diff --git a/data/input/atlanticarea/fishTryRealBV_CC_Alosa.xml b/data/input/atlanticarea/fishTryRealBV_CC_Alosa.xml
index 494329c3e8e087623c56702c8cbb971b2edf2041..db94a6dda8939f77700713b860fd07d1fbbf8f83 100644
--- a/data/input/atlanticarea/fishTryRealBV_CC_Alosa.xml
+++ b/data/input/atlanticarea/fishTryRealBV_CC_Alosa.xml
@@ -198,9 +198,9 @@
 		<parameterSetLine>0</parameterSetLine>
 		<yearOfTheUpdate>0</yearOfTheUpdate>
 		<basinsToUpdateFile>data/input/reality/basinsToUpdate.csv</basinsToUpdateFile>
-		<outputPath>data/output/</outputPath>
+		<outputPath>data/output/atlanticarea/</outputPath>
 		<minYearToWrite>1900</minYearToWrite>
-		<fileNameFluxes>nutrientFluxes</fileNameFluxes>
+		<fileNameFluxes></fileNameFluxes>
 		<lengthAtHatching>2.0</lengthAtHatching>
 		<linfVonBertForFemale>70.0</linfVonBertForFemale>
 		<linfVonBertForMale>70.0</linfVonBertForMale>
@@ -297,7 +297,7 @@
 					<initialLength>2.0</initialLength>
 					<sigmaRecruitment>0.2</sigmaRecruitment>
 					<survivalRateAfterReproduction>0.1</survivalRateAfterReproduction>
-					<maxNumberOfSuperIndividualPerReproduction>500.0
+					<maxNumberOfSuperIndividualPerReproduction>100.0
 					</maxNumberOfSuperIndividualPerReproduction>
 					<withDiagnose>false</withDiagnose>
 					<displayFluxesOnConsole>false</displayFluxesOnConsole>
@@ -318,7 +318,7 @@
 			<processesAtEnd>
 				<species.WriteNutrientImportFluxes>
 					<synchronisationMode>ASYNCHRONOUS</synchronisationMode>
-					<fileName>fluxes</fileName>
+					<fileName>nutrientImportFluxes</fileName>
 				</species.WriteNutrientImportFluxes>
 
 				<species.WriteNutrientExportFluxes>
diff --git a/src/main/java/species/DiadromousFishGroup.java b/src/main/java/species/DiadromousFishGroup.java
index 72de7dd24619ae27e66f842f3bf05d1d01983385..360134709f09a3276d8142959f8d41ce427be2ef 100644
--- a/src/main/java/species/DiadromousFishGroup.java
+++ b/src/main/java/species/DiadromousFishGroup.java
@@ -93,12 +93,12 @@ public class DiadromousFishGroup extends AquaNismsGroup< DiadromousFish, BasinNe
 	 */
 	private String basinsToUpdateFile = "data/input/reality/basinsToUpdate.csv";
 
-	private String outputPath = "data/output/" ; 
+	private String outputPath = "data/output/atlanticarea/" ; 
 
 	private long minYearToWrite = 1900;
 	
 	//TODO:remove fileNameFluxes
-	private String fileNameFluxes = "fluxes";
+	private String fileNameFluxes = "nutrientsImportfluxes";
 
 	private transient BufferedWriter bWForFluxes;
 	private transient String sep;
@@ -458,7 +458,7 @@ public class DiadromousFishGroup extends AquaNismsGroup< DiadromousFish, BasinNe
 		}
 
 		// open an bufferad writer to export fluxes
-		if (fileNameFluxes != null){
+		if (!fileNameFluxes.isEmpty()){
 			sep = ";";
 			new File(this.outputPath +fileNameFluxes).getParentFile().mkdirs();
 			try {
diff --git a/src/main/java/species/WriteNutrientExportFluxes.java b/src/main/java/species/WriteNutrientExportFluxes.java
index adf39b394d52a0d03021c169e8d85e792e6b63ad..fcc8c7e2726ed3f66a75a67b17fa97b72668402e 100644
--- a/src/main/java/species/WriteNutrientExportFluxes.java
+++ b/src/main/java/species/WriteNutrientExportFluxes.java
@@ -30,7 +30,7 @@ public class WriteNutrientExportFluxes extends AquaNismsGroupProcess<DiadromousF
 
 		BufferedWriter bW;
 
-		String outputPath = "data/output/" ;
+		String outputPath = group.getOutputPath() ;
 		String sep = ";"; 
 		new File(outputPath + fileName).getParentFile().mkdirs();
 		try {
diff --git a/src/main/java/species/WriteNutrientImportFluxes.java b/src/main/java/species/WriteNutrientImportFluxes.java
index 4d957775845d353bd0c2acf0aa3967c956fdcb16..b481016a80ef52da768c746408528bac675e495b 100644
--- a/src/main/java/species/WriteNutrientImportFluxes.java
+++ b/src/main/java/species/WriteNutrientImportFluxes.java
@@ -17,7 +17,7 @@ import fr.cemagref.simaqualife.kernel.processes.AquaNismsGroupProcess;
 
 public class WriteNutrientImportFluxes extends AquaNismsGroupProcess<DiadromousFish, DiadromousFishGroup> {
 
-	private String fileName= "fluxes";
+	private String fileName= "nutrientImportFluxes";
 
 
 
@@ -32,7 +32,7 @@ public class WriteNutrientImportFluxes extends AquaNismsGroupProcess<DiadromousF
 
 		BufferedWriter bW;
 
-		String outputPath = "data/output/" ;
+		String outputPath = group.getOutputPath();
 		String sep = ";"; 
 		new File(outputPath + fileName).getParentFile().mkdirs();
 		try {