Sensitive periods during the development and expression of vertebrate sexual signals: A systematic review

Abstract Many sexually selected traits exhibit phenotypic plasticity. Despite a growing appreciation for the ecological context in which sexual selection occurs, and for the role of plasticity in shaping traits associated with local adaptation and divergence, there is an important gap in knowledge a...

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Autores principales:	Molly T. McDermott, Rebecca J. Safran
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	condition dependence divergence indicator traits plasticity sexual selection signal traits Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/dc7633e1be2c41dfb7d6cdd36dfe279b
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spelling	oai:doaj.org-article:dc7633e1be2c41dfb7d6cdd36dfe279b2021-11-08T17:10:40ZSensitive periods during the development and expression of vertebrate sexual signals: A systematic review2045-775810.1002/ece3.8203https://doaj.org/article/dc7633e1be2c41dfb7d6cdd36dfe279b2021-11-01T00:00:00Zhttps://doi.org/10.1002/ece3.8203https://doaj.org/toc/2045-7758Abstract Many sexually selected traits exhibit phenotypic plasticity. Despite a growing appreciation for the ecological context in which sexual selection occurs, and for the role of plasticity in shaping traits associated with local adaptation and divergence, there is an important gap in knowledge about the onset and duration of plasticity in sexual trait expression. Integrating this temporal dimension of plasticity into models of sexual selection informs our understanding of the information conveyed by sexual traits and our predictions related to trait evolution, and is critical in this time of unprecedented and rapid environmental change. We conducted a systematic review of 869 studies to ask how trait modalities (e.g., visual and chemical) relate to the onset and duration of plasticity in vertebrate sexual signals. We show that this literature is dominated by studies of coloration in birds and fish, and most studies take place during the breeding season. Where possible, we integrate results across studies to link physiology of specific trait modalities with the life stage (e.g., juvenile, breeding, or nonbreeding) during which plasticity occurs in well‐studied traits. Limitations of our review included a lack of replication in our dataset, which precluded formal analysis. We argue that the timing of trait plasticity, in addition to environmental context, is critical for determining whether and how various communication signals are associated with ecological context, because plasticity may be ongoing or occur at only one point in an individual's lifetime, and determining a fixed trajectory of trait expression. We advocate for careful consideration of the onset and duration of plasticity when analyzing how environmental variation affects sexual trait expression and associated evolutionary outcomes.Molly T. McDermottRebecca J. SafranWileyarticlecondition dependencedivergenceindicator traitsplasticitysexual selectionsignal traitsEcologyQH540-549.5ENEcology and Evolution, Vol 11, Iss 21, Pp 14416-14432 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	condition dependence divergence indicator traits plasticity sexual selection signal traits Ecology QH540-549.5
spellingShingle	condition dependence divergence indicator traits plasticity sexual selection signal traits Ecology QH540-549.5 Molly T. McDermott Rebecca J. Safran Sensitive periods during the development and expression of vertebrate sexual signals: A systematic review
description	Abstract Many sexually selected traits exhibit phenotypic plasticity. Despite a growing appreciation for the ecological context in which sexual selection occurs, and for the role of plasticity in shaping traits associated with local adaptation and divergence, there is an important gap in knowledge about the onset and duration of plasticity in sexual trait expression. Integrating this temporal dimension of plasticity into models of sexual selection informs our understanding of the information conveyed by sexual traits and our predictions related to trait evolution, and is critical in this time of unprecedented and rapid environmental change. We conducted a systematic review of 869 studies to ask how trait modalities (e.g., visual and chemical) relate to the onset and duration of plasticity in vertebrate sexual signals. We show that this literature is dominated by studies of coloration in birds and fish, and most studies take place during the breeding season. Where possible, we integrate results across studies to link physiology of specific trait modalities with the life stage (e.g., juvenile, breeding, or nonbreeding) during which plasticity occurs in well‐studied traits. Limitations of our review included a lack of replication in our dataset, which precluded formal analysis. We argue that the timing of trait plasticity, in addition to environmental context, is critical for determining whether and how various communication signals are associated with ecological context, because plasticity may be ongoing or occur at only one point in an individual's lifetime, and determining a fixed trajectory of trait expression. We advocate for careful consideration of the onset and duration of plasticity when analyzing how environmental variation affects sexual trait expression and associated evolutionary outcomes.
format	article
author	Molly T. McDermott Rebecca J. Safran
author_facet	Molly T. McDermott Rebecca J. Safran
author_sort	Molly T. McDermott
title	Sensitive periods during the development and expression of vertebrate sexual signals: A systematic review
title_short	Sensitive periods during the development and expression of vertebrate sexual signals: A systematic review
title_full	Sensitive periods during the development and expression of vertebrate sexual signals: A systematic review
title_fullStr	Sensitive periods during the development and expression of vertebrate sexual signals: A systematic review
title_full_unstemmed	Sensitive periods during the development and expression of vertebrate sexual signals: A systematic review
title_sort	sensitive periods during the development and expression of vertebrate sexual signals: a systematic review
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/dc7633e1be2c41dfb7d6cdd36dfe279b
work_keys_str_mv	AT mollytmcdermott sensitiveperiodsduringthedevelopmentandexpressionofvertebratesexualsignalsasystematicreview AT rebeccajsafran sensitiveperiodsduringthedevelopmentandexpressionofvertebratesexualsignalsasystematicreview
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Sensitive periods during the development and expression of vertebrate sexual signals: A systematic review

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