(chapter 8 in textbook)
vocabulary
o population
• crash
• density
• explosion
• momentum
• change
• dispersion/distribution
• dynamics
o dieback/overshoot
o immigration/emigration
o predator/prey
o doubling time
o J & S curves
o exponential growth
o mathusian growth (same as exponential)
o environmental resistance
o carrying capacity
o ZPG
o CBR/CDR
o fertility/fercundity
o prolific
o habitat fragmentation
o k & r reproduction
o type I (human), II, III (insect) survivorship
o biotic potential
o intrinsic growth
o replacement fertility
o natality/mortality
o monoculturing (homogenizing)
o opportunistic species
o island biography
topics
o graph population pyramids
o graph survivorship/reproduction patterns
o compute…
• growth rates & doubling times
• future populations from growth rates
• population estimates per mark/recapture
o demographic transitions & distribution patterns
o human influences
formulas
o (doubling time) = (70) / (% growth rate)
o (% growth rate) = (70) / (doubling time)
o (final population) = (starting population) ( (1.(% growth rate) to the (number of years) degree)
o (population size) = ( (size first sample) (size second sample) ) / (recaptured)
Wednesday, February 6, 2008
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