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Respiration in marine pelagic copepods: a global-bathymetric model

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Title: Respiration in marine pelagic copepods: a global-bathymetric model
Authors: Ikeda, Tsutomu Browse this author →KAKEN DB
Sano, Fumikazu Browse this author
Yamaguchi, Atsushi Browse this author →KAKEN DB
Keywords: Respiration
Issue Date: 6-Jun-2007
Publisher: Inter-Research
Journal Title: Marine Ecology Progress Series
Volume: 339
Start Page: 215
End Page: 219
Publisher DOI: 10.3354/meps339215
Abstract: Historical global respiration datasets of epipelagic copepods and recent bathymetric respiration datasets of mesopelagic, upper- and lower bathypelagic and abyssopelagic copepods were combined to build a global-bathymetric respiration model by adopting two regression models (theoretical and empirical ones). Designated independent variables including body mass (expressed as dry mass, carbon or nitrogen), habitat temperature, ambient oxygen saturation and the depth of occurrence were all significant, accounting 72-80% in the variation in these respiration data. Both theoretical and empirical regression models yielded similar results, but the latter was sensitive to the choice of body mass. The mechanisms for the negative effect of the depth of occurrence and the positive effect of ambient oxygen saturation on the respiration rates are discussed.
Type: article (author version)
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 池田 勉

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