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Individual body size as a predictor of lipid storage in Baltic Sea zooplankton
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry.
Number of Authors: 12019 (English)In: Journal of Plankton Research, ISSN 0142-7873, E-ISSN 1464-3774, Vol. 41, no 3, p. 273-280Article in journal (Refereed) Published
Abstract [en]

The size structure of a zooplankton community is frequently used as a trait reflecting functional properties, including biochemical composition. Therefore, a shift in zooplankton body size can reflect shifts in the nutritional quality of zooplankton. In dominant Baltic copepods and cladocerans, neutral to polar lipid ratio (NL/PL ratio), a proxy for the mass-normalized lipid storage, was determined and related to individual body weight. A significant relationship between the NL/PL ratio and body weight was found; the latter was the strongest and the most significant predictor of the lipid storage capacity across different species and developmental stages. These findings provide support for using mean body weight in zooplankton community as a proxy for lipid storage capacity of zooplankton prey and justify applicability of zooplankton mean size as an indicator of nutritional conditions for Baltic zooplanktivores.

Place, publisher, year, edition, pages
2019. Vol. 41, no 3, p. 273-280
Keywords [en]
neutral to polar lipid ratio, body size, Baltic zooplankton, individual protein content
National Category
Biological Sciences Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:su:diva-176623DOI: 10.1093/plankt/fbz010ISI: 000493395200006PubMedID: 31686719OAI: oai:DiVA.org:su-176623DiVA, id: diva2:1381925
Available from: 2019-12-30 Created: 2019-12-30 Last updated: 2019-12-30Bibliographically approved

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