Chin J Plan Ecolo ›› 2018, Vol. 42 ›› Issue (3): 307-316.DOI: 10.17521/cjpe.2015.1086
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ZHANG Jing,LIU Yun-Hua,SHENG Jian-Dong*(),CHAI Qiang,LI Rui-Xia,ZHAO Dan
Online:
2018-03-20
Published:
2017-06-16
Contact:
Jian-Dong SHENG
Supported by:
ZHANG Jing, LIU Yun-Hua, SHENG Jian-Dong, CHAI Qiang, LI Rui-Xia, ZHAO Dan. Carbon and nitrogen traits of typical shrubs in grassland of northern Xinjiang, China[J]. Chin J Plan Ecolo, 2018, 42(3): 307-316.
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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2015.1086
器官 Organ | 碳含量 C content (%) | 氮含量 N content (%) | C:N |
---|---|---|---|
叶 Leaves | 39.15 ± 5.91c | 2.21 ± 0.59a | 18.94 ± 5.82c |
枝 Branches | 44.27 ± 4.51b | 1.55 ± 0.44b | 31.07 ± 10.43b |
茎 Stems | 45.81 ± 3.18a | 1.34 ± 0.35c | 36.77 ± 10.78a |
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 ± 5.91c | 2.21 ± 0.59a | 18.94 ± 5.82c |
枝 Branches | 44.27 ± 4.51b | 1.55 ± 0.44b | 31.07 ± 10.43b |
茎 Stems | 45.81 ± 3.18a | 1.34 ± 0.35c | 36.77 ± 10.78a |
物种 Species | 科 Family | 器官 Organ | n | 碳含量 C content (%) | CV | 氮含量 N content (%) | CV | C:N | CV |
---|---|---|---|---|---|---|---|---|---|
白刺 | 蒺藜科 | 叶 Leaves | 12 | 38.40 ± 4.07 | 11 | 2.42 ± 0.47 | 20 | 16.40 ± 3.57 | 22 |
Nitraria spp. | Zygophyllaceae | 枝 Branches | 12 | 44.29 ± 2.97 | 7 | 1.56 ± 0.28 | 18 | 29.59 ± 7.34 | 25 |
茎 Stems | 14 | 45.82 ± 2.07 | 5 | 1.36 ± 0.22 | 17 | 34.66 ± 6.29 | 18 | ||
灌木地上部分 Shrub aboveground | 43.95 ± 3.49 | 8 | 1.57 ± 0.40 | 19 | 30.85 ± 7.86 | 22 | |||
刺旋花 | 旋花科 | 叶 Leaves | 11 | 40.48 ± 6.52 | 16 | 1.57 ± 0.48 | 30 | 27.82 ± 8.63 | 31 |
Convolvulus | Convolvulaceae | 枝 Branches | 9 | 43.22 ± 4.16 | 10 | 1.14 ± 0.30 | 26 | 39.99 ± 10.00 | 25 |
ragacanthoides | 茎 Stems | 13 | 44.10 ± 2.24 | 5 | 1.27 ± 0.17 | 14 | 35.31 ± 5.54 | 16 | |
灌木地上部分 Shrub aboveground | 42.18 ± 5.85 | 14 | 1.33 ± 0.31 | 23 | 33.55 ± 8.56 | 26 | |||
红砂 | 柽柳科 | 叶 Leaves | 79 | 34.67 ± 3.39 | 10 | 2.42 ± 0.52 | 22 | 14.92 ± 3.24 | 22 |
Reaumuria | Tamaricaceae | 枝 Branches | 79 | 44.61 ± 1.80 | 4 | 1.74 ± 0.36 | 20 | 26.90 ± 6.65 | 25 |
