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Calculate α, the strength of density-dependent mortality during the larval stage, given by: α=(1/2βθeAdeqRm1)(1(θl/Rm)1(θl/Rm)1/Tl)

calcDensityDependentDeathRate(
  fertility,
  thetaAq,
  tAq,
  adultPopSizeEquilibrium,
  populationGrowthRate
)

Arguments

fertility

Number of eggs per oviposition for wild-type females, β

thetaAq

Vector of density-independent survival probabilities of aquatic stages, θe,θl

tAq

Vector of lengths of aquatic stages, Te,Tl,Tp

adultPopSizeEquilibrium

Adult population size at equilibrium, Adeq

populationGrowthRate

Population growth in absence of density-dependent mortality Rm