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Publicado por US Environmental Protection Agency, Duluth MN, 1976
Librería: Chequamegon Books, Washburn, WI, Estados Unidos de America
Center Stapled Booklet. Condición: Good. EPA-600/3-76-044. "Plant analysis for phosphorus in each of the Great Lakes showed that phosphorus concentrations in Cladophora corelated closely with the recognized pollution of the areas sampled.there was some evidence that vitamin B1 supply might limit Cladophora growth in the Great Lakes." 111 pages.The usual library markings, tape marks, inked-out numbers, stamps.; Ex University Library; 8 1/2 x 11 ''.