songarica | 茎 Stems | 76 | 45.76 ± 2.40 | 5 | 1.37 ± 0.20 | 15 | 34.35 ± 6.43 | 19 | |
灌木地上部分 Shrub aboveground | 42.84 ± 2.97 | 7 | 1.73 ± 0.38 | 21 | 27.60 ± 6.48 | 23 | |||
假木贼 | 藜科 | 叶 Leaves | 15 | 35.57 ± 2.78 | 8 | 1.76 ± 0.33 | 19 | 20.76 ± 3.92 | 19 |
Anabasis spp. | Chenopodiaceae | 枝 Branches | 37 | 38.08 ± 4.19 | 11 | 1.61 ± 0.42 | 26 | 25.16 ± 6.70 | 27 |
茎 Stems | 25 | 40.15 ± 2.70 | 7 | 1.54 ± 0.42 | 27 | 27.50 ± 6.19 | 23 | ||
灌木地上部分 Shrub aboveground | 38.05 ± 2.48 | 7 | 1.63 ± 0.39 | 24 | 24.72 ± 4.66 | 19 | |||
锦鸡儿 | 豆科 | 叶 Leaves | 70 | 44.34 ± 2.99 | 7 | 2.66 ± 0.48 | 18 | 17.24 ± 3.77 | 22 |
Caragana spp. | Leguminosae | 枝 Branches | 71 | 46.71 ± 2.64 | 6 | 1.80 ± 0.48 | 27 | 27.72 ± 7.17 | 26 |
茎 Stems | 66 | 47.14 ± 2.48 | 5 | 1.62 ± 0.29 | 18 | 30.26 ± 6.58 | 22 | ||
灌木地上部分 Shrub aboveground | 46.44 ± 2.63 | 6 | 1.91 ± 0.45 | 23 | 26.76 ± 6.96 | 26 | |||
麻黄 | 麻黄科 | 枝 Branches | 29 | 45.68 ± 3.43 | 8 | 1.89 ± 0.48 | 25 | 25.81 ± 7.26 | 28 |
Ephedra spp. | Ephedraceae | 茎 Stems | 28 | 44.99 ± 4.33 | 10 | 1.52 ± 0.44 | 29 | 32.20 ± 9.40 | 29 |
灌木地上部分 Shrub aboveground | 45.11 ± 2.94 | 7 | 1.75 ± 0.41 | 23 | 27.84 ± 7.16 | 26 | |||
沙拐枣 | 蓼科 | 枝 Branches | 11 | 43.56 ± 4.53 | 10 | 1.34 ± 0.16 | 12 | 33.17 ± 6.79 | 20 |
Calligonum | Polygonaceae | 茎 Stems | 17 | 46.76 ± 2.60 | 6 | 1.18 ± 0.18 | 15 | 40.41 ± 5.28 | 13 |
mongolicum | 灌木地上部分 Shrub aboveground | 46.46 ± 2.75 | 6 | 1.21 ± 0.16 | 13 | 39.19 ± 4.38 | 17 | ||
梭梭 | 藜科 | 叶 Leaves | 63 | 35.73 ± 4.09 | 11 | 2.17 ± 0.50 | 23 | 17.66 ± 5.76 | 33 |
Haloxylon spp. | Chenopodiaceae | 枝 Branches | 95 | 42.80 ± 3.81 | 9 | 1.58 ± 0.43 | 27 | 29.52 ± 9.57 | 32 |
茎 Stems | 95 | 45.57 ± 2.71 | 6 | 1.31 ± 0.36 | 27 | 36.96 ± 9.40 | 25 | ||
灌木地上部分 Shrub aboveground | 42.95 ± 3.02 | 7 | 1.54 ± 0.40 | 26 | 28.05 ± 8.24 | 27 | |||
金丝桃叶绣线菊 | 蔷薇科 | 叶 Leaves | 58 | 46.60 ± 2.86 | 6 | 2.07 ± 0.40 | 19 | 23.24 ± 4.41 | 19 |
Spiraea | Rosaceae | 枝 Branches | 62 | 47.66 ± 2.91 | 6 | 1.25 ± 0.23 | 18 | 39.27 ± 6.52 | 17 |
