TY - JOUR A1 - Song, L. A1 - Bao, X. A1 - Liu, X. A1 - Zhang, Y. A1 - Christie, P. A1 - Fangmeier, A. A1 - Zhang, F. T1 - Nitrogen enrichment enhances the dominance of grasses over forbs in a temperate steppe ecosystem JO - Biogeosciences J1 - BG VL - 8 IS - 8 SP - 2341 EP - 2350 Y1 - 2011/08/26 PB - Copernicus Publications SN - 1726-4189 UR - https://bg.copernicus.org/articles/8/2341/2011/ L1 - https://bg.copernicus.org/articles/8/2341/2011/bg-8-2341-2011.pdf DO - 10.5194/bg-8-2341-2011 ER -