Metabolic traits predict the effects of warming on phytoplankton competition

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Title: Metabolic traits predict the effects of warming on phytoplankton competition
Authors: Bestion, E
Garcia-Carreras, B
Schaum, C-E
Pawar, S
Yvon-Durocher, G
Item Type: Journal Article
Abstract: Understanding how changes in temperature affect interspecific competition is critical for predicting changes in ecological communities with global warming. Here, we develop a theoretical model that links interspecific differences in the temperature dependence of resource acquisition and growth to the outcome of pairwise competition in phytoplankton. We parameterised our model with these metabolic traits derived from six species of freshwater phytoplankton and tested its ability to predict the outcome of competition in all pairwise combinations of the species in a factorial experiment, manipulating temperature and nutrient availability. The model correctly predicted the outcome of competition in 72% of the pairwise experiments, with competitive advantage determined by difference in thermal sensitivity of growth rates of the two species. These results demonstrate that metabolic traits play a key role in determining how changes in temperature influence interspecific competition and lay the foundation for mechanistically predicting the effects of warming in complex, multi‐species communities.
Issue Date: 1-May-2018
Date of Acceptance: 27-Jan-2018
URI: http://hdl.handle.net/10044/1/63577
DOI: https://dx.doi.org/10.1111/ele.12932
ISSN: 1461-023X
Publisher: Wiley
Start Page: 655
End Page: 664
Journal / Book Title: Ecology Letters
Volume: 21
Issue: 5
Copyright Statement: © 2018 The Authors. Ecology Letters published by CNRS and John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Keywords: Science & Technology
Life Sciences & Biomedicine
Ecology
Environmental Sciences & Ecology
Climate change
freshwater phytoplankton
global change
interspecific competition
metabolic theory of ecology
nutrients
phosphate
physiological mismatches
temperature
trait-based ecology
TEMPERATURE-DEPENDENCE
CLIMATE-CHANGE
ALGAL GROWTH
SPECIES VULNERABILITY
EVOLUTIONARY HISTORY
TROPHIC INTERACTIONS
SEASONAL DYNAMICS
COMMUNITY ECOLOGY
BODY-SIZE
MODEL
Climate change
freshwater phytoplankton
global change
interspecific competition
metabolic theory of ecology
nutrients
phosphate
physiological mismatches
temperature
trait-based ecology
Science & Technology
Life Sciences & Biomedicine
Ecology
Environmental Sciences & Ecology
Climate change
freshwater phytoplankton
global change
interspecific competition
metabolic theory of ecology
nutrients
phosphate
physiological mismatches
temperature
trait-based ecology
TEMPERATURE-DEPENDENCE
CLIMATE-CHANGE
ALGAL GROWTH
SPECIES VULNERABILITY
EVOLUTIONARY HISTORY
TROPHIC INTERACTIONS
SEASONAL DYNAMICS
COMMUNITY ECOLOGY
BODY-SIZE
MODEL
0501 Ecological Applications
0602 Ecology
Ecology
Publication Status: Published
Online Publication Date: 2018-03-25
Appears in Collections:Faculty of Natural Sciences



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