In the past, a mere 8 °F increase was predicted to eliminate half of the native brook trout in the Southern Appalachian Mountains. Trout prefer cold water (50-60 °F) streams to spawn and live, but warming water temperatures are altering this ecosystem and further deteriorate native populations. See also List of smoked foods Trout tickling References Further reading Robert J. Behnke, Trout and Salmon of North America. Illustrated by Joseph R. Tomelleri. New York: The Free Press, 2002. Jen Corrinne Brown, Trout Culture: How Fly Fishing Forever Changed the Rocky Mountain West. Seattle, WA: University of Washington Press, 2015. External links Trout.co.uk – Website focused purely on fishing for trout Trout Unlimited – Conserving, protecting and restoring North America's coldwater fisheries and their watersheds "Trout Science," www.troutlet.com, 2000. Fish common names Salmonidae Cold water fish Commercial fish Oily fish Smoked fish Sport fish Holarctic fauna