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dc.contributor.authorMovellan, Aurore-
dc.contributor.authorSchiebel, Ralf-
dc.contributor.authorZubkov, Mikhail V.-
dc.contributor.authorSmyth, Alexander-
dc.contributor.authorHowa, Hélène-
dc.identifier.citationMovellan, A., Schiebel, R., Zubkov, M. V., Smyth, A., & Howa, H. (2012). Protein biomass quantification of unbroken individual foraminifers using nano-spectrophotometry. Biogeosciences, 9(9), 3613-3623.en_GB
dc.description.abstractThe ecological role of foraminifers has been largely unknown partly owing to difficulties in determining their individual biomass, although foraminifers are abundant in surface marine sediments. The present study provides a reliable and inexpensive method for the quantification of the protein content of hard-shelled foraminifers as a measure of biomass while preserving the tests for later analyses (e.g. morphometry, stable isotopes), using nanospectrophotometry. The protein biomass, is significantly correlated with size, and shell weight of Ammonia tepida (n = 102, p < 0.00001, R2 = 0.462, and n = 181, p < 0.00001, R2 = 0.855). Variability in the relation between test size and weight, and cell biomass may result from natural variability in horizontal and vertical microenvironments encompassing metabolic state, as well as variability in test morphometry and calcite mass (i.e. test weight). In turn, knowing the sizeand species-specific biomass of foraminifers adds valuable information on the trophic and ecologic conditions of modern and ancient marine environments, in particular on the reconstruction of the regional palaeoproductivity and flux of organic matter.en_GB
dc.publisherEuropean Geosciences Unionen_GB
dc.subjectForaminifera -- Biomassen_GB
dc.subjectBenthic animalsen_GB
dc.titleProtein biomass quantification of unbroken individual foraminifers using nano-spectrophotometryen_GB
dc.rights.holderThe copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holder.en_GB
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