新疆北部草地典型灌木的碳氮特征

张静,刘耘华,盛建东,柴强,李瑞霞,赵丹

Carbon and nitrogen traits of typical shrubs in grassland of northern Xinjiang, China

Jing ZHANG,Yun-Hua LIU,Jian-Dong SHENG,Qiang CHAI,Rui-Xia LI,Dan ZHAO

表1 C、N在灌木叶、枝、茎器官中的含量(平均值±标准偏差)

Table 1 The C and N contents in leaves, branches and stems of shrubs (mean ± SD)

器官 Organ	碳含量 C content (%)	氮含量 N content (%)	C:N
叶 Leaves	39.15 ± 5.91^c	2.21 ± 0.59^a	18.94 ± 5.82^c
枝 Branches	44.27 ± 4.51^b	1.55 ± 0.44^b	31.07 ± 10.43^b
茎 Stems	45.81 ± 3.18^a	1.34 ± 0.35^c	36.77 ± 10.78^a