Morphological response accompanying size reduction of belemnites during an Early Jurassic hyperthermal event modulated by life history

Abstract One of the most common responses of marine ectotherms to rapid warming is a reduction in body size, but the underlying reasons are unclear. Body size reductions have been documented alongside rapid warming events in the fossil record, such as across the Pliensbachian-Toarcian boundary (PToB...

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Autores principales:	Paulina S. Nätscher, Guillaume Dera, Carl J. Reddin, Patrícia Rita, Kenneth De Baets
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9f2c852129fe4cf3acc759fcbcaf35d4
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spelling	oai:doaj.org-article:9f2c852129fe4cf3acc759fcbcaf35d42021-12-02T15:33:13ZMorphological response accompanying size reduction of belemnites during an Early Jurassic hyperthermal event modulated by life history10.1038/s41598-021-93850-02045-2322https://doaj.org/article/9f2c852129fe4cf3acc759fcbcaf35d42021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93850-0https://doaj.org/toc/2045-2322Abstract One of the most common responses of marine ectotherms to rapid warming is a reduction in body size, but the underlying reasons are unclear. Body size reductions have been documented alongside rapid warming events in the fossil record, such as across the Pliensbachian-Toarcian boundary (PToB) event (~ 183 Mya). As individuals grow, parallel changes in morphology can indicate details of their ecological response to environmental crises, such as changes in resource acquisition, which may anticipate future climate impacts. Here we show that the morphological growth of a marine predator belemnite species (extinct coleoid cephalopods) changed significantly over the PToB warming event. Increasing robustness at different ontogenetic stages likely results from indirect consequences of warming, like resource scarcity or hypercalcification, pointing toward varying ecological tolerances among species. The results of this study stress the importance of taking life history into account as well as phylogeny when studying impacts of environmental stressors on marine organisms.Paulina S. NätscherGuillaume DeraCarl J. ReddinPatrícia RitaKenneth De BaetsNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Paulina S. Nätscher Guillaume Dera Carl J. Reddin Patrícia Rita Kenneth De Baets Morphological response accompanying size reduction of belemnites during an Early Jurassic hyperthermal event modulated by life history
description	Abstract One of the most common responses of marine ectotherms to rapid warming is a reduction in body size, but the underlying reasons are unclear. Body size reductions have been documented alongside rapid warming events in the fossil record, such as across the Pliensbachian-Toarcian boundary (PToB) event (~ 183 Mya). As individuals grow, parallel changes in morphology can indicate details of their ecological response to environmental crises, such as changes in resource acquisition, which may anticipate future climate impacts. Here we show that the morphological growth of a marine predator belemnite species (extinct coleoid cephalopods) changed significantly over the PToB warming event. Increasing robustness at different ontogenetic stages likely results from indirect consequences of warming, like resource scarcity or hypercalcification, pointing toward varying ecological tolerances among species. The results of this study stress the importance of taking life history into account as well as phylogeny when studying impacts of environmental stressors on marine organisms.
format	article
author	Paulina S. Nätscher Guillaume Dera Carl J. Reddin Patrícia Rita Kenneth De Baets
author_facet	Paulina S. Nätscher Guillaume Dera Carl J. Reddin Patrícia Rita Kenneth De Baets
author_sort	Paulina S. Nätscher
title	Morphological response accompanying size reduction of belemnites during an Early Jurassic hyperthermal event modulated by life history
title_short	Morphological response accompanying size reduction of belemnites during an Early Jurassic hyperthermal event modulated by life history
title_full	Morphological response accompanying size reduction of belemnites during an Early Jurassic hyperthermal event modulated by life history
title_fullStr	Morphological response accompanying size reduction of belemnites during an Early Jurassic hyperthermal event modulated by life history
title_full_unstemmed	Morphological response accompanying size reduction of belemnites during an Early Jurassic hyperthermal event modulated by life history
title_sort	morphological response accompanying size reduction of belemnites during an early jurassic hyperthermal event modulated by life history
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/9f2c852129fe4cf3acc759fcbcaf35d4
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_version_	1718387097632505856

Morphological response accompanying size reduction of belemnites during an Early Jurassic hyperthermal event modulated by life history

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