Aliphatic hydrocarbons in Great Barrier Reef organisms and environment |
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| Affiliation: | 1. Department of Biotechnology, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran;2. Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences Shiraz, Iran;3. Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran;1. Department of Chemistry, Payame Noor University (PNU), P.O. Box 19395-3697, Tehran, Iran;2. Laboratory of Analytical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece;3. Department of Mathematics, Payame Noor University (PNU), P.O. Box 19395-3697, Tehran, Iran;4. Center of Excellence in Electrochemistry, Faculty of Chemistry, University of Tehran, P.O. Box 14155-6455, Tehran, Iran;5. Biosensor Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran;1. Japan Sea National Fisheries Research Institute, Fisheries Research Agency, 1-5939-22 Suido-cho, Niigata 951-8121, Japan;2. Marine Fishery Resources Development and Management Department, Southeast Asian Fisheries Development Center, Taman Perikanan, Chendearing, 21080 Kuala Terengganu, Terengganu, Malaysia;3. Seikai National Fisheries Research Institute, Fisheries Research Agency, 1551-8 Taira, Nagasaki 851-2213, Japan;4. Aquaculture Department, Southeast Asian Fisheries Development Center, Tigbauan, 5021 Iloilo, Philippines;1. Department of Environmental Engineering, National Chung Hsing University, Taichung, Taiwan, ROC;2. Department of Chemical Engineering, National Chung Hsing University, 250 Kuo-Kuang Road, Taichung, Taiwan, ROC |
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| Abstract: | This investigation was undertaken to assess the chemical nature, occurrence, and possible origin of petroleum hydrocarbons in the Great Barrier Reef ecosystem. Aliphatic hydrocarbons in surface sediments, water, and a suite of seven species from widely separated coral reefs in the Great Barrier Reef area were analysed by gas chromatography, and by gas chromatography coupled with mass spectrometry. The hydrocarbons found were substantially of biogenic origin. The major components were n-pentadecane, n-heptadecane, pristane and mono-alkenes based on heptadecane, and were believed to originate from benthic algae and phytoplankton. There was no evidence to suggest that lipid content had any influence on hydrocarbon content. Hydrocarbons from the organisms and sediments have characteristic composition patterns which would be altered by the presence of petroleum hydrocarbons. An unresolved complex mixture, usually considered indicative of petroleum contamination, was found in greater than trace amounts only in Holothuria (sea cucumber) and Acropora (coral) from the Capricorn Group, and in some sediment samples from the Capricorn Group and Lizard Island area. |
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