Core ontologies used to decribe earth science area concepts, includes:


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* SWEET(Semantic Web for Earth and Environmental Terminology)
* ChEBI (Chemical Entities of Biological Interest)
* OBO-E (Extension Observation Ontology)
* Plant Trait Ontology
* OBI (Ontology for Biomedical Investigations)
* KB_Bio_101 (AURA)
* Fire Ontology (FIRE)
* Animal Natural History and Life History Ontology (ADW)
* Cerrado concepts and plant community dynamics (CCON)
* Logical Observation Identifier Names and Codes (LOINC)
* Metagenome and Microbes Environmental Ontology (MEO)