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1 September 2008 Organochlorine Pesticides and Polychlorinated Biphenyl Congeners in Lanner Falco biarmicus feldeggii Schlegel Chicks and Lanner Prey in Sicily, Italy
Paola Movalli, Mario Lo Valvo, M. Glória Pereira, Daniel Osborn
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Abstract

This paper reports on research conducted to elucidate the risk posed to the Sicilian population of the endangered lanner falcon Falco biarmicus feldeggii Schlegel by organochlorine (OC) pesticides and polychlorinated biphenyls (PCBs), as part of a wider study on contaminant risk to the lanner. Seventeen lanner nest sites were studied in northern and central Sicily. Sampling (in 2005) and analysis were carried out for selected OC pesticides and PCB congeners in lanner chick blood (15 chicks from 6 nest sites) and in two of the main lanner prey species, magpie Pica pica (36 individuals from 6 lanner nest sites) and rock dove Columba livia (10 individuals from 2 lanner nest sites). No OC and PCB residues were found in lanner chick blood above the detection limits, except for one solitary congener PCB153 (21.8 ng g−1 wet weight), suggesting that these contaminants do not pose a significant risk to lanner chicks in the study area. Magpie and dove appeared mostly free of contamination with OC pesticides, though contamination levels were significantly higher in magpie than in dove. The presence of exceptional DDE and HEOD values in ∼8% of the P. pica sample, and one P. pica sample showing recent DDT contamination, may indicate a local OC pesticide hazard to some lanner. Future research to further elucidate the contaminant risk to lanner in Sicily is suggested.

Paola Movalli, Mario Lo Valvo, M. Glória Pereira, and Daniel Osborn "Organochlorine Pesticides and Polychlorinated Biphenyl Congeners in Lanner Falco biarmicus feldeggii Schlegel Chicks and Lanner Prey in Sicily, Italy," AMBIO: A Journal of the Human Environment 37(6), 445-451, (1 September 2008). https://doi.org/10.1579/0044-7447(2008)37[445:OPAPBC]2.0.CO;2
Published: 1 September 2008
JOURNAL ARTICLE
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