PeerJ Author 100 Points Contributions by role Author 100 Contributions by subject area Conservation Biology Ecology Genetics Freshwater Biology Natural Resource Management Jeffrey Duda PeerJ Author Summary Conservation Biology Ecology Freshwater Biology Genetics Natural Resource Management Websites Jeff Duda USGS Profile Page PeerJ Contributions Articles 1 March 16, 2018 Distribution and seasonal differences in Pacific Lamprey and Lampetra spp eDNA across 18 Puget Sound watersheds Carl O. Ostberg, Dorothy M. Chase, Michael C. Hayes, Jeffrey J. Duda https://doi.org/10.7717/peerj.4496 PubMed 29576966