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This Earth 911 site offers a brief summary of red tide, a phenomenon caused by algae blooms of red phytoplankton. The article describes how and where red tides form and problems associated with red tide. It also features links to related red tide web sites.
Subject: Biology:Ecology:Principles, Habitats:Marine, Water Column, Biology:Microbiology:Microbiology and Health, Biology:Microbiology Resource Type: Scientific Resources:Overview/Reference Work Grade Level: General Public, College Lower (13-14), High School (9-12), Middle (6-8) Ocean Environments: Coastal and Estuarine, Surface Waters Theme: Teach the Earth:Course Topics:EcologyKeywords: harmful algae bloom, HAB, paralytic shellfish poisoning, PSP
