[1]卢志宏,刘辛瑶,李兰花,等.锡林浩特草原矿区土壤碳氮磷化学计量特征[J].北方园艺,2018,42(18):102-108.[doi:10.11937/bfyy.20180549]
　LU Zhihong,LIU Xinyao,LI Lanhua,et al.Stoichiometry of Carbon,Nitrogen and Phosphorus in Mining Area of Steppe Grassland in Xinlinhot[J].Northern Horticulture,2018,42(18):102-108.[doi:10.11937/bfyy.20180549]
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锡林浩特草原矿区土壤碳氮磷化学计量特征

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第42卷 期数: 2018年18 页码: 102-108 栏目: 出版日期: 2018-09-25
Title:
Stoichiometry of Carbon,Nitrogen and Phosphorus in Mining Area of Steppe Grassland in Xinlinhot
作者:
卢志宏1; 刘辛瑶2; 李兰花3; 宋向阳3; 常书娟3; 杨勇3
（1.铜仁学院 乌江学院，贵州 铜仁 554300；2.内蒙古农业大学 草原与资源环境学院，内蒙古 呼和浩特 010018；3.内蒙古自治区草原勘察规划院，内蒙古 呼和浩特 010051）
Author(s):
LU Zhihong1; LIU Xinyao2; LI Lanhua3; SONG Xiangyang3; CHANG Shujuan3; YANG Yong3
(1.Wujiang College,Tongren College,Tongren,Guizhou 554300;2.College of Grasslands，Resources and Environment,Inner Mongolia Agricultural University，Hohhot,Inner Mongolia 010018;3.Inner Mongolia Institute of Grassland Survey and Planning,Hohhot,Inner Mongolia 010051)
关键词:
生态化学计量; 碳氮比; 碳磷比; 氮磷比
Keywords:
ecological stoichiome; C/N; C/P; N/P
DOI:
10.11937/bfyy.20180549
文献标志码:
A
摘要:
为了解草原矿区土壤碳（C）、氮（N）、磷（P）含量及生态化学计量特征，以锡林浩特胜利煤田周围草原为研究对象，研究不同距离、不同方向土壤C、N、P含量及化学计量特征。结果表明：1）土壤有机碳、全氮、全磷含量在4.0 km处最高，碳磷比（C/P）、氮磷比（N/P）在4.0 km处最高，碳氮比（C/N）在0 km处最高；2）有机碳含量在东向最高，全氮含量在东向和北向最高，全磷含量在北向最高;3）土壤有机碳含量与全氮含量、全磷含量、碳氮比、碳磷比、氮磷比，全氮含量与全磷含量、碳磷比、氮磷比，碳氮比与碳磷比，碳磷比与氮磷比呈极显著正相关（P<0.01）；碳氮比与氮磷比呈显著负相关（P<0.05）。试验表明，土壤碳、氮、磷含量、碳磷比最高值出现在4.0 km处，碳氮比最高值出现在0 km处，而土壤中磷元素迁移速度较慢，因此推测露天开采煤炭形成的粉尘促进了无机碳的扩散和转换。
Abstract:
Concentration and stoichiometric characteristics of C，N and P in mining area of Steppe grassland with different sampling distances were investigated and different directions around Shengli Coalfield in Xinlinhot.The results showed that,1)The contents of organic carbon,total nitrogen,total phosphorus were highest at 4.0 km,while the ratio of C∶N,N∶P were highest at 4.0 km,and the ratio of C∶N wasthe highest at 0 km.2)The content of organic carbon was the highest in the east,the contents of total nitrogen was the highest in the east and the north,and the content of total phosphorus was the highest in the north.3)The contents of soil organic carbon was extremely significant positive correlation among the contents of total nitrogen,total phosphorus,the ratio of C∶N,C∶P,N∶P(P<0.01).The content of total nitrogen was extremely significant positive correlation among the contents of total phosphorus,the ratio of C∶P,N∶P (P<0.01).The ratio of C∶N was extremely significant positive correlation in the ratio of N∶P,and the ratio of C∶P was extremely significant postivie correlation with the ratio of N∶P (P<0.01).The ratio of C∶N was significant negative correlation with the ratio of N∶P (P<0.05).The highest contents of carbon,nitrogen and phosphorus in soil were the highest at 4.0 km,and the highest ratio of C∶P appeared at 4.0 km,the highest ratio of C∶N appeared at 0 km.In conclusion,soil phosphorus migration speed was slower,and dust produced by mining coal development promotes the inorganic carbon diffusion and transformation.

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备注/Memo

第一作者简介：卢志宏（1982-），男，内蒙古赤峰人，博士，副教授，现主要从事草地管理等研究工作。E-mail：luzhihong305@163.com.责任作者：杨勇（1984-），男，内蒙古乌兰察布人，博士，研究员，现主要从事草原生态修复和草原生态监测等研究工作。E-mail：yangyong606@Gmail.com.基金项目：内蒙古自治区自然科学基金资助项目（2017BS0310）；内蒙古自治区科技创新引导奖励资金资助项目（20170519）。收稿日期：2018-03-12

更新日期/Last Update: 2018-10-24