https://vocabularyserver.com/asfa/ Aquatic Sciences and Fisheries Thesaurus FAO. AQUATIC SCIENCES AND FISHERIES INFORMATION SYSTEM Aquatic Sciences and Fisheries, fao FAO. AQUATIC SCIENCES AND FISHERIES INFORMATION SYSTEM 2009-12-22 en 2010-12-22 23:08:10 Catadromous migrations 2010-12-22 23:08:10 Downstream migrations https://vocabularyserver.com/asfa/xml.php?skosTema=817https://vocabularyserver.com/asfa/xml.php?skosTema=814https://vocabularyserver.com/asfa/xml.php?skosTema=822