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Keywords: Overwintering
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Journal Articles
JEB: 100 years of discovery
J Exp Biol (2023) 226 (4): jeb245329.
Published: 28 February 2023
... that trigger entry into diapause remain unclear. Likewise, at high latitudes, we have a poor understanding of the environment's role in regulating overwintering dormancy. There are some indications that such dormancies are more akin to quiescence than to diapause, but this has not been vigorously investigated...
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Journal Articles
J Exp Biol (2012) 215 (17): 3126–3134.
Published: 1 September 2012
...Peter A. Zani; Jason T. Irwin; Mary E. Rollyson; Jessica L. Counihan; Sara D. Healas; Emily K. Lloyd; Lee C. Kojanis; Bernard Fried; Joseph Sherma SUMMARY Climate change is causing winters to become milder (less cold and shorter). Recent studies of overwintering ectotherms have suggested...
Journal Articles
J Exp Biol (2007) 210 (10): 1687–1699.
Published: 15 May 2007
...Johannes Overgaard; Hans Gesser; Tobias Wang SUMMARY Freshwater turtles overwintering in ice-covered ponds in North America may be exposed to prolonged anoxia, and survive this hostile environment by metabolic depression. Here, we review their cardiovascular function and regulation, with particular...
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Journal Articles
J Exp Biol (1999) 202 (5): 609–622.
Published: 1 March 1999
...Glenn J. Tattersall; Robert G. Boutilier ABSTRACT At the low temperatures of the overwintering environment of the frog Rana temporaria , small changes in ambient temperature have large effects on metabolism and behaviour, especially since Q 10 values are often greatly elevated in the cold. How...
Journal Articles
J Exp Biol (1997) 200 (6): 1031–1038.
Published: 15 March 1997
...G. J. Tattersall; R. G. Boutilier ABSTRACT Many animals respond to hypoxic stress by selecting cooler environments, the so-called ‘behavioural hypothermia’ response. Amphibians overwintering in ice-covered ponds and lakes offer an ecologically relevant test of this response since they must choose...
Journal Articles
J Exp Biol (1997) 200 (2): 387–400.
Published: 15 January 1997
... of complete O 2 lack. Many overwintering amphibians do, however, tolerate prolonged bouts of severe hypoxia, relying exclusively on cutaneous gas exchange. Rana temporaria overwintering for 2 months in hypoxic water ( approximately 25 mmHg) at 3 °C progressively reduce their blood to levels characteristic...