The effects of clove oil on coral: an experimental evaluation using Pocillopora damicornis (Linnaeus)
Frisch, Ashley J., Ulstrup, Karin E., and Hobbs, Jean-Paul A. (2007) The effects of clove oil on coral: an experimental evaluation using Pocillopora damicornis (Linnaeus). Journal of Experimental Marine Biology and Ecology, 345 (2). pp. 101-109.
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Clove oil solution (10% clove oil, 90% ethanol) is an anaesthetic that is widely used to catch demersal fish on coral reefs. This study assessed the effects of clove oil solution on colonies of Pocillopora damicornis, a cosmopolitan reef coral. In the laboratory, low concentrations (0.5 ppt) of clove oil solution had no effect on coral colour or photosynthetic efficiency, irrespective of exposure time (1–60 min). Corals treated with high concentrations (50 ppt) of clove oil solution died immediately, including those that were exposed briefly (1 min). Intermediate concentrations (5 ppt) of clove oil solution produced variable results: a 1 min exposure had no effect, a 10 min exposure caused bleaching and reduced photosynthetic efficiency, and a 60 min exposure caused total mortality. To validate these observations, clove oil solution was applied to corals in situ. Sixty-three days after application, corals treated with 10 ml of clove oil solution appeared to be unaffected. It was concluded that (1) limited amounts of clove oil solution are unlikely to harm this coral, and (2) clove oil solution may represent an 'eco-friendly' alternative to cyanide for use in the live reef-fish trade.
|Item Type:||Article (Refereed Research - C1)|
|Keywords:||anaesthetic; clove oil; coral; eugenol; live reef-fish trade; Pocillopora damicornis|
|FoR Codes:||06 BIOLOGICAL SCIENCES > 0606 Physiology > 060604 Comparative Physiology @ 100%|
|SEO Codes:||83 ANIMAL PRODUCTION AND ANIMAL PRIMARY PRODUCTS > 8301 Fisheries - Aquaculture > 830199 Fisheries - Aquaculture not elsewhere classified @ 100%|
|Deposited On:||22 Jul 2009 14:33|
|Last Modified:||23 May 2013 00:27|
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|Citation Counts with External Providers:||Web of Science: 7|
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