From ac5d6df9f7abd1e09cf0e01071faf03525415728 Mon Sep 17 00:00:00 2001
From: s1924442 <b.arendarczyk@sms.ed.ac.uk>
Date: Fri, 19 Mar 2021 18:48:52 +0000
Subject: [PATCH] Added land cover conversion cost.
---
GAMS/IntExtOpt.gms | 21 +++++---
debug_config.properties | 11 ++--
src/ac/ed/lurg/ModelConfig.java | 1 +
src/ac/ed/lurg/country/CountryAgent.java | 50 ++++++++---------
.../country/gams/GamsLocationOptimiser.java | 23 ++++++--
.../ed/lurg/country/gams/GamsRasterInput.java | 8 +--
.../country/gams/GamsRasterOptimiser.java | 21 --------
.../ed/lurg/landuse/ConversionCostReader.java | 53 +++++++++++++++++++
src/ac/ed/lurg/landuse/WoodYieldReader.java | 12 ++---
9 files changed, 124 insertions(+), 76 deletions(-)
create mode 100644 src/ac/ed/lurg/landuse/ConversionCostReader.java
diff --git a/GAMS/IntExtOpt.gms b/GAMS/IntExtOpt.gms
index 4fa6d238..d0201ff9 100644
--- a/GAMS/IntExtOpt.gms
+++ b/GAMS/IntExtOpt.gms
@@ -67,6 +67,8 @@
SCALAR carbonPrice price of carbon - $ per tonne or million$ per Mt;
SCALAR woodPrice price of wood and timber - $ per tonne or million$ per Mt;
+ PARAMETER conversionCost(land_cover, land_cover) cost of converting from one land cover to another;
+
*$gdxin "C:\Users\Bart\Documents\PhD\GAMS testing area\_gams_java_gdb1.gdx"
$gdxin %gdxincname%
$load location, suitableLandArea, demand, agriExpansionCost, cropIncCost, pastureIncCost, cropDecCost, pastureDecCost
@@ -75,7 +77,7 @@ $load yieldNone, yieldFertOnly, yieldIrrigOnly, yieldBoth, yieldShock
$load fertParam, irrigParam, otherIParam, exportPrices, importPrices, maxNetImport, minNetImport, unhandledCropRate, setAsideRate, maxLandExpansionRate, subsidyRate
$load meatEfficency, otherICost, irrigCost, irrigMaxRate, irrigConstraint, fertiliserUnitCost, domesticPriceMarkup, minDemandPerCereal, minDemandPerOilcrop, seedAndWasteRate
$load previousLandCoverArea, carbonFluxRate, woodYield, carbonPrice, woodPrice
-$load minimumLandCoverArea
+$load minimumLandCoverArea, conversionCost
$gdxin
*convert units from $/t to billion$/Mt
@@ -118,9 +120,6 @@ $gdxin
baseCost('pasture') = 0.04;
otherIntCost('pasture') = 0.8 + otherICost;
-*PARAMETER lcTransitionCost(lc_type_previous, lc_type, location) cost of land transitions including carbon cost and conversion cost;
-*lcTransitionCost(lc_type_previous, lc_type, location) = carbonFluxRate(lc_type_previous, lc_type, location) * carbonPrice + agriExpansionCost(location);
-
SCALAR forestExpansionMaxRate / 0.01 /;
VARIABLES
@@ -147,6 +146,7 @@ $gdxin
prematureDeforestationCost
woodHarvest(location) total wood harvested
carbonFlux(location) total carbon flux
+ totalConversionCost(location)
totalFeedDM
* A "artificial variable https://www.gams.com/blog/2017/07/misbehaving-model-infeasible/"
total_cost total cost of domestic supply including net imports;
@@ -195,8 +195,10 @@ $gdxin
DEFORESTED_AREA_CALC(forest, location)
RESERVED_AREA_DEFORESTED_CALC(forest, location)
PREMATURE_DEFORESTATION_COST_CALC
+ UNMANAGED_FOREST_CONSTRAINT(location) unmanagedForest cannot be created
WOOD_HARVEST_CALC(location) calc wood harvested
CARBON_FLUX_CALC(location) calc carbon flux
+ CONVERSION_COST(location)
COST_EQ total cost objective function;
UNIT_COST_EQ(crop, location) .. unitCost(crop, location) =E= ( baseCost(crop) +
@@ -258,11 +260,12 @@ $gdxin
PASTURE_LAND_COVER_CALC(location) .. landCoverArea('pasture', location) =E= cropArea('pasture', location);
-* landCoverChange(A, A, location) defined as unchanged land cover