hypericifolia | 茎 Stems | 62 | 47.57 ± 2.37 | 5 | 1.11 ± 0.19 | 17 | 43.56 ± 5.26 | 12 | |
灌木地上部分 Shrub aboveground | 47.43 ± 2.31 | 5 | 1.21 ± 0.17 | 14 | 35.97 ± 4.48 | 15 | |||
驼绒藜 | 藜科 | 叶 Leaves | 60 | 38.89 ± 2.93 | 8 | 1.97 ± 0.66 | 33 | 21.72 ± 6.70 | 31 |
Krascheninnikovia spp. | Chenopodiaceae | 枝 Branches | 61 | 46.14 ± 2.17 | 5 | 1.24 ± 0.4 | 32 | 41.48 ± 14.56 | 35 |
茎 Stems | 61 | 46.32 ± 4.50 | 10 | 1.10 ± 0.37 | 34 | 47.14 ± 17.06 | 36 | ||
灌木地上部分 Shrub aboveground | 45.55 ± 2.40 | 5 | 1.32 ± 0.49 | 37 | 41.11 ± 14.45 | 35 | |||
小蓬 | 藜科 | 叶 Leaves | 19 | 31.97 ± 5.37 | 17 | 1.64 ± 0.41 | 25 | 20.12 ± 3.89 | 19 |
Nanophyton | Chenopodiaceae | 枝 Branches | 19 | 35.00 ± 7.40 | 21 | 1.40 ± 0.28 | 20 | 25.90 ± 8.40 | 32 |
erinaceum | 茎 Stems | 20 | 43.09 ± 4.02 | 9 | 1.44 ± 0.30 | 21 | 31.77 ± 10.56 | 33 | |
灌木地上部分 Shrub aboveground | 35.82 ± 6.75 | 19 | 1.42 ± 0.30 | 21 | 27.14 ± 10.71 | 29 | |||
盐爪爪 | 藜科 | 叶 Leaves | 7 | 33.36 ± 5.48 | 16 | 2.42 ± 0.78 | 32 | 15.46 ± 6.81 | 44 |
Kalidium spp. | Chenopodiaceae | 枝 Branches | 7 | 42.11 ± 4.10 | 10 | 1.58 ± 0.28 | 17 | 27.28 ± 5.34 | 20 |
茎 Stems | 6 | 44.23 ± 2.66 | 6 | 1.37 ± 0.10 | 7 | 32.33 ± 2.22 | 7 | ||
灌木地上部分 Shrub aboveground | 37.90 ± 7.91 | 11 | 1.83 ± 0.59 | 19 | 23.88 ± 8.75 | 37 | |||
猪毛菜 | 藜科 | 叶 Leaves | 9 | 40.66 ± 5.29 | 13 | 2.05 ± 0.13 | 7 | 19.99 ± 3.71 | 19 |
Salsola spp. | Chenopodiaceae | 枝 Branches | 9 | 45.72 ± 2.70 | 6 | 1.62 ± 0.24 | 15 | 28.92 ± 6.08 | 21 |
茎 Stems | 5 | 46.84 ± 2.49 | 5 | 1.36 ± 0.03 | 2 | 34.38 ± 2.39 | 7 | ||
灌木地上部分 Shrub aboveground | 43.86 ± 4.38 | 10 | 1.58 ± 0.21 | 13 | 29.84 ± 5.54 | 19 | |||
物种 Species | 科 Family | 器官 Organ | n | 碳含量 C content (%) | CV | 氮含量 N content (%) | CV | C:N | CV |
平均值 | 叶 Leaves | 39.15 ± 5.91 | 15 | 2.21 ± 0.59 | 27 | 18.94 ± 5.82 | 31 | ||
Mean | 枝 Branches | 44.27 ± 4.51 | 10 | 1.55 ± 0.44 | 28 | 31.07 ± 10.43 | 34 | ||
茎 Stems | 45.81 ± 3.43 | 7 | 1.34 ± 0.35 | 26 | 36.77 ± 10.78 | 29 | |||
灌木地上部分 Shrub aboveground | 43.77 ± 4.43 | 10 | 1.56 ± 0.45 | 27 | 31.78 ± 10.12 | 32 |
Table 2 The contents of C and N in leaves, branches and stems in typical shrubs in the grassland of northern Xinjiang (mean ± SD)
