Пример #1
0
        /// <summary>
        /// Generate new cohorts from reproductive potential mass
        /// </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 of 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 of cohort functional groups in the model</param>
        /// <param name="madingleyStockDefinitions">The definitions of stock functional groups in the model</param>
        /// <param name="currentTimestep">The current model time step</param>
        /// <param name="tracker">An instance of ProcessTracker to hold diagnostics for reproduction</param>
        /// <param name="partial">Thread-locked variables</param>
        public void RunReproduction(GridCellCohortHandler gridCellCohorts, GridCellStockHandler gridCellStocks,
                                    int[] actingCohort, SortedList <string, double[]> cellEnvironment, Dictionary <string, Dictionary <string, double> >
                                    deltas, FunctionalGroupDefinitions madingleyCohortDefinitions, FunctionalGroupDefinitions madingleyStockDefinitions,
                                    uint currentTimestep, ProcessTracker tracker, ref ThreadLockedParallelVariables partial)
        {
            // Check that the abundance in the cohort to produce is greater than or equal to zero
            Debug.Assert(_OffspringCohortAbundance >= 0.0, "Offspring abundance < 0");

            // Get the adult and juvenile masses of the cohort to produce
            double[] OffspringProperties = GetOffspringCohortProperties(gridCellCohorts, actingCohort,
                                                                        madingleyCohortDefinitions);

            // Update cohort abundance in case juvenile mass has been altered
            _OffspringCohortAbundance = (_OffspringCohortAbundance * gridCellCohorts[actingCohort].JuvenileMass) /
                                        OffspringProperties[0];

            //Create the offspring cohort
            Cohort OffspringCohort = new Cohort((byte)actingCohort[0],
                                                OffspringProperties[0],
                                                OffspringProperties[1],
                                                OffspringProperties[0],
                                                _OffspringCohortAbundance,
                                                (ushort)currentTimestep, ref partial.NextCohortIDThreadLocked);

            // Add the offspring cohort to the grid cell cohorts array
            gridCellCohorts[actingCohort[0]].Add(OffspringCohort);

            // If the cohort has never been merged with another cohort, then add it to the tracker for output as diagnostics
            if ((!gridCellCohorts[actingCohort].Merged) && tracker.TrackProcesses)
            {
                tracker.RecordNewCohort((uint)cellEnvironment["LatIndex"][0],
                                        (uint)cellEnvironment["LonIndex"][0], currentTimestep, _OffspringCohortAbundance,
                                        gridCellCohorts[actingCohort].AdultMass, gridCellCohorts[actingCohort].FunctionalGroupIndex);
            }

            // Subtract all of the reproductive potential mass of the parent cohort, which has been used to generate the new
            // cohort, from the delta reproductive potential mass
            deltas["reproductivebiomass"]["reproduction"] -= (gridCellCohorts[actingCohort].IndividualReproductivePotentialMass);
        }
        /// <summary>
        /// Generate new cohorts from reproductive potential mass
        /// </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 of 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 of cohort functional groups in the model</param>
        /// <param name="madingleyStockDefinitions">The definitions of stock functional groups in the model</param>
        /// <param name="currentTimestep">The current model time step</param>
        /// <param name="tracker">An instance of ProcessTracker to hold diagnostics for reproduction</param>
        /// <param name="partial">Thread-locked variables</param>
        public void RunReproduction(GridCellCohortHandler gridCellCohorts, GridCellStockHandler gridCellStocks,
            int[] actingCohort, SortedList<string, double[]> cellEnvironment, Dictionary<string, Dictionary<string, double>>
            deltas, FunctionalGroupDefinitions madingleyCohortDefinitions, FunctionalGroupDefinitions madingleyStockDefinitions,
            uint currentTimestep, ProcessTracker tracker, ref ThreadLockedParallelVariables partial)
        {
            // Check that the abundance in the cohort to produce is greater than or equal to zero
            Debug.Assert(_OffspringCohortAbundance >= 0.0, "Offspring abundance < 0");

            // Get the adult and juvenile masses of the cohort to produce
            double[] OffspringProperties = GetOffspringCohortProperties(gridCellCohorts, actingCohort,
                madingleyCohortDefinitions);

