Rapid phenotypic change in a polymorphic salamander over 43 years

Abstract Color polymorphic animals offer a unique system for studying intraspecific phenotypic responses to climate change. Discrete color morphs are easy to identify, and correlated trait responses of morphs can indicate how climate warming may facilitate long-term maintenance of polymorphisms. We...

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Autores principales:	Maggie M. Hantak, Nicholas A. Federico, David C. Blackburn, Robert P. Guralnick
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f0017008b52246e086066535dd7d3fda
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spelling	oai:doaj.org-article:f0017008b52246e086066535dd7d3fda2021-11-28T12:16:15ZRapid phenotypic change in a polymorphic salamander over 43 years10.1038/s41598-021-02124-22045-2322https://doaj.org/article/f0017008b52246e086066535dd7d3fda2021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-02124-2https://doaj.org/toc/2045-2322Abstract Color polymorphic animals offer a unique system for studying intraspecific phenotypic responses to climate change. Discrete color morphs are easy to identify, and correlated trait responses of morphs can indicate how climate warming may facilitate long-term maintenance of polymorphisms. We use a historical dataset spanning 43 years to examine temporal shifts in color morph frequency and body size in response to climate in the Eastern Red-backed Salamander, Plethodon cinereus, which contains a widespread striped/unstriped color polymorphism. We created a pipeline to extract high-throughput trait data from fluid-preserved museum specimens where we batch-photographed salamanders, de-aggregated individual specimens from photographs, and solicited help of community scientists to score color morphs. We used a linear modeling framework that includes information about spatial population structure to demonstrate that color morph frequency and body size vary in response to climate, elevation, and over time, with an overall trend of higher frequency and decreased body size of the striped morph, but increased size of the unstriped morph. These surprising results suggest that morphs may be responding to multiple climate and geographic drivers through co-adapted morphological changes. This work highlights new practices of extracting trait data from museum specimens to demonstrate species phenotypes response to climate change.Maggie M. HantakNicholas A. FedericoDavid C. BlackburnRobert P. GuralnickNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Maggie M. Hantak Nicholas A. Federico David C. Blackburn Robert P. Guralnick Rapid phenotypic change in a polymorphic salamander over 43 years
description	Abstract Color polymorphic animals offer a unique system for studying intraspecific phenotypic responses to climate change. Discrete color morphs are easy to identify, and correlated trait responses of morphs can indicate how climate warming may facilitate long-term maintenance of polymorphisms. We use a historical dataset spanning 43 years to examine temporal shifts in color morph frequency and body size in response to climate in the Eastern Red-backed Salamander, Plethodon cinereus, which contains a widespread striped/unstriped color polymorphism. We created a pipeline to extract high-throughput trait data from fluid-preserved museum specimens where we batch-photographed salamanders, de-aggregated individual specimens from photographs, and solicited help of community scientists to score color morphs. We used a linear modeling framework that includes information about spatial population structure to demonstrate that color morph frequency and body size vary in response to climate, elevation, and over time, with an overall trend of higher frequency and decreased body size of the striped morph, but increased size of the unstriped morph. These surprising results suggest that morphs may be responding to multiple climate and geographic drivers through co-adapted morphological changes. This work highlights new practices of extracting trait data from museum specimens to demonstrate species phenotypes response to climate change.
format	article
author	Maggie M. Hantak Nicholas A. Federico David C. Blackburn Robert P. Guralnick
author_facet	Maggie M. Hantak Nicholas A. Federico David C. Blackburn Robert P. Guralnick
author_sort	Maggie M. Hantak
title	Rapid phenotypic change in a polymorphic salamander over 43 years
title_short	Rapid phenotypic change in a polymorphic salamander over 43 years
title_full	Rapid phenotypic change in a polymorphic salamander over 43 years
title_fullStr	Rapid phenotypic change in a polymorphic salamander over 43 years
title_full_unstemmed	Rapid phenotypic change in a polymorphic salamander over 43 years
title_sort	rapid phenotypic change in a polymorphic salamander over 43 years
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/f0017008b52246e086066535dd7d3fda
work_keys_str_mv	AT maggiemhantak rapidphenotypicchangeinapolymorphicsalamanderover43years AT nicholasafederico rapidphenotypicchangeinapolymorphicsalamanderover43years AT davidcblackburn rapidphenotypicchangeinapolymorphicsalamanderover43years AT robertpguralnick rapidphenotypicchangeinapolymorphicsalamanderover43years
_version_	1718408112747053056

Rapid phenotypic change in a polymorphic salamander over 43 years

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