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Identifying pathways of exposure to highway pollutants in great crested newt (Triturus cristatus) road mitigation tunnels: Exposure pathways of highway pollutants to Triturus cristatus

White, Katie J.; Mayes, William M.; Petrovan, Silviu O.

Authors

Katie J. White

Silviu O. Petrovan



Abstract

Road mitigation tunnels are increasingly deployed for amphibians but very little is known about chemical pollution in such schemes. We assessed pollution pressures associated with road runoff at a major great crested newt mitigation scheme in England. Sediments and waters in the mitigation system were analysed for major physico-chemical parameters, trace metals and total petroleum hydrocarbons and compared to a nearby reference site. Seven out of eight tested metals including copper, zinc, lead and iron were in significantly greater concentrations in the tunnels than at a reference site and at environmentally significant concentrations. Water samples also exhibited elevated concentrations of aluminium and chromium and occasionally extreme alkaline pH associated with leaching of portlandite in tunnel cements. High conductivity values in waters and sediments corresponding with seasonal de-icing salt application were also apparent. The study highlights the potential pollutant pressures for amphibians associated with large-scale urban development and road mitigation schemes.

Journal Article Type Article
Publication Date 2017-08
Journal Water and environment journal
Print ISSN 1747-6585
Electronic ISSN 1747-6593
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 31
Issue 3
Pages 310-316
APA6 Citation White, K. J., Mayes, W. M., & Petrovan, S. O. (2017). Identifying pathways of exposure to highway pollutants in great crested newt (Triturus cristatus) road mitigation tunnels: Exposure pathways of highway pollutants to Triturus cristatus. Water and environment journal : the journal / the Chartered Institution of Water and Environmental Management, 31(3), 310-316. https://doi.org/10.1111/wej.12244
DOI https://doi.org/10.1111/wej.12244
Keywords Environmental engineering; Pollution; Management; Monitoring; Policy and law; Water science and technology
Publisher URL http://onlinelibrary.wiley.com/doi/10.1111/wej.12244/abstract
Copyright Statement © 2018 The University of Hull
Additional Information This is the accepted manuscript of an article published in Water and environment journal, 2017. The version of record is available at the DOI link in this record.

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