scholarly journals Migratory divides coincide with reproductive barriers across replicated avian hybrid zones above the Tibetan Plateau

2019 ◽  
Vol 23 (2) ◽  
pp. 231-241 ◽  
Author(s):  
Elizabeth S. C. Scordato ◽  
Chris C. R. Smith ◽  
Georgy A. Semenov ◽  
Yu Liu ◽  
Matthew R. Wilkins ◽  
...  
Keyword(s):  
Tibetan Plateau ◽  
The Tibetan Plateau ◽  
Hybrid Zones ◽  
Reproductive Barriers

scholarly journals Migratory divides coincide with species barriers across replicated avian hybrid zones above the Tibetan Plateau

2019 ◽  
Author(s):  
Elizabeth S.C. Scordato ◽  
Chris C.R. Smith ◽  
Georgy A. Semenov ◽  
Yu Liu ◽  
Matthew R. Wilkins ◽  
...  
Keyword(s):  
Tibetan Plateau ◽  
Reproductive Isolation ◽  
Migratory Behavior ◽  
The Tibetan Plateau ◽  
Hybrid Zones ◽  
Reproductive Barriers ◽  
Barn Swallow ◽  
Relative Contribution ◽  
Migratory Divide ◽  
Migratory Phenotype

AbstractMigratory divides are proposed to be catalysts for speciation across a diversity of taxa. However, the relative contribution of migratory behavior to reproductive isolation is difficult to test. Comparing reproductive isolation in hybrid zones with and without migratory divides offers a rare opportunity to directly examine the contribution of divergent migratory behavior to reproductive barriers. We show that across replicate sampling transects of two pairs of barn swallow (Hirundo rustica) subspecies, strong reproductive isolation coincided with an apparent migratory divide spanning 20 degrees of latitude. A third subspecies pair exhibited no evidence for a migratory divide and hybridized extensively. Within migratory divides, migratory phenotype was associated with assortative mating, implicating a central contribution of divergent migratory behavior to reproductive barriers. The remarkable geographic coincidence between migratory divides and genetic breaks supports a longstanding hypothesis that the Tibetan Plateau is a substantial barrier contributing to the diversity of Siberian avifauna.

Warming patterns over the Tibetan Plateau and adjacent lowlands derived from elevation- and bias‑corrected ERA-Interim data

2014 ◽  
Vol 58 (3) ◽  
pp. 235-246 ◽  
Author(s):  
L Gerlitz ◽  
O Conrad ◽  
A Thomas ◽  
J Böhner
Keyword(s):  
Tibetan Plateau ◽  
The Tibetan Plateau
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