PeerJ Author 205 Points Contributions by role Author 135 Preprint Author 70 Contributions by subject area Ecology Environmental Sciences Plant Science Climate Change Biology Aquaculture, Fisheries and Fish Science Freshwater Biology Conservation Biology Helen M Poulos PeerJ Author Summary Ecology Environmental Sciences Plant Science PeerJ Contributions Articles 1 Preprints 2 June 10, 2014 Tree mortality from a short-duration freezing event and global-change-type drought in a Southwestern piñon-juniper woodland, USA Helen M. Poulos https://doi.org/10.7717/peerj.404 PubMed 24949231 February 5, 2014 - Version: 1 Tree mortality from a global-change type drought coupled with a short-duration freezing event in a Southwestern piñon-juniper woodland, USA Helen M Poulos https://doi.org/10.7287/peerj.preprints.237v1 January 23, 2014 - Version: 1 Potential range expansion of the invasive Red Shiner, Cyprinella lutrensis (Teleostei: Cyprinidae), under future climatic change Helen M Poulos, Barry Chernoff https://doi.org/10.7287/peerj.preprints.216v1