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U.S. GEOLOGICAL SURVEY
Data Series 286

Organic Chemical Concentrations and Reproductive Biomarkers in Common Carp (Cyprinus carpio) Collected from Two Areas in Lake Mead, Nevada, May 1999–May 2000

Prepared in cooperation with the U.S. Fish and Wildlife Service

By Steven L. Goodbred, Thomas J. Leiker, Reynaldo Patiño, Jill A. Jenkins, U.S. Geological Survey; Nancy D. Denslow, University of Florida; Erik Orsak, U.S. Fish and Wildlife Service; and Michael R. Rosen, U.S. Geological Survey

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Table of Contents

Conversion Factors, Water-Quality Units, and Abbreviations and Acronyms

Abstract

Introduction

Study Methods

Organic Chemical Concentrations and Reproductive Biomarkers

Acknowledgments

References Cited

Appendixes

Figures

Figure 1. Study area and sampling areas in Lake Mead, Nevada, May 1999–May 2000.

Figure 2. Sum of total contaminants in whole body male common carp collected from Las Vegas Bay and Overton Arm sampling areas, Lake Mead, Nevada, May and June 1999.

Figure 3. Seasonal change in monthly median vitellogenin (Vtg) concentrations for female common carp from Las Vegas Bay and Overton Arm sampling areas, Lake Mead, Nevada, May 1999–May 2000.

Tables

Table 1. Organic chemical compounds analyzed in common carp (Cyprinus carpio) from Las Vegas Bay and Overton Arm, Lake Mead, Nevada, May 1990–May 2000.

Table 2. Results for organochlorine compounds in standard reference material and percent recovery of spiked surrogate compounds, May and June 1999.

Table 3. Summary of monthly median concentrations of organic chemical compounds in common carp (Cyprinus carpio) from Las Vegas Bay and Overton Arm, Lake Mead, Nevada, May 1999–May 2000.

Table 4. Summary of monthly median biomarker and physical characteristic data for female common carp (Cyprinus carpio) from Las Vegas Bay and Overton Arm, Lake Mead, Nevada, May 1999–May 2000.

Table 5. Summary of monthly median biomarker and physical characteristic data for male common carp (Cyprinus carpio) from Las Vegas Bay and Overton Arm, Lake Mead, Nevada, May 1999–May 2000.

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Download Appendix Excel Tables (ZIP, 109 KB)

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Send questions or comments about this report to the author, S.L. Goodbred, (916) 278-9492.