1. Brook Trout And Climate Change
By Turner Sasina

2. Brook Trout (Salvelinus fontinalis)
Stenotherm
Dark base coloration , scattered small red spots, with red pectoral, pelvis and anal fins, vermications

3. Brook Trout Native Range

4. Habitat
Prefer clear cold water bodies that are often associated with mountain streams

5. Physiological Effects of Warmer Temperature
Exotherms, meaning temperature effects many aspects of a fish’s functions.
Functions including growth, respiration, reproduction etc…

6. Temperature Tolerances

7. Physiological

8. Habitat Loss
Range from roughly 20 to 40% from climate change alone.

9. Habitat Loss

10. Invasive Species Stenotherms vs. Eurytherms
Brown Trout and Rainbow Trout and other piscivorous fish species
Invasive species are stocked for sport fishing activities
Brook Trout are considered invasive

11. Invasive Species

12. Current Management
Some management to reclaim habitat lost from land changes in the water sheds
Means include replanting riparian zones, introducing Brook Trout back to viable habitats that were lost
Decrease habitat fragmentation

13. Management for Climate Change
A more active approach
Facilitating migration

14. Management

15. Future for Brook Trout
Will more than likely require more active approaches to preserve the species in the uncertain future of climate change
Reduce the stocking of non native species
More research into methods of management in regard to climate change and surveys of watersheds.

16. Sources http://www.nativetroutflyfishing.com/brooktrout.htm
EBTJV Roadmap to Restoration — EBTJV. Available from:
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Rahel FJ, Bierwagen B, Taniguchi Y Managing aquatic species of conservation concern in the face of climate change and invasive species. Conservation Biology 22:551–561.
O’Neal K Effects of global warming on trout and salmon in US streams. Defenders of Wildlife.
Poplar-Jeffers IO, Petty JT, Anderson JT, Kite SJ, Strager MP, Fortney RH Culvert replacement and stream habitat restoration: implications from brook trout management in an Appalachian watershed, USA. Restoration Ecology 17:404–413.
Anon. Brook Trout - Shenandoah National Park (U.S. National Park Service). Available from:
Wenger SJ, Isaak DJ, Luce CH, Neville HM, Fausch KD, Dunham JB, Dauwalter DC, Young MK, Elsner MM, Rieman BE Flow regime, temperature, and biotic interactions drive differential declines of trout species under climate change. Proceedings of the National Academy of Sciences 108:14175–14180.