物种 Species | 科 Family | 器官 Organ | n | 碳含量 C content (%) | CV | 氮含量 N content (%) | CV | C:N | CV |
---|---|---|---|---|---|---|---|---|---|
白刺 | 蒺藜科 | 叶 Leaves | 12 | 38.40 ± 4.07 | 11 | 2.42 ± 0.47 | 20 | 16.40 ± 3.57 | 22 |
Nitraria spp. | Zygophyllaceae | 枝 Branches | 12 | 44.29 ± 2.97 | 7 | 1.56 ± 0.28 | 18 | 29.59 ± 7.34 | 25 |
茎 Stems | 14 | 45.82 ± 2.07 | 5 | 1.36 ± 0.22 | 17 | 34.66 ± 6.29 | 18 | ||
灌木地上部分 Shrub aboveground | 43.95 ± 3.49 | 8 | 1.57 ± 0.40 | 19 | 30.85 ± 7.86 | 22 | |||
刺旋花 | 旋花科 | 叶 Leaves | 11 | 40.48 ± 6.52 | 16 | 1.57 ± 0.48 | 30 | 27.82 ± 8.63 | 31 |
Convolvulus | Convolvulaceae | 枝 Branches | 9 | 43.22 ± 4.16 | 10 | 1.14 ± 0.30 | 26 | 39.99 ± 10.00 | 25 |
ragacanthoides | 茎 Stems | 13 | 44.10 ± 2.24 | 5 | 1.27 ± 0.17 | 14 | 35.31 ± 5.54 | 16 | |
灌木地上部分 Shrub aboveground | 42.18 ± 5.85 | 14 | 1.33 ± 0.31 | 23 | 33.55 ± 8.56 | 26 | |||
红砂 | 柽柳科 | 叶 Leaves | 79 | 34.67 ± 3.39 | 10 | 2.42 ± 0.52 | 22 | 14.92 ± 3.24 | 22 |
Reaumuria | Tamaricaceae | 枝 Branches | 79 | 44.61 ± 1.80 | 4 | 1.74 ± 0.36 | 20 | 26.90 ± 6.65 | 25 |
songarica | 茎 Stems | 76 | 45.76 ± 2.40 | 5 | 1.37 ± 0.20 | 15 | 34.35 ± 6.43 | 19 | |
灌木地上部分 Shrub aboveground | 42.84 ± 2.97 | 7 | 1.73 ± 0.38 | 21 | 27.60 ± 6.48 | 23 | |||
假木贼 | 藜科 | 叶 Leaves | 15 | 35.57 ± 2.78 | 8 | 1.76 ± 0.33 | 19 | 20.76 ± 3.92 | 19 |
Anabasis spp. | Chenopodiaceae | 枝 Branches | 37 | 38.08 ± 4.19 | 11 | 1.61 ± 0.42 | 26 | 25.16 ± 6.70 | 27 |
茎 Stems | 25 | 40.15 ± 2.70 | 7 | 1.54 ± 0.42 | 27 | 27.50 ± 6.19 | 23 | ||
灌木地上部分 Shrub aboveground | 38.05 ± 2.48 | 7 | 1.63 ± 0.39 | 24 | 24.72 ± 4.66 | 19 | |||
锦鸡儿 | 豆科 | 叶 Leaves | 70 | 44.34 ± 2.99 | 7 | 2.66 ± 0.48 | 18 | 17.24 ± 3.77 | 22 |
Caragana spp. | Leguminosae | 枝 Branches | 71 | 46.71 ± 2.64 | 6 | 1.80 ± 0.48 | 27 | 27.72 ± 7.17 | 26 |
茎 Stems | 66 | 47.14 ± 2.48 | 5 | 1.62 ± 0.29 | 18 | 30.26 ± 6.58 | 22 | ||
灌木地上部分 Shrub aboveground | 46.44 ± 2.63 | 6 | 1.91 ± 0.45 | 23 | 26.76 ± 6.96 | 26 | |||
麻黄 | 麻黄科 | 枝 Branches | 29 | 45.68 ± 3.43 | 8 | 1.89 ± 0.48 | 25 | 25.81 ± 7.26 | 28 |
