Occurrence of toxin-producing marine algae in the Canadian Arctic and adjacent waters / M. Pućko, K. Dionne, and C. Michel.: Fs97-4/3180E-PDF

"Here, we present an in-depth literature review of the occurrence of toxin-producing marine algal species in the Canadian Arctic within its five Biogeographic Regions (eastern Canadian Arctic, western Canadian Arctic, Canadian Arctic Basin, and Hudson Bay Complex) and in adjacent waters of western Greenland, northern Alaska and the Chukchi Sea. We show that almost 70% of species globally considered toxic are already present across various habitats of the Canadian Arctic and adjacent waters. Further, we present maps of their reported occurrence. The most prevalent taxonomic classes belonged to Dinophyceae and Bacillariophyceae, followed by Haptophyceae and Raphidophyceae. There are a few published studies documenting presence of marine phycotoxins in the Alaskan and Greenlandic sectors of the Arctic Ocean, but not in the Canadian sector as yet. Finally, we discuss implications of toxin-producing species presence in the Canadian Arctic and identify the most pressing scientific questions that need to be addressed"--Abstract, page iv.

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