Open WL Archief (OWA)

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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

Dit archief wordt uitgebouwd en beheerd volgens de principes van de Open Access Movement, en het daaruit ontstane Open Archives Initiative.

Basisinformatie over ‘Open Access to scholarly information'.

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Combining monitoring data and modeling identifies PAHs as emerging contaminants in the Arctic De Laender, F.; Hammer, J.; Hendriks, A.J.; Soetaert, K.; Janssen, C.R. (2011). Combining monitoring data and modeling identifies PAHs as emerging contaminants in the Arctic. Environ. Sci. Technol. 45(20): 9024-9029. dx.doi.org/10.1021/es202423f In: Environmental Science and Technology. American Chemical Society: Easton. ISSN 0013-936X; e-ISSN 1520-5851, meer

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Beschikbaar in	Auteurs
VLIZ: Open Marine Archive 229257 [ download pdf ]

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Trefwoorden

Arctic environment Contaminants Modelling Monitoring Polyaromatic hydrocarbons Marien/Kust

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Auteurs		Top
De Laender, F., meer Hammer, J. Hendriks, A.J., meer	Soetaert, K., meer Janssen, C.R., meer

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Abstract

Protecting Arctic ecosystems against potential adverse effects from anthropogenic activities is recognized as a top priority. In particular, understanding the accumulation and effects of persistent organic pollutants (POPs) in these otherwise pristine ecosystems remains a scientific challenge. Here, we combine more than 20 000 tissue concentrations, a food web bioaccumulation model, and time trend analyses to demonstrate that the concentrations of legacy-POPs in the Barents/Norwegian Sea fauna decreased 10-fold between 1985 and 2010, which reflects regulatory efforts to restrict these substances. In contrast, concentrations of fossil fuel derived PAHs in lower trophic levels (invertebrates and fish) increased 10 to 30 fold over the past 25 years and now dominate the summed POP burden (25 POPs, including 11 PAHs) in these biota. Before 2000, PCBs dominated the summed POP burden in top predators. Our findings indicate that the debate on the environmental impacts of fossil fuel burning should move beyond the expected seawater temperature increase and examine the possible environmental impact of fossil fuel derived PAHs.

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