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3 不同科灌木叶C、N含量(平均值±标准偏差) |
Table 3 Leaf C and N contents in different shrub families (mean ± SD) |
|
科 Family | n | 碳含量 C content (%) | CV | 氮含量 N content (%) | CV | C:N | CV | 柽柳科 Tamaricaceae | 79 | 34.67 ± 3.39e | 10 | 2.42 ± 0.52b | 22 | 14.92 ± 3.24d | 22 | 豆科 Leguminosae | 70 | 44.34 ± 2.99b | 7 | 2.66 ± 0.48a | 18 | 17.24 ± 3.77cd | 22 | 蒺藜科 Zygophyllaceae | 12 | 38.40 ± 4.07cd | 11 | 2.42 ± 0.47b | 20 | 16.40 ± 3.57d | 22 | 藜科 Chenopodiaceae | 173 | 36.56 ± 4.56d | 12 | 2.01 ± 0.57c | 28 | 19.64 ± 6.02c | 31 | 蔷薇科 Rosaceae | 58 | 46.60 ± 2.86a | 6 | 2.07 ± 0.40c | 19 | 23.24 ± 4.41b | 19 | 旋花科 Convolvulaceae | 11 | 40.48 ± 6.52c | 16 | 1.57 ± 0.48d | 30 | 27.82 ± 8.63a | 31 | 平均值 Average | | 39.15 ± 5.91 | 15 | 2.21 ± 0.59 | 27 | 18.94 ± 5.82 | 31 |
|
|
|