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	1.	Activity patterns in mammals: Circadian dominance challenged. [electronic resource] by Hazlerigg, David G Tyler, Nicholas J C Producer: 20200124 In: PLoS biology vol. 17 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Nonlinear effects of climate and density in the dynamics of a fluctuating population of reindeer. [electronic resource] by Tyler, Nicholas J C Forchhammer, Mads C Øritsland, Nils Are Producer: 20081028 In: Ecology vol. 89 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	A circadian clock is not required in an arctic mammal. [electronic resource] by Lu, Weiqun Meng, Qing-Jun Tyler, Nicholas J C Stokkan, Karl-Arne Loudon, Andrew S I Producer: 20100702 In: Current biology : CB vol. 20 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Adaptations for life in the Arctic: evidence that melatonin rhythms in reindeer are not driven by a circadian oscillator but remain acutely sensitive to environmental photoperiod. [electronic resource] by Stokkan, Karl-Arne van Oort, Bob E H Tyler, Nicholas J C Loudon, Andrew S I Producer: 20071212 In: Journal of pineal research vol. 43 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Where clocks are redundant: weak circadian mechanisms in reindeer living under polar photic conditions. [electronic resource] by van Oort, Bob E H Tyler, Nicholas J C Gerkema, Menno P Folkow, Lars Stokkan, Karl-Arne Producer: 20070719 In: Die Naturwissenschaften vol. 94 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Circadian organization in reindeer. [electronic resource] by van Oort, Bob E H Tyler, Nicholas J C Gerkema, Menno P Folkow, Lars Blix, Arnoldus Schytte Stokkan, Karl-Arne Producer: 20060124 In: Nature vol. 438 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Behavioral Timing without Clockwork: Photoperiod-Dependent Trade-Off between Predation Hazard and Energy Balance in an Arctic Ungulate. [electronic resource] by Tyler, Nicholas J C Gregorini, Pablo Forchhammer, Mads C Stokkan, Karl-Arne van Oort, Bob E H Hazlerigg, David G Producer: 20171218 In: Journal of biological rhythms vol. 31 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Ecological dynamics across the Arctic associated with recent climate change. [electronic resource] by Post, Eric Forchhammer, Mads C Bret-Harte, M Syndonia Callaghan, Terry V Christensen, Torben R Elberling, Bo Fox, Anthony D Gilg, Olivier Hik, David S Høye, Toke T Ims, Rolf A Jeppesen, Erik Klein, David R Madsen, Jesper McGuire, A David Rysgaard, Søren Schindler, Daniel E Stirling, Ian Tamstorf, Mikkel P Tyler, Nicholas J C van der Wal, Rene Welker, Jeffrey Wookey, Philip A Schmidt, Niels Martin Aastrup, Peter Producer: 20090923 In: Science (New York, N.Y.) vol. 325 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)