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Toxicity bioassays on epiphyte populations attached to silica mimes at subtidal locations

AuthorsCrespo, Elena; Lozano, Pablo; Blasco, Julián ; Moreno-Garrido, Ignacio
KeywordsToxicity Bioassays
Issue DateSep-2012
CitationXII Congresso Brasileiro de Ecotoxicologia (2012)
AbstractDevices consisting in thermic-silica sealed silica tubes sustained by bamboo sticks (mimes) were stuck on subtidal position in the Rio San Pedro, a marine branch of the Cadiz Bay. After incubation (28 or 56 days), mimes were covered of epiphytes, mainly green algae and tube-forming fouling pennate, motile diatoms. Tubes with epiphytes were transferred to laboratory conditions and exposed to selected conentrations of Cu, Irgarol and Atrazine. Pigment content, dry weight and surface average covering after 72 hours exposition for mimes were compared with controls. Surface covering does not show signifficant differences between controls and treated mimes, but differences in chlorophyll contents and dry weight were found.
DescriptionTrabajo presentado en el XII Congresso Brasileiro de Ecotoxicologia. celebrado en Porto de Galihnas (Brasil) del 25 al 28 de septiembre de 2012.
Appears in Collections:(ICMAN) Comunicaciones congresos
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