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Physical Flow Effects Can Dictate Plankton Population Dynamics

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Physical Flow Effects Can Dictate Plankton Population Dynamics. / Woodward, Jonathan Reid; Pitchford, Jonathan William; Bees, Martin Alan.

In: Journal of the Royal Society Interface, 18.06.2019.

Research output: Contribution to journalArticle

Harvard

Woodward, JR, Pitchford, JW & Bees, MA 2019, 'Physical Flow Effects Can Dictate Plankton Population Dynamics', Journal of the Royal Society Interface.

APA

Woodward, J. R., Pitchford, J. W., & Bees, M. A. (Accepted/In press). Physical Flow Effects Can Dictate Plankton Population Dynamics. Journal of the Royal Society Interface.

Vancouver

Woodward JR, Pitchford JW, Bees MA. Physical Flow Effects Can Dictate Plankton Population Dynamics. Journal of the Royal Society Interface. 2019 Jun 18.

Author

Woodward, Jonathan Reid ; Pitchford, Jonathan William ; Bees, Martin Alan. / Physical Flow Effects Can Dictate Plankton Population Dynamics. In: Journal of the Royal Society Interface. 2019.

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@article{c892207f72c7469a9e00560a0ae2ec0c,
title = "Physical Flow Effects Can Dictate Plankton Population Dynamics",
abstract = "Oceanic flows do not necessarily mix planktonic species. Differences in individual organisms’ physical and hydrodynamic properties can causechanges in drift normal to the mean flow, leading to segregation betweenspecies. This physically-driven heterogeneity may have important consequencesat the scale of population dynamics. Here, we describe how one formof physical forcing, circulating flows with different inertia effects betweenphytoplankton and zooplankton, can dramatically alter excitable planktonbloom dynamics. This may impact our understanding of the initiation anddevelopment of harmful algal blooms (HABs), which have significant negativeecological and socio-economic consequences. We study this system in detail,providing spatio-temporal dynamics for particular scenarios, and summarisinglarge-scale behaviour via spatially averaged bifurcation diagrams. The keymessage is that, across a large range of parameter values, fluid flow caninduce plankton blooms and mean-field population dynamics that are distinctfrom those predicted for well-mixed systems. The implications for oceanicpopulation dynamic studies are manifest: we argue that the formation of HABswill depend strongly on the physical and biological state of the ecosystem,and that local increases in zooplankton heterogeneity are likely to precedephytoplankton blooms",
author = "Woodward, {Jonathan Reid} and Pitchford, {Jonathan William} and Bees, {Martin Alan}",
note = "{\circledC}The Authors.",
year = "2019",
month = "6",
day = "18",
language = "English",
journal = "Interface",
issn = "1742-5689",
publisher = "Royal Society of London",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Physical Flow Effects Can Dictate Plankton Population Dynamics

AU - Woodward, Jonathan Reid

AU - Pitchford, Jonathan William

AU - Bees, Martin Alan

N1 - ©The Authors.

PY - 2019/6/18

Y1 - 2019/6/18

N2 - Oceanic flows do not necessarily mix planktonic species. Differences in individual organisms’ physical and hydrodynamic properties can causechanges in drift normal to the mean flow, leading to segregation betweenspecies. This physically-driven heterogeneity may have important consequencesat the scale of population dynamics. Here, we describe how one formof physical forcing, circulating flows with different inertia effects betweenphytoplankton and zooplankton, can dramatically alter excitable planktonbloom dynamics. This may impact our understanding of the initiation anddevelopment of harmful algal blooms (HABs), which have significant negativeecological and socio-economic consequences. We study this system in detail,providing spatio-temporal dynamics for particular scenarios, and summarisinglarge-scale behaviour via spatially averaged bifurcation diagrams. The keymessage is that, across a large range of parameter values, fluid flow caninduce plankton blooms and mean-field population dynamics that are distinctfrom those predicted for well-mixed systems. The implications for oceanicpopulation dynamic studies are manifest: we argue that the formation of HABswill depend strongly on the physical and biological state of the ecosystem,and that local increases in zooplankton heterogeneity are likely to precedephytoplankton blooms

AB - Oceanic flows do not necessarily mix planktonic species. Differences in individual organisms’ physical and hydrodynamic properties can causechanges in drift normal to the mean flow, leading to segregation betweenspecies. This physically-driven heterogeneity may have important consequencesat the scale of population dynamics. Here, we describe how one formof physical forcing, circulating flows with different inertia effects betweenphytoplankton and zooplankton, can dramatically alter excitable planktonbloom dynamics. This may impact our understanding of the initiation anddevelopment of harmful algal blooms (HABs), which have significant negativeecological and socio-economic consequences. We study this system in detail,providing spatio-temporal dynamics for particular scenarios, and summarisinglarge-scale behaviour via spatially averaged bifurcation diagrams. The keymessage is that, across a large range of parameter values, fluid flow caninduce plankton blooms and mean-field population dynamics that are distinctfrom those predicted for well-mixed systems. The implications for oceanicpopulation dynamic studies are manifest: we argue that the formation of HABswill depend strongly on the physical and biological state of the ecosystem,and that local increases in zooplankton heterogeneity are likely to precedephytoplankton blooms

M3 - Article

JO - Interface

T2 - Interface

JF - Interface

SN - 1742-5689

ER -