Biodiversity of insects at a microsite, 'Evolution Canyon', Nahal Oren, Mt. Carmel, Israel. Coleoptera: Tenebrionidae

Vladimír Chikatunov, Martin Lillig, Tomáš Pavlíček, Leon Blaustein, Eviatar Nevo

Research output: Contribution to journalArticlepeer-review


Spatial microscale adaptive divergence was demonstrated in darkling beetles (Tenebrionidae) between the south-facing slope (SFS) and north-facing slope (NFS) at Lower Nahal Oren, Mt. Carmel, Israel. Both slopes share the same geology and macroclimate, but dramatically differ in microclimate. We identified 42 species and 34 genera of darkling beetles from a microsite. Species, genera richness and abundance were significantly higher on the warmer, drier, climatically more fluctuating and biotically more heterogeneous SFS. The data indicate that the species on the more xeric SFS have on average a smaller range than those on the more temperate NFS, as predicted by Rapoport's rule.

Original languageEnglish
Pages (from-to)367-377
Number of pages11
JournalJournal of Arid Environments
Issue number2
StatePublished - Oct 1997

Bibliographical note

Funding Information:
For financial support for this research we thank the Ministry of Science for grants 1426 and 4147 (to E. Nevo and L. Blaustein), the Israeli Discount Bank Chair of Evolutionary Biology, and the Ancell-Teicher Research Foundation for Genetics and Molecular Evolution.


  • Evolution
  • Israel
  • Microgeography
  • Rapoport's rule
  • Tenebrionidae

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Earth-Surface Processes


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