Landform classifiers	BioAssay Ontology	Source
http://purl.obolibrary.org/obo/PATO_0000462	http://anzsoil.org/def/au/asls/landform/stream-channel-development-O	LOOM
http://www.bioassayontology.org/bao#BAO_0002121	http://anzsoil.org/def/au/asls/landform/slope-value	LOOM