Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Flußabwärtswanderung der Aale-de#Sense
Utvandring-sv#Sense
Återvandring-sv#Sense
Avvallamento-it#Sense
Avalancha-es#Sense
Avalaison-fr#Sense
Μετανάστευση χελιών-el#Sense
Paaitrek-nl#Sense
Downstream migration-en#Sense
Vandring-da#Sense