Description Usage Arguments Value
rtDensityDependence
takes passed mortality rate and modifies it
according to the relationship between density and carrying capacity.
Implemented in the same way as hat-trick.
Allows the proportion of mortality that is density dependent to be specified.
pMort at Carrying Capacity is left unmodified.
pMort at density 0 = pMort*(1-proportion of mortality density dependent).
In between is a linear relationship that continues to give higher values above carrying capacity.
! I wonder if density dependence could be implemented in a more standard way closer to the logistic model.
1 | rtDensityDependence(fPopn, pMort, propDD, iCarryCap)
|
fPopn |
population number, can be adults or pupae |
pMort |
a mortality probability |
propDD |
proportion of mortality that is density dependent |
iCarryCap |
Carrying Capacity as an integer |
pMort modified mortality rate
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