Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Oligotrophic grassland communities-en#Sense
Gazon oligotrophe-fr#Sense
Cotica oligotrofa-it#Sense
Magerrasen-de#Sense
Césped estéril-es#Sense
Césped oligotrófico-es#Sense