A test for within-lake niche differentiation in the nine-spined sticklebacks (Pungitius pungitius)

Specialization for the use of different resources can lead to ecological speciation. Accordingly, there are numerous examples of ecologically specialized pairs of fish species in postglacial lakes. Using a polymorphic panel of single nucleotide variants, we tested for genetic footprints of within-la...

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Bibliographic Details
Published in:Ecology and Evolution
Main Authors: Calboli, Federico C. F., Byström, Pär, Merilä, Juha
Other Authors: Biosciences
Format: Article in Journal/Newspaper
Language:English
Published: Wiley 2016
Subjects:
Ecological speciation
Gasterosteidae
habitat differentiation
niche
SNP
stickleback
PAIRWISE RELATEDNESS
ADAPTIVE RADIATION
POPULATION-STRUCTURE
MOLECULAR MARKERS
EXPLOSIVE SPECIATION
WHITEFISH COREGONUS
ARCTIC CHARR
F-STATISTICS
HABITAT USE
1181 Ecology
evolutionary biology
Arctic
Arctic charr
Online Access:http://hdl.handle.net/10138/167623
Description
Summary:Specialization for the use of different resources can lead to ecological speciation. Accordingly, there are numerous examples of ecologically specialized pairs of fish species in postglacial lakes. Using a polymorphic panel of single nucleotide variants, we tested for genetic footprints of within-lake population stratification in nine-spined sticklebacks (Pungitius pungitius) collected from three habitats (viz. littoral, benthic, and pelagic) within a northern Swedish lake. Analyses of admixture, population structure, and relatedness all supported the conclusion that the fish from this lake form a single interbreeding unit. Peer reviewed

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