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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Nature Portfolio
2021
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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) |
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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 |
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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 |