TY - RPRT TI - Detection limits of quantitative and digital PCR assays and their influence in presence-absence surveys of environmental DNA AU - Margaret Hunter AU - Robert M. Dorazio AU - John S. Butterfield AU - Gaia Meigs-Friend AU - Leo Nico AU - Jason A. Ferrante PY - 2016 DO - 10.1111/1755-0998.12619 UR - https://pubs.usgs.gov/publication/70178218 ID - 70178218 ER -