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Geographic separation and genetic differentiation of populations are not coupled with niche differentiation in threatened Kaiser’s spotted newt (Neurergus kaiseri)

Geographic separation and genetic differentiation of populations are not coupled with niche differentiation in threatened Kaiser’s spotted newt (Neurergus kaiseri)

Authors

Forough Goudarzi, Mahmoud-Reza Hemami, Loïs Rancilhac, Mansoureh Malekian, Sima Fakheran, Kathryn R Elmer, Sebastian Steinfartz

Publication date

2019/4/17

Journal

Scientific reports

Volume

9

Issue

1

Pages

6239

Publisher

Nature Publishing Group

Description

The combination of niche modelling and landscape genetics (genomics) helps to disentangle processes that have shaped population structure in the evolutionary past and presence of species. Herein, we integrate a comprehensive genomic dataset with ecological parameters and niche modelling for the threatened Kaiser’s newt, a newt species adapted to mountain spring-ponds in Iran. Genomic analysis suggests the existence of two highly differentiated clades North and South of the Dez River. Genetic variation between the two clades (76.62%) was much greater than within clades (16.25%), suggesting that the Dez River prevented gene flow. River disconnectivity, followed by geographic distance, contributed mostly to genetic differentiation between populations. Environmental niche and landscape resistance had no significant influence. Though a significant difference between climatic niches occupied by each …

Journal Papers
Year: 
2019
Month/Season: 
April
Year: 
2019

تحت نظارت وف ایرانی

Geographic separation and genetic differentiation of populations are not coupled with niche differentiation in threatened Kaiser’s spotted newt (Neurergus kaiseri) | Prof. Dr. Sima Fakheran Esfahani

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تحت نظارت وف ایرانی