with right name of obersable in the xml

data/input/northeastamerica/RIO_obs_NEA.xml

@@ -19,51 +19,6 @@
 			</observers>
 		</fr.cemagref.observation.kernel.ObservablesHandler>
 	</entry>
-	<entry>
-		<java-class>species.DiadromousFishGroup</java-class>
-		<fr.cemagref.observation.kernel.ObservablesHandler>
-			<observers>
-				<fr.cemagref.observation.observers.jfreechart.TemporalSerieChart>
-					<graphType>LINE</graphType>
-					<title>Number of populated basins</title>
-					<xAxisLabel>Time (season)</xAxisLabel>
-					<yAxisLabel>Number of basins</yAxisLabel>
-					<variableName>getNbPopulatedBasins</variableName>
-				</fr.cemagref.observation.observers.jfreechart.TemporalSerieChart>
-
-				<fr.cemagref.observation.observers.jfreechart.TemporalSerieChart>
-					<graphType>LINE</graphType>
-					<title>Abundance of spawners</title>
-					<xAxisLabel>Time (season)</xAxisLabel>
-					<yAxisLabel>Number of fish</yAxisLabel>
-					<variableName>getSpawnerEffective</variableName>
-				</fr.cemagref.observation.observers.jfreechart.TemporalSerieChart>
-
-				<fr.cemagref.observation.observers.jfreechart.TemporalSerieChart>
-					<graphType>LINE</graphType>
-					<title>Abundance of male spawners</title>
-					<xAxisLabel>Time (season)</xAxisLabel>
-					<yAxisLabel>number of fishes</yAxisLabel>
-					<variableName>getMaleSpawnerEffective</variableName>
-				</fr.cemagref.observation.observers.jfreechart.TemporalSerieChart>
-
-				<fr.cemagref.observation.observers.jfreechart.TemporalSerieChart>
-					<graphType>LINE</graphType>
-					<title>Abundance of female spawners</title>
-					<xAxisLabel>Time (season)</xAxisLabel>
-					<yAxisLabel>number of fishes </yAxisLabel>
-					<variableName>getFemaleSpawnerEffective</variableName>
-				</fr.cemagref.observation.observers.jfreechart.TemporalSerieChart>
-
-				<observer.TemporalRangeSerieChart>
-					<title>Range distribution</title>
-					<xAxisLabel>Time (season)</xAxisLabel>
-					<yAxisLabel>latitude</yAxisLabel>
-					<variableName>getRangeSpawnerDistributionWithLat</variableName>
-				</observer.TemporalRangeSerieChart>
-			</observers>
-		</fr.cemagref.observation.kernel.ObservablesHandler>
-	</entry>
 
 	<entry>
 		<java-class>analysis.AnalyseFishDistribution</java-class>
@@ -74,7 +29,7 @@
 					<title>Number of colonized basins</title>
 					<xAxisLabel>Time (season)</xAxisLabel>
 					<yAxisLabel>Number of basins</yAxisLabel>
-					<variableName>getNbColonizedBasins</variableName>
+					<variableName>getNbPopulatedBasins</variableName>
 				</fr.cemagref.observation.observers.jfreechart.TemporalSerieChart>
 
 				<fr.cemagref.observation.observers.jfreechart.TemporalSerieChart>
@@ -105,7 +60,7 @@
 					<title>Range distribution</title>
 					<xAxisLabel>Time (season)</xAxisLabel>
 					<yAxisLabel>latitude</yAxisLabel>
-					<variableName>getRangeDistributionWithLat</variableName>
+					<variableName>getRangeSpawnerDistributionWithLat</variableName>
 				</observer.TemporalRangeSerieChart>
 
 			</observers>

src/main/java/analysis/AnalyseFishDistribution.java

@@ -79,16 +79,25 @@ public class AnalyseFishDistribution extends AquaNismsGroupProcess<DiadromousFis
 		}
 
 		// add this class to observable list
-		cobservable = pilot.addObservable(this.getClass());
+		if (cobservable == null) {
+			cobservable = pilot.addObservable(this.getClass());
+		}
 	}
 
 
 	@Override
 	public void doProcess(DiadromousFishGroup group) {
-
-		// update observer once a year in automn
-		if (group.getEnvironment().getTime().getSeason(group.getPilot()) == Season.AUTOMN)
+		// when initTransientParameters is not run at model loading
+		if (cobservable == null)
+			initTransientParameters(group.getPilot());
+
+		// --------------------------------------------------------------------------------------------------
+		// update the observers once in autumn
+		// ------------------------------------------------------------------------------------------------------
+		if (group.getEnvironment().getTime().getSeason(group.getPilot()) == Season.AUTOMN) {
 			cobservable.fireChanges(this, group.getPilot().getCurrentTime());
+		}
+
 	}
 
 
@@ -137,7 +146,7 @@ public class AnalyseFishDistribution extends AquaNismsGroupProcess<DiadromousFis
 	// ========================================================
 	// observer to explore fish distribution
 	// ========================================================
-	@Observable(description = "Number of colonized basins")
+	@Observable(description = "Number of populated basins")
 	public double getNbPopulatedBasins() {
 		int nb = 0;