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File Brook Trout Film - Phase 1
This document describes the Scope of Work that Freshwaters Illustrated will perform during Phase 1 of producing a film about Brook Trout conservation in the eastern portion of the U.S.
Located in Resources / Holdings
File EBTJV Coordinator's 2015 Work Plan
This document describes the EBTJV Coordinator's work plan for 2015.
Located in Groups / / 2015 Steering Committee Conference Call Summaries / March 17, 2015 SC Conference Call Documents
File Summary of the March 17, 2015 Steering Committee's Conference Call
This document summarizes the topics discussed during the EBTJV's Steering Committee teleconference that occurred on March 17, 2015.
Located in Groups / / 2015 Steering Committee Conference Call Summaries / June 16, 2015 SC Conference Call Documents
File chemical/x-pdb 2015 EBTJV Meeting Announcement
This document provides details about the EBTJV's 2015 meeting.
Located in Groups / / 2015 Steering Committee Conference Call Summaries / June 16, 2015 SC Conference Call Documents
File FY15 FWS-NFHAP Funding Allocation
This document provides details about the allocation of FWS-NFHAP funds for FY15.
Located in Groups / / 2015 Steering Committee Conference Call Summaries / June 16, 2015 SC Conference Call Documents
File Octet Stream June 16, 2015 EBTJV Steering Committee's Meeting Agenda
This document contains the agenda items for the EBTJV's Steering Committee Meeting on June 16, 2015.
Located in Groups / / 2015 Steering Committee Conference Call Summaries / June 16, 2015 SC Conference Call Documents
File EBTJV Steering Committee Members - June 2015
A list of EBTJV Steering Committee members as of 6-17-15.
Located in Groups / Steering Committee / Steering Committee Members
File Summary of EBTJV Steering Committee Meeting - March 17, 2015
This document is the approved version of the summary for the EBTJV Steering Committee conference call held March 17, 2015.
Located in Groups / / 2015 Steering Committee Conference Call Summaries / March 17, 2015 SC Conference Call Documents
File Chesapeake Bay Brook Trout Management Strategy (6-24-15)
This document describes the management strategy for achieving the Brook Trout outcome contained in the 2014 Chesapeake Bay Watershed Agreement.
Located in Resources / Holdings / Linked Documents
File ECMAScript program Predicting Brook Trout Occurrence in Stream Reaches throughout their Native Range in the Eastern United States
The Brook Trout Salvelinus fontinalis is an important species of conservation concern in the eastern USA. We developed a model to predict Brook Trout population status within individual stream reaches throughout the species’ native range in the eastern USA. We utilized hierarchical logistic regression with Bayesian estimation to predict Brook Trout occurrence probability, and we allowed slopes and intercepts to vary among ecological drainage units (EDUs). Model performance was similar for 7,327 training samples and 1,832 validation samples based on the area under the receiver operating curve (»0.78) and Cohen’s kappa statistic (0.44). Predicted water temperature had a strong negative effect on Brook Trout occurrence probability at the stream reach scale and was also negatively associated with the EDU average probability of Brook Trout occurrence (i.e., EDU-specific intercepts). The effect of soil permeability was positive but decreased as EDU mean soil permeability increased. Brook Trout were less likely to occur in stream reaches surrounded by agricultural or developed land cover, and an interaction suggested that agricultural land cover also resulted in an increased sensitivity to water temperature. Our model provides a further understanding of how Brook Trout are shaped by habitat characteristics in the region and yields maps of stream-reach-scale predictions, which together can be used to support ongoing conservation and management efforts. These decision support tools can be used to identify the extent of potentially suitable habitat, estimate historic habitat losses, and prioritize conservation efforts by selecting suitable stream reaches for a given action. Future work could extend the model to account for additional landscape or habitat characteristics, include biotic interactions, or estimate potential Brook Trout responses to climate and land use changes.
Located in Resources / Brook Trout Related Publications