Modeling time-varying phytoplankton subsidy reveals at-risk species in a Chilean intertidal ecosystem

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dc.contributor.authorDuckwall, Casey
dc.contributor.authorLargier, John L.
dc.contributor.authorWieters, Evie A.
dc.contributor.authorValdovinos, Fernanda S.
dc.date.accessioned2025-01-20T17:06:34Z
dc.date.available2025-01-20T17:06:34Z
dc.date.issued2024
dc.description.abstractThe allometric trophic network (ATN) framework for modeling population dynamics has provided numerous insights into ecosystem functioning in recent years. Herein we extend ATN modeling of the intertidal ecosystem off central Chile to include empirical data on pelagic chlorophyll-a concentration. This intertidal community requires subsidy of primary productivity to support its rich ecosystem. Previous work models this subsidy using a constant rate of phytoplankton input to the system. However, data shows pelagic subsidies exhibit highly variable, pulse-like behavior. The primary contribution of our work is incorporating this variable input into ATN modeling to simulate how this ecosystem may respond to pulses of pelagic phytoplankton. Our model results show that: (1) closely related sea snails respond differently to phytoplankton variability, which is explained by the underlying network structure of the food web; (2) increasing the rate of pelagic-intertidal mixing increases fluctuations in species' biomasses that may increase the risk of local extirpation; (3) predators are the most sensitive species to phytoplankton biomass fluctuations, putting these species at greater risk of extirpation than others. Finally, our work provides a straightforward way to incorporate empirical, time-series data into the ATN framework that will expand this powerful methodology to new applications.
dc.fuente.origenWOS
dc.identifier.doi10.1038/s41598-024-57108-9
dc.identifier.issn2045-2322
dc.identifier.urihttps://doi.org/10.1038/s41598-024-57108-9
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/90806
dc.identifier.wosidWOS:001189928000014
dc.issue.numero1
dc.language.isoen
dc.revistaScientific reports
dc.rightsacceso restringido
dc.subject.ods15 Life on Land
dc.subject.ods08 Decent Work and Economic Growth
dc.subject.ods13 Climate Action
dc.subject.ods11 Sustainable Cities and Communities
dc.subject.ods07 Affordable and Clean Energy
dc.subject.ods12 Responsible Consumption and Production
dc.subject.ods09 Industry, Innovation and Infrastructure
dc.subject.ods14 Life Below Water
dc.subject.ods06 Clean Water and Sanitation
dc.subject.odspa15 Vida de ecosistemas terrestres
dc.subject.odspa08 Trabajo decente y crecimiento económico
dc.subject.odspa13 Acción por el clima
dc.subject.odspa11 Ciudades y comunidades sostenibles
dc.subject.odspa07 Energía asequible y no contaminante
dc.subject.odspa12 Producción y consumo responsable
dc.subject.odspa09 Industria, innovación e infraestructura
dc.subject.odspa14 Vida submarina
dc.subject.odspa06 Agua limpia y saneamiento
dc.titleModeling time-varying phytoplankton subsidy reveals at-risk species in a Chilean intertidal ecosystem
dc.typeartículo
dc.volumen14
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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