http://www.vocabularyserver.com/gemet/en/ GEMET Thesaurus EIONET EIONET 1998-12-31 en 2011-04-14 11:56:16 trophic level 2011-04-14 11:56:16http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=3358http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=3935http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=6035http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=6577http://www.vocabularyserver.com/gemet/en/xml.php?skosTema=7450