John A. Young

TL;DR: In this article, the authors explored land use, fish assemblage structure, and stream habitat associations in 20 catchments in Opequon Creek watershed, West Virginia, to determine the relative importance of urban and agriculture land use on stream biotic integrity, and evaluate the spatial scale at which land use effects were most pronounced.

TL;DR: It is suggested that hemlock decline may result in long-term changes in headwater ecosystems leading to reductions in both within-stream and park-wide benthic community diversity.

TL;DR: The prevalence of testicular oocytes is discussed in terms of human population and agricultural intensity and the number of histologic sections needed to accurately detect the condition in mature smallmouth bass was statistically evaluated.

TL;DR: Bass collected in the South Branch Potomac had less sperm per testes mass with a lower percentage of those sperm being motile when compared to those from the Gauley River (low prevalence of TO), and an inverse relationship was noted between TO severity and sperm motility.

TL;DR: Air-water temperature regression models can provide a powerful and cost-effective approach for predicting future stream temperatures while accounting for effects of groundwater and Habitat fragmentation due to thermal barriers may have an increasingly important role for trout population viability in headwater streams.