/// <summary>
/// Apply the changes from predation to prey cohorts, and update deltas for the predator cohort
/// </summary>
/// <param name="gridCellCohorts">The cohorts in the current grid cell</param>
/// <param name="gridCellStocks">The stocks in the current grid cell</param>
/// <param name="actingCohort">The acting cohort</param>
/// <param name="cellEnvironment">The environment in the current grid cell</param>
/// <param name="deltas">The sorted list to track changes in biomass and abundance of the acting cohort in this grid cell</param>
/// <param name="madingleyCohortDefinitions">The functional group definitions for cohorts in the model</param>
/// <param name="madingleyStockDefinitions">The functional group definitions for stocks in the model</param>
/// <param name="trackProcesses">An instance of ProcessTracker to hold diagnostics for predation</param>
/// <param name="currentTimestep">The current model time step</param>
/// <param name="specificLocations">Whether the model is being run for specific locations</param>
/// <param name="outputDetail">The level of output detail used in this model run</param>
/// <param name="initialisation">The Madingley Model initialisation</param>
public void RunEating(GridCellCohortHandler gridCellCohorts, GridCellStockHandler gridCellStocks, int[] actingCohort, SortedList<string, double[]>
cellEnvironment, Dictionary<string, Dictionary<string, double>> deltas, FunctionalGroupDefinitions madingleyCohortDefinitions,
FunctionalGroupDefinitions madingleyStockDefinitions, ProcessTracker trackProcesses, uint currentTimestep, Boolean specificLocations,
string outputDetail, MadingleyModelInitialisation initialisation)
{
if (trackProcesses.TrackProcesses)
{
Track = (RandomNumberGenerator.GetUniform() > 0.975) ? true : false;
}
TempDouble = 0.0;
// Temporary variable to hold the total time spent eating + 1. Saves an extra calculation in CalculateAbundanceEaten
double TotalTimeUnitsToHandlePlusOne = TimeUnitsToHandlePotentialFoodItems + 1;
// Loop over potential prey functional groups
foreach (int FunctionalGroup in _FunctionalGroupIndicesToEat)
{
// Loop over cohorts within the functional group
for (int i = 0; i < NumberCohortsPerFunctionalGroupNoNewCohorts[FunctionalGroup]; i++)
{
// Get the individual body mass of this cohort
_BodyMassPrey = gridCellCohorts[FunctionalGroup][i].IndividualBodyMass;
// Calculate the actual abundance of prey eaten from this cohort
if (gridCellCohorts[FunctionalGroup][i].CohortAbundance > 0)
{
// Calculate the actual abundance of prey eaten from this cohort
_AbundancesEaten[FunctionalGroup][i] = CalculateAbundanceEaten(_PotentialAbundanceEaten[FunctionalGroup][i], _PredatorAbundanceMultipliedByTimeEating,
TotalTimeUnitsToHandlePlusOne, gridCellCohorts[FunctionalGroup][i].CohortAbundance);
}
else
_AbundancesEaten[FunctionalGroup][i] = 0;
// Remove number of prey eaten from the prey cohort
gridCellCohorts[FunctionalGroup][i].CohortAbundance -= _AbundancesEaten[FunctionalGroup][i];
gridCellCohorts[actingCohort].TrophicIndex += (_BodyMassPrey + gridCellCohorts[FunctionalGroup][i].IndividualReproductivePotentialMass) * _AbundancesEaten[FunctionalGroup][i] * gridCellCohorts[FunctionalGroup][i].TrophicIndex;
// If the process tracker is set and output detail is set to high and the prey cohort has never been merged,
// then track its mortality owing to predation
if (trackProcesses.TrackProcesses)
{
if ((outputDetail == "high") && (gridCellCohorts[FunctionalGroup][i].CohortID.Count == 1)
&& AbundancesEaten[FunctionalGroup][i] > 0)
{
trackProcesses.RecordMortality((uint)cellEnvironment["LatIndex"][0], (uint)cellEnvironment["LonIndex"][0], gridCellCohorts
[FunctionalGroup][i].BirthTimeStep, currentTimestep, gridCellCohorts[FunctionalGroup][i].IndividualBodyMass,
gridCellCohorts[FunctionalGroup][i].AdultMass, gridCellCohorts[FunctionalGroup][i].FunctionalGroupIndex,
gridCellCohorts[FunctionalGroup][i].CohortID[0], AbundancesEaten[FunctionalGroup][i], "predation");
}
// If the model is being run for specific locations and if track processes has been specified, then track the mass flow between
// prey and predator
if (specificLocations)
{
trackProcesses.RecordPredationMassFlow(currentTimestep, _BodyMassPrey, _BodyMassPredator, _BodyMassPrey *
_AbundancesEaten[FunctionalGroup][i]);
if (outputDetail == "high")
