Пример #1
0
        public void MalcolmKnappNelder()
        {
            using Model nelder1 = LandTest.LoadProject(LandTest.GetMalcolmKnappProjectPath(TestConstant.MalcolmKnapp.Nelder1));
            ModelTest.VerifyMalcolmKnappResourceUnit(nelder1);
            for (int year = 0; year < 26; ++year) // age 25 to 51
            {
                nelder1.RunYear();
            }

            ModelTest.VerifyMalcolmKnappClimate(nelder1);
            ModelTest.VerifyMalcolmKnappModel(nelder1);
            ModelTest.VerifyMalcolmKnappDouglasFir(nelder1);
        }
Пример #2
0
        public void MalcolmKnapp16()
        {
            using Model plot16 = LandTest.LoadProject(LandTest.GetMalcolmKnappProjectPath(TestConstant.MalcolmKnapp.Plot16));

            // check soil properties at initial load
            ModelTest.VerifyMalcolmKnappResourceUnit(plot16);

            // 2019 - 1985 + 1 = 35 years of data available
            for (int year = 0; year < 35; ++year)
            {
                plot16.RunYear();
            }

            ModelTest.VerifyMalcolmKnappClimate(plot16);
            ModelTest.VerifyMalcolmKnappModel(plot16);
            ModelTest.VerifyMalcolmKnappDouglasFir(plot16);
        }
Пример #3
0
        public void Kalkalpen()
        {
            for (int reliabilityIteration = 0; reliabilityIteration < 1 /* 100 */; ++reliabilityIteration)
            {
                using Model kalkalpen = LandTest.LoadProject(LandTest.GetKalkalpenProjectPath(this.TestContext !));

                ModelTest.VerifyKalkalpenModel(kalkalpen);
                ModelTest.VerifyNorwaySpruce(kalkalpen);

                Dictionary <int, float> initialDiameters = new();
                Dictionary <int, float> initialHeights   = new();
                Dictionary <int, float> finalDiameters   = new();
                Dictionary <int, float> finalHeights     = new();
                for (int year = 0; year < 3; ++year)
                {
                    initialDiameters.Clear();
                    initialHeights.Clear();
                    foreach (Trees treesOfSpecies in kalkalpen.Landscape.ResourceUnits[0].Trees.TreesBySpeciesID.Values)
                    {
                        for (int treeIndex = 0; treeIndex < treesOfSpecies.Count; ++treeIndex)
                        {
                            initialDiameters.Add(treesOfSpecies.Tag[treeIndex], treesOfSpecies.Dbh[treeIndex]);
                            initialHeights.Add(treesOfSpecies.Tag[treeIndex], treesOfSpecies.Height[treeIndex]);
                        }
                    }

                    kalkalpen.RunYear();

                    foreach (ResourceUnit ru in kalkalpen.Landscape.ResourceUnits)
                    {
                        // not currently checked
                        //ru.CornerPointOffset;
                        //ru.HasDeadTrees;
                        //ru.SaplingCells;
                        //ru.Snags;
                        //ru.Soil;
                        //ru.Species;
                        //ru.SpeciesSet;
                        //ru.Trees;
                        //ru.Variables;
                        Assert.IsTrue(kalkalpen.Landscape.ResourceUnitGrid.PhysicalExtent.Contains(ru.BoundingBox));
                        Assert.IsTrue((ru.BoundingBox.Height == Constant.RUSize) && (ru.BoundingBox.Width == Constant.RUSize) &&
                                      (ru.BoundingBox.X == 0.0F) && (MathF.Abs(ru.BoundingBox.Y % 100.0F) < 0.001F));
                        Assert.IsTrue(ru.EnvironmentID >= 0);
                        Assert.IsTrue(ru.ResourceUnitGridIndex >= 0);
                        Assert.IsTrue(ru.AreaInLandscape == Constant.RUArea);
                        Assert.IsTrue((ru.AreaWithTrees > 0.0) && (ru.AreaWithTrees <= Constant.RUArea));
                        Assert.IsTrue((ru.Trees.AverageLeafAreaWeightedAgingFactor > 0.0) && (ru.Trees.AverageLeafAreaWeightedAgingFactor < 1.0));
                        Assert.IsTrue((ru.Trees.AverageLightRelativeIntensity > 0.0) && (ru.Trees.AverageLightRelativeIntensity <= 1.0));
                        Assert.IsTrue((ru.Trees.PhotosyntheticallyActiveArea > 0.0) && (ru.Trees.PhotosyntheticallyActiveArea <= Constant.RUArea));
                        Assert.IsTrue((ru.Trees.PhotosyntheticallyActiveAreaPerLightWeightedLeafArea > 0.0) && (ru.Trees.PhotosyntheticallyActiveAreaPerLightWeightedLeafArea <= 1.0));
                        Assert.IsTrue(ru.Trees.TreeStatisticsByStandID.Count == 0);
                        Assert.IsTrue((ru.Trees.TotalLeafArea > 0.0) && (ru.Trees.TotalLeafArea < 20.0F * Constant.RUArea));
                    }

