Significant influence of fungi on coarse carbonaceous and potassium aerosols in a tropical rainforest
Zhang, Zhisheng1; Engling, Guenter2,3; Zhang, Leiming4; Kawamura, Kimitaka5; Yang, Yihong6; Tao, Jun1; Zhang, Renjian7; Chan, Chuen-yu8; Li, Yide9
2015-03-01
发表期刊ENVIRONMENTAL RESEARCH LETTERS
ISSN1748-9326
卷号10期号:3
文章类型Article
摘要

Fungal spores are ubiquitous in the Earth's atmosphere, especially in the environment of tropical rainforests with intense biological activities. To assess the impact of fungi on chemical components of atmospheric aerosols at a Chinese tropical rainforest site, size-segregated fungal spore tracers (i.e. arabitol and mannitol) were measured along with major aerosol components, including carbonaceous species and water-soluble inorganic ions. The fungal spore tracers were found to be predominately associated with coarse particles, in which organic carbon (OC) and potassium (K+) were also present at significant levels. Enhanced amounts of fungal spore tracers were closely linked to rainfall events. Moreover, fungal spore tracers exhibited positive correlations with relative humidity and negative correlations with wind speed, temperature or radiation. The relationships between fungal spore tracers and meteorological factors are consistent with the emission features of actively discharged fungal spores, which are generally associated with sugar alcohols and by-products such as the inorganic ion K+. The excellent correlations between fungal spore tracers and OC or K+ in the coarse particles further suggested their common emission sources. Absolute principal factor analysis further identified fungi as the largest contributor to coarse OC and K+ (both at similar to 66%) in this rainforest.

关键词Fungal Spores Molecular Tracers Organic Carbon Potassium Source Apportionment
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1088/1748-9326/10/3/034015
关键词[WOS]Secondary Organic Aerosol ; Meteorological Factors ; Size Distributions ; Atmosphere ; Particles ; Spores ; Amazon ; Precipitation ; Tracers ; Nuclei
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS记录号WOS:000351416100017
出版者IOP PUBLISHING LTD
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9332
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Zhang, Zhisheng
作者单位1.South China Inst Environm Sci, Minist Environm Protect, Guangzhou, Guangdong, Peoples R China
2.Natl Tsing Hua Univ, Dept Biomed Engn & Environm Sci, Hsinchu, Taiwan
3.Univ Nevada, Desert Res Inst, Div Atmospher Sci, Reno, NV 89506 USA
4.Environm Canada, Sci Technol Branch, Air Qual Res Div, Toronto, ON, Canada
5.Hokkaido Univ, Inst Low Temp Sci, Sapporo, Hokkaido 060, Japan
6.Beijing Inst Technol, Sch Chem Engn & Mat Sci, Zhuhai, Peoples R China
7.Chinese Acad Sci, Inst Atmospher Phys, RCE TEA, Beijing, Peoples R China
8.Chinese Acad Sci, SKLLQG, Inst Earth Environm, Key Lab Aerosol, Xian, Peoples R China
9.Bur Forestry, Inst Subtrop Forestry, Guangzhou, Guangdong, Peoples R China
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GB/T 7714
Zhang, Zhisheng,Engling, Guenter,Zhang, Leiming,et al. Significant influence of fungi on coarse carbonaceous and potassium aerosols in a tropical rainforest[J]. ENVIRONMENTAL RESEARCH LETTERS,2015,10(3).
APA Zhang, Zhisheng.,Engling, Guenter.,Zhang, Leiming.,Kawamura, Kimitaka.,Yang, Yihong.,...&Li, Yide.(2015).Significant influence of fungi on coarse carbonaceous and potassium aerosols in a tropical rainforest.ENVIRONMENTAL RESEARCH LETTERS,10(3).
MLA Zhang, Zhisheng,et al."Significant influence of fungi on coarse carbonaceous and potassium aerosols in a tropical rainforest".ENVIRONMENTAL RESEARCH LETTERS 10.3(2015).
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