Epiphytic Diatoms along Environmental Gradients in Western European Shallow Lakes

Saul Blanco, Cristina Cejudo-Figueiras, Irene Alvarez-Blanco, Ellen van Donk, Elisabeth M. Gross, Lars-Anders Hansson, Kenneth Irvine, Erik Jeppesen, Timo Kairesalo, Brian Moss, Tiina Noges, Eloy Becares

Research output: Contribution to journalArticlepeer-review

22 Citations (SciVal)

Abstract

Diatom-based assays have been successfully associated worldwide with the tropic status of lakes. Several studies have demonstrated a correlation between epiphytic diatoms and nutrient load in shallow lakes and wetlands. We examine the relative importance of environmental factors in explaining the structure of epiphytic diatom communities in a set of Western European shallow lakes. The effects of lake physical/chemical, morphometric, and geographical variables on diatom assemblages were tested using distance-based, canonical correspondence and regression analyses. Our results show that epiphytic diatom communities respond, mainly to physical/chemical variables, overriding the effects of lake depth, size, and location. The clustering of studied systems based along a total phosphorus concentration gradient concurs with previous classification of diatom taxa and nutrient state. Assessment of epiphytic diatoms provided a potential method for shallow lake classification.
Original languageEnglish
Pages (from-to)229-235
JournalClean - Soil, Air, Water
Volume42
Issue number3
DOIs
Publication statusPublished - 2014

Subject classification (UKÄ)

  • Ecology

Keywords

  • Bacillariophyta
  • Bioindication
  • European shallow lakes
  • Eutrophication
  • Total phosphorus

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