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Citation for Study 15660

Citation title: "Niche filling slows the diversification of Himalayan songbirds".

Study name: "Niche filling slows the diversification of Himalayan songbirds".

This study is part of submission 15660 (Status: Published).

Citation

Price T.D., Hooper D., Buchanan C., Johansson U., Tietze D., Alstr?m P., Olsson U., Ghosh M., Ishtiaq F., Gupta S.K., Martens J., Harr B., Singh P., & Mohan D. 2014. Niche filling slows the diversification of Himalayan songbirds. Nature, .

Authors

• Price T.D.
• Hooper D.
• Buchanan C.
• Johansson U.
• Tietze D. +49 6241 6944571
• Alstr?m P.
• Olsson U.
• Ghosh M.
• Ishtiaq F.
• Gupta S.K.
• Martens J.
• Harr B.
• Singh P.
• Mohan D.

Abstract

Speciation generally involves a three-step process?range expansion, range fragmentation and the development of reproductive isolation between spatially separated populations. Ongoing speciation relies on cycling through these three steps and each may limit the rate at which new species form. Here, we estimate phylogenetic relationships among all Himalayan songbirds to ask if the development of reproductive isolation and/or ecological competition, both factors that limit range expansions, set an ultimate limit on speciation. Based on a phylogeny for all 358 species distributed along the eastern elevational gradient, we show that body size and shape differences evolved early in the radiation, with the elevational band occupied by a species evolving later. These results are consistent with competition for niche space limiting species accumulation. Even the elevation dimension appears to be approaching ecological saturation, as closest relatives both inside the assemblage and elsewhere in the Himalayas are on average old (>5My separated), which is longer than it generally takes for reproductive isolation to be completed and elevational distributions are well explained by resources, notably the abundance of arthropods, and not by differences in diversification rates in different elevational zones. Our results imply that speciation rate is ultimately set by niche filling, rather than the rate of acquisition of reproductive isolation.

Keywords

Himalaya, Passerines, Non-Passerines

External links

About this resource

• Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S15660
• Other versions: Nexus NeXML
• Show BibTeX reference

  		@ARTICLE{TreeBASE2Ref23086,
  	 author = {Trevor D Price and Daniel  Hooper and Caitlyn  Buchanan and Ulf  Johansson and Dieter Thomas  Tietze and Per  Alstr?m and Urban  Olsson and mousumi  ghosh and Farah  Ishtiaq and Sandeep K Gupta and Jochen  Martens and Bettina  Harr and Pratap  Singh and Dhananjai  Mohan},
  	 title = {Niche filling slows the diversification of Himalayan songbirds},
  	 year = {2014},
  	 keywords = {Himalaya, Passerines, Non-Passerines},
  	 doi = {},
  	 url = {http://},
  	 pmid = {},
  	 journal = {Nature},
  	 volume = {},
  	 number = {},
  	 pages = {},
  	 abstract = {Speciation generally involves a three-step process?range expansion, range fragmentation and the development of reproductive isolation between spatially separated populations. Ongoing speciation relies on cycling through these three steps and each may limit the rate at which new species form. Here, we estimate phylogenetic relationships among all Himalayan songbirds to ask if the development of reproductive isolation and/or ecological competition, both factors that limit range expansions, set an ultimate limit on speciation. Based on a phylogeny for all 358 species distributed along the eastern elevational gradient, we show that body size and shape differences evolved early in the radiation, with the elevational band occupied by a species evolving later. These results are consistent with competition for niche space limiting species accumulation. Even the elevation dimension appears to be approaching ecological saturation, as closest relatives both inside the assemblage and elsewhere in the Himalayas are on average old (>5My separated), which is longer than it generally takes for reproductive isolation to be completed and elevational distributions are well explained by resources, notably the abundance of arthropods, and not by differences in diversification rates in different elevational zones. Our results imply that speciation rate is ultimately set by niche filling, rather than the rate of acquisition of reproductive isolation. }
  }
  		

• Show RIS reference

  		TY  - JOUR
  ID  - 23086
  AU  - Price,Trevor D
  AU  - Hooper,Daniel 
  AU  - Buchanan,Caitlyn 
  AU  - Johansson,Ulf 
  AU  - Tietze,Dieter Thomas 
  AU  - Alstr?m,Per 
  AU  - Olsson,Urban 
  AU  - ghosh,mousumi 
  AU  - Ishtiaq,Farah 
  AU  - Gupta,Sandeep K
  AU  - Martens,Jochen 
  AU  - Harr,Bettina 
  AU  - Singh,Pratap 
  AU  - Mohan,Dhananjai 
  T1  - Niche filling slows the diversification of Himalayan songbirds
  PY  - 2014
  KW  - Himalaya
  KW  - Passerines
  KW  - Non-Passerines
  UR  - http://dx.doi.org/
  N2  - Speciation generally involves a three-step process?range expansion, range fragmentation and the development of reproductive isolation between spatially separated populations. Ongoing speciation relies on cycling through these three steps and each may limit the rate at which new species form. Here, we estimate phylogenetic relationships among all Himalayan songbirds to ask if the development of reproductive isolation and/or ecological competition, both factors that limit range expansions, set an ultimate limit on speciation. Based on a phylogeny for all 358 species distributed along the eastern elevational gradient, we show that body size and shape differences evolved early in the radiation, with the elevational band occupied by a species evolving later. These results are consistent with competition for niche space limiting species accumulation. Even the elevation dimension appears to be approaching ecological saturation, as closest relatives both inside the assemblage and elsewhere in the Himalayas are on average old (>5My separated), which is longer than it generally takes for reproductive isolation to be completed and elevational distributions are well explained by resources, notably the abundance of arthropods, and not by differences in diversification rates in different elevational zones. Our results imply that speciation rate is ultimately set by niche filling, rather than the rate of acquisition of reproductive isolation. 
  L3  - 
  JF  - Nature
  VL  - 
  IS  - 
  ER  -