                    Assert.IsTrue(kalkalpen.Landscape.ResourceUnits.Count == 2);
                    Assert.IsTrue(kalkalpen.Landscape.ResourceUnitGrid.Count == 2);

                    finalDiameters.Clear();
                    finalHeights.Clear();

                    foreach (Trees treesOfSpecies in kalkalpen.Landscape.ResourceUnits[0].Trees.TreesBySpeciesID.Values)
                    {
                        for (int treeIndex = 0; treeIndex < treesOfSpecies.Count; ++treeIndex)
                        {
                            finalDiameters.Add(treesOfSpecies.Tag[treeIndex], treesOfSpecies.Dbh[treeIndex]);
                            finalHeights.Add(treesOfSpecies.Tag[treeIndex], treesOfSpecies.Height[treeIndex]);

                            Assert.IsTrue((treesOfSpecies.Age[treeIndex] > 0 + year) && (treesOfSpecies.Age[treeIndex] < 100 + year));
                            Assert.IsTrue(treesOfSpecies.GetBasalArea(treeIndex) > 0.0);
                            Assert.IsTrue((treesOfSpecies.CoarseRootMass[treeIndex] >= 0.0F) && (treesOfSpecies.CoarseRootMass[treeIndex] < 1E6F));
                            Assert.IsTrue((treesOfSpecies.Dbh[treeIndex] > 0.0F) && (treesOfSpecies.Dbh[treeIndex] < 200.0F));
                            Assert.IsTrue((treesOfSpecies.DbhDelta[treeIndex] >= 0.0F) && (treesOfSpecies.DbhDelta[treeIndex] < 10.0F));
                            Assert.IsTrue((treesOfSpecies.FineRootMass[treeIndex] > 0.0F) && (treesOfSpecies.FineRootMass[treeIndex] < 1E6F));
                            Assert.IsTrue((treesOfSpecies.FoliageMass[treeIndex] > 0.0F) && (treesOfSpecies.FoliageMass[treeIndex] < 1000.0F));
                            Assert.IsTrue(treesOfSpecies.GetBranchBiomass(treeIndex) > 0.0F);
                            Assert.IsTrue(treesOfSpecies.GetCrownRadius(treeIndex) > 0.0F);
                            Assert.IsTrue(treesOfSpecies.IsCutDown(treeIndex) == false);
                            Assert.IsTrue(treesOfSpecies.IsDead(treeIndex) == false);
                            Assert.IsTrue(treesOfSpecies.IsDeadBarkBeetle(treeIndex) == false);
                            Assert.IsTrue(treesOfSpecies.IsDeadFire(treeIndex) == false);
                            Assert.IsTrue(treesOfSpecies.IsDeadWind(treeIndex) == false);
                            Assert.IsTrue(treesOfSpecies.IsHarvested(treeIndex) == false);
                            Assert.IsTrue(treesOfSpecies.IsMarkedAsCropCompetitor(treeIndex) == false);
                            Assert.IsTrue(treesOfSpecies.IsMarkedAsCropTree(treeIndex) == false);
                            Assert.IsTrue(treesOfSpecies.IsMarkedForCut(treeIndex) == false);
                            Assert.IsTrue(treesOfSpecies.IsMarkedForHarvest(treeIndex) == false);
                            Assert.IsTrue(treesOfSpecies.GetStemVolume(treeIndex) > 0.0F);
                            Assert.IsTrue((treesOfSpecies.Height[treeIndex] > 0.0F) && (treesOfSpecies.Height[treeIndex] < 100.0F));
                            Assert.IsTrue((treesOfSpecies.Tag[treeIndex] > 0) && (treesOfSpecies.Tag[treeIndex] < 40));
                            Assert.IsTrue((treesOfSpecies.LeafArea[treeIndex] > 0.0F) && (treesOfSpecies.LeafArea[treeIndex] < 1000.0F));
                            // Assert.IsTrue((tree.LightCellPosition);
                            Assert.IsTrue((treesOfSpecies.LightResourceIndex[treeIndex] > 0.0F) && (treesOfSpecies.LightResourceIndex[treeIndex] <= 1.0F));
                            Assert.IsTrue((treesOfSpecies.LightResponse[treeIndex] > -0.5F) && (treesOfSpecies.LightResponse[treeIndex] <= 1.0F));
                            Assert.IsTrue((treesOfSpecies.NppReserve[treeIndex] > 0.0F) && (treesOfSpecies.NppReserve[treeIndex] < 1E4F));
                            Assert.IsTrue((treesOfSpecies.Opacity[treeIndex] > 0.0F) && (treesOfSpecies.Opacity[treeIndex] <= 1.0F));
                            Assert.IsTrue(object.ReferenceEquals(treesOfSpecies.RU, kalkalpen.Landscape.ResourceUnits[0]));
                            // Assert.IsTrue(tree.Species.ID);
                            // Assert.IsTrue(tree.Stamp);
                            Assert.IsTrue((treesOfSpecies.StemMass[treeIndex] > 0.0) && (treesOfSpecies.CoarseRootMass[treeIndex] < 1E6));
                            Assert.IsTrue((treesOfSpecies.StressIndex[treeIndex] >= 0.0) && (treesOfSpecies.CoarseRootMass[treeIndex] < 1E6));
                        }

