USGS Scientific Investigations Report 2012-5069  - Spatial and Temporal Dynamics of Cyanotoxins and Their Relation to Other Water Quality Variables in Upper Klamath Lake, Oregon, 2007

Scientific Investigations Report 2012-5069 

Spatial and Temporal Dynamics of Cyanotoxins and Their Relation to Other Water Quality Variables in Upper Klamath Lake, Oregon, 2007–09 

Figure 7. Median concentrations of total microcystins and (A) the ratio of total nitrogen to total phosphorus and (B) the ratio of dissolved inorganic nitrogen to dissolved inorganic phosphorus in Upper Klamath Lake, Oregon, 2009.

First posted May 30, 2012

Report PDF (2.5 MB)

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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