Ephedra spp. | Ephedraceae | 茎 Stems | 28 | 44.99 ± 4.33 | 10 | 1.52 ± 0.44 | 29 | 32.20 ± 9.40 | 29 |
灌木地上部分 Shrub aboveground | 45.11 ± 2.94 | 7 | 1.75 ± 0.41 | 23 | 27.84 ± 7.16 | 26 | |||
沙拐枣 | 蓼科 | 枝 Branches | 11 | 43.56 ± 4.53 | 10 | 1.34 ± 0.16 | 12 | 33.17 ± 6.79 | 20 |
Calligonum | Polygonaceae | 茎 Stems | 17 | 46.76 ± 2.60 | 6 | 1.18 ± 0.18 | 15 | 40.41 ± 5.28 | 13 |
mongolicum | 灌木地上部分 Shrub aboveground | 46.46 ± 2.75 | 6 | 1.21 ± 0.16 | 13 | 39.19 ± 4.38 | 17 | ||
梭梭 | 藜科 | 叶 Leaves | 63 | 35.73 ± 4.09 | 11 | 2.17 ± 0.50 | 23 | 17.66 ± 5.76 | 33 |
Haloxylon spp. | Chenopodiaceae | 枝 Branches | 95 | 42.80 ± 3.81 | 9 | 1.58 ± 0.43 | 27 | 29.52 ± 9.57 | 32 |
茎 Stems | 95 | 45.57 ± 2.71 | 6 | 1.31 ± 0.36 | 27 | 36.96 ± 9.40 | 25 | ||
灌木地上部分 Shrub aboveground | 42.95 ± 3.02 | 7 | 1.54 ± 0.40 | 26 | 28.05 ± 8.24 | 27 | |||
金丝桃叶绣线菊 | 蔷薇科 | 叶 Leaves | 58 | 46.60 ± 2.86 | 6 | 2.07 ± 0.40 | 19 | 23.24 ± 4.41 | 19 |
Spiraea | Rosaceae | 枝 Branches | 62 | 47.66 ± 2.91 | 6 | 1.25 ± 0.23 | 18 | 39.27 ± 6.52 | 17 |
hypericifolia | 茎 Stems | 62 | 47.57 ± 2.37 | 5 | 1.11 ± 0.19 | 17 | 43.56 ± 5.26 | 12 | |
灌木地上部分 Shrub aboveground | 47.43 ± 2.31 | 5 | 1.21 ± 0.17 | 14 | 35.97 ± 4.48 | 15 | |||
驼绒藜 | 藜科 | 叶 Leaves | 60 | 38.89 ± 2.93 | 8 | 1.97 ± 0.66 | 33 | 21.72 ± 6.70 | 31 |
Krascheninnikovia spp. | Chenopodiaceae | 枝 Branches | 61 | 46.14 ± 2.17 | 5 | 1.24 ± 0.4 | 32 | 41.48 ± 14.56 | 35 |
茎 Stems | 61 | 46.32 ± 4.50 | 10 | 1.10 ± 0.37 | 34 | 47.14 ± 17.06 | 36 | ||
灌木地上部分 Shrub aboveground | 45.55 ± 2.40 | 5 | 1.32 ± 0.49 | 37 | 41.11 ± 14.45 | 35 | |||
小蓬 | 藜科 | 叶 Leaves | 19 | 31.97 ± 5.37 | 17 | 1.64 ± 0.41 | 25 | 20.12 ± 3.89 | 19 |
Nanophyton | Chenopodiaceae | 枝 Branches | 19 | 35.00 ± 7.40 | 21 | 1.40 ± 0.28 | 20 | 25.90 ± 8.40 | 32 |
erinaceum | 茎 Stems | 20 | 43.09 ± 4.02 | 9 | 1.44 ± 0.30 | 21 | 31.77 ± 10.56 | 33 | |
灌木地上部分 Shrub aboveground | 35.82 ± 6.75 | 19 | 1.42 ± 0.30 | 21 | 27.14 ± 10.71 | 29 | |||
盐爪爪 | 藜科 | 叶 Leaves | 7 | 33.36 ± 5.48 | 16 | 2.42 ± 0.78 | 32 | 15.46 ± 6.81 | 44 |
Kalidium spp. | Chenopodiaceae | 枝 Branches | 7 | 42.11 ± 4.10 | 10 | 1.58 ± 0.28 | 17 | 27.28 ± 5.34 | 20 |
