Theory and Modern Applications
Parameters | Biological significance | Dimension |
---|---|---|
x | Pest population density | biomass |
y | Predator population density | biomass |
r | Maximum intrinsic growth rate of pests | time−1 |
a | Cost of fear of predators | biomass−1 |
K | Carrying capacity of the pest population | biomass |
v | Investment of pests in anti-predator behavior | biomass ⋅ time−1 |
ε | Efficiency of the anti-predator behavior | biomass−1⋅time |
q | Predation rate against pests | biomass−1⋅time−1 |
b | Rate of predator satisfaction to prey | biomass−1 |
c | Conversion rate of pests to predators | dimensionless |
m | Mortality rate of predators | time−1 |
p | Maximum instantaneous killing rate of a pesticide against pests | dimensionless |
h | Half-saturation coefficient | biomass |
Ï„ | Maximum number of natural enemies released at one-time | biomass |
δ | Tuning parameters for predator density | biomass−1 |