Stroke frequencies of emperor penguins diving under sea ice

Stroke frequencies of emperor penguins diving under sea ice

During diving, intermittent swim stroke patterns, ranging from burst/coast locomotion to prolonged gliding, represent potential energy conservation mechanisms that could extend the duration of aerobic metabolism and, hence, increase the aerobic dive limit (ADL, dive duration associated with onset of...

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Veröffentlicht in:Journal of experimental biology 2002-12, Vol.205 (Pt 24), p.3769-3774
Hauptverfasser: van Dam, R P, Ponganis, P J, Ponganis, K V, Levenson, D H, Marshall, G
Format: Artikel
Sprache:eng
Schlagworte:
Animals
Antarctic Regions
Aptenodytes forsteri
Birds - physiology
Diving - physiology
Energy Metabolism
Ice
Marine
Seawater
Statistics as Topic
Swimming - physiology
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Zusammenfassung:During diving, intermittent swim stroke patterns, ranging from burst/coast locomotion to prolonged gliding, represent potential energy conservation mechanisms that could extend the duration of aerobic metabolism and, hence, increase the aerobic dive limit (ADL, dive duration associated with onset of lactate accumulation). A 5.6 min ADL for emperor penguins had been previously determined with lactate measurements after dives of
ISSN:0022-0949
1477-9145
DOI:10.1242/jeb.205.24.3769