Water Quality Conditions in Upper Klamath and Agency Lakes, Oregon, 2006

Scientific Investigations Report 2008–5201

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2008–5201

Figure - refer to figure caption for alternative text description

Figure 9. Measurements of chlorophyll a and dissolved nutrient concentrations in relation to duration of a dissolved oxygen concentration less than 4 milligrams per liter in water samples collected from site MDN, Upper Klamath Lake, Oregon, 2002–06. (Ammonia and orthophosphate concentrations for 2006 were collected from site EPT, the site nearest to MDN.)

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