Effects of environmental and biotic factors on soil respiration in a coastal wetland in the Yellow River Delta, China
其他题名环境因子和生物因子对黄河三角洲滨海湿地土壤呼吸的影响
Chen, Liang1; Liu, Zi-Ting1; Han, Guang-Xuan2; Chu, Xiao-Jing2; Sun, Bao-Yu2; Liu, Hai-Fang3; Li, Jian-Wen3
发表期刊Chinese Journal of Applied Ecology
ISSN1001-9332
2016-06-01
卷号27期号:6页码:1795-1803
关键词Aboveground Biomass Biological Survey Biotic Factor Coastal Wetland Diurnal Variation Environmental Factor Growing Season Leaf Area Index Seasonal Variation Soil Respiration Soil Temperature Soil Water Water Content
作者部门中科院海岸带环境过程与生态修复重点实验室
英文摘要

Using the Li-8150 multichannel automatic soil CO2efflux system, soil respiration was measured continuously over a one-year period in a coastal wetland in the Yellow River Delta, China. Environmental and biological factors were measured simultaneously, including temperature, soil water content, aboveground biomass and leaf area index. The results showed that the diurnal variation of soil respiration presented a single-peak curve, but it appeared as multiple peaks when disturbed by soil freezing and surface flooding. Soil respiration showed obvious seasonal dynamics and a single peak curve. The average annual soil respiration was 0.85 μmol CO2·m-2·s-1, and the mean soil respiration rate was 1.22 μmol CO2·m-2·s-1during the growing season. On one-year scale, soil temperature was a major factor influencing soil respiration in the coastal wetland, which explained 87.5% of the variation in soil respiration. On the growing season scale, soil water content and leaf area index accounted for 85% of the seasonal variation of soil respiration.

中文摘要

采用Li-8150多通道土壤呼吸自动测量系统对黄河三角洲滨海湿地土壤呼吸进行全年连续测定,同步测量了温度、土壤含水量、地上生物量以及叶面积指数等环境因子和生物因子.结果表明:土壤呼吸日动态在全年尺度上多呈单峰型,但在受到土壤封冻和地表积水干扰时,土壤呼吸日动态呈多峰型.土壤呼吸具有明显的季节动态特征,总体呈单峰型,年平均土壤呼吸速率为0.85 mumol CO_2·m~(-2)·s~(-1),生长季平均土壤呼吸速率为1.22 mumol CO_2·m~(-2)· s~(-1).在全年尺度上,土壤温度是滨海湿地土壤呼吸的主要控制因子,可解释全年土壤呼吸87.5%的变化.在生长季尺度上,土壤含水量和叶面积指数对土壤呼吸的协同影响达到85%.

文章类型Journal article
收录类别EI ; CSCD
语种中文
WOS记录号WOS:17
EI主题词aboveground biomass ; biological survey ; biotic factor ; coastal wetland ; diurnal variation ; environmental factor ; growing season ; leaf area index ; seasonal variation ; soil respiration ; soil temperature ; soil water ; water content
EI入藏号4996502
引用统计
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/17501
专题中国科学院海岸带环境过程与生态修复重点实验室
通讯作者Han, Guang-Xuan
作者单位1.College of Environment and Planning, Liaocheng University
2.Key Laboratory of Coastal Zone Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences
3.Administration Bureau of the Yellow River Delta National Nature Zone Reserve, Dongying
推荐引用方式
GB/T 7714
Chen, Liang,Liu, Zi-Ting,Han, Guang-Xuan,et al. Effects of environmental and biotic factors on soil respiration in a coastal wetland in the Yellow River Delta, China[J]. Chinese Journal of Applied Ecology,2016,27(6):1795-1803.
APA Chen, Liang.,Liu, Zi-Ting.,Han, Guang-Xuan.,Chu, Xiao-Jing.,Sun, Bao-Yu.,...&Li, Jian-Wen.(2016).Effects of environmental and biotic factors on soil respiration in a coastal wetland in the Yellow River Delta, China.Chinese Journal of Applied Ecology,27(6),1795-1803.
MLA Chen, Liang,et al."Effects of environmental and biotic factors on soil respiration in a coastal wetland in the Yellow River Delta, China".Chinese Journal of Applied Ecology 27.6(2016):1795-1803.
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