Diurnal temperature range as a key predictor of plants’ elevation ranges globally

Abstract A prominent hypothesis in ecology is that larger species ranges are found in more variable climates because species develop broader environmental tolerances, predicting a positive range size-temperature variability relationship. However, this overlooks the extreme temperatures that variable...

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Main Authors: Arnaud Gallou, Alistair S. Jump, Joshua S. Lynn, Richard Field, Severin D. H. Irl, Manuel J. Steinbauer, Carl Beierkuhnlein, Jan-Chang Chen, Chang-Hung Chou, Andreas Hemp, Yohannes Kidane, Christian König, Holger Kreft, Alireza Naqinezhad, Arkadiusz Nowak, Jan-Niklas Nuppenau, Panayiotis Trigas, Jonathan P. Price, Carl A. Roland, Andreas H. Schweiger, Patrick Weigelt, Suzette G. A. Flantua, John-Arvid Grytnes
Format: Article
Language:English
Published: Nature Portfolio 2023-11-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-023-43477-8
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author Arnaud Gallou
Alistair S. Jump
Joshua S. Lynn
Richard Field
Severin D. H. Irl
Manuel J. Steinbauer
Carl Beierkuhnlein
Jan-Chang Chen
Chang-Hung Chou
Andreas Hemp
Yohannes Kidane
Christian König
Holger Kreft
Alireza Naqinezhad
Arkadiusz Nowak
Jan-Niklas Nuppenau
Panayiotis Trigas
Jonathan P. Price
Carl A. Roland
Andreas H. Schweiger
Patrick Weigelt
Suzette G. A. Flantua
John-Arvid Grytnes
author_facet Arnaud Gallou
Alistair S. Jump
Joshua S. Lynn
Richard Field
Severin D. H. Irl
Manuel J. Steinbauer
Carl Beierkuhnlein
Jan-Chang Chen
Chang-Hung Chou
Andreas Hemp
Yohannes Kidane
Christian König
Holger Kreft
Alireza Naqinezhad
Arkadiusz Nowak
Jan-Niklas Nuppenau
Panayiotis Trigas
Jonathan P. Price
Carl A. Roland
Andreas H. Schweiger
Patrick Weigelt
Suzette G. A. Flantua
John-Arvid Grytnes
author_sort Arnaud Gallou
collection DOAJ
description Abstract A prominent hypothesis in ecology is that larger species ranges are found in more variable climates because species develop broader environmental tolerances, predicting a positive range size-temperature variability relationship. However, this overlooks the extreme temperatures that variable climates impose on species, with upper or lower thermal limits more likely to be exceeded. Accordingly, we propose the ‘temperature range squeeze’ hypothesis, predicting a negative range size-temperature variability relationship. We test these contrasting predictions by relating 88,000 elevation range sizes of vascular plants in 44 mountains to short- and long-term temperature variation. Consistent with our hypothesis, we find that species’ range size is negatively correlated with diurnal temperature range. Accurate predictions of short-term temperature variation will become increasingly important for extinction risk assessment in the future.
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spelling doaj.art-9888dee7b6984cdb85303de2080c23102024-03-05T19:31:03ZengNature PortfolioNature Communications2041-17232023-11-011411810.1038/s41467-023-43477-8Diurnal temperature range as a key predictor of plants’ elevation ranges globallyArnaud Gallou0Alistair S. Jump1Joshua S. Lynn2Richard Field3Severin D. H. Irl4Manuel J. Steinbauer5Carl Beierkuhnlein6Jan-Chang Chen7Chang-Hung Chou8Andreas Hemp9Yohannes Kidane10Christian König11Holger Kreft12Alireza Naqinezhad13Arkadiusz Nowak14Jan-Niklas Nuppenau15Panayiotis Trigas16Jonathan P. Price17Carl A. Roland18Andreas H. Schweiger19Patrick Weigelt20Suzette G. A. Flantua21John-Arvid Grytnes22Department of Biological Sciences, University of BergenBiological and Environmental Sciences, Faculty of Natural Sciences, University of StirlingDepartment of Biological Sciences, University of Bergen and Bjerknes Centre for Climate ResearchSchool of Geography, University of NottinghamBiogeography and Biodiversity Lab, Institute of Physical Geography, Goethe-University FrankfurtDepartment of Biological Sciences, University of BergenChair of Biogeography, University of BayreuthDepartment of Forestry, National Pingtung University of Science and TechnologyInstitute of Plant and Microbial Biology, Academia SinicaDepartment of Plant Systematics, University of BayreuthChair of Biogeography, University of BayreuthBiodiversity, Macroecology & Biogeography, University of GöttingenBiodiversity, Macroecology & Biogeography, University of GöttingenDepartment of Plant Biology, Faculty of Basic Sciences, University of MazandaranInstitute of Biology, University of OpoleDepartment of Ecology, Environment and Plant Science, Stockholm UniversityDepartment of Crop Science, School of Plant Sciences, Agricultural University of AthensDepartment of Geography, University of HawaiiDenali National ParkInstitute of Landscape and Plant Ecology, Department of Plant Ecology, University of HohenheimBiodiversity, Macroecology & Biogeography, University of GöttingenDepartment of Biological Sciences, University of Bergen and Bjerknes Centre for Climate ResearchDepartment of Biological Sciences, University of BergenAbstract A prominent hypothesis in ecology is that larger species ranges are found in more variable climates because species develop broader environmental tolerances, predicting a positive range size-temperature variability relationship. However, this overlooks the extreme temperatures that variable climates impose on species, with upper or lower thermal limits more likely to be exceeded. Accordingly, we propose the ‘temperature range squeeze’ hypothesis, predicting a negative range size-temperature variability relationship. We test these contrasting predictions by relating 88,000 elevation range sizes of vascular plants in 44 mountains to short- and long-term temperature variation. Consistent with our hypothesis, we find that species’ range size is negatively correlated with diurnal temperature range. Accurate predictions of short-term temperature variation will become increasingly important for extinction risk assessment in the future.https://doi.org/10.1038/s41467-023-43477-8
spellingShingle Arnaud Gallou
Alistair S. Jump
Joshua S. Lynn
Richard Field
Severin D. H. Irl
Manuel J. Steinbauer
Carl Beierkuhnlein
Jan-Chang Chen
Chang-Hung Chou
Andreas Hemp
Yohannes Kidane
Christian König
Holger Kreft
Alireza Naqinezhad
Arkadiusz Nowak
Jan-Niklas Nuppenau
Panayiotis Trigas
Jonathan P. Price
Carl A. Roland
Andreas H. Schweiger
Patrick Weigelt
Suzette G. A. Flantua
John-Arvid Grytnes
Diurnal temperature range as a key predictor of plants’ elevation ranges globally
Nature Communications
title Diurnal temperature range as a key predictor of plants’ elevation ranges globally
title_full Diurnal temperature range as a key predictor of plants’ elevation ranges globally
title_fullStr Diurnal temperature range as a key predictor of plants’ elevation ranges globally
title_full_unstemmed Diurnal temperature range as a key predictor of plants’ elevation ranges globally
title_short Diurnal temperature range as a key predictor of plants’ elevation ranges globally
title_sort diurnal temperature range as a key predictor of plants elevation ranges globally
url https://doi.org/10.1038/s41467-023-43477-8
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