Allee Effect & Demographic Stochasticity

• What is mean lambda for an infinitely large population?

  • 1 because MM mates with FF.

• What is mean lambda for population size = 2?

  • 0.5 because MM and FF do not mate.

At each time step, 50% chance of male, 50% chance of female

Each breeding pair produces two offspring, then die.

M,M

M,F

F,M

F,F

M,F

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