TY - RPRT TI - Vulnerability of riparian ecosystems to elevated CO 2 and climate change in arid and semiarid western North America AU - Laura G. Perry AU - Douglas C. Andersen AU - Lindsay V. Reynolds AU - S. Mark Nelson AU - Patrick B. Shafroth PY - 2011 DO - 10.1111/j.1365-2486.2011.02588.x UR - https://pubs.usgs.gov/publication/70004600 ID - 70004600 ER -