//---------------------------------------------------------------------
public void CohortDied(object sender,
Landis.Library.BiomassCohorts.DeathEventArgs eventArgs)
{
//PlugIn.ModelCore.UI.WriteLine("Cohort Died! :-(");
ExtensionType disturbanceType = eventArgs.DisturbanceType;
ActiveSite site = eventArgs.Site;
ICohort cohort = (Landis.Library.LeafBiomassCohorts.ICohort)eventArgs.Cohort;
double foliar = (double)cohort.LeafBiomass;
double wood = (double)cohort.WoodBiomass;
if (disturbanceType == null)
{
ForestFloor.AddWoodLitter(wood, cohort.Species, eventArgs.Site);
ForestFloor.AddFoliageLitter(foliar, cohort.Species, eventArgs.Site);
Roots.AddCoarseRootLitter(wood, cohort, cohort.Species, eventArgs.Site);
Roots.AddFineRootLitter(foliar, cohort, cohort.Species, eventArgs.Site);
}
if (disturbanceType != null)
{
Disturbed[site] = true;
if (disturbanceType.IsMemberOf("disturbance:fire"))
{
Landis.Library.Succession.Reproduction.CheckForPostFireRegen(eventArgs.Cohort, site);
}
else
{
Landis.Library.Succession.Reproduction.CheckForResprouting(eventArgs.Cohort, site);
}
}
}
//---------------------------------------------------------------------
public void CohortPartialMortality(object sender, Landis.Library.BiomassCohorts.PartialDeathEventArgs eventArgs)
{
ExtensionType disturbanceType = eventArgs.DisturbanceType;
ActiveSite site = eventArgs.Site;
double reduction = eventArgs.Reduction;
ICohort cohort = (Landis.Library.LeafBiomassCohorts.ICohort)eventArgs.Cohort;
float fractionPartialMortality = (float)eventArgs.Reduction;
//PlugIn.ModelCore.UI.WriteLine("Cohort experienced partial mortality: species={0}, age={1}, wood_biomass={2}, fraction_mortality={3:0.0}.", cohort.Species.Name, cohort.Age, cohort.WoodBiomass, fractionPartialMortality);
AgeOnlyDisturbances.PoolPercentages cohortReductions = AgeOnlyDisturbances.Module.Parameters.CohortReductions[disturbanceType];
float foliar = cohort.LeafBiomass * fractionPartialMortality;
float wood = cohort.WoodBiomass * fractionPartialMortality;
float foliarInput = AgeOnlyDisturbances.Events.ReduceInput(foliar, cohortReductions.Foliar, site);
float woodInput = AgeOnlyDisturbances.Events.ReduceInput(wood, cohortReductions.Wood, site);
ForestFloor.AddWoodLitter(woodInput, cohort.Species, site);
ForestFloor.AddFoliageLitter(foliarInput, cohort.Species, site);
Roots.AddCoarseRootLitter(woodInput, cohort, cohort.Species, site); // All of cohorts roots are killed.
Roots.AddFineRootLitter(foliarInput, cohort, cohort.Species, site);
//PlugIn.ModelCore.UI.WriteLine("EVENT: Cohort Partial Mortality: species={0}, age={1}, disturbance={2}.", cohort.Species.Name, cohort.Age, disturbanceType);
//PlugIn.ModelCore.UI.WriteLine(" Cohort Reductions: Foliar={0:0.00}. Wood={1:0.00}.", cohortReductions.Foliar, cohortReductions.Wood);
//PlugIn.ModelCore.UI.WriteLine(" InputB/TotalB: Foliar={0:0.00}/{1:0.00}, Wood={2:0.0}/{3:0.0}.", foliarInput, foliar, woodInput, wood);
return;
}
//---------------------------------------------------------------------
public void CohortPartialMortality(object sender, Landis.Library.BiomassCohorts.PartialDeathEventArgs eventArgs)
{
ExtensionType disturbanceType = eventArgs.DisturbanceType;
ActiveSite site = eventArgs.Site;
double reduction = eventArgs.Reduction;
ICohort cohort = (Landis.Library.LeafBiomassCohorts.ICohort)eventArgs.Cohort;
float fractionPartialMortality = (float)eventArgs.Reduction;
AgeOnlyDisturbances.PoolPercentages cohortReductions = AgeOnlyDisturbances.Module.Parameters.CohortReductions[disturbanceType];
float foliar = cohort.LeafBiomass * fractionPartialMortality;
float wood = cohort.WoodBiomass * fractionPartialMortality;
float foliarInput = AgeOnlyDisturbances.Events.ReduceInput(foliar, cohortReductions.Foliar, site);
float woodInput = AgeOnlyDisturbances.Events.ReduceInput(wood, cohortReductions.Wood, site);
ForestFloor.AddWoodLitter(woodInput, cohort.Species, site);
ForestFloor.AddFoliageLitter(foliarInput, cohort.Species, site);
Roots.AddCoarseRootLitter(woodInput, cohort, cohort.Species, site); // All of cohorts roots are killed.
Roots.AddFineRootLitter(foliarInput, cohort, cohort.Species, site);
return;
}
//---------------------------------------------------------------------
private void UpdateDeadBiomass(ICohort cohort, ActiveSite site, double[] totalMortality)
{
double mortality_wood = totalMortality[0];
double mortality_nonwood = totalMortality[1];
// Add mortality to dead biomass pools.
// Coarse root mortality is assumed proportional to aboveground woody mortality
// mass is assumed 25% of aboveground wood (White et al. 2000, Niklas & Enquist 2002)
if (mortality_wood > 0.0)
{
ForestFloor.AddWoodLitter(mortality_wood, cohort.Species, site);
Roots.AddCoarseRootLitter(mortality_wood, cohort, cohort.Species, site);
}
if (mortality_nonwood > 0.0)
{
AvailableN.AddResorbedN(cohort, totalMortality[1], site); //ignoring input from scorching, which is rare, but not resorbed.
ForestFloor.AddResorbedFoliageLitter(mortality_nonwood, cohort.Species, site);
Roots.AddFineRootLitter(mortality_nonwood, cohort, cohort.Species, site);
}
}
