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Prefix	Namespace IRI
n4	http://purl.obolibrary.org/obo/
obo	http://www.geneontology.org/formats/oboInOwl#
rdf	http://www.w3.org/1999/02/22-rdf-syntax-ns#
owl	http://www.w3.org/2002/07/owl#
xsdh	http://www.w3.org/2001/XMLSchema#

Subject Item: _:vb1218169
rdf:type: owl:Axiom
obo:hasDbXref: PLB:plb
owl:annotatedProperty: n4:IAO_0000115
owl:annotatedSource: n4:ENVO_01000073
owl:annotatedTarget: An expanse of marine water characterised by low concentrations of nutrients such as phosphate, nitrate as well as organic matter and, hence, low primary productivity. These regions tend to have high dissolved oxygen levels due to a lack of respiration.