Diel and vertical variability of seston food quality and quantity in a small subalpine oligomesotrophic lake

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dc.contributor.authorSangkyu Park-
dc.contributor.authorS Chandra-
dc.contributor.authorD C Muller-Navarra-
dc.contributor.authorC R Goldman-
dc.date.accessioned2017-04-19T09:01:59Z-
dc.date.available2017-04-19T09:01:59Z-
dc.date.issued2004-
dc.identifier.issn0142-7873-
dc.identifier.uri10.1093/plankt/fbh136ko
dc.identifier.urihttps://oak.kribb.re.kr/handle/201005/6749-
dc.description.abstractVertical profiles of seston food quality and quantity were measured in subalpine Castle Lake for particulate carbon, chlorophyll a, fatty acids and phosphorus in addition to abiotic parameters including water temperature and dissolved oxygen levels. Field and laboratory incubation experiments were employed to manipulate Daphnia rosea growth environments. Sestonic eicosapentaenoic acid (EPA) content was much lower, whereas carbon to phosphorus (C:P) ratios were much higher in the epilimnion compared to the deep-water chlorophyll maximum (16-20 m). In a temperature-controlled incubation, Daphnia grew faster when fed seston from the deep-water chlorophyll maximum. In in situ cage incubations, D. rosea grew fastest in the epilimnion. Daphnia rosea in a migrating treatment exhibited intermediate growth rates between the ones for epilimnion and hypolimnion. A projection of D. rosea growth rates by growth models without regard to water temperature showed much higher growth potentials in the hypolimnion. However, with inclusion of water temperature, epilimnetic water always gave higher potential growth rates. In this lake, warmer temperatures of epilimnetic water override the higher food quality and quantity provided by the deep-water chlorophyll maximum.-
dc.publisherOxford Univ Press-
dc.titleDiel and vertical variability of seston food quality and quantity in a small subalpine oligomesotrophic lake-
dc.title.alternativeDiel and vertical variability of seston food quality and quantity in a small subalpine oligomesotrophic lake-
dc.typeArticle-
dc.citation.titleJournal of Plankton Research-
dc.citation.number12-
dc.citation.endPage1498-
dc.citation.startPage1489-
dc.citation.volume26-
dc.contributor.affiliatedAuthorSangkyu Park-
dc.contributor.alternativeName박상규-
dc.contributor.alternativeNameChandra-
dc.contributor.alternativeNameMuller-Navarra-
dc.contributor.alternativeNameGoldman-
dc.identifier.bibliographicCitationJournal of Plankton Research, vol. 26, no. 12, pp. 1489-1498-
dc.identifier.doi10.1093/plankt/fbh136-
dc.description.journalClassY-
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