            // Update cohort abundance in case juvenile mass has been altered
            _OffspringCohortAbundance = (_OffspringCohortAbundance * gridCellCohorts[actingCohort].JuvenileMass) /
                OffspringProperties[0];

            //Create the offspring cohort
            Cohort OffspringCohort = new Cohort((byte)actingCohort[0],
                                                OffspringProperties[0],
                                                OffspringProperties[1],
                                                OffspringProperties[0],
                                                _OffspringCohortAbundance,
                                                (ushort)currentTimestep, ref partial.NextCohortIDThreadLocked);

            // Add the offspring cohort to the grid cell cohorts array
            gridCellCohorts[actingCohort[0]].Add(OffspringCohort);

            // If the cohort has never been merged with another cohort, then add it to the tracker for output as diagnostics
            if ((!gridCellCohorts[actingCohort].Merged) && tracker.TrackProcesses)
                tracker.RecordNewCohort((uint)cellEnvironment["LatIndex"][0],
                    (uint)cellEnvironment["LonIndex"][0], currentTimestep, _OffspringCohortAbundance,
                    gridCellCohorts[actingCohort].AdultMass, gridCellCohorts[actingCohort].FunctionalGroupIndex);

            // Subtract all of the reproductive potential mass of the parent cohort, which has been used to generate the new
            // cohort, from the delta reproductive potential mass
            deltas["reproductivebiomass"]["reproduction"] -= (gridCellCohorts[actingCohort].IndividualReproductivePotentialMass);

        }
        /// <summary>
        /// Generate new cohorts from reproductive potential mass
        /// </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 of 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 of cohort functional groups in the model</param>
        /// <param name="madingleyStockDefinitions">The definitions of stock functional groups in the model</param>
        /// <param name="currentTimestep">The current model time step</param>
        /// <param name="tracker">An instance of ProcessTracker to hold diagnostics for reproduction</param>
        /// <param name="partial">Thread-locked variables</param>
        /// <param name="iteroparous">Whether the acting cohort is iteroparous, as opposed to semelparous</param>
        /// <param name="currentMonth">The current model month</param>
        public void RunReproductionEvents(GridCellCohortHandler gridCellCohorts, GridCellStockHandler gridCellStocks,
            int[] actingCohort, SortedList<string, double[]> cellEnvironment, Dictionary<string, Dictionary<string, double>>
            deltas, FunctionalGroupDefinitions madingleyCohortDefinitions, FunctionalGroupDefinitions madingleyStockDefinitions,
            uint currentTimestep, ProcessTracker tracker, ref ThreadLockedParallelVariables partial, bool iteroparous, uint currentMonth)
        {
            // Adult non-reproductive biomass lost by semelparous organisms
            double AdultMassLost;

            // Offspring cohort abundance
            double _OffspringCohortAbundance;

            // Mass ratio of body mass + reproductive mass to adult body mass
            double CurrentMassRatio;

            // Individual body mass including change this time step as a result of other ecological processes
            double BodyMassIncludingChangeThisTimeStep;

            // Offspring juvenile and adult body masses
            double[] OffspringJuvenileAndAdultBodyMasses = new double[2];

            // Offspring cohort
            Cohort OffspringCohort;

            // Individual reproductive mass including change this time step as a result of other ecological processes
            double ReproductiveMassIncludingChangeThisTimeStep;

            // Calculate the biomass of an individual in this cohort including changes this time step from other ecological processes  
            BodyMassIncludingChangeThisTimeStep = 0.0;

            foreach (var Biomass in deltas["biomass"])
            {
                // Add the delta biomass to net biomass
                BodyMassIncludingChangeThisTimeStep += Biomass.Value;

            }

            BodyMassIncludingChangeThisTimeStep += gridCellCohorts[actingCohort].IndividualBodyMass;

            // Calculate the reproductive biomass of an individual in this cohort including changes this time step from other ecological processes  
            ReproductiveMassIncludingChangeThisTimeStep = 0.0;

            foreach (var ReproBiomass in deltas["reproductivebiomass"])
            {
                // Add the delta reproductive biomass to net biomass
                ReproductiveMassIncludingChangeThisTimeStep += ReproBiomass.Value;
            }

