Study on Ecological Risk Evaluation and Optimum Selection of Desert Expressway Schemes Based on the Two-Dimensional Cloud Model

Table 3

The weight range of assessment indexes.

Evaluation experts	Weight of evaluation experts	Evaluation indexes’ weight interval
		U1	U2	U3	U4	U5
P1	0.115	[1.4, 1.9]	[2.0, 2.2]	[1.8, 2.0]	[0.8, 1.2]	[1.5, 1.8]
P2	0.225	[1.2, 1.7]	[1.5, 1.7]	[1.1, 1.6]	[1.2, 1.5]	[1.4, 1.6]
P3	0.155	[1.3, 1.6]	[1.3, 1.8]	[1.3, 1.7]	[1.1, 1.5]	[1.5, 1.9]
P4	0.245	[1.7, 2.1]	[1.5, 2.1]	[1.7, 2.0]	[1.3, 1.8]	[1.2, 1.5]
P5	0.135	[1.3, 1.7]	[1.2, 1.6]	[1.2, 1.5]	[1.1, 1.6]	[1.0, 1.2]
P6	0.125	[1.4, 1.8]	[1.3, 1.7]	[1.7, 2.1]	[1.7, 2.1]	[1.3, 1.6]