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Data and code from: Competition enables rapid adaptation to a warming range edge in a model plant community Angert, Amy; Usui, Takuji

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Abstract

Most predictions of whether populations will adapt to warming range edges ignore species interactions. We tested experimentally if range-edge populations can adapt to warming within a competitive, model plant community (Lemna spp. and Spirodela polyrhiza duckweeds). Notably, we found that adaptation to warming range edges was possible only when populations evolved with interspecific competitors. Moreover, competitors enabled the evolution of both high-temperature tolerance and increased thermal performance breadth at the range edge, but not at the cooler range core. Our results reveal that competitors accelerate thermal adaptation when there is a shared evolutionary response to both competition and warming. Overall, we highlight the urgency of including community context in predicting future range shifts, showing that antagonistic interactions do not necessarily hinder adaptation to climate deterioration.

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Title	Data and code from: Competition enables rapid adaptation to a warming range edge in a model plant community
Creator	Angert, Amy; Usui, Takuji
Date Issued	2026-04-23
Description	Abstract Most predictions of whether populations will adapt to warming range edges ignore species interactions. We tested experimentally if range-edge populations can adapt to warming within a competitive, model plant community (Lemna spp. and Spirodela polyrhiza duckweeds). Notably, we found that adaptation to warming range edges was possible only when populations evolved with interspecific competitors. Moreover, competitors enabled the evolution of both high-temperature tolerance and increased thermal performance breadth at the range edge, but not at the cooler range core. Our results reveal that competitors accelerate thermal adaptation when there is a shared evolutionary response to both competition and warming. Overall, we highlight the urgency of including community context in predicting future range shifts, showing that antagonistic interactions do not necessarily hinder adaptation to climate deterioration.
Subject	Other; Experimental Evolution; Duckweed; reciprocal transplant
Type	Dataset
Notes	Dryad version number: 7 Version status: submitted Dryad curation status: Published Sharing link: http://datadryad.org/dataset/doi:10.5061/dryad.ngf1vhj45</p> Storage size: 67016 Visibility: public
Date Available	2026-04-17
Provider	University of British Columbia Library
License	CC0 1.0
DOI	10.14288/1.0452066
URI	https://doi.org/10.5683/SP3/HUPFFZ
Publisher DOI	https://doi.org/10.5683/SP3/HUPFFZ; https://doi.org/10.5061/dryad.ngf1vhj45
Grant Funding Agency	Natural Sciences and Engineering Research Council of Canada; University of British Columbia
Rights URI	http://creativecommons.org/publicdomain/zero/1.0
Aggregated Source Repository	Dataverse

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