            ReproductiveMassIncludingChangeThisTimeStep += gridCellCohorts[actingCohort].IndividualReproductivePotentialMass;

            // Get the current ratio of total individual mass (including reproductive potential) to adult body mass
            CurrentMassRatio = (BodyMassIncludingChangeThisTimeStep + ReproductiveMassIncludingChangeThisTimeStep) / gridCellCohorts[actingCohort].AdultMass;

            // Must have enough mass to hit reproduction threshold criterion, and either (1) be in breeding season, or (2) be a marine cell (no breeding season in marine cells)
            if ((CurrentMassRatio > _MassRatioThreshold) && ((cellEnvironment["Breeding Season"][currentMonth] == 1.0) || ((cellEnvironment["Realm"][0] == 2.0))))
            {
                // Iteroparous and semelparous organisms have different strategies
                if (iteroparous)
                {
                    // Iteroparous organisms do not allocate any of their current non-reproductive biomass to reproduction
                    AdultMassLost = 0.0;

                    // Calculate the number of offspring that could be produced given the reproductive potential mass of individuals
                    _OffspringCohortAbundance = gridCellCohorts[actingCohort].CohortAbundance * ReproductiveMassIncludingChangeThisTimeStep /
                        gridCellCohorts[actingCohort].JuvenileMass;
                }
                else
                {
                    // Semelparous organisms allocate a proportion of their current non-reproductive biomass (including the effects of other ecological processes) to reproduction
                    AdultMassLost = _SemelparityAdultMassAllocation * BodyMassIncludingChangeThisTimeStep;

                    // Calculate the number of offspring that could be produced given the reproductive potential mass of individuals
                    _OffspringCohortAbundance = gridCellCohorts[actingCohort].CohortAbundance * (AdultMassLost + ReproductiveMassIncludingChangeThisTimeStep) /
                        gridCellCohorts[actingCohort].JuvenileMass;
                }

                // Check that the abundance in the cohort to produce is greater than or equal to zero
                Debug.Assert(_OffspringCohortAbundance >= 0.0, "Offspring abundance < 0");

                // Get the adult and juvenile masses of the offspring cohort
                OffspringJuvenileAndAdultBodyMasses = GetOffspringCohortProperties(gridCellCohorts, actingCohort, madingleyCohortDefinitions);

                // Update cohort abundance in case juvenile mass has been altered through 'evolution'
                _OffspringCohortAbundance = (_OffspringCohortAbundance * gridCellCohorts[actingCohort].JuvenileMass) / OffspringJuvenileAndAdultBodyMasses[0];

                double TrophicIndex;
                switch (madingleyCohortDefinitions.GetTraitNames("nutrition source", actingCohort[0]))
                {
                    case "herbivore":
                        TrophicIndex = 2;
                        break;
                    case "omnivore":
                        TrophicIndex = 2.5;
                        break;
                    case "carnivore":
                        TrophicIndex = 3;
                        break;
                    default:
                        Debug.Fail("Unexpected nutrition source trait value when assigning trophic index");
                        TrophicIndex = 0.0;
                        break;
                }

                // Create the offspring cohort
                OffspringCohort = new Cohort((byte)actingCohort[0], OffspringJuvenileAndAdultBodyMasses[0], OffspringJuvenileAndAdultBodyMasses[1], OffspringJuvenileAndAdultBodyMasses[0],
                                                    _OffspringCohortAbundance, Math.Exp(gridCellCohorts[actingCohort].LogOptimalPreyBodySizeRatio),
                                                    (ushort)currentTimestep, gridCellCohorts[actingCohort].ProportionTimeActive, ref partial.NextCohortIDThreadLocked, TrophicIndex, tracker.TrackProcesses);

                // Add the offspring cohort to the grid cell cohorts array
                gridCellCohorts[actingCohort[0]].Add(OffspringCohort);

