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[1]赵 耀 王百田,** 李 萌 王旭虎 董秀群.晋西吕梁山区3种森林碳氮磷生态化学计量特征*[J].应用与环境生物学报,2018,24(04):1-10.[doi:10.3724/SP.J.1145.2017.11039]
 ZHAO Yao,WANG Baitian,**,et al.Ecological stoichiometric characteristics of carbon, nitrogen and phosphorus of three forests in Luliang Mountainous Area of Shanxi Province*[J].Chinese Journal of Applied & Environmental Biology,2018,24(04):1-10.[doi:10.3724/SP.J.1145.2017.11039]
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晋西吕梁山区3种森林碳氮磷生态化学计量特征*()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
24卷
期数:
2018年04期
页码:
1-10
栏目:
研究论文
出版日期:
2018-08-25

文章信息/Info

Title:
Ecological stoichiometric characteristics of carbon, nitrogen and phosphorus of three forests in Luliang Mountainous Area of Shanxi Province*
文章编号:
201711039
作者:
赵 耀1 王百田1 2** 李 萌3 王旭虎1 董秀群1
1北京林业大学水土保持学院 北京 100083
2水土保持与荒漠化防治教育部重点实验室 北京 100083
3北京林业大学生物科学与技术学院 北京 100083
Author(s):
ZHAO Yao1 WANG Baitian1 2** LI Meng3 WANG Xuhu1 & DONG Xiuqun1
1School of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China?
2Key Laboratory of Soil and Water Conservation and Desertification Combating, Ministry of Education, Beijing 100083, China?
3College of Biological Science and Technology, Beijing Forestry University, Beijing 100083, China
关键词:
叶片枯落物土壤碳氮磷计量特征
Keywords:
leaf litter soil carbon nitrogen and phosphorus stoichiometric characteristics
DOI:
10.3724/SP.J.1145.2017.11039
摘要:
以吕梁山区3种人工林(山杨林、落叶松林和油松林)为研究对象,采用标准样地的实测数据,探索植物叶片、枯落物及表层(0-20 cm)土壤的C、N、P生态化学计量特征,并对其进行相关性分析。结果表明:不同森林类型同一组分C、N、P含量差异显著,叶片、枯落物、土壤的C、N含量均为山杨林大于落叶松林和油松林,P含量为落叶松林大于山杨林和油松林。3种森林C、N、P含量均为叶片>枯落物>土壤,且叶片与枯落物 C、N、P 含量显著高于土壤;C:N、C:P均表现为枯落物>叶片>土壤,N:P则表现为叶片>土壤>枯落物。山杨林枯落物N:P与土壤N:P呈现显著正相关;落叶松林叶片C:N与枯落物N:P呈现显著负相关,叶片C:P与土壤N:P呈现显著正相关;油松林叶片N:P与土壤N:P呈现显著正相关。以3种森林类型总体来说,叶片与土壤N含量呈现显著正相关,而枯落物与土壤C、N、P之间均无显著相关。环境因素对土壤C、N、P计量特征的影响较大,尤其是纬度和海拔对土壤C、N、P及C:N、C:P的影响最为显著,且均为显著正相关。本研究结果对进一步研究该地区不同树种的养分利用和循环特征提供科学依据。(图2 表4 参42)
Abstract:
This paper reports the stoichiometry of carbon (C), nitrogen (N) and phosphorus (P) of leaves, litter and soil(0-20cm)in three forests associated with tree species: Populus davidiana, Larix principis-rupprechtii and Pinus tabuliformis. The results showed that the stoichiometry of C, N and P of the same component in the three forests were significantly different. The contents of C, N of leaves, litter and soil in P. davidiana forest were higher than that in L. principis-rupprechtii forest and P. tabuliformis forest. However, P in L. principis-rupprechti forest was higher than that in P. davidiana forest and P. tabuliformis forest. The contents of C, N and P in three forests were in order of leaf > litter > soil, and its in leaves and litter were significantly higher than those in soil. C:N and C:P in three forests showed the trend of litter > leaf > soil, while N:P was leaf > soil > litter. There were highly significant positive relationships in N:P between litter and soil in P. davidiana forest. Leaf C:N and litter C:P in L. principis-rupprechtii forest showed a significant negative correlation, while N:P between leaf and soil was positive correlation. There was a significant positive correlation in N:P between leaf and soil in P. tabuliformis forest. In general, the contents of N between leaf and soil showed a significant positive correlation, while there was no significant correlation in C, N, P between litter and soil. The environmental factors had a great influence on the stoichiometry of C, N and P in soil, especially that of latitude and altitude on C, N, P, C:N and C:P were most significant and showed significantly positive correlation. These results provide a scientific basis for further study on nutrient utilization and cycle characteristics of different forests in this area.

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备注/Memo

备注/Memo:
收稿日期:2017-11-27 接受日期: 2017-12-19
*国家科技支撑计划项目(2015BAD07B02)资助
**通讯作者(E-mail: 13910595782@163.com)
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更新日期/Last Update: 2018-01-10