Fitness and phenology: annual routines and zooplankton adaptations to seasonal cycles

Behaviour and life-history strategies of zooplankton have evolved in response to seasonal cycles in food availability, predation risk and abiotic conditions. A key challenge is to understand how different activities over the year are linked. For instance, how does a change in spring activities, such...

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Published in:Journal of Plankton Research
Main Author: Varpe, Øystein
Format: Text
Language:English
Published: Oxford University Press 2012
Subjects:
Online Access:http://plankt.oxfordjournals.org/cgi/content/short/34/4/267
https://doi.org/10.1093/plankt/fbr108
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spelling fthighwire:oai:open-archive.highwire.org:plankt:34/4/267 2023-05-15T16:36:34+02:00 Fitness and phenology: annual routines and zooplankton adaptations to seasonal cycles Varpe, Øystein 2012-04-01 00:00:00.0 text/html http://plankt.oxfordjournals.org/cgi/content/short/34/4/267 https://doi.org/10.1093/plankt/fbr108 en eng Oxford University Press http://plankt.oxfordjournals.org/cgi/content/short/34/4/267 http://dx.doi.org/10.1093/plankt/fbr108 Copyright (C) 2012, Oxford University Press HORIZONS TEXT 2012 fthighwire https://doi.org/10.1093/plankt/fbr108 2013-05-27T02:45:08Z Behaviour and life-history strategies of zooplankton have evolved in response to seasonal cycles in food availability, predation risk and abiotic conditions. A key challenge is to understand how different activities over the year are linked. For instance, how does a change in spring activities, such as the timing or amount of egg production, influence autumn activities, for instance energy storage or migration? Trade-offs viewed in relation to individual lifetime fitness consequences couple these events. The framework of optimal annual routines provides theory and methodology for consistent analyses of these temporal trade-offs. Here I describe the key parts of optimal annual routine models and how the models can be used to: (i) study phenology, life-history strategies, and population dynamics; (ii) predict responses to environmental change; and (iii) guide future zooplankton studies. I mainly discuss the adaptations of zooplankton species inhabiting high latitude oceans where the seasonal cycle and its effects are particularly strong. Empirical challenges include issues of seasonal resolution, state-dependent processes and individual variability. Two ecological problems with avenues for future work are discussed in particular detail: the role of sea ice and ice algae in the life cycle of copepods and krill, and the adaptive value and ecological consequences of semelparous versus iteroparous reproductive strategies. Text ice algae Sea ice Copepods HighWire Press (Stanford University) Journal of Plankton Research 34 4 267 276
institution Open Polar
collection HighWire Press (Stanford University)
op_collection_id fthighwire
language English
topic HORIZONS
spellingShingle HORIZONS
Varpe, Øystein
Fitness and phenology: annual routines and zooplankton adaptations to seasonal cycles
topic_facet HORIZONS
description Behaviour and life-history strategies of zooplankton have evolved in response to seasonal cycles in food availability, predation risk and abiotic conditions. A key challenge is to understand how different activities over the year are linked. For instance, how does a change in spring activities, such as the timing or amount of egg production, influence autumn activities, for instance energy storage or migration? Trade-offs viewed in relation to individual lifetime fitness consequences couple these events. The framework of optimal annual routines provides theory and methodology for consistent analyses of these temporal trade-offs. Here I describe the key parts of optimal annual routine models and how the models can be used to: (i) study phenology, life-history strategies, and population dynamics; (ii) predict responses to environmental change; and (iii) guide future zooplankton studies. I mainly discuss the adaptations of zooplankton species inhabiting high latitude oceans where the seasonal cycle and its effects are particularly strong. Empirical challenges include issues of seasonal resolution, state-dependent processes and individual variability. Two ecological problems with avenues for future work are discussed in particular detail: the role of sea ice and ice algae in the life cycle of copepods and krill, and the adaptive value and ecological consequences of semelparous versus iteroparous reproductive strategies.
format Text
author Varpe, Øystein
author_facet Varpe, Øystein
author_sort Varpe, Øystein
title Fitness and phenology: annual routines and zooplankton adaptations to seasonal cycles
title_short Fitness and phenology: annual routines and zooplankton adaptations to seasonal cycles
title_full Fitness and phenology: annual routines and zooplankton adaptations to seasonal cycles
title_fullStr Fitness and phenology: annual routines and zooplankton adaptations to seasonal cycles
title_full_unstemmed Fitness and phenology: annual routines and zooplankton adaptations to seasonal cycles
title_sort fitness and phenology: annual routines and zooplankton adaptations to seasonal cycles
publisher Oxford University Press
publishDate 2012
url http://plankt.oxfordjournals.org/cgi/content/short/34/4/267
https://doi.org/10.1093/plankt/fbr108
genre ice algae
Sea ice
Copepods
genre_facet ice algae
Sea ice
Copepods
op_relation http://plankt.oxfordjournals.org/cgi/content/short/34/4/267
http://dx.doi.org/10.1093/plankt/fbr108
op_rights Copyright (C) 2012, Oxford University Press
op_doi https://doi.org/10.1093/plankt/fbr108
container_title Journal of Plankton Research
container_volume 34
container_issue 4
container_start_page 267
op_container_end_page 276
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