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Nutrient-limitation induced diatom-dinoflagellate shift of spring phytoplankton community in an offshore shellfish farming area
Liang, Yi1,2; Zhang, Guangtao1,2,3; Wan, Aiyong1; Zhao, Zengxia1; Wang, Shiwei1; Liu, Qun1
2019-04-01
Source PublicationMARINE POLLUTION BULLETIN
ISSN0025-326X
Volume141Pages:1-8
Corresponding AuthorZhang, Guangtao(gtzhang@qdio.ac.cn)
AbstractAs mariculture expands offshore in response to the increasing demand for seafood, a new set of ecological concerns arises. We report on presented phosphate and silicate deficiencies in spring in the Zhangzi Island area, northern Yellow Sea, used for farming scallops. Silicon limitation was observed at up to 77.3% of stations, with an average silicate concentration as low as 1.7 mu M in March 2014. Average phosphate concentration decreased from 0.12 to 0.05 mu M from March to May. Stoichiometric ratios and absolute concentrations indicate that 78%-90% of stations showed phosphate limitation. Correspondingly, the phytoplankton community shifted from predominately diatoms to dinofiagellates. The higher frequency of nutrient limitation in farmed areas, compared with unseeded areas and northern Yellow Sea in general, imply intensified bottom-up controls on scallop production. The "bottle-neck" effect of limited food availability in spring suggests that carrying capacity was originally overestimated, when calculated from annual primary production.
KeywordNutrient limitation Phytoplankton community structure Shellfish Zhangzi Island
DOI10.1016/j.marpolbul.2019.02.009
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA230504] ; Science and Technology Service Network Initiative of the Chinese Academy of Sciences[Y82346101L]
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEnvironmental Sciences ; Marine & Freshwater Biology
WOS IDWOS:000465509700001
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/161365
Collection胶州湾海洋生态系统国家野外研究站
Corresponding AuthorZhang, Guangtao
Affiliation1.Chinese Acad Sci, Inst Oceanol, Jiaozhou Bay Marine Ecosyst Res Stn, 7 Nanhai Rd, Qingdao 266071, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Shandong, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liang, Yi,Zhang, Guangtao,Wan, Aiyong,et al. Nutrient-limitation induced diatom-dinoflagellate shift of spring phytoplankton community in an offshore shellfish farming area[J]. MARINE POLLUTION BULLETIN,2019,141:1-8.
APA Liang, Yi,Zhang, Guangtao,Wan, Aiyong,Zhao, Zengxia,Wang, Shiwei,&Liu, Qun.(2019).Nutrient-limitation induced diatom-dinoflagellate shift of spring phytoplankton community in an offshore shellfish farming area.MARINE POLLUTION BULLETIN,141,1-8.
MLA Liang, Yi,et al."Nutrient-limitation induced diatom-dinoflagellate shift of spring phytoplankton community in an offshore shellfish farming area".MARINE POLLUTION BULLETIN 141(2019):1-8.
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