Journal
MARINE POLLUTION BULLETIN
Volume 119, Issue 1, Pages 195-203Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2017.03.055
Keywords
Trace elements; Fluttering shearwater; Little shearwater; Common diving petrel contaminants; New Zealand
Funding
- New Zealand's Ministry of Business, Innovation and Employment's Mauriora ki nga Oi [C09X0509]
- Te Hiringa Tangata Ki Tai Pari Ki Tai Timu (Bicultural restoration of coastal forest ecosystems) [C09X0908]
- Landcare Research, NZ Ltd.
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Our objective was to measure the concentrations of Hg, As, Cd, Co, Cr, Cu, Pb, Sb, V and Zn in the body feathers of grey-faced petrel (Pterodroma gouldi), fluttering shearwater (Puffinus gavia), little shearwater (Puffinus assimilis) and common diving petrel (Pelecanoides urinatrix) from breeding colonies in New Zealand between 2006 and 2013. The mean Hg concentration (36,48 ppm; SD = 9.59) in grey-faced petrel feathers was approximately 8.5 to 14 times that detected in the other three species sampled. We detected no trend or differences in Hg concentrations in grey-faced petrels over the 8 years of this study, but Hg concentrations varied between breeding colonies although there was no strong relationship with latitude. The elevated Hg concentrations detected in grey faced petrels could pose a risk to the breeding performance of grey-faced petrels and the customary harvest of chicks by Maori (New Zealand's indigenous peoples). (C) 2017 The Authors. Published by Elsevier Ltd.
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