Table 5 Earthworm populations, biomass and economic value of soil formation in Miscanthus x giganteus sheltered and control areas (2016 values).
Sampling year | Shelter area | Earthworm number/m2 | Earthworm biomass (t ha−1) | Soil formation (t ha−1 yr−1) | Soil formation value (US$ ha−1 yr−1) |
|---|---|---|---|---|---|
2014 | Shelter | 728 | 1.456 | 1.456 | 49.36 |
2014 | Control | 315 | 0.63 | 0.63 | 21.36 |
2015 | Shelter | 125 | 0.25 | 0.25 | 8.47 |
2015 | Control | 68 | 0.136 | 0.136 | 4.61 |