http://vocab.lternet.edu/vocab/vocab/http://vocab.lternet.edu/vocab/vocab/skos/898barrier islands http://vocab.lternet.edu/vocab/vocab/skos/898 wetlands BT http://vocab.lternet.edu/vocab/vocab/skos/898 terrestrial ecosystems BT http://vocab.lternet.edu/vocab/vocab/skos/898 barrier island UF