Climate change drives a northward expansion of C4 grasses in North America by the end of the century
Jennifer M Cotton, California State University Northridge, Geological Sciences, Northridge, CA, United States, Thomas M. Mosier, Oregon State University, Corvallis, OR, United States, Thure E Cerling, University of Utah, Department of Geology and Geophysics, Salt Lake City, United States, James R Ehleringer, Univ Utah, Salt Lake City, UT, United States, Kathryn A Hoppe, Green River College, Geology Department, Auburn, WA, United States and Christopher J Still, Oregon State University, Forest Ecosystems and Society, Corvallis, OR, United States