High genetic load in an old isolated butterfly population.

  title={High genetic load in an old isolated butterfly population.},
  author={Anniina L K Mattila and Anne Duplouy and Malla Kirjokangas and Rainer Lehtonen and Pasi Rastas and Ilkka Hanski},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={109 37},
We investigated inbreeding depression and genetic load in a small (N(e) ∼ 100) population of the Glanville fritillary butterfly (Melitaea cinxia), which has been completely isolated on a small island [Pikku Tytärsaari (PT)] in the Baltic Sea for at least 75 y. As a reference, we studied conspecific populations from the well-studied metapopulation in the Åland Islands (ÅL), 400 km away. A large population in Saaremaa, Estonia, was used as a reference for estimating genetic diversity and N(e). We… CONTINUE READING
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