茎 Stems | 6 | 44.23 ± 2.66 | 6 | 1.37 ± 0.10 | 7 | 32.33 ± 2.22 | 7 | ||
灌木地上部分 Shrub aboveground | 37.90 ± 7.91 | 11 | 1.83 ± 0.59 | 19 | 23.88 ± 8.75 | 37 | |||
猪毛菜 | 藜科 | 叶 Leaves | 9 | 40.66 ± 5.29 | 13 | 2.05 ± 0.13 | 7 | 19.99 ± 3.71 | 19 |
Salsola spp. | Chenopodiaceae | 枝 Branches | 9 | 45.72 ± 2.70 | 6 | 1.62 ± 0.24 | 15 | 28.92 ± 6.08 | 21 |
茎 Stems | 5 | 46.84 ± 2.49 | 5 | 1.36 ± 0.03 | 2 | 34.38 ± 2.39 | 7 | ||
灌木地上部分 Shrub aboveground | 43.86 ± 4.38 | 10 | 1.58 ± 0.21 | 13 | 29.84 ± 5.54 | 19 | |||
物种 Species | 科 Family | 器官 Organ | n | 碳含量 C content (%) | CV | 氮含量 N content (%) | CV | C:N | CV |
平均值 | 叶 Leaves | 39.15 ± 5.91 | 15 | 2.21 ± 0.59 | 27 | 18.94 ± 5.82 | 31 | ||
Mean | 枝 Branches | 44.27 ± 4.51 | 10 | 1.55 ± 0.44 | 28 | 31.07 ± 10.43 | 34 | ||
茎 Stems | 45.81 ± 3.43 | 7 | 1.34 ± 0.35 | 26 | 36.77 ± 10.78 | 29 | |||
灌木地上部分 Shrub aboveground | 43.77 ± 4.43 | 10 | 1.56 ± 0.45 | 27 | 31.78 ± 10.12 | 32 |
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 |
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 |
科 Family | n | 碳含量 C content (%) | CV | 氮含量 N content (%) | CV | C:N | CV |
---|---|---|---|---|---|---|---|
柽柳科 Tamaricaceae | 79 | 44.61 ± 1.80bcd | 4 | 1.74 ± 0.36ab | 20 | 26.90 ± 6.65bc | 25 |
豆科 Leguminosae | 71 | 46.71 ± 2.64ab | 6 | 1.80 ± 0.48ab | 27 | 27.72 ± 7.17bc | 26 |
蒺藜科 Zygophyllaceae | 12 | 44.29 ± 2.97bcd | 7 | 1.56 ± 0.28bc | 18 | 29.59 ± 7.34bc | 25 |
藜科 Chenopodiaceae | 228 | 42.37 ± 5.19d | 12 | 1.48 ± 0.42cd | 29 | 31.62 ± 12.13bc | 38 |
蓼科 Polygonaceae | 11 | 43.56 ± 4.53cd | 10 | 1.34 ± 0.16cde | 12 | 33.17 ± 6.79b | 20 |
麻黄科 Ephedraceae | 29 | 45.68 ± 3.43abc | 8 | 1.89 ± 0.48a | 25 | 25.81 ± 7.26c | 28 |
蔷薇科 Rosaceae | 62 | 47.66 ± 2.91a | 6 | 1.25 ± 0.23de | 18 | 39.27 ± 6.52a | 17 |
旋花科 Convolvulaceae | 9 | 43.22 ± 4.16cd | 10 | 1.14 ± 0.30e | 26 | 39.99 ± 10.00a | 25 |
平均值 Average | 44.27 ± 4.51 | 10 | 1.34 ± 0.35 | 28 | 31.07 ± 10.43 | 34 |
Table 4 Branch 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 | 44.61 ± 1.80bcd | 4 | 1.74 ± 0.36ab | 20 | 26.90 ± 6.65bc | 25 |
