TY - RPRT TI - Sonoran Desert ecosystem transformation by a C 4 grass without the grass/fire cycle AU - Aaryn D. Olsson AU - Julio Betancourt AU - Mitchel P. McClaran AU - Stuart E. Marsh PY - 2011 DO - 10.1111/j.1472-4642.2011.00825.x UR - https://pubs.usgs.gov/publication/70004053 ID - 70004053 ER -