Abstract
Heavy metal (silver, arsenic, cadmium, copper, mercury, lead, and zinc) concentrations were analyzed in feathers of nestling great tits (Parus major) collected along a pollution gradient. Differences in metal concentrations along the gradient and inter- and intraclutch variability were investigated. In the immediate vicinity of the pollution source, feathers of nestling great tits contained significantly higher concentrations of silver, arsenic, mercury, and lead than at the sites further along the gradient. The concentrations of copper and zinc, two essential metals, were significantly lower at the second most polluted site. There was no significant difference in cadmium concentrations among sites. Most metals, except cadmium, were significantly positively correlated with each other. There was a significant amount of interclutch variability in feather metal concentrations, and they differed significantly among sites. The amount of inter- and intraclutch variability did not differ significantly, although intraclutch variability of most metals was markedly high. Our study indicates that feathers of great tit nestlings could be used as bioindicators of metal pollution, but attention should be paid in designing representative sampling procedures.
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Received: 2 July 2001/Accepted: 25 March 2002
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Janssens, E., Dauwe, T., Bervoets, L. et al. Inter- and Intraclutch Variability in Heavy Metals in Feathers of Great Tit Nestlings (Parus major) Along a Pollution Gradient. Arch. Environ. Contam. Toxicol. 43, 0323–0329 (2002). https://doi.org/10.1007/s00244-002-0138-2
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DOI: https://doi.org/10.1007/s00244-002-0138-2