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DESCRIPTION:How phenological (a-)synchrony can alter consumer-resource dyna
 mics\n\nFrithjof Lutscher\, University of Ottawa\n	Tuesday January 13\, 12-
 1pm\n	Zoom Link: https://mcgill.zoom.us/j/87078928687\n	In Person: 550 Sherb
 rooke\, Room 189\n	\n	Abstract: The dynamics of a consumer and its resource 
 depend on how strongly the two interact\, which\, in turn\, depends on the
  relative timing of their respective life cycles (phenology). There is cle
 ar empirical evidence that climate change alters the timing of important l
 ife-cycle events\, such as flowering or hibernation\, but less so about th
 e consequences of this change for the dynamics of the species involved. We
  studied a semi-discrete dynamical system model for one or more specialist
  consumers and their resource. Consumers reproduce only once per year\, re
 sources continuously during their growing season. Each species has its own
  winter resting period\, during which it does not interact with the other.
  Such a situation is quite common in plant-herbivore systems. We say that 
 two species are in phenological synchrony when their resting and growing s
 easons are perfectly aligned. We used this model to explore various questi
 ons\, from the long-standing challenge of how several consumer species can
  coexist on a single resource\, to recent ones such as how climate change 
 will affect the community composition of competing consumers via changes i
 n season length and synchrony. We also study whether and under which condi
 tions synchrony between a consumer and its resource is beneficial to the c
 onsumer. We thereby reconcile the old theoretical tenet that perfect synch
 rony should be best for the consumer with newer simulation results that so
 me level of asynchrony is better.\n
DTSTART:20260113T170000Z
DTEND:20260113T180000Z
SUMMARY:QLS Seminar Series - Frithjof Lutscher
URL:https://www.mcgill.ca/channels/channels/event/qls-seminar-series-frithj
 of-lutscher-370050
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