+
LAND_COVER_CHANGE_CALC(land_cover, location) .. landCoverArea(land_cover, location) =E= previousLandCoverArea(land_cover, location) +
sum(land_cover_before, landCoverChange(land_cover_before, land_cover, location)) -
sum(land_cover_after, landCoverChange(land_cover, land_cover_after, location));
+* landCoverChange(A, A, location) defined as unchanged land cover
LAND_COVER_CHANGE_CONSTRAINT(land_cover, location) .. sum(land_cover_after, landCoverChange(land_cover, land_cover_after, location)) =E= previousLandCoverArea(land_cover, location);
@@ -280,12 +283,16 @@ $gdxin
sqrt(sqr(deforestedArea(forest, location) - [previousLandCoverArea(forest, location) - minimumLandCoverArea(forest, location)] + delta)) +
sqr(delta)] / 2;
- PREMATURE_DEFORESTATION_COST_CALC .. prematureDeforestationCost =E= sum((forest, location), reservedAreaDeforested(forest, location) * 100);
+ PREMATURE_DEFORESTATION_COST_CALC .. prematureDeforestationCost =E= sum((forest, location), reservedAreaDeforested(forest, location) * woodYield('pasture', forest, location) * woodPrice);
+
+ UNMANAGED_FOREST_CONSTRAINT(location) .. sum((land_cover)$[not sameAs(land_cover, 'unmanagedForest')], landCoverChange(land_cover, 'unmanagedForest', location)) =E= 0;
WOOD_HARVEST_CALC(location) .. woodHarvest(location) =E= sum((land_cover_before, land_cover_after), landCoverChange(land_cover_before, land_cover_after, location) * woodYield(land_cover_before, land_cover_after, location));
CARBON_FLUX_CALC(location) .. carbonFlux(location) =E= sum((land_cover_before, land_cover_after), landCoverChange(land_cover_before, land_cover_after, location) * carbonFluxRate(land_cover_before, land_cover_after, location));
+ CONVERSION_COST(location) .. totalConversionCost(location) =E= sum((land_cover_before, land_cover_after), landCoverChange(land_cover_before, land_cover_after, location) * conversionCost(land_cover_before, land_cover_after));
+
* CROPLAND_INCREASE_CONSTRAINT(location) .. cropIncrease(location)/(1.0 - unhandledCropRate) =L= maxLandChangeRate * ( suitableLandArea(location) -sum(crop_less_pasture, previousCropArea(crop_less_pasture, location))/*(1.0 - unhandledCropRate) - previousCropArea('pasture', location) );
* PASTURE_DECREASE_CONSTRAINT(location) .. pastureDecrease(location) =L= maxLandChangeRate * previousCropArea('pasture', location);
@@ -306,7 +313,7 @@ $gdxin
SUM(import_crop, importAmount(import_crop) * importPrices(import_crop) - exportAmount(import_crop) * exportPrices(import_crop)) +
- prematureDeforestationCost
+ prematureDeforestationCost + SUM(location, totalConversionCost(location))
);
MODEL LAND_USE /ALL/ ;
diff --git a/debug_config.properties b/debug_config.properties
index c161ff3a..7e7ff02c 100644
--- a/debug_config.properties
+++ b/debug_config.properties
@@ -11,12 +11,15 @@ TIMESTEP_SIZE=1
IS_CALIBRATION_RUN=true
-GENERATE_NEW_YIELD_CLUSTERS=true
+GENERATE_NEW_YIELD_CLUSTERS=false
DEMAND_PRICE_IMPORT_AND_PROD_COST=false
YIELD_FILENAME=yield.out
-DEBUG_LIMIT_COUNTRIES=false
-DEBUG_COUNTRY_NAME=Peru & Ecuador
-GAMS_COUNTRY_TO_SAVE=Peru & Ecuador
\ No newline at end of file
+DEBUG_LIMIT_COUNTRIES=true
+DEBUG_COUNTRY_NAME=Central America
+GAMS_COUNTRY_TO_SAVE=Central America
+
+WOOD_PRICE=25
+CARBON_PRICE=10
\ No newline at end of file
diff --git a/src/ac/ed/lurg/ModelConfig.java b/src/ac/ed/lurg/ModelConfig.java
index ef6786e0..ebeae63e 100755
--- a/src/ac/ed/lurg/ModelConfig.java
