About: http://webisa.webdatacommons.org/132432146

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	When soils are not saturated with water, then the pores also contain a mixture of gases, including nitrogen, oxygen, and carbon dioxide (as in normal air) and more exotic types such as methane, phosphate and hydrogen sulfide.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com