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Author (up) Bui Tan Anh url  doi
  Title Indirect effects of zinc on soil microbes via a keystone enchytraeid species Type Journal Article
  Year 2001 Publication Environmental Toxicology and Chemistry Abbreviated Journal  
  Volume 20 Issue 6 Pages 1167-1174  
  Abstract Effects of Zn pollution on a keystone species of forest soils, the enchytraeid Cognettia sphagnetorum, and its consequent indirect effects on microbial biomass and activity were studied in a microcosm experiment using experimentally contaminated humic soil. Microbial growth and decomposition were enhanced in the presence of C. sphagnetorum. At high Zn concentrations (<2,393 mg/kg dry soil), populations of C. sphagnetorum weht extinct, resulting in negative indirect effects on microbial activity as measured by soil respiration. Results indicate that pollution may affect species interactions in a soil food web and indirectly affect ecosystem processes such as decomposition rate. Effects of pollution on keystone organisms may radically alter soil ecosystem functioning and should be taken into account during risk-assessment procedures.  
  Corporate Author Janne Salminen, Cornelis A. M. van Gestel Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Biology @ biology @ Serial 847  
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