TY - RPRT TI - Elevated CO2 did not mitigate the effect of a short-term drought on biological soil crusts AU - Timothy M. Wertin AU - Susan L. Phillips AU - Sasha C. Reed AU - Jayne Belnap PY - 2012 DO - 10.1007/s00374-012-0673-6 UR - https://pubs.usgs.gov/publication/70039518 ID - 70039518 ER -