ENVTHES	DSW	Source
http://vocabs.lter-europe.net/EnvThes/EnvEu_35 Loading	http://rs.tdwg.org/dwc/terms/Taxon Loading	LOOM
http://vocabs.lter-europe.net/EnvThes/10056 Loading	http://rs.tdwg.org/dwc/terms/Event Loading	LOOM