| allometry | Data: Stem masses and heights for plants collected from Colt State Park, Rhode Island, USA, during summer 2016 |
| ap | Convert per mil isotope values to atom percent |
| bCM | Parameterize Box-Cox model for mass-height allometry (based on Lu et al. 2016) |
| CN_mass_data | Data: Nutrient concentrations, stable isotope ratios, and biomass from destructive mesocosm harvests |
| dea | Data: Denitrification enzyme activity and in vitro N2O production rates |
| nappCalc2 | Calculate net aboveground primary production |
| nmolHr_mgDay | Convert N2O units from nanomoles of N2O per hour to milligrams of N per day |
| se | Calculates standard error |
| stemHeights | Data: Stem heights for each mesocosm and each measurement date |