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http://hdl.handle.net/10261/129672
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dc.contributor.author | Isari, Stamatina | - |
dc.contributor.author | Zervoudaki, Soultana | - |
dc.contributor.author | Peters, J. | - |
dc.contributor.author | Papantoniou, Georgia | - |
dc.contributor.author | Pelejero, Carles | - |
dc.contributor.author | Saiz, Enric | - |
dc.date.issued | 2016-02 | - |
dc.identifier | doi: 10.1093/icesjms/fsv078 | - |
dc.identifier | issn: 1054-3139 | - |
dc.identifier | e-issn: 1095-9289 | - |
dc.identifier.citation | ICES Journal of Marine Science 73(3): 650-658 (2016) | - |
dc.identifier.uri | 10261/129672 | - |
dc.description | Special issue: Towards a Broader Perspective on Ocean Acidification Research.-- 9 pages, 4 figures, 3 tables | - |
dc.description.abstract | Rising levels of atmospheric CO2 are responsible for a change in the carbonate chemistry of seawater with associated pH drops (acidification) projected to reach 0.4 units from 1950 to 2100. We investigated possible indirect effects of seawater acidification on the feeding, fecundity, and hatching success of the calanoid copepod Acartia grani, mediated by potential CO2-induced changes in the nutritional characteristics of their prey. We used as prey the autotrophic dinoflagellate Heterocapsa sp., cultured at three distinct pH levels (control: 8.17, medium: 7.96, and low: 7.75) by bubbling pure CO2 via a computer automated system. Acartia grani adults collected from a laboratory culture were acclimatized for 3 d at food suspensions of Heterocapsa from each pH treatment (ca. 500 cells ml−1; 300 μg C l−1). Feeding and egg production rates of the preconditioned females did not differ significantly among the three Heterocapsa diets. Egg hatching success, monitored once per day for the 72 h, did not reveal significant difference among treatments. These results are in agreement with the lack of difference in the cellular stoichiometry (C : N, C : P, and N : P ratios) and fatty acid concentration and composition encountered between the three tested Heterocapsa treatments. Our findings disagree with those of other studies using distinct types of prey, suggesting that this kind of indirect influence of acidification on copepods may be largely associated with interspecific differences among prey items with regard to their sensitivity to elevated CO2 levels | - |
dc.description.sponsorship | The participation of ES andCPwas helped from funding by the Spanish Ministry of Economy and Competitivity through projects CTM2011-23480 and CTM2012-32017, respectively. This work was supported by the project CROA(LS8-1893), implemented within the framework of the Action “Supporting Postdoctoral Researchers” of the Operational Program “Education and Lifelong Learning” (Action’s Beneficiary: General Secretariat for Research and Technology), and is co-financed by the European Social Fund (ESF) and the Greek State | - |
dc.publisher | International Council for the Exploration of the Sea | - |
dc.rights | closedAccess | - |
dc.subject | Acartia grani | - |
dc.subject | Bottom-up | - |
dc.subject | Copepods | - |
dc.subject | Dinoflagellates | - |
dc.subject | Food quality | - |
dc.subject | Heterocapsa | - |
dc.subject | Ocean acidification | - |
dc.subject | pH | - |
dc.title | Lack of evidence for elevated CO2-induced bottom-up effects on marine copepods: a dinoflagellate-calanoid prey-predator pair | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1093/icesjms/fsv078 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1093/icesjms/fsv078 | - |
dc.date.updated | 2016-03-03T08:01:43Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.contributor.funder | European Commission | - |
dc.contributor.funder | Greek Government | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.fulltext | No Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | none | - |
item.openairetype | artículo | - |
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