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Author (up) De la Iglesia, R.; Valenzuela-Heredia, D.; Andrade, S.; Correa, J.; Gonzalez, B. pdf  doi
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  Title Composition dynamics of epilithic intertidal bacterial communities exposed to high copper levels Type Journal Article
  Year 2012 Publication Fems Microbiology Ecology Abbreviated Journal FEMS Microbiol. Ecol.  
  Volume 79 Issue 3 Pages 720-727  
  Keywords copA; copper; epilithic bacteria; intertidal rocky shore; T-RFLP  
  Abstract Copper has a dual role for organisms, both as micronutrient and toxic element. Copper mining activities have an enormous ecological impact because of the extraction process and the consequent release of copper-containing waste materials to the environment. In northern Chile, mainly in the Chanaral coastal area, this phenomenon is clearly evident. The released waste material has caused a strong modification of the area, and copper enrichment of beaches and rocky shores has provoked a decrease in the richness and diversity of many species of macroorganisms. However, the effects that copper enrichment has on microbial (e.g. bacterial epilithic) communities associated with the rocky shore environment are poorly understood. Using a culture-independent molecular approach, field sampling and laboratory microcosm experiments, we determined the effects of copper enrichment on bacterial communities inhabiting the rocky shore environment. Field samples showed a strong effect of copper on the structure of the natural bacterial epilithic communities, and microcosm experiments demonstrated rapid changes in bacterial community when copper is added, and reversibility of this effect within 48 h after copper is removed.  
  Address [Gonzalez, Bernardo] Univ Adolfo Ibanez, Fac Ingn & Ciencias, Santiago 7941169, Chile, Email: bernardo.gonzalez@uai.cl  
  Corporate Author Thesis  
  Publisher Wiley-Blackwell Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0168-6496 ISBN Medium  
  Area Expedition Conference  
  Notes WOS:000299257300014 Approved no  
  Call Number UAI @ eduardo.moreno @ Serial 192  
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