+++ b/src/ac/ed/lurg/ModelConfig.java
@@ -423,6 +423,7 @@ public class ModelConfig {
public static final String TARGET_DIET_FILE = getProperty("TARGET_DIET_FILE", DATA_DIR + File.separator + "TargetDiet.txt");
// Forestry parameters
+ public static final String CONVERSION_COST_FILE = DATA_DIR + File.separator + "conversion_costs.csv";
public static final double CARBON_PRICE = getDoubleProperty("CARBON_PRICE", 10.0); // $/tC-eq
public static final double WOOD_PRICE = getDoubleProperty("WOOD_PRICE", 50.0); // $/tC-eq
public static final int FOREST_LOCKIN_PERIOD = getIntProperty("FOREST_LOCKIN_PERIOD", 30); // cannot convert forest after planting for this many years
diff --git a/src/ac/ed/lurg/country/CountryAgent.java b/src/ac/ed/lurg/country/CountryAgent.java
index 421a98a3..68376813 100644
--- a/src/ac/ed/lurg/country/CountryAgent.java
+++ b/src/ac/ed/lurg/country/CountryAgent.java
@@ -228,28 +228,11 @@ public class CountryAgent extends AbstractCountryAgent {
}
}
}
-
- // Logged timberForest area - to be converted to otherNatural
- DoubleMap<Integer, LandCoverType, Double> loggedForest = new DoubleMap<Integer, LandCoverType, Double>(); //<Location, LandCoverType, Area>
-
- if (currentTimestep.getTimestep() != ModelConfig.START_TIMESTEP) {
- for (Entry<Integer, DoubleMap<Integer, LandCoverType, Double>> yearMap : minimumLandCover.getMap().entrySet()) {
- if (yearMap.getKey() <= currentTimestep.getYear() && yearMap.getKey() > currentTimestep.getPreviousYear()) {
- for (Entry<Integer, Map<LandCoverType, Double>> locMap : yearMap.getValue().getMap().entrySet()) {
- for (Entry<LandCoverType, Double> coverMap : locMap.getValue().entrySet()) {
- loggedForest.put(locMap.getKey(), coverMap.getKey(), coverMap.getValue());
- }
- }
- }
- }
- }
-
-
GamsCountryInput countryLevelInputs = new GamsCountryInput(country, currentProjectedDemand, currentCountryPrices, importConstraints,
previousGamsRasterOutput.getCropUsageData(), currentMinDemandFract, subsidyRates);
GamsRasterInput input = new GamsRasterInput(currentTimestep, countryYieldSurfaces, previousGamsRasterOutput.getLandUses(), irrigData,
- carbonFluxData, woodYieldData, minimumLandCoverForTimestep, loggedForest, countryLevelInputs);
+ carbonFluxData, woodYieldData, minimumLandCoverForTimestep, countryLevelInputs);
return input;
}
@@ -374,23 +357,36 @@ public class CountryAgent extends AbstractCountryAgent {
if (!reservedDeforested.getMap().isEmpty()) {
for (Entry<Integer, Map<LandCoverType, Double>> locMap : reservedDeforested.getMap().entrySet()) {
int locId = locMap.getKey();
+
for (Entry<LandCoverType, Double> coverMap : locMap.getValue().entrySet()) {
LandCoverType forestType = coverMap.getKey();
double deforestedArea = coverMap.getValue();
List<Integer> expiryYearsFound = new ArrayList<Integer>(minimumLandCover.getMap().keySet()) ;
Collections.sort(expiryYearsFound); // ascending order, remove area from most mature forest
- while (deforestedArea > 0) {
- for (int year : expiryYearsFound) {
- if (year > currentTimestep.getYear()) {
- double currentMinimumArea = minimumLandCover.get(year, locId, forestType);
- if (currentMinimumArea <= 0)
- LogWriter.printlnError("currentMinimumArea is <=0");
- double areaToSubtract = Math.min(currentMinimumArea, deforestedArea);
- minimumLandCover.put(year, locId, forestType, currentMinimumArea - areaToSubtract);
- deforestedArea -= areaToSubtract;
+
+ for (int year : expiryYearsFound) {
