| DataCode | DataCode | Nominal | Dataset code |
| RecType | | Physical quantity | Record type |
| RecYear | | Physical quantity | Year of sample |
| Plot | | Nominal | Field plot IDs |
| Replicate | | Nominal | Code A or B |
| Burn | | Nominal | Burned (B) or unburned (UB) |
| Nutrient | | Nominal | Fertilization treatment. (C = control; R = previously fertilize with nitrogen (annual fertilization ceased in 2017) |
| PlantFunctionalGroup | | Nominal | Plant Functional Group. Lvgrass, Forb, PreviousDead, or Woody |
| C_anpp | | Physical quantity | Percent carbon in aboveground biomass |
| N_anpp | | Physical quantity | Percent nitrogen in aboveground biomass |
