http://thesaurus.bhlscielo.org/vocab/pthttp://thesaurus.bhlscielo.org/vocab/pt?tema=213Agroecossistema http://thesaurus.bhlscielo.org/vocab/pt?tema=213 Agricultura BT http://thesaurus.bhlscielo.org/vocab/pt?tema=213 Desenvolvimento Ambiental BT http://thesaurus.bhlscielo.org/vocab/pt?tema=213 Ecossistema BT