Anthropogenic organic contaminants in water, sediments and benthic organisms of the mangrove-fringed Segara Anakan Lagoon, Java, Indonesia |
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Authors: | Dsikowitzky Larissa Nordhaus Inga Jennerjahn Tim C Khrycheva Polina Sivatharshan Yoganathan Yuwono Edy Schwarzbauer Jan |
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Institution: | a Leibniz Center for Tropical Marine Ecology (ZMT), Fahrenheitstraße 6, 28359 Bremen, Germany b University of Bremen, Bibliothekstraße 1, 28359 Bremen, Germany c Universitas Jenderal Soedirman (UNSOED), Jln. HR. Boenyamin No. 708, Purwokerto, Central Java, Indonesia d Institute for Geology and Geochemistry of Petroleum and Coal, RWTH Aachen University, Lochnerstraße 4-20, 52056 Aachen, Germany |
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Abstract: | Segara Anakan, a mangrove-fringed coastal lagoon in Indonesia, has a high diversity of macrobenthic invertebrates and is increasingly affected by human activities. We found >50 organic contaminants in water, sediment and macrobenthic invertebrates from the lagoon most of which were polycyclic aromatic compounds (PACs). Composition of PACs pointed to petrogenic contamination in the eastern lagoon. PACs mainly consisted of alkylated PAHs, which are more abundant in crude oil than parent PAHs. Highest total PAC concentration in sediment was above reported toxicity thresholds for aquatic invertebrates. Other identified compounds derived from municipal sewage and also included novel contaminants like triphenylphosphine oxide. Numbers of stored contaminants varied between species which is probably related to differences in microhabitat and feeding mode. Most contaminants were detected in Telescopium telescopium and Polymesoda erosa. Our findings suggest that more attention should be paid to the risk potential of alkylated PAHs, which has hardly been addressed previously. |
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Keywords: | Segara Anakan Lagoon Mangrove macrobenthos Petrogenic contamination Alkylated PAHs Triphenylphosphine oxide Telescopium telescopium |
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