Table 4. Effect of coprophagous insects on cumulative emission of CH3 and N2O from cow dung for 7 days.
| Treatment | Cumulative flux (mL)1) | mgCO2eq2) | ||||
|---|---|---|---|---|---|---|
| CH4 | Δ% | N2O | Δ% | CH4 | N2O | |
| Dung beetles | 2.324 | 42.3 | 0.116 | 23.4 | 41.5 | 67.6 |
| Fly larvae | 0.893 | 77.8 | 0.011 | 88.3 | 15.9 | 6.3 |
| No insects | 4.025 | – | 0.094 | – | 71.9 | 54.8 |
1)
Cumulative flux of greenhouse gas (GHG) emitted from dung for 7 days.
2)
Calculated with global warming potential(GWP) values (CH4: 25, N2O: 298) relative to CO2 adapted from IPCC Fifth Assessment 2014 (AR5). GHG, greenhouse gas.