Table 2 Index weights of the comprehensive evaluation system for the Wall-Top Plants
The Constraint Layer | Weights of the Constraint Layer indicators | The Standard Layer | Weights of the Standard Layer indicators | Index Weights of Comprehensive Evaluation |
|---|---|---|---|---|
C1 Biological characteristics | 0.239 | P1 Plant type | 0.110 | 0.026 |
P2 Plant diameter /cm | 0.108 | 0.025 | ||
P3 Plant height /cm | 0.069 | 0.016 | ||
P4 Growing condition | 0.167 | 0.040 | ||
P5 Intrusiveness | 0.398 | 0.095 | ||
P6 Regenerative capacity | 0.148 | 0.035 | ||
C2 Disruptive effects | 0.549 | P7 Impact on the near side walls | 0.358 | 0.197 |
P8 Impact on the top surface of the Great Wall | 0.235 | 0.129 | ||
P9 Influence of encroachment and decay | 0.223 | 0.123 | ||
P10 Biological nests | 0.183 | 0.101 | ||
C3 Application value | 0.211 | P11 Historical and cultural value | 0.435 | 0.092 |
P12 Ecological value | 0.296 | 0.063 | ||
P13 Landscape value | 0.269 | 0.057 |