A fundamental question in conservation is how animal populations dynamics, both patterns and process, respond to land management practices. The U.S. Forest Service at Coweeta Hydrologic Laboratory began a paired watershed experiment where one watershed was treated with midstory shrub removal and repeated application of prescribed fire and was compared with another nearby watershed as a reference. I estimated changes in abundance, population structure, and juvenile growth and survival of hybrid salamanders (Plethodon spp.) between the two watersheds using a hierarchical and integrated modelling approach. Consistent with my hypothesis, hatchling and juvenile salamanders experienced stronger negative effects of management actions on abundance than subadults or adults. I found weak evidence for a small, negative effect of treatment on growth but a small, positive effect on survival; however, these results are unreliable due to bias. This thesis provides a starting point for future research and understanding of this salamander population.