EESC3310 Lecture Notes - Lecture 6: Intercropping, Gynoecium, Agribusiness
25 Apr 2017
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Intrinsic rate of growth r = per capita rate of change in a population. Multiply population by r (growth rate) to predict. Max population of a given species that can be supported indefinitely in a particular habitat without permanently impairing the productivity of that habitat. At carrying capacity when population goes over it creates an oscillation up/down at k until equilibrium is reached. Nt+1= nt +r*nt(1-nt / k) where nt = population at t time, nt+1 = Factors that affect growth: population at next time. When an ecological factor is influenced by the population density of organism. Density independence factors that don"t show relationship in its influence on population to the density of the population. Aka this factor affects all members of the population irrespective of density. Factors external to population that influence population abundance. Factors that are internal to the population that influence population abundance.
