Phytoplankton species predictability increases towards warmer regions

C. Kruk, A.M. Segura, E.T.H.M. Peeters, V.L.M. Huszar, L.S. Costa, S. Kosten, G. Lacerot, M. Scheffer

Research output: Contribution to journalArticleAcademicpeer-review

12 Citations (Scopus)


We explored systematic patterns in predictability of phytoplankton species from 83 lakes over a gradient ranging from subpolar to tropical regions in South America. We estimated the explained variance (proxy of predictability) of the presence and biomass (estimated as biovolume) of species using multiple regressions from commonly measured environmental variables such as nutrient levels, light, mixing depth, temperature, and zooplankton biomass. Both the presence and biomass of species occurring at least in 10 lakes were quite well predicted from the environmental variables, with average values of 35% and 58%, respectively. Predictability was not systematically related to phylogenetic affiliation or particular functional groups as defined by morphology. However, biomass predictability decreased with increasing occurrence, and improved with larger species size (maximum linear dimension). Species that were predictable in terms of biomass (R-2 >= 0.5, p
Original languageEnglish
Pages (from-to)1126-1135
JournalLimnology and Oceanography
Issue number4
Publication statusPublished - 2012


  • latitudinal diversity gradient
  • fresh-water phytoplankton
  • multispecies competition
  • community
  • plankton
  • classification
  • biodiversity
  • disturbance
  • limitation
  • dispersal

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