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Metabolic traits predict the effects of warming on phytoplankton competition

From Complex Time
Category
General Reference
author-supplied keywords
Climate change
freshwater phytoplankton
global change
interspecific competition
metabolic theory of ecology
nutrients
phosphate
physiological mismatches
temperature
trait-based ecology
keywords
authors
Elvire Bestion
Bernardo García-Carreras
Charlotte Elisa Schaum
Samraat Pawar
Gabriel Yvon-Durocher
title
Metabolic traits predict the effects of warming on phytoplankton competition
type
generic
year
2018
source
Ecology Letters
pages
655-664
volume
21
issue
5
publisher
Blackwell Publishing Ltd
link
https://www.mendeley.com/catalogue/d0f89629-3759-3978-8833-d5dd86641780/(0)

Abstract

Understanding how changes in temperature affect interspecific competition is critical for predicting changes in ecological communities as the climate warms. Here we develop a simple theoretical model that links interspecific differences in metabolic traits, which capture the temperature-dependence of resource acquisition, to the outcome of pairwise competition in phytoplankton. We parameterised our model with 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 71% of the pairwise experiments. These results demonstrate that metabolic traits play a key role in determining how changes in temperature influence interspecific competition and lay the foundation for developing theory to predict the effects of warming in complex, multi-species communities.

Counts

Citation count From Scopus. Refreshed every 5 days.
21
Page views
1

Identifiers

  • doi: 10.1111/ele.12932 (Google search)
  • issn: 14610248
  • sgr: 85044371171
  • pmid: 29575658
  • scopus: 2-s2.0-85044371171
  • pui: 621408612

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