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Overgaard Nielsen, Christian & Rune Dietz
Heavy metals in Greenland seabirds

1989, 26 s., hft.
Illustreret
19 x 26,5 cm
ISBN 978-87-635-1196-4
Serie: Monographs on Greenland | Meddelelser om Grønland, vol. 267
ISSN 0025-6676
Serie: Bioscience, vol. 29
ISSN 0106-1054



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From six Greenland districts we report the concentration of Zn, Cd, Hg and Se in muscle (pectoral), liver and kidney for 320 seabirds of the following species: Cepphus grylle, Uria lomvia, Clangula hyemalis, Mergus serrator, Larus glaucoides, L. hyperboreus, Rissa tridactyla, Pagophila eburnea, Fulmarus glacialis, Phalacrocorax carbo and Stercorarius pomarinus. Concentration vary widely within species. Yearlings are low in Cd and Hg. Concentrations tend to increase with age. No significant differences between sexes were found.

On a wet weight basis, the Zn concentration in liver and kidney is c. three times that of muscle. Gulls and the fulmar possess significantly more Zn in muscle than do other seabirds. The Cd concentration in liver and kidney is c. 20 and 80 times higher than in muscle, whereas the Hg concentration in liver and kidney is three to five times higher than that of muscle. The Se concentration in liver and kidney is c. five times the muscle concentration. Muscle, liver and kidney concentration tend to correlate positively for Cd, Hg and Se. For Zn only liver and kidney concentrations correlate mutually.

On a molar basis, the three organs of all species have a large excess of Se over Hg. he intra-organ association of elements is strongest for Zn and Cd in liver and kidney, and for Hg and Se generally.

All four elements show consistently higher concentrations in birds from NW and NE Greenland than in those from S Greenland. For C. grylle from Avanersuaq, NW Greenland, the Cd concentration is twice that of birds from S Greenland, the difference being highly significant. Hg concentrations are not significantly different.

 
Emneområde | Arktiske studier |
Emneord | Fugle |
Specifikt emneord | Forurening | Havfugle | Tungmetaller |
Verdensdel m.v. | Grønland |
Sprog | Engelsk |

Indhold

Introduction
Materials and methods
Results and discussion
Acknowledgements
References
Appendices

 
Samtlige udgivelser på forlaget med -

Rune Dietz som redaktør

Studies of white whales (Delphinapterus leucas) and narwhals (Monodon monoceros) in Greenland and adjacent waters
1994, ISBN 978-87-635-1226-8, indb
Studies of white whales (Delphinapterus leucas) and narwhals (Monodon monoceros) in Greenland and adjacent waters
1994, ISBN 978-87-635-1226-8, indb

Rune Dietz som forfatter

Zinc, cadmium, mercury and selenium in Greenland fish
1997, ISBN 978-87-635-1244-2, hft
Zinc, cadmium, mercury and selenium in Greenland fish
1997, ISBN 978-87-635-1244-2, hft
Historical and present distribution, abundance and exploitation of Atlantic walruses (Odobenus rosmarus rosmarus L.) in eastern Greenland
1997, ISBN 978-87-635-1242-8, hft
Historical and present distribution, abundance and exploitation of Atlantic walruses (Odobenus rosmarus rosmarus L.) in eastern Greenland
1997, ISBN 978-87-635-1242-8, hft
 


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Observations on waders (Charadriidae) at Scoresby Sund, East Greenland     Bosman, C. A. W., J. de Korte & Hans Meltofte et al.
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Biology of the peregrine and gyrfalcon in Greenland     Burnham, William A. & William G. Mattox
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