植物生态学报 ›› 2017, Vol. 41 ›› Issue (1): 136-146.DOI: 10.17521/cjpe.2016.0026
所属专题: 中国灌丛生态系统碳储量的研究; 生态化学计量
苏凯文1, 陈路红1, 郑伟1, 潘瑶2, 尹华军3, 巩合德1,*()
收稿日期:
2016-01-17
接受日期:
2016-12-25
出版日期:
2017-01-10
发布日期:
2017-01-23
通讯作者:
巩合德
作者简介:
* 通信作者Author for correspondence (E-mail:基金资助:
Kai-Wen SU1, Lu-Hong CHEN1, Wei ZHENG1, Yao PAN2, Hua-Jun YIN3, He-De GONG1,*()
Received:
2016-01-17
Accepted:
2016-12-25
Online:
2017-01-10
Published:
2017-01-23
Contact:
He-De GONG
About author:
KANG Jing-yao(1991-), E-mail: 摘要:
碳(C)、氮(N)、磷(P)在植物生长和各种生理调节机能中发挥着重要作用。为研究云南灌丛生态系统C、N、P含量之间的关系以及植物生物量、土壤C、N、P含量与植物C、N、P含量的相互影响, 该研究采用样地调查的方法, 在云南省云南杨梅(Myrica nana)灌丛主要分布区设立了29个样地, 通过测量样地中云南杨梅灌丛C、N、P含量, 系统分析了云南杨梅C、N、P的计量规律。结果显示: 1)研究区域云南杨梅根茎叶的C、N、P含量的平均值分别是45.94%、0.54%、0.03%, 46.32%、0.58%、0.03%和49.05%、1.70%、0.06% (干质量), 其中叶的C、N、P含量均显著高于茎和根。在根中C:N:P为1531:18:1, 在茎中C:N:P为1544:19:1, 而在叶中C:N:P为818:10:1, 反映了云南杨梅不同部位元素计量不同的分配关系; 2)云南杨梅叶片中C含量和N:P值随生物量的增加而降低, 但只有叶片C含量与生物量的相关关系极显著, 而N:P值与生物量的相关关系不显著。叶片中N含量和P含量随生物量的增加而升高, 其中P含量与生物量的相关关系显著, N含量与生物量的相关关系不显著。云南杨梅叶的N:P (34.2)明显大于8, 说明P是云南杨梅生长的限制因素。3)根的C、N、P含量与土壤中的P含量都有显著的相关性, 其中N、P为极显著正相关, C为显著负相关; 茎的C含量与土壤的C、N、P含量都显著负相关, 且N、P含量的相关性极显著, 而茎的P含量与土壤中的P含量极显著正相关; 叶的P含量与土壤的C、N、P含量都极显著正相关, 叶的C含量则与土壤的P含量极显著负相关。该研究结果可为西南高原灌丛生态系统的研究提供数据支持。
苏凯文, 陈路红, 郑伟, 潘瑶, 尹华军, 巩合德. 云南杨梅碳、氮、磷化学计量特征. 植物生态学报, 2017, 41(1): 136-146. DOI: 10.17521/cjpe.2016.0026
Kai-Wen SU, Lu-Hong CHEN, Wei ZHENG, Yao PAN, Hua-Jun YIN, He-De GONG. Carbon, nitrogen and phosphorus stoichiometry of Myrica nana in Yunnan, China. Chinese Journal of Plant Ecology, 2017, 41(1): 136-146. DOI: 10.17521/cjpe.2016.0026
样地编号 Site number | 样地地点 Site location | 纬度 Latitude (N) | 经度 Longitude (E) | 海拔 Altitude (m) |
---|---|---|---|---|
YN002 | 云南省姚安县 Yao’an,Yunnan | 25.52° | 101.40° | 2 220.6 |
YN003 | 云南省姚安县 Yao’an,Yunnan | 25.49° | 101.31° | 2 623.1 |
YN004 | 云南省姚安县 Yao’an,Yunnan | 25.50° | 101.15° | 2 093.3 |
YN006 | 云南省大姚县 Dayao,Yunnan | 25.66° | 101.15° | 2 258.6 |
YN010 | 云南省大姚县 Dayao,Yunnan | 25.71° | 101.48° | 2 120.4 |
YN011 | 云南省大姚县 Dayao,Yunnan | 25.91° | 101.23° | 2 396.0 |
YN013 | 云南省牟定县 Mouding,Yunnan | 25.45° | 101.46° | 2 037.9 |
