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Microsatellite markers for the Arctic copepod Calanus glacialis and cross-amplification with C. finmarchicus
Weydmann, A.; Coelho, N.C.; Ramos, A.A.; Serrão, E.A.; Pearson, G.A. (2014). Microsatellite markers for the Arctic copepod Calanus glacialis and cross-amplification with C. finmarchicus. Conservation Genetics Resources 6(4): 1003-1005. https://hdl.handle.net/10.1007/s12686-014-0269-6
In: Conservation Genetics Resources. Springer: Dordrecht. ISSN 1877-7252; e-ISSN 1877-7260, more
Peer reviewed article  

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Keywords
    Climate Change
    Environmental Managers & Monitoring
    Marine Sciences > Marine Genomics
    Policy Makers / Decision Makers
    Scientific Community
    Scientific Publication
    Marine
Author keywords
    Calanus; Zooplankton; Microsatellites; Population genetics; Geneticdiversity

Project Top | Authors 
  • Association of European marine biological laboratories, more

Authors  Top 
  • Weydmann, A.
  • Coelho, N.C.
  • Ramos, A.A.
  • Serrão, E.A.
  • Pearson, G.A.

Abstract
    Calanus glacialis is a major component of Arctic zooplankton and a keystone species in Arctic marine ecosystems. Due to the observed climate warming, its numbers are being reduced to the advantage of a sibling Atlantic species Calanus finmarchicus. We developed and characterized the first set of microsatellite markers in this species to investigate its population genetic structure and dispersal capabilities. Nine polymorphic loci displayed an average of 7.3 alleles (range between 2 and 13) and the levels of expected heterozygosity ranged from 0.039 to 0.806. These provide a valuable tool to understand present connectivity patterns across Arctic regions, look for signatures of past climate effects and predict the response to future climate-driven environmental changes. Additionally, due to the cross-amplification with C. finmarchicus, the markers can be used to discriminate between these sibling species.

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