Low oxygen pressure as a driving factor for the altitudinal decline in taxon richness of stream macroinvertebrates

  title={Low oxygen pressure as a driving factor for the altitudinal decline in taxon richness of stream macroinvertebrates},
  author={D. Jacobsen},
  • D. Jacobsen
  • Published 2007
  • Biology, Medicine
  • Oecologia
  • The objective of this study was to explore the altitudinal decrease in local richness of stream macroinvertebrates. I compared the explicatory power of a mid-domain effect (MDE) null model and a number of selected contemporary ecological variables, with a special emphasis on the altitude-mediated decrease in temperature and oxygen availability as possible driving factors for the observed pattern. Benthic macroinvertebrates were sampled at 30 stream sites between 2,600 and 4,000 m a.s.l. in… CONTINUE READING
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