Monitoring of heavy metal burden in wild birds at eastern/north-eastern part of Hungary

被引:0
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作者
Adrienn Grúz
János Déri
Géza Szemerédy
Korinna Szabó
Éva Kormos
András Bartha
József Lehel
Péter Budai
机构
[1] University of Pannonia,Department of Hygiene, Institution for Plant Protection, Georgikon Faculty
[2] Bird Hospital Foundation,Department of Food Hygiene
[3] University of Veterinary Medicine,Department of Animal Hygiene, Herdhealth and Veterinary Ethology
[4] University of Veterinary Medicine,undefined
关键词
Environmental contaminants; Heavy metals; Birds; Feathers; Monitoring; Pollution;
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中图分类号
学科分类号
摘要
Concentrations of different heavy metals (As, Cd, Cr, Cu, Hg, Pb, Zn) were examined in the contour feathers of long-eared owl (Asio otus), little owl (Athene noctua), tawny owl (Strix aluco), barn owl (Tyto alba), Eurasian sparrowhawk (Accipiter nisus), rook (Corvus frugilegus), hooded crow (Corvus cornix), carrion crow (Corvus corone), common buzzard (Buteo buteo) and barn swallow (Hirundo rustica). The samples were collected from the Hortobágyi Madárpark (Bird Hospital Foundation) in Hungary. The bird species were classified into six groups based on their nourishment. Feathers were analysed by inductively coupled plasma optical emission spectroscopy (ICP-OES). The aim of our study was to determine the concentration of the above-mentioned heavy metals in the six different groups and to compare them by the groups, to find a possible connection between the concentrations and the age of birds and to get some information about the heavy metal burden of the environment. The highest As concentration was measured in little owl (0.65 ± 0.56 mg/kg). The highest Cd, Cr and Pb concentration was found in the feathers of barn swallow (0.13 ± 0.06 mg/kg; 1.69 ± 0.44 mg/kg; 5.36 ± 1.46 mg/kg), while the highest Cu and Hg concentration (65.45 ± 17.66 mg/kg; 2.72 ± 1.08 mg/kg) in sparrowhawk feathers and the highest Zn concentration in owls (157.21 ± 57.3 mg/kg). Statistically significant difference has been determined between the juvenile and adult crows in the case of Cd (p = 0.011). The higher concentration was measured in adults (0.14 ± 0.04 mg/kg) than that in juveniles (0.08 ± 0.02 mg/kg). Based on our results, the examined area is not contaminated by these heavy metals on that level, which can cause any adverse effect or poisoning in birds, so this region is safe to wildlife.
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页码:6378 / 6386
页数:8
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