                        Assert.IsTrue(treesOfSpecies.Capacity == 4);
                        Assert.IsTrue(treesOfSpecies.Count == (treesOfSpecies.Species.ID == "psme" ? 2 : 1));
                    }

                    int minimumTreeCount = 30 - 2 * year - 3; // TODO: wide tolerance required due to stochastic mortality
                    int resourceUnit0treeSpeciesCount = kalkalpen.Landscape.ResourceUnits[0].Trees.TreesBySpeciesID.Count;
                    Assert.IsTrue(resourceUnit0treeSpeciesCount >= minimumTreeCount);
                    Assert.IsTrue(kalkalpen.Landscape.ResourceUnits[1].Trees.TreesBySpeciesID.Count >= minimumTreeCount);
                    Assert.IsTrue(initialDiameters.Count >= minimumTreeCount);
                    Assert.IsTrue(initialHeights.Count >= minimumTreeCount);
                    Assert.IsTrue(finalDiameters.Count >= minimumTreeCount);
                    Assert.IsTrue(finalHeights.Count >= minimumTreeCount);

                    float averageDiameterGrowth = 0.0F;
                    float averageHeightGrowth   = 0.0F;
                    foreach (KeyValuePair <int, float> tree in finalHeights)
                    {
                        float initialDiameter = initialDiameters[tree.Key];
                        float initialHeight   = initialHeights[tree.Key];
                        float finalDiameter   = finalDiameters[tree.Key];
                        float finalHeight     = tree.Value;
                        averageDiameterGrowth += finalDiameter - initialDiameter;
                        averageHeightGrowth   += finalHeight - initialHeight;
                        Assert.IsTrue(finalDiameter >= initialDiameter);
                        Assert.IsTrue(finalDiameter < 1.1F * initialDiameter);
                        Assert.IsTrue(finalHeight >= initialHeight);
                        Assert.IsTrue(finalHeight < 1.1F * initialHeight);
                    }

                    averageDiameterGrowth /= resourceUnit0treeSpeciesCount;
                    averageHeightGrowth   /= resourceUnit0treeSpeciesCount;

                    float maxLight  = Single.MinValue;
                    float meanLight = 0.0F;
                    float minLight  = Single.MaxValue;
                    for (int lightIndex = 0; lightIndex < kalkalpen.Landscape.LightGrid.Count; ++lightIndex)
                    {
                        float light = kalkalpen.Landscape.LightGrid[lightIndex];
                        maxLight   = MathF.Max(light, maxLight);
                        meanLight += light;
                        minLight   = MathF.Min(light, minLight);
                    }
                    meanLight /= kalkalpen.Landscape.LightGrid.Count;

