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Effects of increasing nutrient disturbances on phytoplankton community structure and biodiversity in two tropical seas
Zhou, Yuping1,2; Hu, Bo2; Zhao, Weihong3; Cui, Dongyang2; Tan, Liju2; Wang, Jiangtao1,2
2018-10-01
Source PublicationMARINE POLLUTION BULLETIN
ISSN0025-326X
Volume135Pages:239-248
Corresponding AuthorZhao, Weihong(whzhao@qdio.ac.cn) ; Wang, Jiangtao(jtwang@ouc.edu.cn)
AbstractStatistical 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).
KeywordAtmospheric deposition Phytoplankton community Biological diversity South China Sea Eastern Indian Ocean
DOI10.1016/j.marpolbul.2018.07.033
Indexed BySCI
Language英语
Funding ProjectNational Programme on Global Change and Air-Sea Interaction[GASI-03-01-02-01]
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEnvironmental Sciences ; Marine & Freshwater Biology
WOS IDWOS:000448094200029
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/156598
Collection海洋生态与环境科学重点实验室
Corresponding AuthorZhao, Weihong; Wang, Jiangtao
Affiliation1.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
Corresponding Author AffilicationKey Laboratory of Marine Ecology & Environmental Sciences, CAS
Recommended Citation
GB/T 7714
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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