Datasets and scripts used for Samuels, L. R. N., Chandler, H. C., Hoffman, M., Kronenberger, J. A., Elmore, M., Aldredge, R., Stegenga, B. S., Bogan, J. E., Davis, M. A., Hertz, S., Schwartz, M. K., & Wilcox, T. (2025). Persistence of Reptile DNA in a Terrestrial Substrate: A Case Study Using the Eastern Indigo Snake. Environmental DNA, 7(1), e70053. https://doi.org/10.1002/edn3.70053
Enclosure_qPCR.csv - Dataset containing qPCR data for all 234 soil samples, required for Enclosure_study.R script.
Enclosure_schedule.csv - Dataset containing sampling schedule, quadrat and snake IDs, and time of snake presence in each quadrat, required for Enclosure_study.R script.
Enclosure_study.R - Script used for paper figures, data analysis, detection probability modeling, and bootstrapped 95% confidence intervals.
Enclosure_weather.csv - Dataset containing all weather data compiled from HOBO lux and temperature loggers, and from the Leesburg International Airport NOAA station, required for Enclosure_study.R script.
Please reach out to us at the National Genomic Center for Wildlife and Fish Conservation with any questions or comments. Data was analyzed by Leah Samuels at leah.samuels@usda.gov/leahrnsamuels@gmail.com and Taylor Wilcox at taylor.wilcox@usda.gov.