豆科 Leguminosae | 71 | 46.71 ± 2.64ab | 6 | 1.80 ± 0.48ab | 27 | 27.72 ± 7.17bc | 26 |
蒺藜科 Zygophyllaceae | 12 | 44.29 ± 2.97bcd | 7 | 1.56 ± 0.28bc | 18 | 29.59 ± 7.34bc | 25 |
藜科 Chenopodiaceae | 228 | 42.37 ± 5.19d | 12 | 1.48 ± 0.42cd | 29 | 31.62 ± 12.13bc | 38 |
蓼科 Polygonaceae | 11 | 43.56 ± 4.53cd | 10 | 1.34 ± 0.16cde | 12 | 33.17 ± 6.79b | 20 |
麻黄科 Ephedraceae | 29 | 45.68 ± 3.43abc | 8 | 1.89 ± 0.48a | 25 | 25.81 ± 7.26c | 28 |
蔷薇科 Rosaceae | 62 | 47.66 ± 2.91a | 6 | 1.25 ± 0.23de | 18 | 39.27 ± 6.52a | 17 |
旋花科 Convolvulaceae | 9 | 43.22 ± 4.16cd | 10 | 1.14 ± 0.30e | 26 | 39.99 ± 10.00a | 25 |
平均值 Average | 44.27 ± 4.51 | 10 | 1.34 ± 0.35 | 28 | 31.07 ± 10.43 | 34 |
科 Family | n | 碳含量 C content (%) | CV | 氮含量 N content (%) | CV | C:N | CV |
---|---|---|---|---|---|---|---|
柽柳科 Tamaricaceae | 76 | 45.76 ± 2.4bcd | 5 | 1.37 ± 0.2bc | 15 | 34.35 ± 6.43cd | 19 |
豆科 Leguminosae | 66 | 47.14 ± 2.48ab | 5 | 1.62 ± 0.29a | 18 | 30.26 ± 6.58d | 22 |
蒺藜科 Zygophyllaceae | 14 | 45.82 ± 2.07abcd | 5 | 1.36 ± 0.22bcd | 17 | 34.66 ± 6.29bcd | 18 |
藜科 Chenopodiaceae | 212 | 44.91 ± 3.94cd | 9 | 1.29 ± 0.38cde | 30 | 38.13 ± 13.43abc | 35 |
蓼科 Polygonaceae | 17 | 46.76 ± 2.60abc | 6 | 1.18 ± 0.18de | 15 | 40.41 ± 5.28ab | 13 |
麻黄科 Ephedraceae | 28 | 44.99 ± 4.33cd | 10 | 1.52 ± 0.44ab | 29 | 32.20 ± 9.40d | 29 |
蔷薇科 Rosaceae | 62 | 47.57 ± 2.37a | 5 | 1.11 ± 0.19e | 17 | 43.56 ± 5.26a | 12 |
旋花科 Convolvulaceae | 13 | 44.10 ± 2.24d | 5 | 1.27 ± 0.17cde | 14 | 35.31 ± 5.54bcd | 16 |
平均值 Average | 45.81 ± 3.43 | 7 | 1.34 ± 0.35 | 26 | 36.77 ± 10.78 | 29 |
Table 5 Stem 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 | 76 | 45.76 ± 2.4bcd | 5 | 1.37 ± 0.2bc | 15 | 34.35 ± 6.43cd | 19 |
豆科 Leguminosae | 66 | 47.14 ± 2.48ab | 5 | 1.62 ± 0.29a | 18 | 30.26 ± 6.58d | 22 |
蒺藜科 Zygophyllaceae | 14 | 45.82 ± 2.07abcd | 5 | 1.36 ± 0.22bcd | 17 | 34.66 ± 6.29bcd | 18 |
藜科 Chenopodiaceae | 212 | 44.91 ± 3.94cd | 9 | 1.29 ± 0.38cde | 30 | 38.13 ± 13.43abc | 35 |
蓼科 Polygonaceae | 17 | 46.76 ± 2.60abc | 6 | 1.18 ± 0.18de | 15 | 40.41 ± 5.28ab | 13 |
