Fig. 1

Yosemite transect study area: location of Yosemite National Park and the Yosemite transect in California, historic and modern land cover and zoomed in display of sampling locations in the Yosemite Valley. CWHR Habitat types are as follows: AGR –Agriculture, AGS – Annual Grasslands, ASP – Aspen, BAR – Barren, BOW – Blue oak woodland, BOP – Blue oak-foothill pine, CRC – Chamise-redshank chaparral, CPC – Closed-cone pine-cypress, DFR – Douglas fir, EPN – East side pine, FEW – Freshwater emergent wetland, JPN – Jeffrey pine, JUN – Juniper, LAC – Lacustrine, LPN – Lodgepole pine, MCH – Mixed Chaparral, MCP – Montane Chaparral, MHW – Montane Hardwood, MHC – Montane hardwood-conifer, MRI – Montane riparian, PJN – Pinyon-juniper, PPN – Ponderosa pine, RFR – Red fir, SMC – Sierran Mixed-conifer, SCN – Sub-alpine Conifer, URB – Urban, VRI – Valley Foothill riparian, VOW – Valley Oak woodland, WTM – Wet meadows, WFR – White fir