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Mesocosm studies on the influence of phosphate enrichment on ammonium and nitrate flux in an oligotrophic lake
Authors:Walter K. Dodds  John C. Priscu
Affiliation:(1) Dipartimento di Biologia Vegetale, Università di Roma "lsquo"La Sapienza"rsquo", 00100 Roma, Italy
Abstract:Twenty-two taxa of desmids are reported from a pool near Guma Valley (Sierra Leone). Six are new to the country. A new variety of Staurastrum hystrix (S. hystrix var. granulatum) is described.
Keywords:desmids  Africa  taxonomy  Staurastrum
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