中国科学院生态环境研究中心机构知识库
Advanced  
RCEES OpenIR  > 城市与区域生态国家重点实验室  > 期刊论文
题名: Effects of land use conversion and fertilization on CH4 and N2O fluxes from typical hilly red soil
作者: Liu, Huifeng; Liu, Guohua; Li, Ya; Wu, Xing; Liu, Dan; Dai, Xiaoqin; Xu, Ming; Yang, Fengting
刊名: ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
出版日期: 2016-10
卷号: 23, 期号:20, 页码:20269-20280
关键词: Land use conversion ; Methane ; Nitrous oxide ; Fertilization ; Global warming potentials
DOI: 10.1007/s11356-016-7239-3
部门归属: 城市与区域生态国家重点实验室
英文摘要: Land use conversion and fertilization have been widely reported to be important managements affecting the exchanges of greenhouse gases between soil and atmosphere. For comprehensive assessment of methane (CH4) and nitrous oxide (N2O) fluxes from hilly red soil induced by land use conversion and fertilization, a 14-month continuous field measurement was conducted on the newly converted citrus orchard plots with fertilization (OF) and without fertilization (ONF) and the conventional paddy plots with fertilization (PF) and without fertilization (PNF). Our results showed that land use conversion from paddy to orchard reduced the CH4 fluxes at the expense of increasing the N2O fluxes. Furthermore, fertilization significantly decreased the CH4 fluxes from paddy soils in the second stage after conversion, but it failed to affect the CH4 fluxes from orchard soils, whereas fertilizer applied to orchard and paddy increased soil N2O emissions by 68 and 113.9 %, respectively. Thus, cumulative CH4 emissions from the OF were 100 % lower, and N2O emissions were 421 % higher than those from the PF. Although cumulative N2O emissions were stimulated in the newly converted orchard, the strong reduction of CH4 led to lower global warming potentials (GWPs) as compared to the paddy. Besides, fertilization in orchard increased GWPs but decreased GWPs of paddy soils. In addition, measurement of soil moisture, temperature, dissolved carbon contents (DOCs), and ammonia (NH4 (+)-N) and nitrate (NO3 (-)-N) contents indicated a significant variation in soil properties and contributed to variations in soil CH4 and N2O fluxes. Results of this study suggest that land use conversion from paddy to orchard would benefit for reconciling greenhouse gas mitigation and citrus orchard cultivation would be a better agricultural system in the hilly red soils in terms of greenhouse gas emission. Moreover, selected fertilizer rate applied to paddy would lead to lower GWPs of CH4 and N2O. Nevertheless, more field measurements from newly converted orchard are highly needed to gain an insight into national and global accounting of CH4 and N2O emissions.
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/35570
Appears in Collections:城市与区域生态国家重点实验室_期刊论文

Files in This Item: Download All
File Name/ File Size Content Type Version Access License
Effects of land use conversion and fertilization on CH4 and N2O fluxes from typical hilly red soil.pdf(855KB)期刊论文作者接受稿开放获取View Download
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Liu, Huifeng]'s Articles
[Liu, Guohua]'s Articles
[Li, Ya]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Liu, Huifeng]‘s Articles
[Liu, Guohua]‘s Articles
[Li, Ya]‘s Articles
Related Copyright Policies
Null
Social Bookmarking
Add to CiteULike Add to Connotea Add to Del.icio.us Add to Digg Add to Reddit
文件名: Effects of land use conversion and fertilization on CH4 and N2O fluxes from typical hilly red soil.pdf
格式: Adobe PDF
此文件暂不支持浏览
所有评论 (0)
暂无评论
 
评注功能仅针对注册用户开放,请您登录
您对该条目有什么异议,请填写以下表单,管理员会尽快联系您。
内 容:
Email:  *
单位:
验证码:   刷新
您在IR的使用过程中有什么好的想法或者建议可以反馈给我们。
标 题:
 *
内 容:
Email:  *
验证码:   刷新

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.

 

 

Valid XHTML 1.0!
Copyright © 2007-2018  中国科学院生态环境研究中心 - Feedback
Powered by CSpace