Mole Concentration of Particulate Organic Matter Expressed as Nitrogen in Sea Water (pon)

https://w3id.org/hacid/data/cs/variables/mip/pon <https://w3id.org/hacid/onto/data/Variable>

sum of particulate organic nitrogen component concentrations rdf:langString
rdf:langString Mole Concentration of Particulate Organic Matter Expressed as Nitrogen in Sea Water (pon) 
rdf:langString pon 

data from the linked data cloud