Red Tides
http://www.pac.dfo-mpo.gc.ca/fm-gp/contamination/biotox/index-eng.htm

Communications Directorate, Department of Fisheries and Oceans


This comprehensive website answers questions such as: what is red tide, where are they found, why do they occur, how do they affect marine organisms, how do they affect humans, how are shellfish tested for the toxin, and what is being done to remediate the red tide problem. The site features color pictures and black and white maps.

This resource is referenced here:
Subject: Biology:Ecology:Principles, Habitats:Marine, Water Column, Biology:Microbiology, Microbiology:Microbiology and Health
Resource Type: Scientific Resources:Overview/Reference Work
Grade Level: General Public, College Upper (15-16), College Lower (13-14), High School (9-12), Middle (6-8)
Ocean Environments: Coastal and Estuarine, Shallow Sea Floor/Continental Shelf
Topics: Biosphere:Ecology:Habitats:Water Column, Marine, Biosphere:Microbiology and Health, Ecology:Food Webs, Biosphere:MicrobiologyKeywords: Harmful algal bloom, HAB, Paralytic Shellfish Poisoning, PSP, Diarrhetic Shellfish Poisoning, DSP, Amnesic Shellfish Poisoning, ASP