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, 2007–09 

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Scientific Investigations Report 2012-5069 

Prepared in cooperation with the Bureau of Reclamation 

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

By Sara L. Caldwell Eldridge, Tamara M. Wood, and Kathy R. Echols  

Contents

Conversion Factors and Datums 

Interannual Variability, 2007–09 

Relations Between Microcystin Concentrations and Other Water Quality Variables 

Seasonal Variability, 2009 

Spatial Variability of Microcystin Concentrations, 2009 

Relation Between Microcystis aeruginosa and Aphanizomenon flos-aquae

Implications for Juvenile Sucker Health 

Summary and Conclusions 

Acknowledgments 

References Cited 

Appendix A. Quality Control and Quality Assurance of Water Samples 

Appendix B. Results of Microcystin Analysis 

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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