Biogeography pattern of the marine angiosperm Cymodocea nodosa in the eastern Mediterranean Sea related to the quaternary climatic changes

Ioannis Konstantinidis; Georgios A.  Gkafas; Vasillis Papathanasiou; Sotiris  Orfanidis; Frithjof Kuepper; Sophie  Arnaud-Haond; Athanasios  Exadactylos

doi:10.1002/ece3.8911

Biogeography pattern of the marine angiosperm Cymodocea nodosa in the eastern Mediterranean Sea related to the quaternary climatic changes

Ioannis Konstantinidis , Georgios A. Gkafas, Vasillis Papathanasiou , Sotiris Orfanidis, Frithjof Kuepper, Sophie Arnaud-Haond, Athanasios Exadactylos^* (Corresponding Author)

^*Corresponding author for this work

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Abstract

We investigated the population dynamics of a highly clonal marine angiosperm, Cymodocea nodosa, in the eastern Mediterranean Sea, to identify the historical dy-namics, demography, and connectivity of the species in the area. Eighteen microsatel-lite loci were used in conjunction with coalescent methods to investigate the genetic structure and demographic history of C. nodosa meadows. Approximate Bayesian computation (ABC) modeling was used to examine the pattern of divergence over time in the context of environmental change over the course of the Quaternary period. ABC analysis revealed an initial split of the C. nodosa populations between the north-western, northern, and north-eastern Aegean Sea during the Pleistocene epoch, followed by a more recent divergence of the north-western population and the central-western part of the Aegean Sea. According to the results, the most parsimo-nious historical scenario is that of a pervasive genetic signature of the effects of the drop in sea level during the Pleistocene epoch. This scenario supports the isolation of the north-western, north, and north-eastern area, and the subsequent recolonization after post- glaciation sea level rise that may explain the north-western differentiation as well present-day detected dispersion of C. nodosa.

Original language	English
Article number	e8911
Number of pages	12
Journal	Ecology and Evolution
Volume	12
Issue number	5
Early online date	25 May 2022
DOIs	https://doi.org/10.1002/ece3.8911
Publication status	Published - 25 May 2022

Bibliographical note

Acknowledgments
This research has been co-financed by the European Union (European Social Fund – ESF) and Greek national funds through the Operational Program "Education and Lifelong Learning" of the National Strategic Reference Framework (NSRF) - Research Funding Program: THALES. The authors would like to thank M. Malandrakis and A. Lolas for their contribution to sampling.

Data Availability Statement

Supporting information

Additional supporting information may be found in the online version of the article at the publisher’s website.

Keywords

Holocene
Mediterranean Sea
migration
Pleistocene
Population structure
Cymodocea nodosa
sea level rise

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Cite this

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title = "Biogeography pattern of the marine angiosperm Cymodocea nodosa in the eastern Mediterranean Sea related to the quaternary climatic changes",

abstract = "We investigated the population dynamics of a highly clonal marine angiosperm, Cymodocea nodosa, in the eastern Mediterranean Sea, to identify the historical dy-namics, demography, and connectivity of the species in the area. Eighteen microsatel-lite loci were used in conjunction with coalescent methods to investigate the genetic structure and demographic history of C. nodosa meadows. Approximate Bayesian computation (ABC) modeling was used to examine the pattern of divergence over time in the context of environmental change over the course of the Quaternary period. ABC analysis revealed an initial split of the C. nodosa populations between the north-western, northern, and north-eastern Aegean Sea during the Pleistocene epoch, followed by a more recent divergence of the north-western population and the central-western part of the Aegean Sea. According to the results, the most parsimo-nious historical scenario is that of a pervasive genetic signature of the effects of the drop in sea level during the Pleistocene epoch. This scenario supports the isolation of the north-western, north, and north-eastern area, and the subsequent recolonization after post- glaciation sea level rise that may explain the north-western differentiation as well present-day detected dispersion of C. nodosa.",

