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Size-based ecological interactions drive food web responses to climate warming

Lindmark, Max and Ohlberger, Jan and Huss, Magnus and Gårdmark, Anna (2019). Size-based ecological interactions drive food web responses to climate warming. Ecology Letters. 22 , 778-786
[Journal article]

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Official URL: https://doi.org/10.1111/ele.13235

Abstract

Predicting climate change impacts on animal communities requires knowledge of how physiological effects are mediated by ecological interactions. Food-dependent growth and within-species size variation depend on temperature and affect community dynamics through feedbacks between individual performance and population size structure. Still, we know little about how warming affects these feedbacks. Using a dynamic stage-structured biomass model with food-, size- and temperature-dependent life history processes, we analyse how temperature affects coexistence, stability and size structure in a tri-trophic food chain, and find that warming effects on community stability depend on ecological interactions. Predator biomass densities generally decline with warming – gradually or through collapses – depending on which consumer life stage predators feed on. Collapses occur when warming induces alternative stable states via Allee effects. This suggests that predator persistence in warmer climates may be lower than previously acknowledged and that effects of warming on food web stability largely depend on species interactions.

Authors/Creators:Lindmark, Max and Ohlberger, Jan and Huss, Magnus and Gårdmark, Anna
Title:Size-based ecological interactions drive food web responses to climate warming
Year of publishing :2019
Volume:22
Page range:778-786
Number of Pages:9
Publisher:CNRS, John Wiley & Sons Ltd
ISSN:1461-023X
Language:English
Publication Type:Journal article
Refereed:Yes
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution-Noncommercial 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Ecology
Keywords:Allee effects, alternative stable states, climate change, community dynamics, size structure, temperature-scaling, trophic interactions
URN:NBN:urn:nbn:se:slu:epsilon-p-99375
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-99375
Additional ID:
Type of IDID
DOIUNSPECIFIED
ID Code:16076
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Department of Aquatic Resources
Deposited By: SLUpub Connector
Deposited On:23 Apr 2019 09:03
Metadata Last Modified:23 Apr 2019 09:03

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