Increased Toxicity of Karenia brevis during Phosphate Limited Growth: Ecological and Evolutionary Implications Hardison, Donnie Ransom ; Sunda, William G. ; Shea, Damian ; Litaker, Richard Wayne Abstract Publication: PLoS ONE Pub Date: March 2013 DOI: 10.1371/journal.pone.0058545 Bibcode: 2013PLoSO...858545H