                    float maxGridHeight  = Single.MinValue;
                    float meanGridHeight = 0.0F;
                    float minGridHeight  = Single.MaxValue;
                    for (int heightIndex = 0; heightIndex < kalkalpen.Landscape.HeightGrid.Count; ++heightIndex)
                    {
                        float height = kalkalpen.Landscape.HeightGrid[heightIndex].Height;
                        maxGridHeight   = MathF.Max(height, maxGridHeight);
                        meanGridHeight += height;
                        minGridHeight   = MathF.Min(height, minGridHeight);
                    }
                    meanGridHeight /= kalkalpen.Landscape.HeightGrid.Count;

                    Assert.IsTrue(averageDiameterGrowth > MathF.Max(0.2F - 0.01F * year, 0.0F));
                    Assert.IsTrue(averageHeightGrowth > MathF.Max(0.2F - 0.01F * year, 0.0F));
                    Assert.IsTrue(minGridHeight >= 0.0F);
                    Assert.IsTrue((meanGridHeight > minGridHeight) && (meanGridHeight < maxGridHeight));
                    Assert.IsTrue(maxGridHeight < 45.0F + 0.1F * year);
                    Assert.IsTrue(minLight >= 0.0F && minLight < 1.0F);
                    Assert.IsTrue((meanLight > minLight) && (meanLight < maxLight));
                    Assert.IsTrue(maxLight == 1.0F);
                }

                //kalkalpen.DebugTimers.WriteTimers();
            }

            //RumpleIndex rumpleIndex = new RumpleIndex();
            //rumpleIndex.Calculate(kalkalpen);
            //float index = rumpleIndex.Value(kalkalpen);
            //Assert.IsTrue(Math.Abs(index - 0.0) < 0.001);

            // check calculation: numbers for Jenness paper
            //float[] hs = new float[] { 165, 170, 145, 160, 183, 155, 122, 175, 190 };
            //float area = rumpleIndex.CalculateSurfaceArea(hs, 100);
        }
Пример #4
0
        public void MalcolmKnapp14()
        {
            // spacing trials
            using Model plot14 = LandTest.LoadProject(LandTest.GetMalcolmKnappProjectPath(TestConstant.MalcolmKnapp.Plot14));

            // check soil properties at initial load
            ModelTest.VerifyMalcolmKnappResourceUnit(plot14);

            List <float> gppByYear        = new();
            List <float> nppByYear        = new();
            List <float> stemVolumeByYear = new();

            for (int year = 0; year < 28; ++year)
            {
                plot14.RunYear();

                Assert.IsTrue(plot14.Landscape.ResourceUnits.Count == 1);
                float gpp = 0.0F;
                float npp = 0.0F;
                foreach (ResourceUnitTreeSpecies treeSpecies in plot14.Landscape.ResourceUnits[0].Trees.SpeciesAvailableOnResourceUnit)
                {
                    gpp += treeSpecies.BiomassGrowth.AnnualGpp;
                    npp += treeSpecies.Statistics.TreeNpp;
                }
                gppByYear.Add(gpp);
                nppByYear.Add(npp);

                float volume = 0.0F;
                foreach (Trees treesOfSpecies in plot14.Landscape.ResourceUnits[0].Trees.TreesBySpeciesID.Values)
                {
                    for (int treeIndex = 0; treeIndex < treesOfSpecies.Count; ++treeIndex)
                    {
                        volume += treesOfSpecies.GetStemVolume(treeIndex);
                    }
                }
                stemVolumeByYear.Add(volume);

                Assert.IsTrue(plot14.Landscape.ResourceUnits[0].Trees.TreeStatisticsByStandID.Count == 1);
                Assert.IsTrue(plot14.Landscape.ResourceUnits[0].Trees.TreeStatisticsByStandID.ContainsKey(14));
            }

            ModelTest.VerifyMalcolmKnappClimate(plot14);
            ModelTest.VerifyMalcolmKnappModel(plot14);
            ModelTest.VerifyMalcolmKnappDouglasFir(plot14);