trackProcesses.TrackPredationTrophicFlow((uint)cellEnvironment["LatIndex"][0], (uint)cellEnvironment["LonIndex"][0],
gridCellCohorts[FunctionalGroup][i].FunctionalGroupIndex, gridCellCohorts[actingCohort].FunctionalGroupIndex,
madingleyCohortDefinitions, (_AbundancesEaten[FunctionalGroup][i] * _BodyMassPrey), _BodyMassPredator, _BodyMassPrey,
initialisation, cellEnvironment["Realm"][0] == 2.0);
}
}
// Check that the abundance eaten from this cohort is not negative
// Commented out for the purposes of speed
//Debug.Assert( _AbundancesEaten[FunctionalGroup][i].CompareTo(0.0) >= 0,
// "Predation negative for this prey cohort" + actingCohort);
// Create a temporary value to speed up the predation function
// This is equivalent to the body mass of the prey cohort including reproductive potential mass, times the abundance eaten of the prey cohort,
// divided by the abundance of the predator
TempDouble += (_BodyMassPrey + gridCellCohorts[FunctionalGroup][i].IndividualReproductivePotentialMass) * _AbundancesEaten[FunctionalGroup][i] / _AbundancePredator;
}
}
// Add the biomass eaten and assimilated by an individual to the delta biomass for the acting (predator) cohort
deltas["biomass"]["predation"] = TempDouble * _PredatorAssimilationEfficiency;
// Move the biomass eaten but not assimilated by an individual into the organic matter pool
deltas["organicpool"]["predation"] = TempDouble * _PredatorNonAssimilation * _AbundancePredator;
// Check that the delta biomass from eating for the acting cohort is not negative
//Debug.Assert(deltas["biomass"]["predation"] >= 0, "Predation yields negative biomass");
// Calculate the total biomass eaten by the acting (predator) cohort
_TotalBiomassEatenByCohort = deltas["biomass"]["predation"] * _AbundancePredator;
}
/// <summary>
/// Run mortality
/// </summary>
/// <param name="gridCellCohorts">The cohorts in the current grid cell</param>
/// <param name="gridCellStocks">The stocks in the current grid cell</param>
/// <param name="actingCohort">The position of the acting cohort in the jagged array of grid cell cohorts</param>
/// <param name="cellEnvironment">The environment in the current grid cell</param>
/// <param name="deltas">The sorted list to track changes in biomass and abundance of the acting cohort in this grid cell</param>
/// <param name="madingleyCohortDefinitions">The definitions for cohort functional groups in the model</param>
/// <param name="madingleyStockDefinitions">The definitions for stock functional groups in the model</param>
/// <param name="currentTimestep">The current model time step</param>
/// <param name="trackProcesses">An instance of ProcessTracker to hold diagnostics for mortality</param>
/// <param name="partial">Thread-locked variables</param>
/// <param name="specificLocations">Whether the model is being run for specific locations</param>
/// <param name="outputDetail">The level output detail being used for the current model run</param>
/// <param name="currentMonth">The current model month</param>
/// <param name="initialisation">The Madingley Model initialisation</param>
public void RunEcologicalProcess(GridCellCohortHandler gridCellCohorts, GridCellStockHandler gridCellStocks,
int[] actingCohort, SortedList <string, double[]> cellEnvironment, Dictionary <string, Dictionary <string, double> > deltas,
FunctionalGroupDefinitions madingleyCohortDefinitions, FunctionalGroupDefinitions madingleyStockDefinitions,
uint currentTimestep, ProcessTracker trackProcesses, ref ThreadLockedParallelVariables partial,
Boolean specificLocations, string outputDetail, uint currentMonth, MadingleyModelInitialisation initialisation)
{
// Variables to hold the mortality rates
double MortalityRateBackground;
double MortalityRateSenescence;
double MortalityRateStarvation;
// Variable to hold the total abundance lost to all forms of mortality
double MortalityTotal;
// Individual body mass including change this time step as a result of other ecological processes
double BodyMassIncludingChangeThisTimeStep;
// Individual reproductive mass including change this time step as a result of other ecological processes
double ReproductiveMassIncludingChangeThisTimeStep;
// Calculate the body mass of individuals in this cohort including mass gained through eating this time step, up to but not exceeding adult body mass for this cohort.
