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Effects of increasing nutrient disturbances on phytoplankton community structure and biodiversity in two tropical seas
Zhou, Yuping1; Hu, Bo1; Zhao, Weihong2; Cui, Dongyang1; Tan, Liju1; Wang, Jiangtao1
2018-10-01
发表期刊MARINE POLLUTION BULLETIN
ISSN0025-326X
卷号135页码:239-248
文章类型Article
摘要Statistical analysis of rainfall data from 2005 to 2015 showed that atmospheric deposition supplied large amount of dissolved inorganic nitrogen (38-155 mg.m(-2).month(-1)) in N-deficient South China Sea and Eastern Indian Ocean. To understand marine ecosystem responses to increasing nutrient disturbances, we implemented field mesocosm experiments to study phytoplankton community structure and biodiversity responses to nutrient treatments with nitrate, phosphate and iron across tropical seas. Our results showed that DIN supply would change phytoplankton community structure and stimulated the regime shift from cyanobacteria to diatoms (relative dominance R > 0). Phytoplankton communities were dominated by diatoms (relative abundance > 50%) accompanied by high chlorophyll a content with 1.58-39.27 mu g.L-1 in DIN-added cultures, whereas cyanobacteria dominated communities (relative abundance > 60%) with low biomass of 0.12-0.18 mu g.L-1 in undisturbed cultures. Simultaneously increased DIN loading from atmospheric deposition would decrease ecological diversity of tropical seas owing to species competition and succession (Shannon diversity H' decreased to < 1).
关键词Atmospheric deposition Phytoplankton community Biological diversity South China Sea Eastern Indian Ocean
学科领域Environmental Sciences & Ecology ; Marine & Freshwater Biology
DOI10.1016/j.marpolbul.2018.07.033
收录类别SCIE
语种英语
WOS研究方向Environmental Sciences ; Marine & Freshwater Biology
WOS记录号WOS:000448094200029
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/157529
专题海洋生态与环境科学重点实验室
作者单位1.Ocean Univ China, Minist Educ, Lab Marine Chem Theory & Technol, Qingdao 266100, Peoples R China
2.Ocean Univ China, Coll Chem & Chem Engn, Qingdao 266100, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
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Zhou, Yuping,Hu, Bo,Zhao, Weihong,et al. Effects of increasing nutrient disturbances on phytoplankton community structure and biodiversity in two tropical seas[J]. MARINE POLLUTION BULLETIN,2018,135:239-248.
APA Zhou, Yuping,Hu, Bo,Zhao, Weihong,Cui, Dongyang,Tan, Liju,&Wang, Jiangtao.(2018).Effects of increasing nutrient disturbances on phytoplankton community structure and biodiversity in two tropical seas.MARINE POLLUTION BULLETIN,135,239-248.
MLA Zhou, Yuping,et al."Effects of increasing nutrient disturbances on phytoplankton community structure and biodiversity in two tropical seas".MARINE POLLUTION BULLETIN 135(2018):239-248.
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