            // regex for reformatting copy/paste of values from watch window: "\s+\[\d+]\s+(\d+.\d{1,3})\d*\s+float\r?\n" -> "$1F, "
            List <float> nominalGppByYear = new()
            {
                10.331F, 11.133F, 14.020F, 11.316F, 13.527F, // 0...4
                10.526F, 12.332F, 12.791F, 12.987F, 11.235F, // 5...9
                11.608F, 10.062F, 11.081F, 9.992F, 12.681F,  // 10...14
                11.237F, 11.539F, 10.230F, 8.268F, 9.310F,   // 15...19
                11.888F, 8.964F, 11.145F, 10.091F, 13.221F,  // 20...24
                10.973F, 12.179F, 12.647F                    // 25...27
            };

            List <float> nominalNppByYear = new()
            {
                13305.625F, 14514.859F, 18456.353F, 15041.932F, 18053.941F,
                14110.686F, 16558.890F, 17210.685F, 17502.668F, 15159.530F,
                15669.442F, 13588.600F, 14967.475F, 13497.672F, 17130.728F,
                15179.787F, 15582.680F, 13804.854F, 11158.202F, 12561.510F,
                16028.833F, 12079.922F, 15009.008F, 13583.033F, 17776.400F,
                14749.142F, 16356.83F, 16963.591F
            };
            List <float> nominalVolumeByYear = new()
            {
                118.143F, 130.357F, 148.674F, 161.134F, 178.615F,
                189.416F, 204.427F, 220.182F, 236.591F, 248.959F,
                261.886F, 271.750F, 283.939F, 293.349F, 309.284F,
                320.494F, 333.093F, 340.758F, 346.781F, 355.119F,
                368.386F, 374.821F, 386.607F, 395.546F, 410.205F,
                422.316F, 437.456F, 452.937F
            };

            ResourceUnitTreeStatisticsWithPreviousYears plotStatistics = (ResourceUnitTreeStatisticsWithPreviousYears)plot14.Landscape.ResourceUnits[0].Trees.TreeStatisticsByStandID[14];

            for (int year = 0; year < nominalVolumeByYear.Count; ++year)
            {
                float gpp              = gppByYear[year];
                float nominalGpp       = nominalGppByYear[year];
                float relativeGppError = MathF.Abs(1.0F - gpp / nominalGpp);

                float npp              = nppByYear[year];
                float nominalNpp       = nominalNppByYear[year];
                float plotNpp          = plotStatistics.TreeNppByYear[year];
                float relativeNppError = MathF.Abs(1.0F - npp / nominalNpp);

                float stemVolume          = stemVolumeByYear[year];
                float nominalVolume       = nominalVolumeByYear[year];
                float plotVolume          = plotStatistics.LiveStemVolumeByYear[year];
                float relativeVolumeError = MathF.Abs(1.0F - stemVolume / nominalVolume);

                Assert.IsTrue(relativeGppError < 0.02F, "Expected plot 14 to have a GPP of {0:0.000} kg/m² in simulation year {1} but the projected GPP was {2:0.000} kg/m², a {3:0.0%} difference.", nominalGpp, year, gpp, relativeGppError);
                Assert.IsTrue(relativeNppError < 0.02F, "Expected plot 14 to have an NPP of {0:0.000} kg/ha in simulation year {1} but the projected NPP was {2:0.000} kg/ha, a {3:0.0%} difference.", nominalNpp, year, npp, relativeNppError);
                Assert.IsTrue(relativeVolumeError < 0.02F, "Expected plot 14 to carry a standing volume of {0:0.000} m³ in simulation year {1} but the projected volume was {2:0.000} m³, a {3:0.0%} difference.", nominalVolume, year, stemVolume, relativeVolumeError);
                Assert.IsTrue(npp == plotNpp);
                Assert.IsTrue(MathF.Abs(stemVolume - plotVolume) < 0.0001F);

                // plot statistics are multiplied by expansion factor obtained from portion of resource unit occupied to obtain per hectare values
                if (year == 0)
                {
                    // sanity checks on initial state
                    Assert.IsTrue(plotStatistics.AverageDbhByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.AverageHeightByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.BasalAreaByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.LeafAreaIndexByYear[year] >= 1.0F);
                    Assert.IsTrue(plotStatistics.LiveStemVolumeByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.LiveAndSnagStemVolumeByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.TreeNppAbovegroundByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.TreeNppByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.TreeCountByYear[year] == 222.0F);