                // If track processes has been specified then add the new cohort to the process tracker 
                if (tracker.TrackProcesses)
                    tracker.RecordNewCohort((uint)cellEnvironment["LatIndex"][0], (uint)cellEnvironment["LonIndex"][0],
                        currentTimestep, _OffspringCohortAbundance, gridCellCohorts[actingCohort].AdultMass, gridCellCohorts[actingCohort].FunctionalGroupIndex,
                        gridCellCohorts[actingCohort].CohortID, (uint)partial.NextCohortIDThreadLocked);

                // Subtract all of the reproductive potential mass of the parent cohort, which has been used to generate the new
                // cohort, from the delta reproductive potential mass and delta adult body mass
                deltas["reproductivebiomass"]["reproduction"] -= ReproductiveMassIncludingChangeThisTimeStep;
                deltas["biomass"]["reproduction"] -= AdultMassLost;

            }
            else
            {
                // Organism is not large enough, or it is not the breeding season, so take no action
            }

        }
Пример #4
0
        /// <summary>
        /// Generate new cohorts from reproductive potential mass
        /// </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 of 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 of cohort functional groups in the model</param>
        /// <param name="madingleyStockDefinitions">The definitions of stock functional groups in the model</param>
        /// <param name="currentTimestep">The current model time step</param>
        /// <param name="tracker">An instance of ProcessTracker to hold diagnostics for reproduction</param>
        /// <param name="partial">Thread-locked variables</param>
        /// <param name="iteroparous">Whether the acting cohort is iteroparous, as opposed to semelparous</param>
        /// <param name="currentMonth">The current model month</param>
        public void RunReproductionEvents(GridCellCohortHandler gridCellCohorts, GridCellStockHandler gridCellStocks,
                                          int[] actingCohort, SortedList <string, double[]> cellEnvironment, Dictionary <string, Dictionary <string, double> >
                                          deltas, FunctionalGroupDefinitions madingleyCohortDefinitions, FunctionalGroupDefinitions madingleyStockDefinitions,
                                          uint currentTimestep, ProcessTracker tracker, ref ThreadLockedParallelVariables partial, bool iteroparous, uint currentMonth)
        {
            // Adult non-reproductive biomass lost by semelparous organisms
            double AdultMassLost;

            // Offspring cohort abundance
            double _OffspringCohortAbundance;

            // Mass ratio of body mass + reproductive mass to adult body mass
            double CurrentMassRatio;

            // Individual body mass including change this time step as a result of other ecological processes
            double BodyMassIncludingChangeThisTimeStep;

            // Offspring juvenile and adult body masses
            double[] OffspringJuvenileAndAdultBodyMasses = new double[2];

            // Offspring cohort
            Cohort OffspringCohort;

            // Individual reproductive mass including change this time step as a result of other ecological processes
            double ReproductiveMassIncludingChangeThisTimeStep;


            // Calculate the biomass of an individual in this cohort including changes this time step from other ecological processes
            BodyMassIncludingChangeThisTimeStep = 0.0;

            foreach (var Biomass in deltas["biomass"])
            {
                // Add the delta biomass to net biomass
                BodyMassIncludingChangeThisTimeStep += Biomass.Value;
            }

            BodyMassIncludingChangeThisTimeStep += gridCellCohorts[actingCohort].IndividualBodyMass;

            // Calculate the reproductive biomass of an individual in this cohort including changes this time step from other ecological processes
            ReproductiveMassIncludingChangeThisTimeStep = 0.0;

            foreach (var ReproBiomass in deltas["reproductivebiomass"])
            {
                // Add the delta reproductive biomass to net biomass
                ReproductiveMassIncludingChangeThisTimeStep += ReproBiomass.Value;
            }

            ReproductiveMassIncludingChangeThisTimeStep += gridCellCohorts[actingCohort].IndividualReproductivePotentialMass;

            // Get the current ratio of total individual mass (including reproductive potential) to adult body mass
            CurrentMassRatio = (BodyMassIncludingChangeThisTimeStep + ReproductiveMassIncludingChangeThisTimeStep) / gridCellCohorts[actingCohort].AdultMass;

