Harmful Algae and Their Global Distribution -- An Introduction to Harmful Algae -- Molecular Taxonomy of Harmful Algae -- The Biogeography of Harmful Algae -- Importance of Life Cycles in the Ecology of Harmful Microalgae -- The Ecology of Major Harmful Algae Groups -- The Ecology of Harmful Dinoflagellates -- The Ecology of Harmful Flagellates Within Prymnesiophyceae and Raphidophyceae -- The Ecology of Harmful Diatoms -- Ecology of Harmful Cyanobacteria -- Brown Tides -- The Ecology and Physiology of Harmful Algae -- Harmful Algal Bloom Dynamics in Relation to Physical Processes -- Ecological Aspects of Harmful Algal In Situ Population Growth Rates -- Harmful Algae and Cell Death -- The Diverse Nutrient Strategies of Harmful Algae: Focus on Osmotrophy -- Phagotrophy in Harmful Algae -- Allelopathy in Harmful Algae: A Mechanism to Compete for Resources? -- Trace Metals and Harmful Algal Blooms -- Molecular Physiology of Toxin Production and Growth Regulation in Harmful Algae -- Chemical and Physical Factors Influencing Toxin Content -- Relationships Between Bacteria and Harmful Algae -- Harmful Algae and the Food Web -- Harmful Algae Interactions with Marine Planktonic Grazers -- Pathogens of Harmful Microalgae -- Phycotoxin Pathways in Aquatic Food Webs: Transfer, Accumulation and Degradation -- Studying and Mitigating Harmful Algae: New Approaches -- Molecular Approaches to the Study of Phytoplankton Life Cycles: Implications for Harmful Algal Bloom Ecology -- Laboratory and Field Applications of Ribosomal RNA Probes to Aid the Detection and Monitoring of Harmful Algae -- Mitigation and Controls of HABs -- Human Impact on Harmful Algae and Harmful Algae Impact on Human Activity -- The Complex Relationships Between Increases in Fertilization of the Earth, Coastal Eutrophication and Proliferation of Harmful Algal Blooms -- "Top-Down" Predation Control on Marine Harmful Algae -- Climate Change and Harmful Algal Blooms -- Anthropogenic Introductions of Microalgae -- The Economic Effects of Harmful Algal Blooms.