@prefix dct: . @prefix ns1: . @prefix ns2: . @prefix ns3: . @prefix rdfs: . @prefix skos: . a skos:Concept ; dct:created "2019-01-14" ; dct:modified "2019-01-14" ; ns2:hasProfile ; ns3:status ; rdfs:seeAlso ; skos:definition "Content indicates a quantity per unit area. The specification of a physical process by the phrase due_to_process means that the quantity named is asingle term in a sum of terms which together compose the general quantity named by omitting the phrase. Deposition of nitrogen into the ocean is the sum of dry and wet depositionof nitrogen species onto the ocean surface from the atmosphere. 'Nitrogen fixation' means the production of ammonia from nitrogen gas. Organisms that fix nitrogen are termed 'diazotrophs'. Diazotrophic phytoplankton can fix atmospheric nitrogen"@en ; skos:exactMatch ; skos:prefLabel "tendency of ocean mole content of elemental nitrogen due to deposition and fixation and runoff"@en ; ns1:hadPrimarySource .