Table 2: State variables of the model, all expressed as tons of carbon on Gouqi Island as .

SymbolDescriptionUnit

CO2(t)Carbon dioxide as g CO2/yr
Forest C(t)Carbon in forest ecosystem as g C/yr
WETLAND_C(t)Carbon in wetland ecosystem as g C/yr
SHELL_C(t)Carbon in aquaculture mussel shell as g C/yr
SOIL_C(t)Carbon in soil sink as g C/yr
TCH4(t)Total methane released as g CH4/yr
WASTE_CH4(t)Methane released from solid waste as g CH4/yr