About the Authors
- Dustin A. Wood
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Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Validation, Visualization, Writing – original draft, Writing – review & editing
* E-mail: dawood@usgs.gov
Affiliation U.S. Geological Survey, Western Ecological Research Center, San Diego Field Station, San Diego, California, United States of America
- Jonathan P. Rose
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Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Software, Validation, Writing – original draft, Writing – review & editing
Affiliation U.S. Geological Survey, Western Ecological Research Center, Santa Cruz Field Station, Santa Cruz, California, United States of America
- Brian J. Halstead
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Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Project administration, Writing – original draft, Writing – review & editing
Affiliation U.S. Geological Survey, Western Ecological Research Center, Dixon Field Station, Dixon, California, United States of America
- Ricka E. Stoelting
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Roles Data curation, Resources, Writing – review & editing
Affiliation Swaim Biological Incorporated, Livermore, California, United States of America
- Karen E. Swaim
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Roles Resources, Writing – review & editing
Affiliation Swaim Biological Incorporated, Livermore, California, United States of America
- Amy G. Vandergast
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Roles Conceptualization, Formal analysis, Funding acquisition, Writing – original draft, Writing – review & editing
Affiliation U.S. Geological Survey, Western Ecological Research Center, San Diego Field Station, San Diego, California, United States of America
Competing Interests
Swaim Biological, Inc collected Thamnophis sirtalis tetrataenia tissues between the years 2005 – 2015 that were provided as an in-kind service and these tissues were utilized in this study. Site data from a previously published study [35], which was partially funded by Swaim Biological, Inc, were also used in the present study. This does not alter our adherence to PLOS ONE policies on sharing data and materials.