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A macroalgal germling bioassay to assess biocide concentrations in marine waters

Girling, JA and Thomas, KV and Brooks, SJ and Smith, DJ and Shahsavari, E and Ball, AS (2015) 'A macroalgal germling bioassay to assess biocide concentrations in marine waters.' Marine Pollution Bulletin, 91 (1). 82 - 86. ISSN 0025-326X

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Abstract

© 2014 Elsevier Ltd. A bioassay method using the early life stages (germlings) of macroalgae was developed to detect toxicity of anti-fouling paint biocides. A laboratory based bioassay using Ulva intestinalis and Fucus spiralis germlings was performed with 4 common anti-fouling biocides (tributyltin (TBT), Irgarol 1051, Diuron and zinc sulphate), over a range of environmentally relevant concentrations (0.0033-10μgl-1). Comparison between the two species showed that germlings of U. intestinalis were better adapted for in-situ monitoring, as germlings of F. spiralis appeared to be too robust to display sufficient growth differences. The response of U. intestinalis germling growth appeared to reflect environmental biocide concentrations. Overall the developed method showed potential for the assessment of the sub-lethal effects of anti-fouling biocides on the early developmental stages of U. intestinalis.

Item Type: Article
Subjects: G Geography. Anthropology. Recreation > GC Oceanography
G Geography. Anthropology. Recreation > GE Environmental Sciences
Divisions: Faculty of Science and Health > Life Sciences, School of
Depositing User: Jim Jamieson
Date Deposited: 14 Apr 2015 15:36
Last Modified: 14 Oct 2019 17:21
URI: http://repository.essex.ac.uk/id/eprint/13527

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