Stoichiometric response of dominant grasses to fire and mowing in a semi-arid grassland Lü, X. -T. ; Lü, F. -M. ; Zhou, L. -S. ; Han, X. ; Han, X. -G. Abstract Publication: Journal of Arid Environments Pub Date: March 2012 DOI: 10.1016/j.jaridenv.2011.11.008 Bibcode: 2012JArEn..78..154L