麻黄科 Ephedraceae | 28 | 44.99 ± 4.33cd | 10 | 1.52 ± 0.44ab | 29 | 32.20 ± 9.40d | 29 |
蔷薇科 Rosaceae | 62 | 47.57 ± 2.37a | 5 | 1.11 ± 0.19e | 17 | 43.56 ± 5.26a | 12 |
旋花科 Convolvulaceae | 13 | 44.10 ± 2.24d | 5 | 1.27 ± 0.17cde | 14 | 35.31 ± 5.54bcd | 16 |
平均值 Average | 45.81 ± 3.43 | 7 | 1.34 ± 0.35 | 26 | 36.77 ± 10.78 | 29 |
科 Family | n | 碳含量 C content (%) | CV | 氮含量 N content (%) | CV | C:N | CV |
---|---|---|---|---|---|---|---|
柽柳科 Tamaricaceae | 76 | 42.84 ± 2.97d | 7 | 1.73 ± 0.38ab | 22 | 27.60 ± 6.48cd | 23 |
豆科 Leguminosae | 66 | 46.44 ± 2.63ab | 6 | 1.91 ± 0.45a | 23 | 26.76 ± 6.96d | 26 |
蒺藜科 Zygophyllaceae | 14 | 43.95 ± 3.49cd | 8 | 1.57 ± 0.40bc | 25 | 30.85 ± 7.86bcd | 25 |
藜科 Chenopodiaceae | 212 | 42.03 ± 4.80d | 11 | 1.50 ± 0.44cd | 29 | 32.24 ± 11.71bc | 36 |
蓼科 Polygonaceae | 17 | 46.46 ± 2.75ab | 6 | 1.21 ± 0.16e | 13 | 39.19 ± 4.38a | 11 |
麻黄科 Ephedraceae | 28 | 45.11 ± 2.94bc | 7 | 1.75 ± 0.41ab | 23 | 27.84 ± 7.16cd | 26 |
蔷薇科 Rosaceae | 62 | 47.43 ± 2.31a | 5 | 1.21 ± 0.17e | 14 | 40.97 ± 4.48a | 11 |
旋花科 Convolvulaceae | 13 | 42.18 ± 5.85d | 14 | 1.33 ± 0.31de | 23 | 33.55 ± 8.56b | 26 |
平均值 Average | 43.77 ± 4.43 | 10 | 1.56 ± 0.45 | 27 | 31.78 ± 10.12 | 32 |
Table 6 Shrub aboveground 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 | 76 | 42.84 ± 2.97d | 7 | 1.73 ± 0.38ab | 22 | 27.60 ± 6.48cd | 23 |
豆科 Leguminosae | 66 | 46.44 ± 2.63ab | 6 | 1.91 ± 0.45a | 23 | 26.76 ± 6.96d | 26 |
蒺藜科 Zygophyllaceae | 14 | 43.95 ± 3.49cd | 8 | 1.57 ± 0.40bc | 25 | 30.85 ± 7.86bcd | 25 |
藜科 Chenopodiaceae | 212 | 42.03 ± 4.80d | 11 | 1.50 ± 0.44cd | 29 | 32.24 ± 11.71bc | 36 |
蓼科 Polygonaceae | 17 | 46.46 ± 2.75ab | 6 | 1.21 ± 0.16e | 13 | 39.19 ± 4.38a | 11 |
麻黄科 Ephedraceae | 28 | 45.11 ± 2.94bc | 7 | 1.75 ± 0.41ab | 23 | 27.84 ± 7.16cd | 26 |
蔷薇科 Rosaceae | 62 | 47.43 ± 2.31a | 5 | 1.21 ± 0.17e | 14 | 40.97 ± 4.48a | 11 |
旋花科 Convolvulaceae | 13 | 42.18 ± 5.85d | 14 | 1.33 ± 0.31de | 23 | 33.55 ± 8.56b | 26 |
平均值 Average | 43.77 ± 4.43 | 10 | 1.56 ± 0.45 | 27 | 31.78 ± 10.12 | 32 |
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