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Global warming intensifies the interference competition by a poleward-expanding invader on a native dragonfly species

Rapid climate warming has boosted biological invasions and the distribution or expansion polewards of many species: this can cause serious impacts on local ecosystems within the invaded areas. Subsequently, native species may be exposed to threats of both interspecific competition with invaders and...

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Autores principales: Nagano, Koki, Hiraiwa, Masayoshi K., Ishiwaka, Naoto, Seko, Yugo, Hashimoto, Koya, Uchida, Taizo, Sánchez-Bayo, Francisco, Hayasaka, Daisuke
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10663793/
https://www.ncbi.nlm.nih.gov/pubmed/38026017
http://dx.doi.org/10.1098/rsos.230449
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author Nagano, Koki
Hiraiwa, Masayoshi K.
Ishiwaka, Naoto
Seko, Yugo
Hashimoto, Koya
Uchida, Taizo
Sánchez-Bayo, Francisco
Hayasaka, Daisuke
author_facet Nagano, Koki
Hiraiwa, Masayoshi K.
Ishiwaka, Naoto
Seko, Yugo
Hashimoto, Koya
Uchida, Taizo
Sánchez-Bayo, Francisco
Hayasaka, Daisuke
author_sort Nagano, Koki
collection PubMed
description Rapid climate warming has boosted biological invasions and the distribution or expansion polewards of many species: this can cause serious impacts on local ecosystems within the invaded areas. Subsequently, native species may be exposed to threats of both interspecific competition with invaders and temperature rises. However, effects of warming on interspecific interactions, especially competition between invader and native species remains unclear. To better understand the combined threats of biological invasions and warming, the effect of temperature on competitive interactions between two dragonfly species, the expanding Trithemis aurora from Southeast Asia and the Japanese native Orthetrum albistylum speciosum were assessed based on their foraging capacity. Although the stand-alone effect of temperature on foraging intake of the native dragonfly was not apparent, its intake significantly decreased with increasing temperatures when the invader T. aurora was present. Such reductions in foraging might lead to displacement of the native species through competition for food resources. This suggests that impacts of invader species against native species are expected to be more severe when interspecific competition is exacerbated by temperature rises.
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spelling pubmed-106637932023-11-22 Global warming intensifies the interference competition by a poleward-expanding invader on a native dragonfly species Nagano, Koki Hiraiwa, Masayoshi K. Ishiwaka, Naoto Seko, Yugo Hashimoto, Koya Uchida, Taizo Sánchez-Bayo, Francisco Hayasaka, Daisuke R Soc Open Sci Ecology, Conservation and Global Change Biology Rapid climate warming has boosted biological invasions and the distribution or expansion polewards of many species: this can cause serious impacts on local ecosystems within the invaded areas. Subsequently, native species may be exposed to threats of both interspecific competition with invaders and temperature rises. However, effects of warming on interspecific interactions, especially competition between invader and native species remains unclear. To better understand the combined threats of biological invasions and warming, the effect of temperature on competitive interactions between two dragonfly species, the expanding Trithemis aurora from Southeast Asia and the Japanese native Orthetrum albistylum speciosum were assessed based on their foraging capacity. Although the stand-alone effect of temperature on foraging intake of the native dragonfly was not apparent, its intake significantly decreased with increasing temperatures when the invader T. aurora was present. Such reductions in foraging might lead to displacement of the native species through competition for food resources. This suggests that impacts of invader species against native species are expected to be more severe when interspecific competition is exacerbated by temperature rises. The Royal Society 2023-11-22 /pmc/articles/PMC10663793/ /pubmed/38026017 http://dx.doi.org/10.1098/rsos.230449 Text en © 2023 The Authors. https://creativecommons.org/licenses/by/4.0/Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, provided the original author and source are credited.
spellingShingle Ecology, Conservation and Global Change Biology
Nagano, Koki
Hiraiwa, Masayoshi K.
Ishiwaka, Naoto
Seko, Yugo
Hashimoto, Koya
Uchida, Taizo
Sánchez-Bayo, Francisco
Hayasaka, Daisuke
Global warming intensifies the interference competition by a poleward-expanding invader on a native dragonfly species
title Global warming intensifies the interference competition by a poleward-expanding invader on a native dragonfly species
title_full Global warming intensifies the interference competition by a poleward-expanding invader on a native dragonfly species
title_fullStr Global warming intensifies the interference competition by a poleward-expanding invader on a native dragonfly species
title_full_unstemmed Global warming intensifies the interference competition by a poleward-expanding invader on a native dragonfly species
title_short Global warming intensifies the interference competition by a poleward-expanding invader on a native dragonfly species
title_sort global warming intensifies the interference competition by a poleward-expanding invader on a native dragonfly species
topic Ecology, Conservation and Global Change Biology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10663793/
https://www.ncbi.nlm.nih.gov/pubmed/38026017
http://dx.doi.org/10.1098/rsos.230449
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