4 12 2 http://purl.dataone.org/odo/ecso.owl/ECSO_00000516 CO2 Concentration 'CO2 Concentration' SubClassOf 'concentration' 'CO2 Concentration' SubClassOf http://purl.dataone.org/odo/ECSO_00000512 http://purl.dataone.org/odo/ecso.owl/ECSO_00000505 height 'height' SubClassOf 'Measurement' http://purl.dataone.org/odo/ecso.owl/ECSO_00000508 moisture 'moisture' SubClassOf 'concentration' 'moisture' SubClassOf http://purl.dataone.org/odo/ECSO_00000512 http://purl.dataone.org/odo/ecso.owl/ECSO_00000507 concentration 'concentration' SubClassOf 'ratio' http://purl.dataone.org/odo/ECSO_00000510 circumference 'circumference' SubClassOf 'Measurement' http://purl.dataone.org/odo/ECSO_00000511 height 'height' SubClassOf 'Measurement' http://purl.dataone.org/odo/ECSO_00000512 concentration 'concentration' SubClassOf 'ratio' http://purl.dataone.org/odo/ECSO_00000509 diameter 'diameter' SubClassOf 'Measurement' http://purl.dataone.org/odo/ECSO_00000508 Macroalgae 'Macroalgae' SubClassOf 'Multi-Celled Organism' http://purl.dataone.org/odo/ECSO_00000507 Natural experiment 'Natural experiment' SubClassOf 'Experiment' http://purl.dataone.org/odo/ECSO_00000506 Manipulative experiment 'Manipulative experiment' SubClassOf 'Experiment' http://purl.dataone.org/odo/ECSO_00000504 Phytoplankton 'Phytoplankton' SubClassOf http://purl.obolibrary.org/obo/ENVO_01000155 http://purl.dataone.org/odo/ECSO_00000505 Experiment 'Experiment' SubClassOf 'Method' http://purl.dataone.org/odo/ECSO_00000502 Ground 'Ground' SubClassOf 'entity' http://purl.dataone.org/odo/ECSO_00000503 Plant material 'Plant material' SubClassOf http://purl.obolibrary.org/obo/ENVO_01000155 http://purl.obolibrary.org/obo/ENVO_01000155 http://purl.dataone.org/odo/ecso.owl/ECSO_00000505 height 'height' SubClassOf 'Measurement' http://purl.dataone.org/odo/ecso.owl/ECSO_00000507 concentration 'concentration' SubClassOf 'ratio'