Soil respiration
Soil respiration refers to the production of carbon dioxide when soil organisms respire. This includes respiration of plant roots, the rhizosphere, microbes and fauna.
Wikipedia
https://en.wikipedia.org/wiki/Soil_respiration
Added to support Critical Zone Observatory (CZO) data use cases.
ODM2 Variable Name Controlled Vocabulary
ODM2 Working Group
A vocabulary for describing the name of Variables.