Research Article
The Study of a Predator-Prey Model with Fear Effect Based on State-Dependent Harvesting Strategy
Table 1
The description of the model parameters and variables and their units/dimensions.
| Symbol | Description | Units/dimensions |
| | Density of prey population | Mass | | Density of predator population | Mass | | Birth rate of prey population not affected by predators | 1/time | | Natural death rate of prey population | 1/time | | Decay rate due to intraspecies competition | 1/mass.1/time | | Rate of predation | 1/mass.1/time | | Handling time | 1/mass | | Conversion rate of prey biomass to predator biomass | Dimensionless | | Conversion time | 1/mass | | Death rate of predator | 1/time | | Level of fear | 1/mass | | Harvesting level of prey population | Mass | | Harvesting effort | Dimensionless | | Catchability coefficient of prey | Dimensionless | | Catchability coefficient of predator | Dimensionless | | Quantity of predator pups released | Mass |
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