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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1,胡朝臣1,许士麒1,吴迪1,董玉平1,孙新超1,毛瑢2,3,王宪伟2,*(),刘学炎1,*()
Leaf C, N, and P concentrations and their stoichiometry in peatland plants of Da Hinggan Ling, China
LI Rui1,HU Chao-Chen1,XU Shi-Qi1,WU Di1,DONG Yu-Ping1,SUN Xin-Chao1,MAO Rong2,3,WANG Xian-Wei2,*(),LIU Xue-Yan1,*()

图5. 大兴安岭泥炭地植物叶片N、P含量与N:P阈值。虚线分别表示N:P阈值为10, 14, 16和20。星星表示全球植物叶片N含量平均值(1.9%)和P含量平均值(0.12%)(Yan et al., 2017)。

Fig. 5. Leaf N and P concentrations and N:P threshold in peatland plants of Da Hinggan Ling. Dash lines represent the N:P ratios of 10, 14, 16 and 20, respectively. Star-shaped symbol represents the global mean leaf N concentration (1.9%) and P concentration (0.12%) (Yan et al., 2017). Bf, Betula fruticosa; Cc, Chamaedaphne calyculata; Cg, Carex globularis; Da, Deyeuxia angustifolia; Ev, Eriophorum vaginatum; Lp, Ledum palustre; Rc, Rhododendron capitatum; Sm, Salix myrtilloides; Sr, Salix rosmarinifolia; Vu, Vaccinium uliginosum; Vv, Vaccinium vitis-idaea.