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Birds As Monitors of Environmental Change. (1993)

Furness, R. W.

Dordrecht :Springer Netherlands,

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Schlagwort(e): Birds-Ecology. ; Electronic books.

Materialart: Online-Ressource

Seiten: 1 online resource (365 pages)

Ausgabe: 1st ed.

ISBN: 9789401513227

URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6700386

DDC: 598.25

Sprache: Englisch

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The role of eggs in mercury excretion by Quail Coturnix coturnix and the implications for monitoring mercury pollution by analysis of feathers (1993)

Lewis, S. A. ; Furness, R. W.

Springer

Ecotoxicology 2 (1993), S. 55-64

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ISSN: 1573-3017

Schlagwort(e): mercury ; eggs ; feathers ; quail ; dose-response

Quelle: Springer Online Journal Archives 1860-2000

Thema: Energietechnik

Notizen: This paper describes differences in the excretion of methyl mercury between male and female Quail Coturnix coturnix after a single dose. Since feathers are often used to monitor mercury pollution it is important to take into account biases in feather mercury levels that may arise as a result of mercury loss through egg-laying. Evidence is presented to support the use of bird eggs to sample for environmental mercury contamination. Birds were monitored up to twelve weeks after administration. Mercury concentrations in the kidney exceeded those in the liver which exceeded those in the pectoral muscle. Significant differences in mercury levels between male and female birds were found up to eight weeks after administration. Mercury was initially distributed through most of the internal tissues and was lost relatively slowly in a negative exponential manner. Mercury loss through excretion differed between the sexes for the first eight weeks after mercury administration. Initial mercury concentration in eggs was 3.5 μg g-1 but no mercury was detected in eggs five weeks after the dose was administered. At this point over 40% of the females' intake had been lost into the eggs.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00058214

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