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Massive Hybridization and Species Concepts, Insights from Watersnakes

 

Marketed By :  VDM Verlag Dr. Müller   Sold By :  Kamal Books International  
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  • Product Description
 

Reproductive isolation is a precondition for two closely related taxa to reproduce successfully as separate entities and is the pillar of the Biological Species Concept. Hybridization and introgression are two biological processes implying incomplete speciation and are perceived as marginal in vertrebrates with fertiliziation via penile insertion (mammals, squamate reptiles). This study presents a multi-faceted approach, using molecular and morphological characters of two mostly parapatric watersnake species to analyze the dynamics of a massive organismal and genetic exchange within their contact zone, correlating it to different types of ecotonal transitions, exhibiting distinct habitat preferences and physiological tolerances between both taxa. Nontheless fixed nuclear genetic markers and the distinct environmental correlates reveal that the two taxa are independent entities and qualify as species under most species concepts, whereas hybrid superiority is limited to the interspecific ecotones. This book contributes relevant information to some persisting problems of species concepts and applies an integrated approach on a fascinating aspect of evolution.

Product Specifications
SKU :COC26981
AuthorKonrad Mebert
LanguageEnglish
BindingPaperback
Number of Pages196
Publishing Year2010-09-02T00:00:00.000
ISBN978-3639218060
Edition1 st
Book TypeBiology, life sciences
Country of ManufactureIndia
Product BrandVDM Verlag Dr. Müller
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-07-29 00:00:00
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