Term Definition
θ Fundamental biodiversity number
J Total number of individuals in the local community
d Mortality rate
D Total number of mortal individuals [J × d]
m Immigration rate
M Total number of immigrated individuals [J × d × m]
JM Total number of individuals in the species pool (i.e. metacommunity)
δ a parameter of the negative exponential function that is related to the relative position of the intercept against the upper limit
ε a parameter of the negative exponential function that is related to the curvature of the curve
ζ a parameter of the negative exponential function that is related to the upper limit