// Should be fine because these deductions are made in the reproduction implementation, but use Math.Min to double check.
BodyMassIncludingChangeThisTimeStep = 0.0;
// Loop over all items in the biomass deltas
foreach (var Biomass in deltas["biomass"])
{
// Add the delta biomass to net biomass
BodyMassIncludingChangeThisTimeStep += Biomass.Value;
}
BodyMassIncludingChangeThisTimeStep = Math.Min(gridCellCohorts[actingCohort].AdultMass, BodyMassIncludingChangeThisTimeStep + gridCellCohorts[actingCohort].IndividualBodyMass);
// Temporary variable to hold net reproductive biomass change of individuals in this cohort as a result of other ecological processes
ReproductiveMassIncludingChangeThisTimeStep = 0.0;
// Loop over all items in the biomass deltas
foreach (var Biomass in deltas["reproductivebiomass"])
{
// Add the delta biomass to net biomass
ReproductiveMassIncludingChangeThisTimeStep += Biomass.Value;
}
ReproductiveMassIncludingChangeThisTimeStep += gridCellCohorts[actingCohort].IndividualReproductivePotentialMass;
// Check to see if the cohort has already been killed by predation etc
if ((BodyMassIncludingChangeThisTimeStep).CompareTo(0.0) <= 0)
{
// If individual body mass is not greater than zero, then all individuals become extinct
MortalityTotal = gridCellCohorts[actingCohort].CohortAbundance;
}
else
{
// Calculate background mortality rate
MortalityRateBackground = Implementations["basic background mortality"].CalculateMortalityRate(gridCellCohorts,
actingCohort, BodyMassIncludingChangeThisTimeStep, deltas, currentTimestep);
// If the cohort has matured, then calculate senescence mortality rate, otherwise set rate to zero
if (gridCellCohorts[actingCohort].MaturityTimeStep != uint.MaxValue)
{
MortalityRateSenescence = Implementations["basic senescence mortality"].CalculateMortalityRate(gridCellCohorts,
actingCohort, BodyMassIncludingChangeThisTimeStep, deltas, currentTimestep);
}
else
{
MortalityRateSenescence = 0.0;
}
// Calculate the starvation mortality rate based on individual body mass and maximum body mass ever
// achieved by this cohort
MortalityRateStarvation = Implementations["basic starvation mortality"].CalculateMortalityRate(gridCellCohorts, actingCohort, BodyMassIncludingChangeThisTimeStep, deltas, currentTimestep);
// Calculate the number of individuals that suffer mortality this time step from all sources of mortality
MortalityTotal = (1 - Math.Exp(-MortalityRateBackground - MortalityRateSenescence -
MortalityRateStarvation)) * gridCellCohorts[actingCohort].CohortAbundance;
}
// If the process tracker is on and output detail is set to high and this cohort has not been merged yet, then record
// the number of individuals that have died
if (trackProcesses.TrackProcesses && (outputDetail == "high") && (!gridCellCohorts[actingCohort].Merged))
{
trackProcesses.RecordMortality((uint)cellEnvironment["LatIndex"][0], (uint)cellEnvironment["LonIndex"][0], gridCellCohorts[actingCohort].BirthTimeStep,
currentTimestep, gridCellCohorts[actingCohort].IndividualBodyMass, gridCellCohorts[actingCohort].AdultMass,
gridCellCohorts[actingCohort].FunctionalGroupIndex,
gridCellCohorts[actingCohort].CohortID[0], MortalityTotal, "sen/bg/starv");
}
// Remove individuals that have died from the delta abundance for this cohort
deltas["abundance"]["mortality"] = -MortalityTotal;
// Add the biomass of individuals that have died to the delta biomass in the organic pool (including reproductive
// potential mass, and mass gained through eating, and excluding mass lost through metabolism)
deltas["organicpool"]["mortality"] = MortalityTotal * (BodyMassIncludingChangeThisTimeStep + ReproductiveMassIncludingChangeThisTimeStep);
}
/// <summary>
/// Apply the changes from predation to prey cohorts, and update deltas for the predator cohort
/// </summary>
/// <param name="gridCellCohorts">The cohorts in the current grid cell</param>
/// <param name="gridCellStocks">The stocks in the current grid cell</param>
/// <param name="actingCohort">The acting cohort</param>
/// <param name="cellEnvironment">The environment in the current grid cell</param>
