Stable isotope analysis of a newly established macrofaunal food web 1.5 years after the Hebei Spirit oil spill
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Title
- Stable isotope analysis of a newly established macrofaunal food web 1.5 years after the Hebei Spirit oil spill
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Author(s)
- Han, Eunah; Park, Hyun Je; Bergamino, Leandro; Choi, Kwang-Sik; Choy, Eun Jung; Yu, Ok Hwan; Lee, Tae Won; Park, Heung-Sik; Shim, Won Joon; Kang, Chang-Keun
- KIOST Author(s)
- Yu, Ok Hwan(유옥환); Park, Heung Sik(박흥식); Shim, Won Joon(심원준)
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Alternative Author(s)
- 유옥환; 박흥식; 심원준
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Publication Year
- 2015-01-15
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Abstract
- We examined trophic relationships in a newly established community 1.5 years after the Hebei Spirit oil spill on the west coast of Korea. Carbon and nitrogen stable isotope ratios in consumers and their potential food sources were compared between the oil-spill site and reference site, located 13.5 km from the oil-spill spot. The isotopic mixing model and a novel circular statistics rejected the influx of petrogenic carbon into the community and identified spatial consistencies such as the high contributions of microphytobenthos, food-chain length, and the isotopic niche of each feeding guild between sites. We suggested that high level of trophic plasticity and the prevalence of omnivory of consumers may promote the robustness of food web against the oil contamination. Furthermore, we highlighted the need of holistic approaches including different functional groups to quantify changes in the food web structure and assess the influence of different perturbations including oil spill. (C) 2014 Elsevier Ltd. All rights reserved.
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ISSN
- 0025-326X
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/2551
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DOI
- 10.1016/j.marpolbul.2014.10.054
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Bibliographic Citation
- MARINE POLLUTION BULLETIN, v.90, no.1-2, pp.167 - 180, 2015
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Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
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Subject
- WATER-HORIZON OIL; AROMATIC-HYDROCARBONS; MARINE-SEDIMENTS; MICROBIAL-DEGRADATION; SOURCE IDENTIFICATION; CARBON ISOTOPES; NITROGEN; FRACTIONATION; OMNIVORY; RATIOS
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Keywords
- Circular statistics; Feeding guild; Omnivory; The Herbei Spirit oil spill; Trophic plasticity; Stable isotope
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Type
- Article
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Language
- English
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Document Type
- Article
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