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Future needs and recommendations in the development of species sensitivity distributions : estimating toxicity thresholds for aquatic ecological communities and assessing impacts of chemical exposures.

Belanger, Scott and Barron, Mace and Craig, Peter and Dyer, Scott and Galay-Burgos, Malyka and Hamer, Mick and Marshall, Stuart and Posthuma, Leo and Raimondo, Sandy and Whitehouse, Paul (2016) 'Future needs and recommendations in the development of species sensitivity distributions : estimating toxicity thresholds for aquatic ecological communities and assessing impacts of chemical exposures.', Integrated environmental assessment and management., 13 (4). pp. 664-674.

Abstract

A species sensitivity distribution (SSD) is a probability model of the variation of species sensitivities to a stressor, in particular chemical exposure. The SSD approach has been used as a decision support tool in environmental protection and management since the 1980s, and the ecotoxicological, statistical, and regulatory basis and applications continue to evolve. This article summarizes the findings of a 2014 workshop held by the European Centre for Toxicology and Ecotoxicology of Chemicals and the UK Environment Agency in Amsterdam, The Netherlands, on the ecological relevance, statistical basis, and regulatory applications of SSDs. An array of research recommendations categorized under the topical areas of use of SSDs, ecological considerations, guideline considerations, method development and validation, toxicity data, mechanistic understanding, and uncertainty were identified and prioritized. A rationale for the most critical research needs identified in the workshop is provided. The workshop reviewed the technical basis and historical development and application of SSDs, described approaches to estimating generic and scenario-specific SSD-based thresholds, evaluated utility and application of SSDs as diagnostic tools, and presented new statistical approaches to formulate SSDs. Collectively, these address many of the research needs to expand and improve their application. The highest priority work, from a pragmatic regulatory point of view, is to develop a guidance of best practices that could act as a basis for global harmonization and discussions regarding the SSD methodology and tools.

Item Type:Article
Full text:(AM) Accepted Manuscript
First Live Deposit - 21 February 2017
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1002/ieam.1841
Publisher statement:This is the accepted version of the following article: Belanger, S., Barron, M., Craig, P., Dyer, S., Galay-Burgos, M., Hamer, M., Marshall, S., Posthuma, L., Raimondo, S. and Whitehouse, P. (2016), Future needs and recommendations in the development of species sensitivity distributions: Estimating toxicity thresholds for aquatic ecological communities and assessing impacts of chemical exposures. Integrated Environmental Assessment and Management, which has been published in final form at https://doi.org/10.1002/ieam.1841. This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.
Record Created:21 Feb 2017 10:43
Last Modified:01 Oct 2017 00:53

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