Chemical pollution on coral reefs: Exposure and ecological effects

van Dam, Joost W., Negri, Andrew P., Uthicke, Sven and Mueller, Jochen F. (2011). Chemical pollution on coral reefs: Exposure and ecological effects. In Francisco Sanchez-Bayo, Paul J. van den Brink and Reinier M. Mann (Ed.), Ecological impacts of toxic chemicals (pp. 187-211) Amsterdam, Netherlands: Bentham Science Publishers.

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Name Description MIMEType Size Downloads
Author van Dam, Joost W.
Negri, Andrew P.
Uthicke, Sven
Mueller, Jochen F.
Title of chapter Chemical pollution on coral reefs: Exposure and ecological effects
Title of book Ecological impacts of toxic chemicals
Place of Publication Amsterdam, Netherlands
Publisher Bentham Science Publishers
Publication Year 2011
Sub-type Research book chapter (original research)
ISBN 9781608051212
Editor Francisco Sanchez-Bayo
Paul J. van den Brink
Reinier M. Mann
Volume number 1
Chapter number 9
Start page 187
End page 211
Total pages 25
Total chapters 11
Collection year 2012
Language eng
Abstract/Summary In this chapter we review the effects of anthropogenically derived chemical pollutants on tropical coral reef ecosystems. A wide range of compounds, including pesticides, trace metals and petroleum hydrocarbons enter reef systems through various pathways and affect different reef species and/or life history stages. Tools for evaluation of chemical stress on coral reefs consist of molecular, biochemical, physiological and ecological bioindicators, providing information at organismal or community levels. This chapter collates and assesses available information on different chemical stressors in the marine environment and the effects on reef-building corals. Ecological effects from chemical stressors are strongly dependent on exposure characteristics. Three probable pollution scenarios are discussed and their individual properties evaluated. Short-term, pulse-like pollution events including oil spills or antifoulant deposition through ship groundings often have a direct and severe impact upon multiple trophic levels of the system. However, these events are typically localised and possibly irrelevant on an ecosystem-wide scale. In contrast, recurring pollution events such as input from river floods or chronic pollution from land runoff (e.g. sewage treatment effluent or herbicides), may exert subtle effects on lower trophic levels of the system, affecting species fitness and driving adaptation. Effects from recurring or chronic pollution are more likely to combine and interact with other environmental factors, but remain poorly understood. Over time, chronic sub-lethal stress may decrease resilience of reef organisms to other forms of environmental stress like elevated sea surface temperatures and ocean acidification.
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Created: Fri, 21 Oct 2011, 12:17:31 EST by Robyne Anderson on behalf of National Res Centre For Environmental Toxicology