/// <param name="deltas">The sorted list to track changes in biomass and abundance of the acting cohort in this grid cell</param>
/// <param name="madingleyCohortDefinitions">The functional group definitions for cohorts in the model</param>
/// <param name="madingleyStockDefinitions">The functional group definitions for stocks in the model</param>
/// <param name="trackProcesses">An instance of ProcessTracker to hold diagnostics for predation</param>
/// <param name="currentTimestep">The current model time step</param>
/// <param name="specificLocations">Whether the model is being run for specific locations</param>
/// <param name="outputDetail">The level of output detail used in this model run</param>
/// <param name="initialisation">The Madingley Model initialisation</param>
public void RunEating(GridCellCohortHandler gridCellCohorts, GridCellStockHandler gridCellStocks, int[] actingCohort, SortedList <string, double[]>
cellEnvironment, Dictionary <string, Dictionary <string, double> > deltas, FunctionalGroupDefinitions madingleyCohortDefinitions,
FunctionalGroupDefinitions madingleyStockDefinitions, ProcessTracker trackProcesses, uint currentTimestep, Boolean specificLocations,
string outputDetail, MadingleyModelInitialisation initialisation)
{
if (trackProcesses.TrackProcesses)
{
Track = (RandomNumberGenerator.GetUniform() > 0.975) ? true : false;
}
TempDouble = 0.0;
// Temporary variable to hold the total time spent eating + 1. Saves an extra calculation in CalculateAbundanceEaten
double TotalTimeUnitsToHandlePlusOne = TimeUnitsToHandlePotentialFoodItems + 1;
// Loop over potential prey functional groups
foreach (int FunctionalGroup in _FunctionalGroupIndicesToEat)
{
// Loop over cohorts within the functional group
for (int i = 0; i < NumberCohortsPerFunctionalGroupNoNewCohorts[FunctionalGroup]; i++)
{
// Get the individual body mass of this cohort
_BodyMassPrey = gridCellCohorts[FunctionalGroup][i].IndividualBodyMass;
// Calculate the actual abundance of prey eaten from this cohort
if (gridCellCohorts[FunctionalGroup][i].CohortAbundance > 0)
{
// Calculate the actual abundance of prey eaten from this cohort
_AbundancesEaten[FunctionalGroup][i] = CalculateAbundanceEaten(_PotentialAbundanceEaten[FunctionalGroup][i], _PredatorAbundanceMultipliedByTimeEating,
TotalTimeUnitsToHandlePlusOne, gridCellCohorts[FunctionalGroup][i].CohortAbundance);
}
else
{
_AbundancesEaten[FunctionalGroup][i] = 0;
}
// Remove number of prey eaten from the prey cohort
gridCellCohorts[FunctionalGroup][i].CohortAbundance -= _AbundancesEaten[FunctionalGroup][i];
gridCellCohorts[actingCohort].TrophicIndex += (_BodyMassPrey + gridCellCohorts[FunctionalGroup][i].IndividualReproductivePotentialMass) * _AbundancesEaten[FunctionalGroup][i] * gridCellCohorts[FunctionalGroup][i].TrophicIndex;
// If the process tracker is set and output detail is set to high and the prey cohort has never been merged,
// then track its mortality owing to predation
if (trackProcesses.TrackProcesses)
{
if ((outputDetail == "high") && (gridCellCohorts[FunctionalGroup][i].CohortID.Count == 1) &&
AbundancesEaten[FunctionalGroup][i] > 0)
{
trackProcesses.RecordMortality((uint)cellEnvironment["LatIndex"][0], (uint)cellEnvironment["LonIndex"][0], gridCellCohorts
[FunctionalGroup][i].BirthTimeStep, currentTimestep, gridCellCohorts[FunctionalGroup][i].IndividualBodyMass,
gridCellCohorts[FunctionalGroup][i].AdultMass, gridCellCohorts[FunctionalGroup][i].FunctionalGroupIndex,
gridCellCohorts[FunctionalGroup][i].CohortID[0], AbundancesEaten[FunctionalGroup][i], "predation");
}
// If the model is being run for specific locations and if track processes has been specified, then track the mass flow between
// prey and predator
if (specificLocations)
{
trackProcesses.RecordPredationMassFlow(currentTimestep, _BodyMassPrey, _BodyMassPredator, _BodyMassPrey *
_AbundancesEaten[FunctionalGroup][i]);
if (outputDetail == "high")
{
trackProcesses.TrackPredationTrophicFlow((uint)cellEnvironment["LatIndex"][0], (uint)cellEnvironment["LonIndex"][0],
gridCellCohorts[FunctionalGroup][i].FunctionalGroupIndex, gridCellCohorts[actingCohort].FunctionalGroupIndex,
