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Digitale Medien

Microclimate of the nest and egg water loss of the Eider Somateria mollissima and other waterfowl in Spitsbergen (1983)

RAHN, HERMANN ; KROG, JOHN ; MEHLUM, FRIDTJOF

Oxford, UK : Blackwell Publishing Ltd

Polar research 1 (1983), S. 0

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ISSN: 1751-8369

Quelle: Blackwell Publishing Journal Backfiles 1879-2005

Thema: Geographie , Geologie und Paläontologie

Notizen: Temperature gradients in the nest and within the egg. nest humidity as well as eggshell conductance and rate of egg water loss of the Eider Somateria mollissima and other waterfowl were studied at Ny-Alesund. Spitsbergen (78°55'N latitude). These studies suggest a specific interrelationship between eggshell conductance and maintenance of an appropriate temperature and humidity environment of the nest, resulting in an egg water loss rate which is optimal for hatching success. In spite of low ambient temperatures of less than 3°C and very low absolute humidities of less than 4 torr (similar to those found in hot deserts). the nest's microclimate and rate of water loss were similar to those reported for nests and eggs in temperate climates.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1111/j.1751-8369.1983.tb00701.x

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