Climate change and sexual size dimorphism in an Arctic spider.

  title={Climate change and sexual size dimorphism in an Arctic spider.},
  author={Toke T H\oye and J{\"o}rg U Hammel and Thomas Fuchs and S\oren Toft},
  journal={Biology letters},
  volume={5 4},
Climate change is advancing the onset of the growing season and this is happening at a particularly fast rate in the High Arctic. However, in most species the relative fitness implications for males and females remain elusive. Here, we present data on 10 successive cohorts of the wolf spider Pardosa glacialis from Zackenberg in High-Arctic, northeast Greenland. We found marked inter-annual variation in adult body size (carapace width) and this variation was greater in females than in males… CONTINUE READING