Time series of all HAEDAT-recorded marine HAB events in the U.S., including PSTs, ASTs, DSTs, NSTs, marine mammal mortalities, and others (defined above). A) Number of events; B) Observed (bars) and modeled (line) proportions of U.S. HAEDAT zones with at least one HAB event. Also reported is the fitted linear logistic model and its significant p value (p<.05).