The Wharf Roach, Ligia sp., A Novel Indicator of Polycyclic Aromatic Hydrocarbon Contamination in Coastal Areas

Masato Honda, Xuchun Qiu, Jiro Koyama, Seiichi Uno, Suzanne Lydia Undap, Yohei Shimasaki, Yuji Oshima

研究成果: ジャーナルへの寄稿記事

1 引用 (Scopus)

抄録

We investigated polycyclic aromatic hydrocarbon (PAH) pollution of the intertidal and supratidal zone using the wharf roach (Ligia sp.) as a novel environmental indicator. PAH and alkylated PAH (alkPAH) concentrations in wharf roaches collected from nine sampling sites on the central and northern coast of Japan in November 2011 were analyzed. Total alkPAH concentrations were higher than those of PAHs at all sampling sites. Seven sampling sites had relatively low total concentrations of PAHs and alkPAHs (57.7–130 and 276–770 ng/g-dry, respectively); they included sites in Miyagi Prefecture (St. 5 and 9) that were seriously damaged by the Great East Japan Earthquake and by the following Tsunami on 11 March 2011. Two sampling sites (St. 2: Kominato, Aomori Prefecture; St. 3: Usushiri, Hokkaido) had higher concentrations of total PAHs and alkPAHs (PAHs, 1025 and 591 ng/g-dry, respectively; alkPAHs, 1490 and 1160 ng/g-dry, respectively). Diagnostic ratio calculation showed that St. 2 and 3 had PAHs of pyrolytic origin, possibly from vehicle exhaust gas or industrial fuel combustion, or both. The concentrations of these pollutants in the wharf roach were similar to those in bivalves and therefore likely reflected PAH pollution at the collection sites. The wharf roach may be a suitable candidate indicator of PAH pollution, not only in the intertidal zone inhabited by the currently used bivalve indicators, but also in the supratidal zone.

元の言語英語
ジャーナルInternational Journal of Environmental Research
12
発行部数1
DOI
出版物ステータス出版済み - 3 1 2018

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PAH
sampling
pollution
bivalve
indicator
coastal area
contamination
environmental indicator
intertidal environment
tsunami
combustion
earthquake
pollutant
coast

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)

これを引用

The Wharf Roach, Ligia sp., A Novel Indicator of Polycyclic Aromatic Hydrocarbon Contamination in Coastal Areas. / Honda, Masato; Qiu, Xuchun; Koyama, Jiro; Uno, Seiichi; Undap, Suzanne Lydia; Shimasaki, Yohei; Oshima, Yuji.

:: International Journal of Environmental Research, 巻 12, 番号 1, 01.03.2018.

研究成果: ジャーナルへの寄稿記事

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abstract = "We investigated polycyclic aromatic hydrocarbon (PAH) pollution of the intertidal and supratidal zone using the wharf roach (Ligia sp.) as a novel environmental indicator. PAH and alkylated PAH (alkPAH) concentrations in wharf roaches collected from nine sampling sites on the central and northern coast of Japan in November 2011 were analyzed. Total alkPAH concentrations were higher than those of PAHs at all sampling sites. Seven sampling sites had relatively low total concentrations of PAHs and alkPAHs (57.7–130 and 276–770 ng/g-dry, respectively); they included sites in Miyagi Prefecture (St. 5 and 9) that were seriously damaged by the Great East Japan Earthquake and by the following Tsunami on 11 March 2011. Two sampling sites (St. 2: Kominato, Aomori Prefecture; St. 3: Usushiri, Hokkaido) had higher concentrations of total PAHs and alkPAHs (PAHs, 1025 and 591 ng/g-dry, respectively; alkPAHs, 1490 and 1160 ng/g-dry, respectively). Diagnostic ratio calculation showed that St. 2 and 3 had PAHs of pyrolytic origin, possibly from vehicle exhaust gas or industrial fuel combustion, or both. The concentrations of these pollutants in the wharf roach were similar to those in bivalves and therefore likely reflected PAH pollution at the collection sites. The wharf roach may be a suitable candidate indicator of PAH pollution, not only in the intertidal zone inhabited by the currently used bivalve indicators, but also in the supratidal zone.",
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