Turnover of trophic markers and lipid carbon in Arctic marine food webs : the contribution of key zooplankton species

In the context of climate warming, severe shifts in the phyto- and zooplankton communities, and thus changes in trophic interactions, are expected. It is therefore essential to better understand the lipid and fatty acid turnover in the in the lipid-driven Arctic food web. This study aims at evaluati...

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Bibliographic Details
Main Author: Boissonnot, Lauris
Other Authors: Hagen, Wilhelm, Niehoff, Barbara
Format: Doctoral or Postdoctoral Thesis
Language:English
Published: Universität Bremen 2017
Subjects:
Zooplankton
13C labeling
lipid turnover
fatty acid assimilation
570
570 Life sciences
biology
ddc:570
Arctic
Arktis*
Calanus glacialis
Clione limacina
Limacina helicina
Pseudocalanus minutus
Copepods
Online Access:https://media.suub.uni-bremen.de/handle/elib/1237
https://nbn-resolving.org/urn:nbn:de:gbv:46-00105955-18
Description
Summary:In the context of climate warming, severe shifts in the phyto- and zooplankton communities, and thus changes in trophic interactions, are expected. It is therefore essential to better understand the lipid and fatty acid turnover in the in the lipid-driven Arctic food web. This study aims at evaluating the role of zooplankton in the transfer of lipids from primary producers to higher trophic levels. It combines field observations and experimental work to fill the gaps of knowledge in the ecology and lipid biochemistry of Arctic zooplankton key species, i.e. the copepods Calanus glacialis, Pseudocalanus minutus and Oithona similis, the thecosome pteropods Limacina helicina and L. retroversa and the gymnosome pteropod Clione limacina.

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