Yang, Bo1,2,3; Gao, Xuelu1,2,3
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发表期刊CHEMOSPHERE
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ISSN0045-6535
2021-06-01
卷号273页码:11
关键词Mariculture areaSurface sedimentLaboratory incubationCoastal biogeochemistryWater-sediment interface
DOI10.1016/j.chemosphere.2021.129641
通讯作者Gao, Xuelu(xlgao@yic.ac.cn); Zhao, Jianmin(jmzhao@yic.ac.cn)
英文摘要Surface sediments were collected from a mariculture area adjacent to the Yangma Island suffering from hypoxia in summer, and a laboratory static incubation was conducted to study the sedimentary oxygen consumption (SOC) and the benthic fluxes of nutrients and fluorescent dissolved organic matter (FDOM). Compared with some coastal areas, the SOC of the studied area was relatively low in summer with the value of 2.34-6.03 mmol m(-2) d(-1). Sediment acted as an important source of nutrients (except for nitrate) and FDOM for the overlying water. Dissolved oxygen (DO) in the overlying water could affect the decomposition mode of sedimentary organic matter (SOM), i.e. aerobic and anaerobic decomposition and subsequently dominated the release of nutrients and FDOM. When DO > 50 mu mol l(-1), it was beneficial to the release of ammonium, silicate and FDOM. In contrast, low oxygen conditions, i.e. DO < 100 mu mol l(-1), stimulated sediment phosphate efflux. In addition, scallop farming activities also affected the SOC and benthic flux of nutrients and FDOM mainly through biological deposition. (C) 2021 Elsevier Ltd. All rights reserved.
资助机构Strategic Priority Research Program of the Chinese Academy of Sciences
收录类别SCI
语种英语
关键词[WOS]DISSOLVED ORGANIC-MATTER; PEARL RIVER ESTUARY; WATER INTERFACE; HYPOXIC REGION; CARBON; BAY; GEOCHEMISTRY; PHOSPHORUS; NUTRIENTS; DYNAMICS
研究领域[WOS]Environmental Sciences & Ecology
WOS记录号WOS:000641584000067
引用统计被引频次:5[WOS][WOS记录][WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cnhttp://ir.yic.ac.cn/handle/133337/27290
专题中科院海岸带环境过程与生态修复重点实验室
海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室
中科院海岸带环境过程与生态修复重点实验室_海岸带环境工程技术研究与发展中心
通讯作者Gao, Xuelu; Zhao, Jianmin作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, CAS Key Lab Coastal Zone Environm Proc & Ecol Rem, Yantai 264003, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Shandong, Peoples R China
推荐引用方式
GB/T 7714Yang, Bo,Gao, Xuelu,Zhao, Jianmin,et al. Potential linkage between sedimentary oxygen consumption and benthic flux of biogenic elements in a coastal scallop farming area, North Yellow Sea[J]. CHEMOSPHERE,2021,273:11.
APAYang, Bo.,Gao, Xuelu.,Zhao, Jianmin.,Liu, Yongliang.,Xie, Lei.,...&Xing, Qianguo.(2021).Potential linkage between sedimentary oxygen consumption and benthic flux of biogenic elements in a coastal scallop farming area, North Yellow Sea.CHEMOSPHERE,273,11.
MLAYang, Bo,et al."Potential linkage between sedimentary oxygen consumption and benthic flux of biogenic elements in a coastal scallop farming area, North Yellow Sea".CHEMOSPHERE 273(2021):11.
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