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M3_WithDD_noDemoStoch.Rd 1.46 KiB
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  • % Generated by roxygen2: do not edit by hand
    % Please edit documentation in R/models.R
    \name{M3_WithDD_noDemoStoch}
    \alias{M3_WithDD_noDemoStoch}
    
    \title{Demographic model with Density-Dependence, but without Demographic Stochasticity
    
    In addition to natural survivals and fecundities, this demographic model includes
    a specific harvest / fatality parameter.
    NOTE : This is a POST-BREEDING demographic model.}
    \usage{
    
    M3_WithDD_noDemoStoch(N1, s, f, h, DD_params)
    
    }
    \arguments{
    \item{N1}{a vector of population sizes for each age class at time t1}
    
    \item{s}{a vector of survival probabilities for each age class}
    
    \item{f}{a vector of fecundity values for each age class}
    
    \item{h}{a number. The harvest or fatality rate}
    
    \item{DD_params}{a list containing the 3 parameters required to model density-dependence :
    rMAX (maximum population intinsic rate of increase: lambda_max - 1),
    K (carrying capacity), and
    theta (shape of DD relationshp)}
    }
    \value{
    a vector of population sizes for each age class at time t2
    }
    \description{
    
    Demographic model with Density-Dependence, but without Demographic Stochasticity
    
    In addition to natural survivals and fecundities, this demographic model includes
    a specific harvest / fatality parameter.
    NOTE : This is a POST-BREEDING demographic model.
    }
    \examples{
    s <- c(0.5, 0.7, 0.8, 0.95)
    f <- c(0, 0, 0.05, 0.55)
    N1 <- c(50, 60, 75, 100)
    h <- 0.05
    
    DD_params <- list(rMAX = 0.15, K = 1200, theta = 1)
    M3_WithDD_noDemoStoch(N1, s, f, h,DD_params = DD_params)