Accounting of public preferences and valuation of terrestrial and aquatic ecosystem services restoration: Evidence from Northwestern China

Figures & data

Figure 1. Heihe River Basin (Arc GIS 10.3).

Source: Created by author.

Figure 2. Graphical representation of survey.

Source: Created by author.

Table 1. Random parameter logit results for terrestrial attributes.

Choice	Upper Basin		Middle Basin		Lower Basin
	Coef.	Std. Err.	Coef.	Std. Err.	Coef.	Std. Err.
Mean
Pay	−0.01***	0.00	−0.01***	0.00	−0.01***	0.00
ASC	−1.09**	0.56	−1.58***	0.27	−1.95***	0.87
X1	0.02***	0.01	0.02***	0.01	0.03***	0.02
X2	1.08***	0.31	0.89***	0.14	1.06**	0.55
X3	0.00	0.00	0.00**	0.00	0.00	0.00
X4	0.30***	0.10	0.11***	0.05	0.58***	0.25
X5	1.09***	0.33	0.95***	0.14	0.99**	0.51
X6	0.87**	0.45	0.38***	0.13	−1.39***	0.49
SD
X1	0.09***	0.02	0.10***	0.01	0.03**	0.01
X2	2.60***	0.52	1.83***	0.25	2.05***	1.02
X3	0.00***	0.00	0.00***	0.00	0.00***	0.00
X4	1.07***	0.30	−1.40***	0.16	0.90***	0.41
X5	−2.50***	0.45	2.27***	0.21	−2.69***	0.77
X6	0.57	0.61	2.02***	0.22	−1.96***	0.76
Summary statistics
No of obs	1701		11151		1719
LR chi^2(6)	246.410		1271.660		199.260
Log likelihood	−738.885		−3182.233		−449.974
Prob > chi^2	0		0		0

Note: *(10%), **(5%), ***(1%). X1 X2 X3 X4 X5 X6 = Explained earlier in methodology section.

Source: Authors calculations.

Table 2. Random parameter logit results for aquatic attributes.

Choice	Upper Basin		Middle Basin		Lower Basin
	Coef.	Std. Err.	Coef.	Std. Err.	Coef.	Std. Err.
Mean
Pay	−0.01***	0.00	−0.01***	0.00	−0.02***	0.00
ASC	−3.70***	1.13	−2.36***	0.41	−3.57***	1.15
X1	−1.72***	0.55	−1.28***	0.18	−5.26***	1.56
X2	0.07***	0.03	0.05***	0.02	−0.04***	0.02
X3	−0.17***	0.07	0.04*	0.02	−0.17***	0.08
X4	−0.04***	0.02	0.03***	0.01	0.08**	0.04
X5	0.02***	0.01	0.01***	0.01	0.03**	0.01
SD
X1	2.27***	0.84	2.61***	0.27	−5.45***	1.47
X2	0.23***	0.04	0.20***	0.02	0.36***	0.11
X3	0.25***	0.05	0.21***	0.02	0.35***	0.10
X4	0.19***	0.04	0.16***	0.01	0.21***	0.06
X5	0.04***	0.01	0.05***	0.00	0.07***	0.02
Summary statistics
No of obs	1665		11223		1683
LR chi^2(5)	138.540		946.150		133.650
Log likelihood	−489.627		−3401.528		−453.722
Prob > chi^2	0		0		0

Note: *(10%), **(5%), ***(1%). X1 X2 X3 X4 X5 X6 = Explained earlier in methodology section.

Source: Authors calculations.

Table 3. Mean willingness to pay results for terrestrial attributes.

Variables	Upper Basin	Middle Basin	Lower Basin
X1	2.00	1.38	2.54
X2	97.73	62.44	81.77
X3	0.01	0.03	0.02
X4	27.64	7.70	44.54
X5	99.27	66.49	75.85
X6	79.00	26.69	107.00

Note: X1 X2 X3 X4 X5 X6 = Explained earlier in methodology section.

Source: Authors calculations.

Figure 3. Socioeconomic status of selected respondents.

Source: Created by author.

Figure 4. Depiction of mean, upper, and lower willingness to pay for terrestrial ecosystems in upper, middle and lower basins.

Source: Created by author.

Figure 5. Depiction of mean, upper, and lower limits of willingness to pay for aquatic ecosystems in upper, middle and lower basins.

Source: Created by author.

Table 4. Mean willingness to pay results for aquatic attributes.

Variables	Upper Basin	Middle Basin	Lower Basin
X1	122.81	99.87	177.43
X2	4.81	3.56	2.11
X3	12.24	2.95	9.23
X4	3.17	2.53	4.10
X5	1.11	0.97	1.49

Note: X1 X2 X3 X4 X5 X6 = Explained earlier in methodology section.

Source: Authors calculations.