BIOL 2Q04 Lecture Notes - Lecture 12: Net Reproduction Rate, Life Table, 0 (Year)
6 Nov 2018
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Geometric or exponential growth: given natality and death rates, we may want to know at what rate does the population subject to these rates, grow, we must assume that: 1) survival and fertility rates are constant and, A population of 100 rabbits gives birth to 20 bunnies in one month = a birth rate of. 1 you have ,500, year 2 ,525: = instantaneous rate, graphing the natural logarithm of population size against time yields a straight line, slope = instantaneous rate of change: 0. 1054/individual/month: or -1. 26/individual/year (-0. 1054*12, we can determine these same values without graphing, the monthly finite rate of change in population size = 0. 9, finite and instantaneous rates are related, finite rate = instantaneous rate. Instantaneous rate = ln(finite rate: similarly, if we know the instantaneous rates, we can convert these to finite rates, e^(-1. 264)= a yearly finite rate of 0. 2824 individuals/individual/month ln(0. 2824)= an instantaneous rate of -1. 264 individuals/individual/month.