+ if (year > currentTimestep.getYear()) {
+ double currentMinimumArea = minimumLandCover.get(year, locId, forestType);
+ if (currentMinimumArea < 0.0)
+ LogWriter.printlnError("CountryAgent.updateMinimumLandCover(): currentMinimumArea is <=0");
+ else if (currentMinimumArea == 0.0) {
+ continue;
+ }
+
+ double areaToSubtract = Math.min(currentMinimumArea, deforestedArea);
+ if (currentMinimumArea - areaToSubtract < 0.0) { // floating point errors
+ areaToSubtract = currentMinimumArea;
}
+
+ minimumLandCover.put(year, locId, forestType, currentMinimumArea - areaToSubtract);
+ deforestedArea -= areaToSubtract;
+ if (deforestedArea < 1E-6)
+ break;
}
}
+
+ if (deforestedArea >= 1E-6)
+ LogWriter.printlnError("CountryAgent.updateMinimumLandCover(): unable to subtract all deforested area");
}
}
}
diff --git a/src/ac/ed/lurg/country/gams/GamsLocationOptimiser.java b/src/ac/ed/lurg/country/gams/GamsLocationOptimiser.java
index 815eb097..623413cd 100644
--- a/src/ac/ed/lurg/country/gams/GamsLocationOptimiser.java
+++ b/src/ac/ed/lurg/country/gams/GamsLocationOptimiser.java
@@ -24,6 +24,7 @@ import ac.ed.lurg.ModelConfig;
import ac.ed.lurg.country.CountryPrice;
import ac.ed.lurg.country.TradeConstraint;
import ac.ed.lurg.landuse.CarbonFluxItem;
+import ac.ed.lurg.landuse.ConversionCostReader;
import ac.ed.lurg.landuse.CropUsageData;
import ac.ed.lurg.landuse.Intensity;
import ac.ed.lurg.landuse.IrrigationItem;
@@ -42,7 +43,7 @@ import ac.ed.lurg.yield.YieldResponsesItem;
public class GamsLocationOptimiser {
- private static final boolean DEBUG = true;
+ private static final boolean DEBUG = false;
private GamsLocationInput inputData;
@@ -388,7 +389,7 @@ public class GamsLocationOptimiser {
}
// Minimum land covers
- GAMSParameter minimumLandCover = inDB.addParameter("minimumLandCoverArea", 2);
+ GAMSParameter minimumLandCoverP = inDB.addParameter("minimumLandCoverArea", 2);
for (Entry<Integer, Map<LandCoverType, Double>> locMap : inputData.getMinimumLandCover().getMap().entrySet()) {
Integer locationId = locMap.getKey();
@@ -403,11 +404,25 @@ public class GamsLocationOptimiser {
double previousCover = inputData.getPreviousLandUse().get(locationId).getUnprotectedLandCoverArea(landCover);
// Correction for floating point errors
double minCoverCorrected = Math.min(minCover, previousCover);
- setGamsParamValueTruncate(minimumLandCover.addRecord(v), minCoverCorrected, 5);
+ setGamsParamValueTruncate(minimumLandCoverP.addRecord(v), minCoverCorrected, 5);
}
}
-
+ // Land cover conversion cost
+ GAMSParameter conversionCostP = inDB.addParameter("conversionCost", 2);
+ DoubleMap<LandCoverType, LandCoverType, Double> conversionCosts = new ConversionCostReader().read();
+
+ for (Entry<LandCoverType, Map<LandCoverType, Double>> fromMap : conversionCosts.getMap().entrySet()) {
+ String fromName = fromMap.getKey().getName();
+ for (Entry<LandCoverType, Double> toMap : fromMap.getValue().entrySet()) {
+ String toName = toMap.getKey().getName();
+ double cost = toMap.getValue();
+ Vector<String> v = new Vector<String>();
+ v.add(fromName);
+ v.add(toName);
+ setGamsParamValue(conversionCostP.addRecord(v), cost, 5);
+ }
+ }
}
private void addScalar(GAMSDatabase gamsDb, String recordName, double val, int places) {
diff --git a/src/ac/ed/lurg/country/gams/GamsRasterInput.java b/src/ac/ed/lurg/country/gams/GamsRasterInput.java
index e4e1171b..759107b3 100644
--- a/src/ac/ed/lurg/country/gams/GamsRasterInput.java
