08Terr06x - Territoriality any defended area vs. home range...

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  Territoriality
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  Intro - any defended area vs. home range  (anywhere animal might venture) vs. core  area (subset) - nest site (gannet) to several km 2  (wolf  pack) - many spp. not territorial; some only at  some times or some places - best size?  model? . .. - shape?
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  Functions a.  mating only (lek) b.  breeding  only (gannet) c.  food only (wagtail) - usu. mix, varying imptce. - season
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  Benefits 1.  exclusive access to resources - food (for self, mate, offspring), mates,   water, basking, sleeping, nesting, refuge  (copulation, predators) 2.   disease transmission 3.   predator success - latter 2 consequences Costs 1.   energy (patrol, display & mark, contest) 2.   injury (so ritualised display)
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Economics - if   intruders? - costs   when resources clumped (hum- birds, red-wings & tri-colored, pronghorn  antelope) - if   resource density?
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This note was uploaded on 02/08/2010 for the course BIOL 3143 taught by Professor Daveshutler during the Winter '10 term at Acadia.

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08Terr06x - Territoriality any defended area vs. home range...

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