            // Must have enough mass to hit reproduction threshold criterion, and either (1) be in breeding season, or (2) be a marine cell (no breeding season in marine cells)
            if ((CurrentMassRatio > _MassRatioThreshold) && ((cellEnvironment["Breeding Season"][currentMonth] == 1.0) || ((cellEnvironment["Realm"][0] == 2.0))))
            {
                // Iteroparous and semelparous organisms have different strategies
                if (iteroparous)
                {
                    // Iteroparous organisms do not allocate any of their current non-reproductive biomass to reproduction
                    AdultMassLost = 0.0;

                    // Calculate the number of offspring that could be produced given the reproductive potential mass of individuals
                    _OffspringCohortAbundance = gridCellCohorts[actingCohort].CohortAbundance * ReproductiveMassIncludingChangeThisTimeStep /
                                                gridCellCohorts[actingCohort].JuvenileMass;
                }
                else
                {
                    // Semelparous organisms allocate a proportion of their current non-reproductive biomass (including the effects of other ecological processes) to reproduction
                    AdultMassLost = _SemelparityAdultMassAllocation * BodyMassIncludingChangeThisTimeStep;

                    // Calculate the number of offspring that could be produced given the reproductive potential mass of individuals
                    _OffspringCohortAbundance = gridCellCohorts[actingCohort].CohortAbundance * (AdultMassLost + ReproductiveMassIncludingChangeThisTimeStep) /
                                                gridCellCohorts[actingCohort].JuvenileMass;
                }

                // Check that the abundance in the cohort to produce is greater than or equal to zero
                Debug.Assert(_OffspringCohortAbundance >= 0.0, "Offspring abundance < 0");

                // Get the adult and juvenile masses of the offspring cohort
                OffspringJuvenileAndAdultBodyMasses = GetOffspringCohortProperties(gridCellCohorts, actingCohort, madingleyCohortDefinitions);

                // Update cohort abundance in case juvenile mass has been altered through 'evolution'
                _OffspringCohortAbundance = (_OffspringCohortAbundance * gridCellCohorts[actingCohort].JuvenileMass) / OffspringJuvenileAndAdultBodyMasses[0];

                double TrophicIndex;
                switch (madingleyCohortDefinitions.GetTraitNames("nutrition source", actingCohort[0]))
                {
                case "herbivore":
                    TrophicIndex = 2;
                    break;

                case "omnivore":
                    TrophicIndex = 2.5;
                    break;

                case "carnivore":
                    TrophicIndex = 3;
                    break;

                default:
                    Debug.Fail("Unexpected nutrition source trait value when assigning trophic index");
                    TrophicIndex = 0.0;
                    break;
                }

                // Create the offspring cohort
                OffspringCohort = new Cohort((byte)actingCohort[0], OffspringJuvenileAndAdultBodyMasses[0], OffspringJuvenileAndAdultBodyMasses[1], OffspringJuvenileAndAdultBodyMasses[0],
                                             _OffspringCohortAbundance, Math.Exp(gridCellCohorts[actingCohort].LogOptimalPreyBodySizeRatio),
                                             (ushort)currentTimestep, gridCellCohorts[actingCohort].ProportionTimeActive, ref partial.NextCohortIDThreadLocked, TrophicIndex, tracker.TrackProcesses);

                // Add the offspring cohort to the grid cell cohorts array
                gridCellCohorts[actingCohort[0]].Add(OffspringCohort);

                // If track processes has been specified then add the new cohort to the process tracker
                if (tracker.TrackProcesses)
                {
                    tracker.RecordNewCohort((uint)cellEnvironment["LatIndex"][0], (uint)cellEnvironment["LonIndex"][0],
                                            currentTimestep, _OffspringCohortAbundance, gridCellCohorts[actingCohort].AdultMass, gridCellCohorts[actingCohort].FunctionalGroupIndex,
                                            gridCellCohorts[actingCohort].CohortID, (uint)partial.NextCohortIDThreadLocked);
                }

                // Subtract all of the reproductive potential mass of the parent cohort, which has been used to generate the new
                // cohort, from the delta reproductive potential mass and delta adult body mass
                deltas["reproductivebiomass"]["reproduction"] -= ReproductiveMassIncludingChangeThisTimeStep;
                deltas["biomass"]["reproduction"]             -= AdultMassLost;
            }
            else
            {
                // Organism is not large enough, or it is not the breeding season, so take no action
            }
        }