Predation I S10

Predation I S10 - Predation I BIOL/BOT 160 Ecology...

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Unformatted text preview: Predation I BIOL/BOT 160 Ecology Definition Repeated interaction between species such that members of a species are killed shortly upon capture by the other species. Repeated means that a one time occurrence is NOT predation killed shortly upon capture http://scienceblogs.com/deepseanews/mbn_shark_wideweb__470x321,0.jpg Predation? http://dsf.chesco.org/ccparks/lib/c cparks/creaturefeature/deer_brow sing.jpg Lotka Volterra model Prey Start with exponential growth Let = the rate at which a predator consumes a prey So the number of prey consumed by predators would be: rN dt dN = . 2 = Prey Prey Prey N r dt dN = Predator Prey Prey Prey N N r dt dN - = Predator N * Lotka Volterra model Predator Start with exponential growth Remember that Assume that is the rate at which predators convert prey to baby predators. So, the birth rate of predators would be Pred Pred Pred N r dt dN = 5 . 2 1 = = Prey Predator ) ( * Pred Pred N b = Pred Pred Pred d b r- = ( 29 [ ] Pred Pred Prey Pred N d N dt dN *- = Pred Prey Pred d N r- = ) ( * Lotka Volterra model Predator Start with exponential growth Remember that Assume that is the rate at which predators convert prey to baby predators....
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Predation I S10 - Predation I BIOL/BOT 160 Ecology...

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