madingleyCohortDefinitions, (_AbundancesEaten[FunctionalGroup][i] * _BodyMassPrey), _BodyMassPredator, _BodyMassPrey,
initialisation, cellEnvironment["Realm"][0] == 2.0);
}
}
}
// Check that the abundance eaten from this cohort is not negative
// Commented out for the purposes of speed
//Debug.Assert( _AbundancesEaten[FunctionalGroup][i].CompareTo(0.0) >= 0,
// "Predation negative for this prey cohort" + actingCohort);
// Create a temporary value to speed up the predation function
// This is equivalent to the body mass of the prey cohort including reproductive potential mass, times the abundance eaten of the prey cohort,
// divided by the abundance of the predator
TempDouble += (_BodyMassPrey + gridCellCohorts[FunctionalGroup][i].IndividualReproductivePotentialMass) * _AbundancesEaten[FunctionalGroup][i] / _AbundancePredator;
}
}
// Add the biomass eaten and assimilated by an individual to the delta biomass for the acting (predator) cohort
deltas["biomass"]["predation"] = TempDouble * _PredatorAssimilationEfficiency;
// Move the biomass eaten but not assimilated by an individual into the organic matter pool
deltas["organicpool"]["predation"] = TempDouble * _PredatorNonAssimilation * _AbundancePredator;
// Check that the delta biomass from eating for the acting cohort is not negative
//Debug.Assert(deltas["biomass"]["predation"] >= 0, "Predation yields negative biomass");
// Calculate the total biomass eaten by the acting (predator) cohort
_TotalBiomassEatenByCohort = deltas["biomass"]["predation"] * _AbundancePredator;
}
/// <summary>
/// Run mortality
/// </summary>
/// <param name="gridCellCohorts">The cohorts in the current grid cell</param>
/// <param name="gridCellStocks">The stocks in the current grid cell</param>
/// <param name="actingCohort">The position of the acting cohort in the jagged array of grid cell cohorts</param>
/// <param name="cellEnvironment">The environment in the current grid cell</param>
/// <param name="deltas">The sorted list to track changes in biomass and abundance of the acting cohort in this grid cell</param>
/// <param name="madingleyCohortDefinitions">The definitions for cohort functional groups in the model</param>
/// <param name="madingleyStockDefinitions">The definitions for stock functional groups in the model</param>
/// <param name="currentTimestep">The current model time step</param>
/// <param name="trackProcesses">An instance of ProcessTracker to hold diagnostics for mortality</param>
/// <param name="partial">Thread-locked variables</param>
/// <param name="specificLocations">Whether the model is being run for specific locations</param>
/// <param name="outputDetail">The level output detail being used for the current model run</param>
/// <param name="currentMonth">The current model month</param>
/// <param name="initialisation">The Madingley Model initialisation</param>
public void RunEcologicalProcess(GridCellCohortHandler gridCellCohorts, GridCellStockHandler gridCellStocks,
int[] actingCohort, SortedList<string, double[]> cellEnvironment, Dictionary<string, Dictionary<string, double>> deltas,
FunctionalGroupDefinitions madingleyCohortDefinitions, FunctionalGroupDefinitions madingleyStockDefinitions,
uint currentTimestep, ProcessTracker trackProcesses, ref ThreadLockedParallelVariables partial,
Boolean specificLocations, string outputDetail, uint currentMonth, MadingleyModelInitialisation initialisation)
{
// Variables to hold the mortality rates
double MortalityRateBackground;
double MortalityRateSenescence;
double MortalityRateStarvation;
// Variable to hold the total abundance lost to all forms of mortality
double MortalityTotal;
// Individual body mass including change this time step as a result of other ecological processes
double BodyMassIncludingChangeThisTimeStep;
// Individual reproductive mass including change this time step as a result of other ecological processes
double ReproductiveMassIncludingChangeThisTimeStep;
// Calculate the body mass of individuals in this cohort including mass gained through eating this time step, up to but not exceeding adult body mass for this cohort.