YN016 | 云南省牟定县 Mouding,Yunnan | 25.44° | 101.53° | 2 145.2 |
YN017 | 云南省牟定县 Mouding,Yunnan | 25.45° | 101.63° | 2 245.0 |
YN018 | 云南省南华县 Nanhua,Yunnan | 25.33° | 101.03° | 2 567.2 |
YN019 | 云南省南华县 Nanhua,Yunnan | 25.17° | 101.06° | 2 392.4 |
YN020 | 云南省南华县 Nanhua,Yunnan | 25.32° | 101.26° | 2 148.2 |
YN022 | 云南省禄丰县 Lufeng,Yunnan | 25.31° | 102.12° | 2 113.1 |
YN024 | 云南省禄丰县 Lufeng,Yunnan | 25.31° | 101.90° | 2 199.1 |
YN025 | 云南省禄丰县 Lufeng,Yunnan | 25.32° | 101.87° | 2 272.3 |
YN026 | 云南省安宁县 Anning,Yunnan | 24.86° | 102.45° | 2 043.8 |
YN027 | 云南省安宁县 Anning,Yunnan | 24.82° | 102.42° | 2 123.4 |
YN028 | 云南省安宁县 Anning,Yunnan | 24.85° | 102.39° | 1 950.0 |
YN029 | 云南省昆明市 Kunming,Yunnan | 25.14° | 102.61° | 2 183.4 |
YN030 | 云南省嵩明县 Songming,Yunnan | 25.41° | 103.04° | 2 084.8 |
YN038 | 云南省昆明市 Kunming,Yunnan | 25.22° | 102.66° | 2 137.5 |
YN039 | 云南省富民县 Fumin,Yunnan | 25.23° | 102.42° | 2 086.0 |
YN040 | 云南省富民县 Fumin,Yunnan | 25.28° | 102.63° | 2 214.7 |
YN041 | 云南省寻甸县 Xundian,Yunnan | 25.54° | 103.39° | 2 060.9 |
YN044 | 云南省寻甸县 Xundian,Yunnan | 25.52° | 103.38° | 2 008.0 |
YN050 | 云南省会泽县 Huize,Yunnan | 26.47° | 103.46° | 2 040.0 |
YN052 | 云南省会泽县 Huize,Yunnan | 26.50° | 103.45° | 2 010.0 |
YN058 | 云南省师宗县 Shizong,Yunnan | 24.91° | 103.87° | 2 156.0 |
YN068 | 云南省砚山县 Yanshan,Yunnan | 23.77° | 104.68° | 1 656.0 |
表1 云南29个云南杨梅标准样地的相关信息
Table 1 Characteristics of the 29 study sites of Myrica nana shrub in Yunnan Province
样地编号 Site number | 样地地点 Site location | 纬度 Latitude (N) | 经度 Longitude (E) | 海拔 Altitude (m) |
---|---|---|---|---|
YN002 | 云南省姚安县 Yao’an,Yunnan | 25.52° | 101.40° | 2 220.6 |
YN003 | 云南省姚安县 Yao’an,Yunnan | 25.49° | 101.31° | 2 623.1 |
YN004 | 云南省姚安县 Yao’an,Yunnan | 25.50° | 101.15° | 2 093.3 |
YN006 | 云南省大姚县 Dayao,Yunnan | 25.66° | 101.15° | 2 258.6 |
YN010 | 云南省大姚县 Dayao,Yunnan | 25.71° | 101.48° | 2 120.4 |
YN011 | 云南省大姚县 Dayao,Yunnan | 25.91° | 101.23° | 2 396.0 |
YN013 | 云南省牟定县 Mouding,Yunnan | 25.45° | 101.46° | 2 037.9 |
YN016 | 云南省牟定县 Mouding,Yunnan | 25.44° | 101.53° | 2 145.2 |
YN017 | 云南省牟定县 Mouding,Yunnan | 25.45° | 101.63° | 2 245.0 |
YN018 | 云南省南华县 Nanhua,Yunnan | 25.33° | 101.03° | 2 567.2 |
