Model inputs

Here you find all inputs needed to start a simulation. You can click on the links to the methods to see how the input is used in those methods. If you want to prepare your own inputs, go to the tutorial.

Daily abiotic conditions

Symbol	Description	used in
$T_t$	Temperature [°C]	temperature_reduction!
$S{T}_t$	Cumulative temperature from the beginning of the current year [°C]	seasonal_reduction!, seasonal_component_senescence
$P_t$	Precipitation [mm d⁻¹]	change_water_reserve
$PA{R}_t$	Photosynthetically active radiation [MJ ha⁻¹ d⁻¹]	potential_growth!, radiation_reduction!
$PE{T}_t$	Potential evapotranspiration [mm d⁻¹]	water_reduction!, evaporation, transpiration

Daily management variables

Symbol	Description	used in
$CU{T}_t$	Height of mowing event, NaN means no mowing [m]	mowing!
$L{D}_t$	Grazing intensity measured in livestock units, NaN means no grazing [LD ha⁻¹]	grazing!

Morphological traits of the plant species (time-invariant)

Symbol	Description	used in
$am{c}_s$	Arbuscular mycorrhizal colonisation rate [-]	nutrient_competition!, nutrient_reduction!
$sl{a}_s$	Specific leaf area [m² g⁻¹]	water_reduction!, calculate_LAI!, senescence!
$maxheigh{t}_s$	Maximum plant height [m]	potential_growth!, light_competition!, mowing!
$rs{a}_s$	Root surface area / belowground biomass [m² g⁻¹]	nutrient_competition!, water_reduction!, nutrient_reduction!
$ab{p}_s$	Aboveground biomass / total biomass [-]	calculate_LAI!
$lb{p}_s$	Leaf mass / aboveground biomass [-]	calculate_LAI!
$ln{c}_s$	Leaf nitrogen content per leaf mass [mg g⁻¹]	grazing!

Site variables (either contant or vary between years)

Symbol	Description	used in
$SND$	Sand content [-]	input_WHC_PWP!
$SLT$	Silt content [-]	input_WHC_PWP!
$CLY$	Clay content [-]	input_WHC_PWP!
$OM$	Organic matter content [-]	input_WHC_PWP!
$BLK$	Bulk density [g cm⁻³]	input_WHC_PWP!
$RD$	Mean rooting depth of plants [mm]	input_WHC_PWP!
$N$	Total nitrogen [g kg⁻¹]	nutrient_reduction!
$F$	Fertilization [kg ha⁻¹ yr⁻¹]	nutrient_reduction!