// Should be fine because these deductions are made in the reproduction implementation, but use Math.Min to double check.
BodyMassIncludingChangeThisTimeStep = 0.0;
// Loop over all items in the biomass deltas
foreach (var Biomass in deltas["biomass"])
{
// Add the delta biomass to net biomass
BodyMassIncludingChangeThisTimeStep += Biomass.Value;
}
BodyMassIncludingChangeThisTimeStep = Math.Min(gridCellCohorts[actingCohort].AdultMass, BodyMassIncludingChangeThisTimeStep + gridCellCohorts[actingCohort].IndividualBodyMass);
// Temporary variable to hold net reproductive biomass change of individuals in this cohort as a result of other ecological processes
ReproductiveMassIncludingChangeThisTimeStep = 0.0;
// Loop over all items in the biomass deltas
foreach (var Biomass in deltas["reproductivebiomass"])
{
// Add the delta biomass to net biomass
ReproductiveMassIncludingChangeThisTimeStep += Biomass.Value;
}
ReproductiveMassIncludingChangeThisTimeStep += gridCellCohorts[actingCohort].IndividualReproductivePotentialMass;
// Check to see if the cohort has already been killed by predation etc
if ((BodyMassIncludingChangeThisTimeStep).CompareTo(0.0) <= 0)
{
// If individual body mass is not greater than zero, then all individuals become extinct
MortalityTotal = gridCellCohorts[actingCohort].CohortAbundance;
}
else
{
// Calculate background mortality rate
MortalityRateBackground = Implementations["basic background mortality"].CalculateMortalityRate(gridCellCohorts,
actingCohort, BodyMassIncludingChangeThisTimeStep, deltas, currentTimestep);
// If the cohort has matured, then calculate senescence mortality rate, otherwise set rate to zero
if (gridCellCohorts[actingCohort].MaturityTimeStep != uint.MaxValue)
{
MortalityRateSenescence = Implementations["basic senescence mortality"].CalculateMortalityRate(gridCellCohorts,
actingCohort, BodyMassIncludingChangeThisTimeStep, deltas, currentTimestep);
}
else
{
MortalityRateSenescence = 0.0;
}
// Calculate the starvation mortality rate based on individual body mass and maximum body mass ever
// achieved by this cohort
MortalityRateStarvation = Implementations["basic starvation mortality"].CalculateMortalityRate(gridCellCohorts, actingCohort, BodyMassIncludingChangeThisTimeStep, deltas, currentTimestep);
// Calculate the number of individuals that suffer mortality this time step from all sources of mortality
MortalityTotal = (1 - Math.Exp(-MortalityRateBackground - MortalityRateSenescence -
MortalityRateStarvation)) * gridCellCohorts[actingCohort].CohortAbundance;
}
// If the process tracker is on and output detail is set to high and this cohort has not been merged yet, then record
// the number of individuals that have died
if (trackProcesses.TrackProcesses && (outputDetail == "high") && (!gridCellCohorts[actingCohort].Merged))
{
trackProcesses.RecordMortality((uint)cellEnvironment["LatIndex"][0], (uint)cellEnvironment["LonIndex"][0], gridCellCohorts[actingCohort].BirthTimeStep,
currentTimestep, gridCellCohorts[actingCohort].IndividualBodyMass, gridCellCohorts[actingCohort].AdultMass,
gridCellCohorts[actingCohort].FunctionalGroupIndex,
gridCellCohorts[actingCohort].CohortID[0], MortalityTotal, "sen/bg/starv");
}
// Remove individuals that have died from the delta abundance for this cohort
deltas["abundance"]["mortality"] = -MortalityTotal;
// Add the biomass of individuals that have died to the delta biomass in the organic pool (including reproductive
// potential mass, and mass gained through eating, and excluding mass lost through metabolism)
deltas["organicpool"]["mortality"] = MortalityTotal * (BodyMassIncludingChangeThisTimeStep + ReproductiveMassIncludingChangeThisTimeStep);
}
