| | Group | State variables in the model |
| | Group 1 | Forest biomass, wildlife species, and population pressure | | Group 2 | Forest biomass, wildlife species, and industrialization | | Group 3 | Forest biomass, wildlife species, human population, population pressure, and mining activities | | Group 4 | Forest biomass, wildlife species, human population, and industrialization | | Group 5 | Forest biomass, wildlife species, human population, and population pressure | | Group 6 | Forest biomass, wildlife species, human population, and human activities | | Group 7 | Forest biomass, human population, population pressure, industrialization, and economic measures | | Group 8 | Forest biomass, concentration of pollutants, and environmental pollution concentration |
|
|