PeerJ Author 135 Points Contributions by role Author 135 Contributions by subject area Conservation Biology Ecology Environmental Impacts Population Biology E. Griffin Nicholson PeerJ Author Summary Conservation Biology PeerJ Contributions Articles 1 June 12, 2020 Historical museum collections and contemporary population studies implicate roads and introduced predatory bullfrogs in the decline of western pond turtles E. Griffin Nicholson, Stephanie Manzo, Zachary Devereux, Thomas Paul Morgan, Robert N. Fisher, Christopher Brown, Rosi Dagit, Peter A. Scott, H. Bradley Shaffer https://doi.org/10.7717/peerj.9248 PubMed 32566396