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SUMMARY:Anomalous Diffusion and Random Encounters in Living Systems - Scot
 t McKinley (Tulane University)
DTSTART:20160623T100000Z
DTEND:20160623T104500Z
UID:TALK66542@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:Due to the rapid growth of animal movement data obtained by GP
 S\, radio  tracking collars and other means\, there is a growing recogniti
 on that classical  models of encounter rates among animal populations shou
 ld be revisited. Recent  theoretical investigations have demonstrated that
  biologically relevant  modifications to classical assumptions about indiv
 idual behavior can bring about  non-trivial changes in the formulation of 
 population-scale dynamical systems. In  particular\, the combination of tr
 acking data with habitat information has  revealed the substantial impact 
 that environmental factors have on animal  movement and sociality. In this
  talk\, I will review some of the existing  conventional wisdom that suppo
 rts the use of so-called &ldquo\;Levy flight&rdquo\; models that  seek to 
 describe animal movement in the absence of environmental cues. However\,  
 through a few examples\, I will make the case that animal movement pattern
 s  should not be separated from the spatial environmental features that sh
 ape them.  In fact\, animal sensing and decision-making are &ldquo\;leadin
 g-order&rdquo\; effects\, and  their study gives rise to new ecological ob
 servations and novel mathematical  challenges.
LOCATION:Seminar Room 1\, Newton Institute
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