+++ b/src/ac/ed/lurg/country/gams/GamsRasterInput.java
@@ -19,12 +19,11 @@ public class GamsRasterInput {
private RasterSet<CarbonFluxItem> carbonFluxes;
private RasterSet<WoodYieldItem> woodYields;
private DoubleMap<Integer, LandCoverType, Double> minimumLandCover;
- private DoubleMap<Integer, LandCoverType, Double> loggedForest;
private GamsCountryInput countryInput;
public GamsRasterInput(Timestep timestep, YieldRaster yields, RasterSet<LandUseItem> previousLandsUses, RasterSet<IrrigationItem> irrigationCost,
RasterSet<CarbonFluxItem> carbonFluxes, RasterSet<WoodYieldItem> woodYields, DoubleMap<Integer, LandCoverType, Double> minimumLandCover,
- DoubleMap<Integer, LandCoverType, Double> loggedForest, GamsCountryInput countryInput) {
+ GamsCountryInput countryInput) {
super();
this.timestep = timestep;
this.yields = yields;
@@ -33,7 +32,6 @@ public class GamsRasterInput {
this.carbonFluxes = carbonFluxes;
this.woodYields = woodYields;
this.minimumLandCover = minimumLandCover;
- this.loggedForest = loggedForest;
this.countryInput = countryInput;
}
@@ -61,10 +59,6 @@ public class GamsRasterInput {
return minimumLandCover;
}
- public DoubleMap<Integer, LandCoverType, Double> getLoggedForest() {
- return loggedForest;
- }
-
public GamsCountryInput getCountryInput() {
return countryInput;
}
diff --git a/src/ac/ed/lurg/country/gams/GamsRasterOptimiser.java b/src/ac/ed/lurg/country/gams/GamsRasterOptimiser.java
index b7dcecda..ca040d51 100644
--- a/src/ac/ed/lurg/country/gams/GamsRasterOptimiser.java
+++ b/src/ac/ed/lurg/country/gams/GamsRasterOptimiser.java
@@ -384,27 +384,6 @@ public class GamsRasterOptimiser {
checkedTotalAreas(landUseRaster, "before");
checkedTotalAreas(aggregatedAreas, "after");
-
- // Auto convert timberForest to otherNatural once matured and cut down
- if (!rasterInputData.getLoggedForest().getMap().isEmpty()) {
- for (Entry<Integer, Map<LandCoverType, Double>> locMap : rasterInputData.getLoggedForest().getMap().entrySet()) {
- int locId = locMap.getKey();
-
- Set<RasterKey> keys = new HashSet<RasterKey>();
- for (Entry<RasterKey, IntegerRasterItem> mapEntry : mapping.entrySet()) {
- IntegerRasterItem iri = mapEntry.getValue();
- if (iri != null && locId == iri.getInt())
- keys.add(mapEntry.getKey());
- }
-
- for (Entry<LandCoverType, Double> coverMap : locMap.getValue().entrySet()) {
- // move land for GAMS input
- aggregatedAreas.get(locId).moveUnprotectedArea(LandCoverType.OTHER_NATURAL, coverMap.getKey(), coverMap.getValue());
- // move land for raster
- allocAllLandCropsTop(rasterInputData.getPreviousLandUses(), keys, LandCoverType.OTHER_NATURAL, coverMap.getKey(), coverMap.getValue(), locId);
- }
- }
- }
return new GamsLocationInput(rasterInputData.getTimestep(), aggregatedYields, aggregatedAreas, aggregatedIrrigCosts,
aggregatedCarbonFluxes, aggregatedWoodYields, rasterInputData.getMinimumLandCover(), rasterInputData.getCountryInput());
diff --git a/src/ac/ed/lurg/landuse/ConversionCostReader.java b/src/ac/ed/lurg/landuse/ConversionCostReader.java
new file mode 100644
index 00000000..05aec14e
--- /dev/null
+++ b/src/ac/ed/lurg/landuse/ConversionCostReader.java
@@ -0,0 +1,53 @@
+package ac.ed.lurg.landuse;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+
+import ac.ed.lurg.ModelConfig;
+import ac.ed.lurg.types.LandCoverType;
+import ac.ed.lurg.utils.DoubleMap;
+import ac.ed.lurg.utils.LogWriter;
+
+public class ConversionCostReader {
+
+ private static final int FROM_COL = 0;
