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| Content Provider | Springer Nature Link |
|---|---|
| Author | Lutz, Walburga Slamečka, J. |
| Copyright Year | 1997 |
| Abstract | Aus den Jahren 1990 bis 1994 kamen aus der Slowakei von 196 und aus Deutschland von 243 Feldhasen die Organe Leber und Nieren zur Untersuchung auf die Blei- und Cadmiumgehalte. Sowohl die Bleials auch die Cadmiumgehalte sind bei Feldhasen aus Deutschland signifikant höher als bei Hasen aus der Slowakei (Tab. 1). Sowohl bezüglich des Alters als auch des Geschlechtes wurden für Blei in den Organen keine signifikanten Unterschiede ermittelt (Tab. 2 und 3). Altersbedingte Unterschiede sind signifikant für die Cadmiumbelastung der Feldhasen aus der Slowakei (Tab. 4) und für die Nieren weiblicher adulter Feldhasen ebenfalls aus der Slowakei (Tab. 5 und 6). Die Tendenz des höheren Cadmiumgehaltes bei Häsinnen ist auch im Untersuchungsgut aus Nordrhein-Westfalen, Deutschland, sichtbar und wird mit einem möglichen Kalziummmangel, verursacht durch Gravidität und Laktation, erklärt (Tab. 7).Über den fünfjährigen Zeitraum wird für Hasen in der Slowakei ein Anstieg der Blei- und Cadmiumgehalte bis 1992 und danach ein Absinken beobachtet, für Hasen aus Deutschland von 1990 bis 1994 ein Absinken der Blei- und Cadmiumwerte mit einem Einpendeln auf vergleichbarem Niveau in den Jahren 1993 und 1994 (Tab. 8).Feldhasen aus Deutschland zeigen sowohl in den landwirtschaftlich genutzten Gebieten als auch in den Industriegebieten signifikant höhere Bleibelastungen als die Feldhasen aus den Vergleichgsgebieten der Slowakei (Tab. 9). Bezüglich der Cadmiumbelastung unterscheiden sich die beiden Vergleichsregionen in der Slowakei und in Deutschland besteht kein Unterschied. Gleiche Cadmiumbelastung weisen die Nieren der Feldhasen aus den Industrieregionen der Slowakei und Deutschlands auf.From 1990 to 1994 the kidneys and livers of 196 brown hares from Slovakia and 243 from Germany were investigated for their concentrations of lead and cadmium. The lead as well as cadmium concentrations among brown hares in Germany are significantly higher than those of hares from Slovakia (Table 1). No significant differences in lead concentrations were determined for the parameters age and sex (Tables 2, 3). Age related differences are significant for the cadmium concentrations among the brown hares from Slovakia (Table 4), and for the kidneys of female adult hares also from Slovakia (Table 5, 6). The tendency for a higher cadmium concentration among female hares was also evident for the investigation area of Northrhine-Westfalia, Germany. A possible explanation for this could be a calcium deficit caused by gravidity and lactation (Table 7). During this 5 year period an increase in the lead and cadmium concentrations among brown hares in Slovakia was observed until 1992 after which these decreased. In comparison hares from Germany showed a decrease in the lead and cadmium values during this time with about comparable levels in 1993 and 1994 (Table 8). Brown hares from agriculturally as well as industrially used areas in Germany show a significantly higher concentration of lead than those from the comparable areas in Slovakia (Table 9). The farming versus industrial areas in Slovakia show differences in regard to the cadmium concentration, while in Germany there is no difference between these. The kidneys of brown hares from the industrial regions of Slovakia as well as Germany show similar levels of cadmium concentration.De 1990 à 1994, 196 et 243 foies et reins de Lièvre provenant respectivement de Slovaquie et d'Allemagne ont été soumis à analyse en ce qui concerne leur teneur en Plomb et Cadmium. Aussi bien les teneurs en Plomb qu'en Cadmium sont significativement plus élevées en Allemagne qu'en Slovaquie (Tabl. 1). En ce qui concerne le Plomb, aucune différence significative n'a été observée en fonction de l'âge ou du sexe (Tabl. 2 et 3). Des différences significatives ont par contre été enregistrées en fonction de l'âge en ce qui concerne la teneur en Cadmium des lièvres slovaques. (Tableau 4) ainsi qu'en ce qui concerne les reins des hases adultes provenant également de Slovaquie (Tabl. 5 et 6). La tendance à présenter de hautes teneurs en Cadmium se retrouve aussi dans le site expérimental allemand de Rhénanie-Westphalie; on l'explique par un déficit éventuel en Calcium, lié à la gravidité et à la lactation (Tabl. 7).Au cours de la période de 5 ans, une augmentation des teneurs en Plomb et en Cadmium a été observée chez le Lièvre en Slovaquie jusqu'en 1992, suivie d'une diminution. Pour le Lièvre en Allemagne, une diminution se manifeste de 1990 à 1994 pour le Plomb et le Cadmium avec une oscillation autour d'un même niveau dans les années 1993 et 1994 (Tabl. 8).Les lièvres allemands montrent aussi bien dans les territories agricoles que dans les territoires industrialisés des charges significativement plus élevées en Plomb que les lièvres de territoires comparables de Slovaquie (Tabl. 9). En ce qui concerne la charge en Cadmium, on ne constate pas de différence entre les régions comparables de Slovaquie et d'Allemagne. La charge en Cadmium observée au niveau des reins chez le Lièvre ne présente pas de différences entre les régions industrialisées de Slovaquie et d''Allemagne. |
| Starting Page | 176 |
| Ending Page | 185 |
| Page Count | 10 |
| File Format | |
| ISSN | 00442887 |
| Journal | European Journal of Wildlife Research |
| Volume Number | 43 |
| Issue Number | 3 |
| e-ISSN | 14390574 |
| Language | French |
| Publisher | Springer-Verlag |
| Publisher Date | 1997-01-01 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Animal Ecology Zoology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology Animal Science and Zoology |
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