This field 50-leaf guide was created for the citizen volunteers who provide a first-alert system to the Maine Department of Marine Resources by watching for the presence of potentially toxic phytoplankton along the coast. The waterproof cards (held in a three-ring binder) provide color images from light microscopes at 200X or 400X, as well as identifying characteristics, natural history facts, and known impacts of 22 types of phytoplankton. A glossary, size chart, bibliography, and a brief about zooplankton are also included.
White, Susan, "Field Guide to Phytoplankton in the Gulf of Maine" (2003). Maine Sea Grant Publications. 28.
publisher's version of the published document
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