addressing climate change adaptation in regional transportation plans

North Sierra RegionCounties: Amador, Calaveras, El Dorado, Mariposa, Nevada, Placer, Plumas,Sierra, TuolumneFive Largest Cities (CDOF, 2011): Roseville (120,593); Rocklin (57,901);Lincoln (43,248); South Lake Tahoe (21,557); Truckee (16,212)Total 2010 PopulationNorth Sierra 808,786Amador 38,091Calaveras 45,578El Dorado 181,058Mariposa 18,251Nevada 98,764Placer 348,432Plumas 20,007Sierra 3,240Tuolumne 55,365[U.S. Census Bureau, 2010]The North Sierra is a mountainous region that is very sparsely settled (808,000+people), with a few cities scattered along primary transport routes, the largestbeing Roseville (118,000+) in the foothills near Folsom Dam. Seventy-twopercent of the region’s residents reside in El Dorado, Nevada, and Placer counties.The most prominent feature is Lake Tahoe and the surrounding summer andwinter resorts. Tourism is a primary economic activity; the region contains sixof the top seven counties in the state when tourism revenue is measured as apercentage of total earnings (Sierra Business Council, 2007).Climate change impacts that should be evaluated by communities located in theNorth Sierra region include the following:• Increased temperature• Decreased precipitation• Reduced snowpack• Reduced tourism• Ecosystem change• Sensitive species stress• Increased wildfireAPG: UNDERSTANDING REGIONAL CHARACTERISTICS PAGE 73