                    Assert.IsTrue(plotStatistics.CohortCountByYear[year] == 0);
                    Assert.IsTrue(plotStatistics.MeanSaplingAgeByYear[year] == 0.0F);
                    Assert.IsTrue(plotStatistics.SaplingNppByYear[year] == 0.0F);

                    Assert.IsTrue(plotStatistics.BranchCarbonByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.BranchNitrogenByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.CoarseRootCarbonByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.CoarseRootNitrogenByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.FineRootCarbonByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.FineRootNitrogenByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.FoliageCarbonByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.FoliageNitrogenByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.RegenerationCarbonByYear[year] == 0.0F);
                    Assert.IsTrue(plotStatistics.RegenerationNitrogenByYear[year] == 0.0F);
                    Assert.IsTrue(plotStatistics.SaplingCountByYear[year] == 0);
                    Assert.IsTrue(plotStatistics.StemCarbonByYear[year] > 0.0F);
                    Assert.IsTrue(plotStatistics.StemNitrogenByYear[year] > 0.0F);
                }
                else
                {
                    // sanity checks on growth
                    int previousYear = year - 1;
                    Assert.IsTrue(plotStatistics.AverageDbhByYear[year] > plotStatistics.AverageDbhByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.AverageHeightByYear[year] > plotStatistics.AverageHeightByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.BasalAreaByYear[year] > 0.95F * plotStatistics.BasalAreaByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.LeafAreaIndexByYear[year] > 0.95F * plotStatistics.LeafAreaIndexByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.LiveStemVolumeByYear[year] > 0.95F * plotStatistics.LiveStemVolumeByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.LiveAndSnagStemVolumeByYear[year] >= 0.95F * plotStatistics.LiveAndSnagStemVolumeByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.StemCarbonByYear[year] > 0.99F * plotStatistics.StemCarbonByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.StemNitrogenByYear[year] > 0.99F * plotStatistics.StemNitrogenByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.TreeCountByYear[year] <= plotStatistics.TreeCountByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.TreeNppAbovegroundByYear[year] > 0.67F * plotStatistics.TreeNppAbovegroundByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.TreeNppByYear[year] > 0.75F * plotStatistics.TreeNppByYear[previousYear]);

                    Assert.IsTrue(plotStatistics.MeanSaplingAgeByYear[year] == 0.0F); // regeneration not enabled
                    Assert.IsTrue(plotStatistics.RegenerationCarbonByYear[year] == 0.0F);
                    Assert.IsTrue(plotStatistics.RegenerationNitrogenByYear[year] == 0.0F);
                    Assert.IsTrue(plotStatistics.SaplingNppByYear[year] == 0.0F); // regeneration not enabled
                    Assert.IsTrue(plotStatistics.SaplingCountByYear[year] == 0);

                    Assert.IsTrue(plotStatistics.BranchCarbonByYear[year] > 0.95F * plotStatistics.BranchCarbonByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.BranchNitrogenByYear[year] > 0.95F * plotStatistics.BranchNitrogenByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.CoarseRootCarbonByYear[year] > 0.95F * plotStatistics.CoarseRootCarbonByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.CoarseRootNitrogenByYear[year] > 0.95F * plotStatistics.CoarseRootNitrogenByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.CohortCountByYear[year] == 0); // no saplings at initialization and regeneration not enabled
                    Assert.IsTrue(plotStatistics.FineRootCarbonByYear[year] > 0.95F * plotStatistics.FineRootCarbonByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.FineRootNitrogenByYear[year] > 0.95F * plotStatistics.FineRootNitrogenByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.FoliageCarbonByYear[year] > 0.95F * plotStatistics.FoliageCarbonByYear[previousYear]);
                    Assert.IsTrue(plotStatistics.FoliageNitrogenByYear[year] > 0.95F * plotStatistics.FoliageNitrogenByYear[previousYear]);

                    // sanity checks on ranges
                    Assert.IsTrue(plotStatistics.LiveStemVolumeByYear[year] >= plotStatistics.LiveAndSnagStemVolumeByYear[year]);
                    Assert.IsTrue((plotStatistics.LeafAreaIndexByYear[year] > 1.0F) && (plotStatistics.LeafAreaIndexByYear[year] < 20.0F));
                }
            }
        }

        [TestMethod]