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A novel bioassay fo...
A novel bioassay for evaluating the efficacy of biocides to inhibit settling and early establishment of marine biofilms
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- Arrhenius, Åsa, 1973 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences
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- Backhaus, Thomas, 1967 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences
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- Hilvarsson, Annelie, 1978 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences
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- Wendt, Ida, 1981 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences
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Zgrundo, Aleksandra (author)
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- Blanck, Hans, 1950 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences
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(creator_code:org_t)
- Elsevier BV, 2014
- 2014
- English.
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In: Marine Pollution Bulletin. - : Elsevier BV. - 0025-326X. ; 87:1-2, s. 292-299
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https://doi.org/10.1...
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Abstract
Subject headings
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- This paper presents a novel assay that allows a quick and robust assessment of the effects of biocides on the initial settling and establishment of marine photoautotrophic biofilms including the multitude of indigenous fouling organisms. Briefly, biofilms are established in the field, sampled, comminuted and re-settled on clean surfaces, after 72 h chlorophyll a is measured as an integrating endpoint to reflect both settling and growth. Eight antifoulants were used to evaluate the assay. Efficacy ranking, based on EC98 values from most to least efficacious compound is: copper pyrithione > TPBP > DCOIT > tolylfluanid > zinc pyrithione > medetomidine > copper (Cu2+), while ecotoxicological ranking (based on EC10 values) is irgarol, copper pyrithione > zinc pyrithione > TPBP > tolylfluanid > DCOIT > copper (Cu2+)>medetomidine. The algaecide irgarol did not cause full inhibition. Instead the inhibition leveled out at 95% effect at 30 nmol l−1, a concentration that was clearly lower than for any other of the tested biocides.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Environmental Sciences (hsv//eng)
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
Keyword
- Photoautotrophic biofilm; Microfouling; Periphyton; Slime; Ecotoxicology; Antifouling biocides
Publication and Content Type
- ref (subject category)
- art (subject category)
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