Late Quaternary range shifts of marcescent oaks unveil the dynamics of a major biogeographic transition in southern Europe

Abstract Marcescent forests are ecotones distributed across southern Europe that host increased levels of biodiversity but their persistence is threatened by global change. Here we study the range dynamics of these forests in the Iberian Peninsula (IP) during the Late Quaternary, a period of profoun...

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Autores principales:	Carlos Vila-Viçosa, João Gonçalves, João Honrado, Ângela Lomba, Rubim S. Almeida, Francisco Maria Vázquez, Cristina Garcia
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3fedaff741924bf2abaddf64c206c72e
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spelling	oai:doaj.org-article:3fedaff741924bf2abaddf64c206c72e2021-12-02T16:18:06ZLate Quaternary range shifts of marcescent oaks unveil the dynamics of a major biogeographic transition in southern Europe10.1038/s41598-020-78576-92045-2322https://doaj.org/article/3fedaff741924bf2abaddf64c206c72e2020-12-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-78576-9https://doaj.org/toc/2045-2322Abstract Marcescent forests are ecotones distributed across southern Europe that host increased levels of biodiversity but their persistence is threatened by global change. Here we study the range dynamics of these forests in the Iberian Peninsula (IP) during the Late Quaternary, a period of profound climate and anthropic changes. We modeled and compared the distribution of eight oak taxa for the present and two paleoclimatic environments, the Last Glacial Maximum (LGM, ~ 21 kya) and the Mid-Holocene (MH, ~ 6 kya). Presence records were combined with bioclimatic and topographic data in an ensemble modelling framework to obtain spatial projections for present and past conditions across taxa. Substantial distribution shifts were projected between the three studied periods, that were explained by precipitation, winter cold and terrain ruggedness. Results were congruent with paleoclimatic records of the IP and showed that range shifts of these contact zones concurred with range dynamics of both Submediterranean and Temperate oaks. Notably, the distribution ranges of hybrid oaks and marcescent forests matched throughout the late Quaternary. This study contributes to unveil the complex Late-Quaternary biogeography of the ecotone belt occupied by marcescent forests and, more broadly, of Mediterranean oaks. Improved knowledge of species’ responses to climate dynamics will allow us to anticipate and manage future range shifts driven by climate change.Carlos Vila-ViçosaJoão GonçalvesJoão HonradoÂngela LombaRubim S. AlmeidaFrancisco Maria VázquezCristina GarciaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-12 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Carlos Vila-Viçosa João Gonçalves João Honrado Ângela Lomba Rubim S. Almeida Francisco Maria Vázquez Cristina Garcia Late Quaternary range shifts of marcescent oaks unveil the dynamics of a major biogeographic transition in southern Europe
description	Abstract Marcescent forests are ecotones distributed across southern Europe that host increased levels of biodiversity but their persistence is threatened by global change. Here we study the range dynamics of these forests in the Iberian Peninsula (IP) during the Late Quaternary, a period of profound climate and anthropic changes. We modeled and compared the distribution of eight oak taxa for the present and two paleoclimatic environments, the Last Glacial Maximum (LGM, ~ 21 kya) and the Mid-Holocene (MH, ~ 6 kya). Presence records were combined with bioclimatic and topographic data in an ensemble modelling framework to obtain spatial projections for present and past conditions across taxa. Substantial distribution shifts were projected between the three studied periods, that were explained by precipitation, winter cold and terrain ruggedness. Results were congruent with paleoclimatic records of the IP and showed that range shifts of these contact zones concurred with range dynamics of both Submediterranean and Temperate oaks. Notably, the distribution ranges of hybrid oaks and marcescent forests matched throughout the late Quaternary. This study contributes to unveil the complex Late-Quaternary biogeography of the ecotone belt occupied by marcescent forests and, more broadly, of Mediterranean oaks. Improved knowledge of species’ responses to climate dynamics will allow us to anticipate and manage future range shifts driven by climate change.
format	article
author	Carlos Vila-Viçosa João Gonçalves João Honrado Ângela Lomba Rubim S. Almeida Francisco Maria Vázquez Cristina Garcia
author_facet	Carlos Vila-Viçosa João Gonçalves João Honrado Ângela Lomba Rubim S. Almeida Francisco Maria Vázquez Cristina Garcia
author_sort	Carlos Vila-Viçosa
title	Late Quaternary range shifts of marcescent oaks unveil the dynamics of a major biogeographic transition in southern Europe
title_short	Late Quaternary range shifts of marcescent oaks unveil the dynamics of a major biogeographic transition in southern Europe
title_full	Late Quaternary range shifts of marcescent oaks unveil the dynamics of a major biogeographic transition in southern Europe
title_fullStr	Late Quaternary range shifts of marcescent oaks unveil the dynamics of a major biogeographic transition in southern Europe
title_full_unstemmed	Late Quaternary range shifts of marcescent oaks unveil the dynamics of a major biogeographic transition in southern Europe
title_sort	late quaternary range shifts of marcescent oaks unveil the dynamics of a major biogeographic transition in southern europe
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/3fedaff741924bf2abaddf64c206c72e
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Late Quaternary range shifts of marcescent oaks unveil the dynamics of a major biogeographic transition in southern Europe

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