Beavers indicate metal pollution away from industrial centers in northeastern Poland.
Environ Sci Pollut Res Int
; 22(5): 3969-75, 2015 Mar.
Article
en En
| MEDLINE
| ID: mdl-25369919
Heavy metals are persistent environmental contaminants, and wild animals are increasingly exposed to the harmful effects of compounds of anthropogenic origin, even in areas distant from industrial centers. We used atomic absorption spectrometry to determine levels of cadmium (Cd), lead (Pb), copper (Cu), and zinc (Zn) in liver and kidney of wild Eurasian beavers (Castor fiber) in Poland. Cd concentrations in liver (0.21 ± 0.44 µg/g) and in kidney (2.81 ± 4.52 µg/g) were lower in juvenile than in adult beavers. Pb concentrations in liver (0.08 ± 0.03 µg/g) and kidney (0.08 ± 0.03 µg/g) were similar among all individuals, while both Cu and Zn levels were higher in liver (Cu 9.2 ± 4.5 µg/g; Zn 35.7 ± 3.5 µg/g) than in kidney (Cu 3.7 ± 1.1 µg/g; Zn 21.5 ± 2.7 µg/g). Cu levels also differed between juveniles and adults. We reviewed the literature reporting metal concentrations in beavers. Our results indicate metal contamination in beavers away from important industrial emission sources and suggest the natural environment should be regularly monitored to ensure their levels are below recommended, legal values.
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Roedores
/
Monitoreo del Ambiente
/
Metales Pesados
/
Riñón
/
Hígado
Límite:
Animals
País/Región como asunto:
Europa
Idioma:
En
Revista:
Environ Sci Pollut Res Int
Asunto de la revista:
SAUDE AMBIENTAL
/
TOXICOLOGIA
Año:
2015
Tipo del documento:
Article
Pais de publicación:
Alemania