大兴安岭泥炭地植物叶片碳氮磷含量及其化学计量学特征

李瑞,胡朝臣,许士麒,吴迪,董玉平,孙新超,毛瑢,王宪伟,刘学炎

Leaf C, N, and P concentrations and their stoichiometry in peatland plants of Da Hinggan Ling, China

LI Rui,HU Chao-Chen,XU Shi-Qi,WU Di,DONG Yu-Ping,SUN Xin-Chao,MAO Rong,WANG Xian-Wei,LIU Xue-Yan

表4 大兴安岭泥炭地植物叶片C、N、P含量及其计量值与其他研究结果的比较

Table 4 Comparisons of leaf C, N, and P concentrations and their stoichiometry between plants of the Da Hinggan Ling peatlands and those in other studies

研究区域 Study region C (%) N (%) P (%) C:N C:P N:P 数据来源 Mean SD n Mean SD n Mean SD n Mean SD n Mean SD n Mean SD n Data source 泥炭地 Peatlands 42.2 2.9 275 1.9 0.4 276 0.18 0.07 263 23.6 6.2 275 269 110 262 11.6 4.6 263 本研究 This Study 森林 Forests 48.0 5.3 102 1.8 0.5 102 0.20 0.12 102 29.1 9.5 102 314 152 102 11.5 5.0 102 Ren et al., 2012 荒漠 Deserts 1.1 0.8 276 0.10 0.08 276 11.5 5.1 276 Zhang et al., 2014 草原 Grasslands 43.8 3.0 213 2.8 0.9 213 0.19 0.84 525 17.9 5.7 213 15.3 5.2 525 He et al., 2006, 2008 中国 China 2.0 0.8 554 0.15 0.10 745 16.3 9.3 547 Han et al., 2005 全球 Globe 46.2 7.2 76 2.0 0.9 1 251 0.18 0.11 923 23.8 17.3 62 301 237 43 13.8 9.5 894 Elser et al., 2000a; Reich & Oleksyn, 2004