidification (OA) – the decline in pH resulting from increasing partial pressure of CO2 (pCO2) in the oceans. Toxic blooms of P. australis are common in the coastal waters of eastern boundary
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Synthesis of thresholds of ocean acidification impacts on echinoderms
Assessing the vulnerability of marine invertebrates to ocean acidification (OA) requires an understanding of critical thresholds at which developmental, physiological, and behavioral traits are affected. To identify relevant thresholds for echinoderms, we undertook a three-step data synthesis, focused on California Current Ecosystem (CCE) species. First, literature characterizing echinoderm responses to
Coastal eutrophication drives acidification, oxygen loss, and ecosystem change in a major oceanic upwelling system
Faycal Kessouri, James C. McWilliams, Daniele Bianchi, Martha Sutula, Lionel Renault, Curtis Deutsch, Richard A. Feely, Karen McLaughlin, Minna Ho, Evan M. Howard, Nina Bednaršek, Pierre Damien, Jeroen Molemaker, and Stephen B. Weisberg aDepartment of Biogeochemistry, Southern California Coastal Water Research Project, Costa Mesa, CA 92626; bDepartment of Atmospheric and