@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" ; ns1:hasProfile ; ns3:status ; rdfs:seeAlso ; skos:definition "Upward indicates a vector component which is positive when directed upward (negative downward). Plant respiration is the sum of respiration by parts of plants both above and below the soil. Plants which photosynthesise are autotrophs i.e.producers of the biomass which they respire from inorganic precursors using sunlight for energy. In accordance with common usage in geophysical disciplines"@en ; skos:exactMatch ; skos:prefLabel "surface upward carbon mass flux due to plant respiration for biomass growth"@en ; ns2:hadPrimarySource .