YN019 | 云南省南华县 Nanhua,Yunnan | 25.17° | 101.06° | 2 392.4 |
YN020 | 云南省南华县 Nanhua,Yunnan | 25.32° | 101.26° | 2 148.2 |
YN022 | 云南省禄丰县 Lufeng,Yunnan | 25.31° | 102.12° | 2 113.1 |
YN024 | 云南省禄丰县 Lufeng,Yunnan | 25.31° | 101.90° | 2 199.1 |
YN025 | 云南省禄丰县 Lufeng,Yunnan | 25.32° | 101.87° | 2 272.3 |
YN026 | 云南省安宁县 Anning,Yunnan | 24.86° | 102.45° | 2 043.8 |
YN027 | 云南省安宁县 Anning,Yunnan | 24.82° | 102.42° | 2 123.4 |
YN028 | 云南省安宁县 Anning,Yunnan | 24.85° | 102.39° | 1 950.0 |
YN029 | 云南省昆明市 Kunming,Yunnan | 25.14° | 102.61° | 2 183.4 |
YN030 | 云南省嵩明县 Songming,Yunnan | 25.41° | 103.04° | 2 084.8 |
YN038 | 云南省昆明市 Kunming,Yunnan | 25.22° | 102.66° | 2 137.5 |
YN039 | 云南省富民县 Fumin,Yunnan | 25.23° | 102.42° | 2 086.0 |
YN040 | 云南省富民县 Fumin,Yunnan | 25.28° | 102.63° | 2 214.7 |
YN041 | 云南省寻甸县 Xundian,Yunnan | 25.54° | 103.39° | 2 060.9 |
YN044 | 云南省寻甸县 Xundian,Yunnan | 25.52° | 103.38° | 2 008.0 |
YN050 | 云南省会泽县 Huize,Yunnan | 26.47° | 103.46° | 2 040.0 |
YN052 | 云南省会泽县 Huize,Yunnan | 26.50° | 103.45° | 2 010.0 |
YN058 | 云南省师宗县 Shizong,Yunnan | 24.91° | 103.87° | 2 156.0 |
YN068 | 云南省砚山县 Yanshan,Yunnan | 23.77° | 104.68° | 1 656.0 |
变量 Variable | 数量 Number | 平均值 Mean (%) | 中值 Median (%) | 标偏差 Standard deviation | 最大值 Maximum (%) | 最小值 Minimum (%) | |
---|---|---|---|---|---|---|---|
C | 根 Root | 84 | 45.94 | 46.03 | 1.05 | 47.83 | 40.96 |
茎 Shoot | 83 | 46.32 | 46.48 | 0.69 | 47.74 | 43.89 | |
叶 Leaf | 84 | 49.05 | 49.25 | 1.03 | 51.03 | 43.97 | |
N | 根 Root | 84 | 0.54 | 0.54 | 0.86 | 0.82 | 0.38 |
茎 Shoot | 84 | 0.58 | 0.56 | 0.12 | 0.93 | 0.40 | |
叶 Leaf | 84 | 1.70 | 1.73 | 0.23 | 2.15 | 0.29 | |
P | 根 Root | 84 | 0.03 | 0.02 | 0.03 | 0.11 | 0.01 |
茎 Shoot | 84 | 0.03 | 0.02 | 0.02 | 0.09 | 0.01 | |
叶 Leaf | 84 | 0.06 | 0.05 | 0.02 | 0.14 | 0.03 |
表2 云南杨梅C、N、P含量统计特征
Table 2 Statistics of carbon (C), nitrogen (N), and phosphorus (P) in Myrica nana
变量 Variable | 数量 Number | 平均值 Mean (%) | 中值 Median (%) | 标偏差 Standard deviation | 最大值 Maximum (%) | 最小值 Minimum (%) | |
---|---|---|---|---|---|---|---|
C | 根 Root | 84 | 45.94 | 46.03 | 1.05 | 47.83 | 40.96 |
