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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (2) OGC WFS Layer (2) OGC WMS Layer (2) OGC WMS Service (2) Contacts Leetown Science Center Nathaniel P Hitt Christine L Densmore Chester Figiel Michael Floyd View Results as: JSON ATOM CSV

Landscape modeling of Kentucky arrow darter (Etheostoma sagitta spilotum) occurrence and response to water quality parameters This QR project resulted in a report and a publication. The Kentucky arrow darter (Etheostoma spilotum, KAD) is a species of conservation concern due to its fragmented distribution and threats from anthropogenic stressors. In this report, I evaluate the relationship between KAD abundance and stream conductivity in the upper Kentucky River basin. Stream conductivity represents an indicator of exposure to headwater mining operations and/or shale gas development and may have direct or indirect effects on stream fish distributions. I used nonlinear regression techniques to evaluate change points and associated confidence intervals for KAD abundance related to conductivity levels. I also evaluated blackside dace (Chrosomus... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Evaluation of aquatic resources, FWSR4, SSPQR, storymap Using environmental DNA analysis to determine the presence and distribution of Batrachochytrium dendrobatidis in Southern Appalachian headwater streams A final report was produced for this SSP project. The general objectives to this study were threefold, as follows: 1. To determine the environmental presence and abundance of Bden in headwater regions of river systems in the Southeastern United States through water samples evaluated for the presence of environmental DNA (eDNA). 2. To determine the presence of Bden infection in fauna of these headwater regions, including larval and adult amphibians as well as other potential reservoirs of infection. 3. To determine whether any association exists between water flow rate and associated stream parameters in headwater systems versus the presence/prevalence of Bden both in the environment and infecting amphibian host... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Evaluation of aquatic resources, FWSR4, SSPQR, storymap