Thesaurus for long-term ecological research, monitoring, experiments	Comparative Data Analysis Ontology	Source
http://purl.obolibrary.org/obo/CDAO_0000110	http://vocabs.lter-europe.net/EnvThes/USLterCV_1	LOOM
http://purl.obolibrary.org/obo/CDAO_0000121	http://vocabs.lter-europe.net/EnvThes/USLterCV_540	LOOM
http://purl.obolibrary.org/obo/CDAO_0000121	http://vocabs.lter-europe.net/EnvThes/21028	LOOM