茎 Shoot | 83 | 46.32 | 46.48 | 0.69 | 47.74 | 43.89 | |
叶 Leaf | 84 | 49.05 | 49.25 | 1.03 | 51.03 | 43.97 | |
N | 根 Root | 84 | 0.54 | 0.54 | 0.86 | 0.82 | 0.38 |
茎 Shoot | 84 | 0.58 | 0.56 | 0.12 | 0.93 | 0.40 | |
叶 Leaf | 84 | 1.70 | 1.73 | 0.23 | 2.15 | 0.29 | |
P | 根 Root | 84 | 0.03 | 0.02 | 0.03 | 0.11 | 0.01 |
茎 Shoot | 84 | 0.03 | 0.02 | 0.02 | 0.09 | 0.01 | |
叶 Leaf | 84 | 0.06 | 0.05 | 0.02 | 0.14 | 0.03 |
部位 Part | 变量 Variable | 数量 Number | 平均值 Mean | 最大值 Maximum | 最小值 Minimum | 标准偏差 Standard Deviation |
---|---|---|---|---|---|---|
根 Root | C:N | 84 | 86.6 | 120.0 | 57.1 | 13.5 |
C:P | 84 | 2 559.8 | 5 189.6 | 419.7 | 1 494.8 | |
N:P | 84 | 29.6 | 70.0 | 5.1 | 17.1 | |
茎 Stem | C:N | 83 | 82.2 | 116.3 | 49.9 | 14.5 |
C:P | 83 | 2 656.2 | 7 235.8 | 514.4 | 1 515.5 | |
N:P | 83 | 31.9 | 83.76 | 4.95 | 16.7 | |
叶 Leaf | C:N | 84 | 30.4 | 153.9 | 23.1 | 14.1 |
C:P | 84 | 1 012.9 | 1 918.7 | 340.6 | 322.3 | |
N:P | 84 | 34.2 | 64.6 | 9.1 | 9.8 |
表3 云南杨梅C、N、P化学计量统计特征
Table 3 Stoichiometric characteristic of carbon (C), nitrogen (N), and phosphorus (P) in Myrica nana
部位 Part | 变量 Variable | 数量 Number | 平均值 Mean | 最大值 Maximum | 最小值 Minimum | 标准偏差 Standard Deviation |
---|---|---|---|---|---|---|
根 Root | C:N | 84 | 86.6 | 120.0 | 57.1 | 13.5 |
C:P | 84 | 2 559.8 | 5 189.6 | 419.7 | 1 494.8 | |
N:P | 84 | 29.6 | 70.0 | 5.1 | 17.1 | |
茎 Stem | C:N | 83 | 82.2 | 116.3 | 49.9 | 14.5 |
C:P | 83 | 2 656.2 | 7 235.8 | 514.4 | 1 515.5 | |
N:P | 83 | 31.9 | 83.76 | 4.95 | 16.7 | |
叶 Leaf | C:N | 84 | 30.4 | 153.9 | 23.1 | 14.1 |
C:P | 84 | 1 012.9 | 1 918.7 | 340.6 | 322.3 | |
N:P | 84 | 34.2 | 64.6 | 9.1 | 9.8 |
部位 Part | 项目 Element | 根 Root | 茎 Stem | 叶 Leaf | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
C | N | P | C | N | P | C | N | P | ||||
根 Root | C | 1 | -0.025 | -0.020 | 0.43** | -0.03 | -0.10 | 0.43** | -0.09 | -0.27* | ||
N | 1 | 0.080 | -0.27* | 0.20 | 0.25* | -0.23* | 0.20 | 0.42** | ||||
P | 1 | -0.28* | -0.13 | 0.58** | -0.27* | 0.05 | 0.42** | |||||
茎 Stem | C | 1 | 0.14 | -0.53** | 0.65** | 0.01 | -0.57** | |||||
N | 1 | 0.18 | -0.11 | 0.25* | 0.06 | |||||||
P | 1 | -0.45** | 0.05 | 0.49** | ||||||||
