ENVTHES	WISE_CLASS	Source
http://vocabs.lter-europe.net/EnvThes/20785 Loading	http://dd.eionet.europa.eu/vocabulary/wise/ClassificationSystem/Chla Loading	LOOM
http://vocabs.lter-europe.net/EnvThes/USLterCV_103 Loading	http://dd.eionet.europa.eu/vocabulary/wise/ClassificationSystem/Chla Loading	LOOM