Table 2.

Choice sets applied in the study cases.

Attribute	Levels	Attribute	Levels
Forest cover	Increasing	Hydrologic regulation	Increasing
(Total area of forest in the area)	Maintaining	(Capacity to maintain water supply)	Maintaining (SQ)
	Decreasing (SQ)		Decreasing
Attribute	Levels	Attribute	Levels
Productive activities	Increasing (SQ)∗	Willingness to pay	$ 0 (SQ)
(Agriculture and livestock)	Maintaining (SQ)∗	(preferences for paying or not)	$3.000
	Forbidding		$5.000
			$10.000

SQ = Status Quo. ∗ In Viterbo village, the SQ relates to an increasing in productive activities, in Salamina village the scenario is steady.