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Exploring the Implications of the Stoichiometric Modulation of Planktonic Predation

Aditee Mitra Orcid Logo, Kevin Flynn Orcid Logo

Aquatic Microbial Ecology and Biogeochemistry: A Dual Perspective, Pages: 77 - 89

Swansea University Authors: Aditee Mitra Orcid Logo, Kevin Flynn Orcid Logo

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DOI (Published version): 10.1007/978-3-319-30259-1_7

Abstract

Ecology involves the transfer of elements between organisms and the environment. Inevitably, and as exemplified in ‘stoichiometric ecology’, imbalances in the transfer pathways have potential to disturb trophic dynamics. It is also clear, though, that those disturbances are not simply (linearly, so...

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Published in: Aquatic Microbial Ecology and Biogeochemistry: A Dual Perspective
ISBN: 9783319302577 9783319302591
Published: Cham Springer International Publishing 2016
Online Access: http://dx.doi.org/10.1007/978-3-319-30259-1_7
URI: https://cronfa.swan.ac.uk/Record/cronfa33030
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spelling v2 33030 2017-04-25 Exploring the Implications of the Stoichiometric Modulation of Planktonic Predation d5378d6d4b9d65e9fb35520ebd9a5402 0000-0001-5572-9331 Aditee Mitra Aditee Mitra true false e7635ae17465ec65238f219ab4750b5e 0000-0001-6913-5884 Kevin Flynn Kevin Flynn true false 2017-04-25 SBI Ecology involves the transfer of elements between organisms and the environment. Inevitably, and as exemplified in ‘stoichiometric ecology’, imbalances in the transfer pathways have potential to disturb trophic dynamics. It is also clear, though, that those disturbances are not simply (linearly, so to speak) related to imbalances in elemental stoichiometry (e.g., C:N:P). Rather trophic interactions, such as predation, appear extremely sensitive to minor changes in biochemical stoichiometry. This sensitive link between biochemical stoichiometry, subtle changes in composition affecting food quality between prey and predator, is termed stoichiometric modulation of predation (SMP). Here, we discuss the impact of SMP across various facets of plankton trophic dynamics. These include comparisons between SMP being involved in promotion of harmful algal blooms versus the same interactions being exploited to contain damage to commercial crops of microalgae from zooplanktonic pests. Also, considered are the implications of climate change events—warming, ocean acidification and eutrophication—upon SMP, for the formation or dissipation of ecosystem disruptive blooms. Then there is the issue of how and when primary producers exploit what we see as SMP as a means to limit predation on their own kind, thus shifting grazing pressure onto competitor primary producers. Finally, we consider mixotrophy and SMP; how within a single celled organism the heterotrophic base may be operated in a non-stressed state while control of the phototrophic component may have evolved to allow sufficient stress to promote the synthesis of noxious secondary metabolites that deter grazers. Understanding and modelling the implications of biochemical stoichiometric ecology appears to offer a rich vein for future plankton research. Book chapter Aquatic Microbial Ecology and Biogeochemistry: A Dual Perspective 77 89 Springer International Publishing Cham 9783319302577 9783319302591 22 7 2016 2016-07-22 10.1007/978-3-319-30259-1_7 http://dx.doi.org/10.1007/978-3-319-30259-1_7 COLLEGE NANME Biosciences COLLEGE CODE SBI Swansea University 2023-05-19T15:02:41.9459971 2017-04-25T10:42:32.3121946 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Biosciences Aditee Mitra 0000-0001-5572-9331 1 Kevin Flynn 0000-0001-6913-5884 2
title Exploring the Implications of the Stoichiometric Modulation of Planktonic Predation
spellingShingle Exploring the Implications of the Stoichiometric Modulation of Planktonic Predation
Aditee Mitra
Kevin Flynn
title_short Exploring the Implications of the Stoichiometric Modulation of Planktonic Predation
title_full Exploring the Implications of the Stoichiometric Modulation of Planktonic Predation
title_fullStr Exploring the Implications of the Stoichiometric Modulation of Planktonic Predation
title_full_unstemmed Exploring the Implications of the Stoichiometric Modulation of Planktonic Predation
title_sort Exploring the Implications of the Stoichiometric Modulation of Planktonic Predation
author_id_str_mv d5378d6d4b9d65e9fb35520ebd9a5402
e7635ae17465ec65238f219ab4750b5e
author_id_fullname_str_mv d5378d6d4b9d65e9fb35520ebd9a5402_***_Aditee Mitra
e7635ae17465ec65238f219ab4750b5e_***_Kevin Flynn
author Aditee Mitra
Kevin Flynn
author2 Aditee Mitra
Kevin Flynn
format Book chapter
container_title Aquatic Microbial Ecology and Biogeochemistry: A Dual Perspective
container_start_page 77
publishDate 2016
institution Swansea University
isbn 9783319302577
9783319302591
doi_str_mv 10.1007/978-3-319-30259-1_7
publisher Springer International Publishing
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Biosciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Biosciences
url http://dx.doi.org/10.1007/978-3-319-30259-1_7
document_store_str 0
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description Ecology involves the transfer of elements between organisms and the environment. Inevitably, and as exemplified in ‘stoichiometric ecology’, imbalances in the transfer pathways have potential to disturb trophic dynamics. It is also clear, though, that those disturbances are not simply (linearly, so to speak) related to imbalances in elemental stoichiometry (e.g., C:N:P). Rather trophic interactions, such as predation, appear extremely sensitive to minor changes in biochemical stoichiometry. This sensitive link between biochemical stoichiometry, subtle changes in composition affecting food quality between prey and predator, is termed stoichiometric modulation of predation (SMP). Here, we discuss the impact of SMP across various facets of plankton trophic dynamics. These include comparisons between SMP being involved in promotion of harmful algal blooms versus the same interactions being exploited to contain damage to commercial crops of microalgae from zooplanktonic pests. Also, considered are the implications of climate change events—warming, ocean acidification and eutrophication—upon SMP, for the formation or dissipation of ecosystem disruptive blooms. Then there is the issue of how and when primary producers exploit what we see as SMP as a means to limit predation on their own kind, thus shifting grazing pressure onto competitor primary producers. Finally, we consider mixotrophy and SMP; how within a single celled organism the heterotrophic base may be operated in a non-stressed state while control of the phototrophic component may have evolved to allow sufficient stress to promote the synthesis of noxious secondary metabolites that deter grazers. Understanding and modelling the implications of biochemical stoichiometric ecology appears to offer a rich vein for future plankton research.
published_date 2016-07-22T15:02:40Z
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