Biogeographic Patterns of Finnish Crane Flies (Diptera, Tipuloidea)

  title={Biogeographic Patterns of Finnish Crane Flies (Diptera, Tipuloidea)},
  author={J. Salmela},
  journal={Psyche: A Journal of Entomology},
  • J. Salmela
  • Published 2012
  • Biology
  • Psyche: A Journal of Entomology
Species richness of terrestrial and freshwater biota generally decreases with increasing latitude. Some taxa, however, show an anomalous species richness pattern in a regional or global scale. The aim of this study was to examine (i) regional variation in species richness, (ii) faunistic composition, (iii) occupancy, and (iv) proportions of different distribution types of Finnish crane flies. Analyses were based on incidence data pooled into 20 biogeographical provinces. Finnish crane fly fauna… Expand

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