Water Quality Conditions in Upper Klamath and  Agency Lakes, Oregon, 2005

Scientific Investigations Report 2008–5026

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2008–5026

Figure - refer to figure caption for alternative text description

Figure 9. Weekly measurements of chlorophyll a and dissolved nutrient concentration in relation to the duration of a dissolved oxygen concentration of less than 4 milligrams per liter at water samples collected from site MDN, Upper Klamath Lake, Oregon, 2002–05. Note the difference in the scale of the chlorophyll a and nutrient axes among years.

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