public static void CohortTotalMortality(object sender,
                                                Landis.Library.BiomassCohorts.DeathEventArgs eventArgs)
        {
            ExtensionType disturbanceType = eventArgs.DisturbanceType;

            PoolPercentages cohortReductions = Module.Parameters.CohortReductions[disturbanceType];

            ICohort    cohort = (Landis.Library.LeafBiomassCohorts.ICohort)eventArgs.Cohort;
            ActiveSite site   = eventArgs.Site;
            float      foliar = cohort.LeafBiomass;
            float      wood   = cohort.WoodBiomass;


            float foliarInput = ReduceInput(foliar, cohortReductions.Foliar, site);
            float woodInput   = ReduceInput(wood, cohortReductions.Wood, site);

            //PlugIn.ModelCore.UI.WriteLine("EVENT: Cohort Died: species={0}, age={1}, disturbance={2}.", cohort.Species.Name, cohort.Age, eventArgs.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);

            ForestFloor.AddWoodLitter(woodInput, cohort.Species, site);
            ForestFloor.AddFoliageLitter(foliarInput, cohort.Species, site);

            Roots.AddCoarseRootLitter(wood, cohort, cohort.Species, site);  // All of cohorts roots are killed.
            Roots.AddFineRootLitter(foliar, cohort, cohort.Species, site);
        }