http://vocab.lternet.edu/vocab/vocab/ LTER Controlled Vocabulary jporter jporter 2018-09-19 en 2011-01-14 17:12:33 primary production 2011-01-14 17:12:33http://vocab.lternet.edu/vocab/vocab/skos/449http://vocab.lternet.edu/vocab/vocab/skos/905http://vocab.lternet.edu/vocab/vocab/skos/363http://vocab.lternet.edu/vocab/vocab/skos/448