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Fluxes, seasonal patterns and sources of various nutrient species (nitrogen, phosphorus and silicon) in atmospheric wet deposition and their ecological effects on Jiaozhou Bay, North China
Xing, Jianwei1,2; Song, Jinming1,3; Yuan, Huamao1,3; Li, Xuegang1,3; Li, Ning1,3; Duan, Liqin1,3; Kang, Xuming1,3; Wang, Qidong1,3
2017-01-15
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
Volume576Pages:617-627
SubtypeArticle
AbstractAtmospheric wet deposition (AWD) is an important pathway for anthropogenic and natural pollutants entering aquatic ecosystems. However, the study on the magnitudes and ecological effects of AWD of various nutrient species (nitrogen, phosphorus and silicon) on Jiaozhou Bay is scarce. To address these issues, in this study, wet deposition samples were collected at a coastline site along Jiaozhou Bay from June 2015 to May 2016. Dissolved inorganic nitrogen (DIN, including NH4-N, NO3-N and NO2-N), dissolved organic nitrogen (DON), dissolved inorganic phosphorus (DIP, i.e. PO4-P), dissolved organic phosphorus (DOP) and reactive silicate (SiO3-Si) were analyzed. The volume-weighted mean (VWM) concentrations of NH4-N, NO3-N and DON in AWD were higher compared with those of NO2-N, PO4-P, DOP and SiO3-Si. The annual influxes of NH4-N, NO3-N, NO2-N, DON, DIP, DOP, and SiO3-Si via AWD were 92.8, 54.5, 0.427, 475, 0274, 0.448 and 1.73 mmol. m(-2).yr(-1) respectively; NH4-N and DOP were the dominant species for N and P, and the roles of DON and DOP in AWD could not be neglected. Significant seasonal variations were observed in concentrations and fluxes of all nutrient species owing to the effects of rainfall, the intensities of local emission sources and the long-distance transports of natural and anthropogenic pollutants. The major sources of N, Si and Pin AWD were agricultural activities, soil dust and a mixing one involving both anthropogenic and natural sources, respectively. Though AWD represents relatively low percentages of external inputs for nutrients and low contribution to primary productivity (PP) of Jiaozhou Bay, large amounts of nutrient inputs originating from sudden heavy rains may enhance PP prominently, as well as aggravate P-limitation and Si-limitation and further affect phytoplankton community structures and size-fractioned structures with the quite high DIN:DIP ratios and extremely low Si:DIN ratios in AWD. (C) 2016 Elsevier B.V. All rights reserved.
KeywordNutrient Atmospheric Wet Deposition Fluxes Temporal Variations Sources Etological Effects Jiaozhou Bay
DOI10.1016/j.scitotenv.2016.10.134
Indexed BySCI
Language英语
WOS IDWOS:000390964700060
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/136268
Collection海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Funct Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China
First Author Affilication中国科学院海洋研究所
Recommended Citation
GB/T 7714
Xing, Jianwei,Song, Jinming,Yuan, Huamao,et al. Fluxes, seasonal patterns and sources of various nutrient species (nitrogen, phosphorus and silicon) in atmospheric wet deposition and their ecological effects on Jiaozhou Bay, North China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2017,576:617-627.
APA Xing, Jianwei.,Song, Jinming.,Yuan, Huamao.,Li, Xuegang.,Li, Ning.,...&Wang, Qidong.(2017).Fluxes, seasonal patterns and sources of various nutrient species (nitrogen, phosphorus and silicon) in atmospheric wet deposition and their ecological effects on Jiaozhou Bay, North China.SCIENCE OF THE TOTAL ENVIRONMENT,576,617-627.
MLA Xing, Jianwei,et al."Fluxes, seasonal patterns and sources of various nutrient species (nitrogen, phosphorus and silicon) in atmospheric wet deposition and their ecological effects on Jiaozhou Bay, North China".SCIENCE OF THE TOTAL ENVIRONMENT 576(2017):617-627.
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