叶 Leaf | C | 1 | 0.18 | -0.47** | ||||||||
N | 1 | 0.43** | ||||||||||
P | 1 |
表4 植物不同部位C、N、P含量的相关关系
Table 4 Relationship among carbon (C), nitrogen (N) and phosphorus (P) concentration in different parts of Myrica nana
部位 Part | 项目 Element | 根 Root | 茎 Stem | 叶 Leaf | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
C | N | P | C | N | P | C | N | P | ||||
根 Root | C | 1 | -0.025 | -0.020 | 0.43** | -0.03 | -0.10 | 0.43** | -0.09 | -0.27* | ||
N | 1 | 0.080 | -0.27* | 0.20 | 0.25* | -0.23* | 0.20 | 0.42** | ||||
P | 1 | -0.28* | -0.13 | 0.58** | -0.27* | 0.05 | 0.42** | |||||
茎 Stem | C | 1 | 0.14 | -0.53** | 0.65** | 0.01 | -0.57** | |||||
N | 1 | 0.18 | -0.11 | 0.25* | 0.06 | |||||||
P | 1 | -0.45** | 0.05 | 0.49** | ||||||||
叶 Leaf | C | 1 | 0.18 | -0.47** | ||||||||
N | 1 | 0.43** | ||||||||||
P | 1 |
图1 云南杨梅生物量与叶片碳(A)、氮(B)、磷含量(C)及N:P (D)的关系。
Fig. 1 Relationship between biomass and C (A), N (B), and P (C) concentrations, N:P (D) of leaf of Myrica nana.
图2 土壤C、N、P含量(平均值±标准偏差)。不同小写字母表示差异显著(p < 0.05)。
Fig. 2 Soil C, N and P concentration (mean ± SD). Different lowercase letters indicate significant differences (p < 0.05).
元素 Element | 根 Root | 茎 Stem | 叶 Leaf | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
C | N | P | C | N | P | C | N | P | ||||
表层土 Top soil | C | -0.09 | 0.10 | 0.14 | -0.25* | -0.11 | 0.10 | -0.07 | 0.16 | 0.29** | ||
N | -0.16 | 0.15 | 0.16 | -0.29** | -0.02 | 0.16 | -0.17 | 0.18 | 0.31** | |||
P | -0.27* | 0.33** | 0.32** | -0.39** | 0.07 | 0.57** | -0.39** | 0.21 | 0.46** |
表5 土壤C、N、P含量与云南杨梅C、N、P含量的相关性
Table 5 Correlation between soil and Myrica nana carbon (C), nitrogen (N) and phosphorus (P) concentrations
元素 Element | 根 Root | 茎 Stem | 叶 Leaf | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
C | N | P | C | N | P | C | N | P | ||||
表层土 Top soil | C | -0.09 | 0.10 | 0.14 | -0.25* | -0.11 | 0.10 | -0.07 | 0.16 | 0.29** | ||
N | -0.16 | 0.15 | 0.16 | -0.29** | -0.02 | 0.16 | -0.17 | 0.18 | 0.31** | |||
P | -0.27* | 0.33** | 0.32** | -0.39** | 0.07 | 0.57** | -0.39** | 0.21 | 0.46** |
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