Northern Great Plains – North Dakota The Role of Dissolved Organic Material in Regulating Primary Production in Prairie Saline Lakes Jasmine Saros, Courtney Wigdahl, Carmen Daggett August 2006, May 2009 Lake ecosystems are often defined in terms of a trophic paradigm, in which lake productivity is considered a direct function of nutrient loading. This paradigm read more The Role of Dissolved Organic Material in Regulating Primary Production in Prairie Saline Lakes