Table 1 Classification of ecosystem service values to develop ecosystem service sustainability index (ESSI).
Class | Score | SOC* stock (Mg ha–1) | Available N (kg ha–1) | Available P (kg ha–1) | Available K (kg ha–1) | Soil respiration (mg CO2 kg–1 soil day–1) | O2 Supply (t ha–1) | Water holding services (m3 ha–1) | Soil formation (kg ha–1 yr–1) | Yield (t ha–1) |
|---|---|---|---|---|---|---|---|---|---|---|
1 | 1 | < 8 | < 105 | < 15.5 | < 180 | < 25 | < 13 | < 158 | < 25 | < 4.50 |
2 | 2 | 8–10.5 | 105–145 | 15.50–19.1 | 180–220 | 25–45 | 13–14.5 | 158–258.5 | 25–75 | 4.5–5 |
3 | 3 | 10.5–13 | 145–185 | 19.1–22.7 | 220–260 | 45–65 | 14.5–16 | 258.5–359 | 75–125 | 5–5.5 |
4 | 4 | 13–15.6 | 185–225 | 22.7–26.3 | 260–300 | 65–85 | 16–17.5 | 359–459 | 125–175 | 5.5 –6 |
5 | 5 | > 15.6 | > 225 | > 26.3 | > 300 | > 85 | > 17.5 | > 459.5 | > 175 | > 6 |
