Publication: Metal concentrations in feathers of red-legged cormorants (Phalacrocorax gaimardi) and sources of plastic in a nesting colony from northern Chile
Authors
García Cegarra, Ana M. ; Martínez-López, Emma
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Publisher
Elsevier
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DOI
https://doi.org/10.1016/j.marpolbul.2023.114817
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info:eu-repo/semantics/article
Description
© 2023 Elsevier Ltd. This document is the Published Manuscript version of a Published Work that appeared in final form in Marine Pollution Bulletin. To access the final edited and published work see https://doi.org/10.1016/j.marpolbul.2023.114817
Abstract
Mining industry is increasing the concentrations of heavy metals in coastal ecosystems of northern Chile. The presence of plastic in the nests of red-legged cormorants could be acting as a vector of metal presence in their organism. Here we analyze the source of plastic in the nests of cormorants by characterizing the abundance and type of marine debris in beaches and sea surface and the concentrations of eight metals in their feathers. Plastic was present in overall sampled nests and floating and beach debris are not the main sources of plastic to the nests. Overall analyzed metals were present in the cormorants in the following order: Zn > Cu > Se > Pb > Cd > As > Hg > Cr and Se, Cd and Pb concentrations were above the toxic limit. Further studies should investigate the potential adverse effects that plastics and metals presence may cause in this nesting colony.
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Citation
Marine Pollution Bulletin, 2023, Vol. 190 : 114817
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1-ene-2999
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