unused method as deprecated

src/main/java/environment/Basin.java

@@ -112,7 +112,6 @@ public class Basin implements Position, Comparable<Basin> {
 	 */
 	private Map<DiadromousFishGroup, Long> effectivePerGroup;
 
-
 	public Basin(int id, String name, double winterTemperature, double springTemperature, double summerTemperature,
 			double fallTemperature) {
 		this.id = id;
@@ -188,6 +187,7 @@ public class Basin implements Position, Comparable<Basin> {
 	}
 
 
+	@Deprecated
 	public void updateEffective() {
 		for (DiadromousFishGroup group : fishPerGroup.keySet()) {
 			long eff = 0;