Table 7 Reviewed studies dealing with soil conservation/formation including its methodology and monetary value

1

Ninan and Kontoleon (2016), India

Hedonic pricing

–

132.33 million US$ year⁻¹

2

Ninan and Kontoleon (2016), India

Opportunity cost

–

0.07 million US$ year⁻¹

3

Kibria et al. (2017), Cambodia

Using nutrient cycling formula

170 US$ year⁻¹

9.47 million US$

4

Li et al. (2017), in China

Calculating the quantity of nutrients and fertilizers kept by the forest

6.56 × 10⁸ ton year⁻¹

–

5

Mamat et al. (2018) in China

Adopt a benefit transfer of Costanza et al. (1997)

11,674.62 US$ ha⁻¹ year⁻¹

–

6

Gaodi et al. (2010), China

Replacement price method of fertilizer

351.45 × 10⁶¥ (in 2004)

–

7

Gaodi et al. (2010), China

Replacement price method of organic manure

728.67 × 10⁶¥ (in 2004)

–

8

Niu et al. (2012)

Market valuation method

–

84.33 billion ¥

9

Sheng et al. (2017)

Using economic valuation techniques

28 ¥ ha⁻¹ year⁻¹

–

10

Ditt et al. (2010)

Using a universal soil loss equation

–

737, 744 tons