keywords = "Holocene, Mediterranean Sea, migration, Pleistocene, Population structure, Cymodocea nodosa, sea level rise",

author = "Ioannis Konstantinidis and Gkafas, {Georgios A.} and Vasillis Papathanasiou and Sotiris Orfanidis and Frithjof Kuepper and Sophie Arnaud-Haond and Athanasios Exadactylos",

note = "Acknowledgments This research has been co-financed by the European Union (European Social Fund – ESF) and Greek national funds through the Operational Program {"}Education and Lifelong Learning{"} of the National Strategic Reference Framework (NSRF) - Research Funding Program: THALES. The authors would like to thank M. Malandrakis and A. Lolas for their contribution to sampling.",

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AU - Gkafas, Georgios A.

AU - Papathanasiou , Vasillis

AU - Orfanidis, Sotiris

AU - Kuepper, Frithjof

AU - Arnaud-Haond, Sophie

AU - Exadactylos, Athanasios

N1 - Acknowledgments This research has been co-financed by the European Union (European Social Fund – ESF) and Greek national funds through the Operational Program "Education and Lifelong Learning" of the National Strategic Reference Framework (NSRF) - Research Funding Program: THALES. The authors would like to thank M. Malandrakis and A. Lolas for their contribution to sampling.

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N2 - We investigated the population dynamics of a highly clonal marine angiosperm, Cymodocea nodosa, in the eastern Mediterranean Sea, to identify the historical dy-namics, demography, and connectivity of the species in the area. Eighteen microsatel-lite loci were used in conjunction with coalescent methods to investigate the genetic structure and demographic history of C. nodosa meadows. Approximate Bayesian computation (ABC) modeling was used to examine the pattern of divergence over time in the context of environmental change over the course of the Quaternary period. ABC analysis revealed an initial split of the C. nodosa populations between the north-western, northern, and north-eastern Aegean Sea during the Pleistocene epoch, followed by a more recent divergence of the north-western population and the central-western part of the Aegean Sea. According to the results, the most parsimo-nious historical scenario is that of a pervasive genetic signature of the effects of the drop in sea level during the Pleistocene epoch. This scenario supports the isolation of the north-western, north, and north-eastern area, and the subsequent recolonization after post- glaciation sea level rise that may explain the north-western differentiation as well present-day detected dispersion of C. nodosa.

AB - We investigated the population dynamics of a highly clonal marine angiosperm, Cymodocea nodosa, in the eastern Mediterranean Sea, to identify the historical dy-namics, demography, and connectivity of the species in the area. Eighteen microsatel-lite loci were used in conjunction with coalescent methods to investigate the genetic structure and demographic history of C. nodosa meadows. Approximate Bayesian computation (ABC) modeling was used to examine the pattern of divergence over time in the context of environmental change over the course of the Quaternary period. ABC analysis revealed an initial split of the C. nodosa populations between the north-western, northern, and north-eastern Aegean Sea during the Pleistocene epoch, followed by a more recent divergence of the north-western population and the central-western part of the Aegean Sea. According to the results, the most parsimo-nious historical scenario is that of a pervasive genetic signature of the effects of the drop in sea level during the Pleistocene epoch. This scenario supports the isolation of the north-western, north, and north-eastern area, and the subsequent recolonization after post- glaciation sea level rise that may explain the north-western differentiation as well present-day detected dispersion of C. nodosa.

KW - Holocene

KW - Mediterranean Sea

KW - migration

KW - Pleistocene

KW - Population structure

KW - Cymodocea nodosa

KW - sea level rise

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DO - 10.1002/ece3.8911

M3 - Article

SN - 2045-7758

VL - 12

JO - Ecology and Evolution

JF - Ecology and Evolution

IS - 5

M1 - e8911

ER -

Biogeography pattern of the marine angiosperm Cymodocea nodosa in the eastern Mediterranean Sea related to the quaternary climatic changes

Abstract

Bibliographical note

Data Availability Statement

Keywords

UN SDGs

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