+ private static final int TO_COL = 1;
+ private static final int COST_COL = 2;
+
+ public DoubleMap<LandCoverType, LandCoverType, Double> read() {
+ DoubleMap<LandCoverType, LandCoverType, Double> conversionCosts = new DoubleMap<LandCoverType, LandCoverType, Double>();
+ String filename = ModelConfig.CONVERSION_COST_FILE;
+ try {
+ BufferedReader reader = new BufferedReader(new FileReader(filename));
+ String line, fromName, toName;
+ Double cost;
+ reader.readLine(); // read header
+
+ while ((line=reader.readLine()) != null) {
+ String[] tokens = line.split(",");
+
+ if (tokens.length < 3)
+ LogWriter.printlnError("Too few columns in " + filename + ", " + line);
+
+ fromName = tokens[FROM_COL];
+ toName = tokens[TO_COL];
+ cost = Double.parseDouble(tokens[COST_COL]);
+
+ LandCoverType fromLC = LandCoverType.getForName(fromName);
+ LandCoverType toLC = LandCoverType.getForName(toName);
+
+ conversionCosts.put(fromLC, toLC, cost);
+ }
+ reader.close();
+
+ } catch (IOException e) {
+ LogWriter.printlnError("Failed in reading conversion costs file");
+ LogWriter.print(e);
+ }
+ LogWriter.println("Processed " + filename);
+
+ return conversionCosts;
+ }
+
+}
diff --git a/src/ac/ed/lurg/landuse/WoodYieldReader.java b/src/ac/ed/lurg/landuse/WoodYieldReader.java
index 76f92aaf..15f77c00 100644
--- a/src/ac/ed/lurg/landuse/WoodYieldReader.java
+++ b/src/ac/ed/lurg/landuse/WoodYieldReader.java
@@ -31,12 +31,12 @@ public class WoodYieldReader extends AbstractTabularRasterReader<WoodYieldItem>
item.setWoodYield(LandCoverType.PASTURE, LandCoverType.CROPLAND, getValueForCol(rowValues, "past_to_crop") * conversionFactor);
item.setWoodYield(LandCoverType.PASTURE, LandCoverType.PASTURE, getValueForCol(rowValues, "past_to_past") * conversionFactor);
- item.setWoodYield(LandCoverType.OTHER_NATURAL, LandCoverType.PASTURE, getValueForCol(rowValues, "ntrl_to_past") * conversionFactor);
- item.setWoodYield(LandCoverType.OTHER_NATURAL, LandCoverType.TIMBER_FOREST, getValueForCol(rowValues, "ntrl_to_forT") * conversionFactor);
- item.setWoodYield(LandCoverType.OTHER_NATURAL, LandCoverType.CARBON_FOREST, getValueForCol(rowValues, "ntrl_to_forC") * conversionFactor);
- item.setWoodYield(LandCoverType.OTHER_NATURAL, LandCoverType.UNMANAGED_FOREST, getValueForCol(rowValues, "ntrl_to_ntrl") * conversionFactor);
- item.setWoodYield(LandCoverType.OTHER_NATURAL, LandCoverType.CROPLAND, getValueForCol(rowValues, "ntrl_to_crop") * conversionFactor);
- item.setWoodYield(LandCoverType.OTHER_NATURAL, LandCoverType.OTHER_NATURAL, getValueForCol(rowValues, "ntrl_to_ntrl") * conversionFactor);
+ item.setWoodYield(LandCoverType.OTHER_NATURAL, LandCoverType.PASTURE, 0.0);
+ item.setWoodYield(LandCoverType.OTHER_NATURAL, LandCoverType.TIMBER_FOREST, 0.0);
+ item.setWoodYield(LandCoverType.OTHER_NATURAL, LandCoverType.CARBON_FOREST, 0.0);
+ item.setWoodYield(LandCoverType.OTHER_NATURAL, LandCoverType.UNMANAGED_FOREST, 0.0);
+ item.setWoodYield(LandCoverType.OTHER_NATURAL, LandCoverType.CROPLAND, 0.0);
+ item.setWoodYield(LandCoverType.OTHER_NATURAL, LandCoverType.OTHER_NATURAL, 0.0);
item.setWoodYield(LandCoverType.TIMBER_FOREST, LandCoverType.PASTURE, getValueForCol(rowValues, "forT_to_past") * conversionFactor);
item.setWoodYield(LandCoverType.TIMBER_FOREST, LandCoverType.OTHER_NATURAL, getValueForCol(rowValues, "forT_to_ntrl") * conversionFactor);
--
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