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Behavioural responses of Antarctic krill (Euphausia superba) to CO2-induced ocean acidification: would krill really notice
Yang, Guang1; King, Robert A.3; Kawaguchi, So3,4
2018-04-01
Source PublicationPOLAR BIOLOGY
ISSN0722-4060
Volume41Issue:4Pages:727-732
SubtypeArticle
AbstractThe Southern Ocean is expected to be significantly affected by future ocean acidification. Antarctic krill (Euphausia superba) is the key species of the Southern Ocean ecosystem. Understanding their behavioural responses to acidification is critical for assessing the impacts of ocean acidification on the ecosystem. Adult Antarctic krill reared in different holding tanks with various CO2 levels for 6 months prior to the experiments were tested for their behavioural responses to different carbon dioxide partial pressures (pCO(2)) (400, 1000, 1500, 2000, and 4000 mu atm pCO(2)) in a two-channel flume. The time krill occupied either of the flume channels (with high or ambient CO2 levels) was highly variable in all tests. In most cases no significant preference to either side of the flume was found. The krill did not display any systematic discrimination to the sea water with different CO2 levels regardless of the CO2 levels that krill were acclimated for in the 6 months prior to the experiment. Poor ability to discriminate high CO2 waters may have an important implication to their life history in the future as ocean acidification rapidly progresses in parts of Southern Ocean.
KeywordAntarctic krill Ocean acidification Behavioural response Southern Ocean
Subject AreaBiodiversity & Conservation ; Environmental Sciences & Ecology
DOI10.1007/s00300-017-2233-x
Indexed BySCIE
Language英语
WOS Research AreaBiodiversity Conservation ; Ecology
WOS SubjectBiodiversity Conservation ; Ecology
WOS IDWOS:000428603800011
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/157582
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, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
3.Australian Antarctic Div, Kingston, Tas 7050, Australia
4.Antarctic Climate & Ecosyst Cooperat Res Ctr, Hobart, Tas 7001, Australia
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yang, Guang,King, Robert A.,Kawaguchi, So. Behavioural responses of Antarctic krill (Euphausia superba) to CO2-induced ocean acidification: would krill really notice[J]. POLAR BIOLOGY,2018,41(4):727-732.
APA Yang, Guang,King, Robert A.,&Kawaguchi, So.(2018).Behavioural responses of Antarctic krill (Euphausia superba) to CO2-induced ocean acidification: would krill really notice.POLAR BIOLOGY,41(4),727-732.
MLA Yang, Guang,et al."Behavioural responses of Antarctic krill (Euphausia superba) to CO2-induced ocean acidification: would krill really notice".POLAR BIOLOGY 41.4(2018):727-732.
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