/// <summary>
/// Method to perform calculation of all ecological indicators.
/// </summary>
private void CalculateEcologicalIndicators()
{
//If it is time to do yearly calculation
if (zoneCLEM.IsEcologicalIndicatorsCalculationMonth())
{
// Calculate change in Land Condition index and Grass basal area
double utilisation = LinkedNativeFoodType.PercentUtilisation;
LandConditionIndex.Modify(utilisation);
LinkedNativeFoodType.CurrentEcologicalIndicators.LandConditionIndex = LandConditionIndex.Value;
GrassBasalArea.Modify(utilisation);
LinkedNativeFoodType.CurrentEcologicalIndicators.GrassBasalArea = GrassBasalArea.Value;
// Calculate average monthly stocking rate
// Check number of months to use
int monthdiff = ((zoneCLEM.EcologicalIndicatorsNextDueDate.Year - clock.StartDate.Year) * 12) + zoneCLEM.EcologicalIndicatorsNextDueDate.Month - clock.StartDate.Month + 1;
if (monthdiff >= zoneCLEM.EcologicalIndicatorsCalculationInterval)
{
monthdiff = zoneCLEM.EcologicalIndicatorsCalculationInterval;
}
LinkedNativeFoodType.CurrentEcologicalIndicators.StockingRate = stockingRateSummed / monthdiff;
//perennials
LinkedNativeFoodType.CurrentEcologicalIndicators.Perennials = 92.2 * (1 - Math.Pow(LandConditionIndex.Value, 3.35) / Math.Pow(LandConditionIndex.Value, 3.35 + 137.7)) - 2.2;
//%utilisation
LinkedNativeFoodType.CurrentEcologicalIndicators.Utilisation = utilisation;
// Reset running total for stocking rate
stockingRateSummed = 0;
// calculate averages
LinkedNativeFoodType.CurrentEcologicalIndicators.Cover /= monthdiff;
LinkedNativeFoodType.CurrentEcologicalIndicators.TreeBasalArea /= monthdiff;
//TreeC
// I didn't include the / area as tba is already per ha. I think NABSA has this wrong
LinkedNativeFoodType.CurrentEcologicalIndicators.TreeCarbon = LinkedNativeFoodType.CurrentEcologicalIndicators.TreeBasalArea * 6286 * 0.46;
//methane
//soilC
//Burnkg
//methaneFire
//N2OFire
//Get the new Pasture Data using the new Ecological Indicators (ie. GrassBA, LandCon, StRate)
GetPastureDataList_TodayToNextEcolCalculation();
}
}
/// <summary>
/// Method to perform calculation of all ecological indicators.
/// </summary>
private void CalculateEcologicalIndicators()
{
//If it is time to do yearly calculation
if (ZoneCLEM.IsEcologicalIndicatorsCalculationMonth())
{
// Calculate change in Land Condition index and Grass basal area
double utilisation = LinkedNativeFoodType.PercentUtilisation;
LandConditionIndex.Modify(utilisation);
LinkedNativeFoodType.CurrentEcologicalIndicators.LandConditionIndex = LandConditionIndex.Value;
GrassBasalArea.Modify(utilisation);
LinkedNativeFoodType.CurrentEcologicalIndicators.GrassBasalArea = GrassBasalArea.Value;
// Calculate average monthly stocking rate
// Check number of months to use
int monthdiff = ((ZoneCLEM.EcologicalIndicatorsNextDueDate.Year - Clock.StartDate.Year) * 12) + ZoneCLEM.EcologicalIndicatorsNextDueDate.Month - Clock.StartDate.Month;
if (monthdiff >= ZoneCLEM.EcologicalIndicatorsCalculationInterval)
{
monthdiff = ZoneCLEM.EcologicalIndicatorsCalculationInterval;
}
LinkedNativeFoodType.CurrentEcologicalIndicators.StockingRate = StockingRateSummed / monthdiff;
//erosion
//tree basal area
//perennials
Perennials = 92.2 * (1 - Math.Pow(LandConditionIndex.Value, 3.35) / Math.Pow(LandConditionIndex.Value, 3.35 + 137.7)) - 2.2;
//%runoff
//methane
//soilC
//TreeC
//Burnkg
//methaneFire
//NOxFire
//%utilisation
LinkedNativeFoodType.CurrentEcologicalIndicators.Utilisation = utilisation;
// Reset running total for stocking rate
StockingRateSummed = 0;
//Get the new Pasture Data using the new Ecological Indicators (ie. GrassBA, LandCon, StRate)
GetPastureDataList_TodayToNextEcolCalculation();
}
}
