Residential Environment Induced Preference Heterogeneity for River Ecosystem Service Improvements: A Comparison between Urban and Rural Households in the Wei River Basin, China

Table 1

Levels of different valuation indicators.

Valuation indicators	Status quo		Alternative levels		Target level
Percentage of forest coverage	30%		31%	33%	35%
Average water quality level	Level 4.5		Level 4	Level 3.5	Level 3
Water quantity per person (percentage of average level in China)	15%		17%	19%	20%
Soil erosion controlling area (percentage)	80%		85%	88%	90%
Soil erosion intensity	Moderate (=3)		Partially mild (=2)		Mild (=1)
Natural landscapes	20%		30%	35%	40%
Percentage of ecotravel, forest parks	25%		30%		35%
Cost	0	50	100	200	300	400