Comparing Soil and Bison δ13C to Field Estimates of C4 Plant Abundances in North America
Daniel M Griffith, Oregon State University, Forest Ecosystems and Society, Corvallis, United States, Christopher J Still, Oregon State University, Forest Ecosystems and Society, Corvallis, OR, United States, Jen Cotton, Oregon State University, Corvallis, OR, United States and Becky Powell, University of Denver, Geography and the Environment, Denver, CO, United States
