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Title: Biological responses to environmental contamination. How can metal pollution impact signal honesty in avian species?
Authors: Pacyna, Aneta Dorota
Ruman, Marek
Mazerski, Jan
Polkowska, Żaneta
Keywords: carotenoids; feather; melanin; pigments; trace elements
Issue Date: 2018
Citation: Ecology and Evolution, Vol. 8, Iss. 15 (2018), s. 7733-7739
Abstract: Environmental pollution, for example with metals, can significantly affect the ecosystem balance leading to severe changes. Biologically active pigments are relevant for the appearance and condition of birds. Melanin and carotenoid particles are the most frequently deposited pigments in avian integument. They are responsible for the majority of colors of bird plumage. The phenotypic expression can be affected by metal contamination. It can be manifested as color bleaching or differences in the size of plumage badges. In this study, we performed a comprehensive review of related studies in order to estimate the underlying population effect of this potential dependency. The study is based on the review of the literature regarding several avian species. It was designed to identify an area where the effect of the exposure is still poorly known. The analysis was specifically conducted to investigate the correlation between trace element concentration and eumelanin deposition. Moreover, we searched for factors that could affect spectral properties of feathers with carotenoid-based pigmentation. As a result, we found carotenoid-based pigmentation to be of a good use in terms of visual condition assessment. Changes in melanin-based pattern should be analyzed separately for eu- and pheomelanin as well as for a range of essential and toxic elements. Comprehensive studies on the subject are still scarce. Therefore, the issue requires further investigation.
DOI: 10.1002/ece3.4192
ISSN: 2045-7758
Appears in Collections:Artykuły (WNP)

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