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The effect of copper exposure on a simple aquatic food chain
Real, M.; Muñoz, I.; Guasch, H.; Navarro, E.; Sabater, S. (2003). The effect of copper exposure on a simple aquatic food chain. Aquat. Toxicol. 63(3): 283-291
In: Aquatic Toxicology. Elsevier Science: Tokyo; New York; London; Amsterdam. ISSN 0166-445X, more
Peer reviewed article  

Available in  Authors 

Keywords
    Algae; Biofilms; Copper; Grazing; Periphyton; Stagnicola vulnerata; MED, Spain, Catalonia [Marine Regions]; Marine

Authors  Top 
  • Real, M.
  • Muñoz, I., correspondent
  • Guasch, H.
  • Navarro, E.
  • Sabater, S.

Abstract
    The effect of copper (44 μg l-1) on a simple food chain was studied using indoor experimental channels to identify the changes in periphyton community (metabolism, chlorophyll a content, abundance, composition and lipid and protein content) and in herbivore (Stagnicola vulnerata) growth rate and reproduction. The algal community was sensitive to copper at the beginning but differences between treatments were not significant during the experiment. However, copper affected growth rate, reproduction and embryo hatching on snails. These results indicate that the effects on snails are more sensitive endpoints in assessing sublethal copper toxicity than effects on periphyton.

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