--- a/artifacts/doc/conf/meta-data.xml	Fri Sep 27 14:42:03 2013 +0200
+++ b/artifacts/doc/conf/meta-data.xml	Fri Sep 27 16:13:54 2013 +0200
@@ -1230,6 +1230,8 @@
     </dc:macro>
 
     <dc:macro name="yields">
+      <yields>
+      <years>
       <dc:context>
         <dc:statement>
             SELECT DISTINCT
@@ -1247,14 +1249,42 @@
         <dc:if test="dc:has-result()">
           <dc:for-each>
             <year description="{$description}"
-                    factory="sedimentyield"
-                    target_out="{$out}"
-                    info="infome"
+                   factory="sedimentyield"
+                   target_out="{$out}"
+                   info="infome"
                   ids="{$syid}" />
-<!-- or epoch -->
           </dc:for-each>
         </dc:if>
       </dc:context>
+      </years>
+      <epochs>
+      <dc:context>
+        <dc:statement>
+            SELECT DISTINCT
+                sy.id AS syid,
+                sy.description AS description,
+                ti.start_time AS year
+            FROM     sediment_yield sy
+                JOIN rivers r ON sy.river_id = r.id
+                JOIN sediment_yield_values syv ON sy.id = syv.sediment_yield_id
+                JOIN time_intervals ti ON sy.time_interval_id = ti.id
+            WHERE   r.name = 'Elbe'
+                AND ti.stop_time IS NOT NULL
+                AND syv.station BETWEEN ${fromkm} AND ${tokm}
+        </dc:statement>
+        <dc:if test="dc:has-result()">
+          <dc:for-each>
+            <epoch description="{$description}"
+                   factory="sedimentyield"
+                   target_out="{$out}"
+                   info="infome"
+                   ids="{$syid}" />
+          </dc:for-each>
+        </dc:if>
+      </dc:context>
+      </epochs>
+
+      </yields>
     </dc:macro>