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COMPARISON OF PREDATION RATES
Published online by Cambridge University Press: 31 May 2012
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Consider a predator which, when hungry, has a discovery rate (= search rate × probability of finding prey) of a prey per unit time. When satiated, its demand rate for prey is 1/T, where T is the time-interval between successive prey captures when the predator is surrounded by excess of prey. Both a and T may vary with temperature, etc. Let s(N) be the expression for prey survival rate, during an infinitesimal time-period dt, as a function of prey density N.
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