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Unformatted text preview: again. r= b d or r = birth rate death rate Example population 1000 individuals, 50 births, 80 deaths. b=0.05 d=0.08 r= -0.03 1/31/11 Exponential Model Finally most ecologists use calculus notation to illustrate instantaneous changes: dN/dt = rN Remember we are talking about a population that is living under ideal conditions (no limited resources) Intrinsic rate of increase = a populations maximum rate of growth...
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This note was uploaded on 01/30/2011 for the course BIOL 001 taught by Professor Nathan during the Spring '10 term at George Mason.
- Spring '10