Table 3 Summary of TSDP index value of cities with different resource types.

From: Spatiotemporal patterns and typological differences in the development-protection nexus of resource-based cities in China

Type of cities

Average annual index value

Average annual growth rate of index (%)

Comprehensive index

Development index

Protection index

Comprehensive index

Development index

Protection index

Coal-based

0.238

0.163

0.075

2.882

2.989

2.641

Oil and gas-based

0.241

0.161

0.080

2.786

2.973

2.408

Metal-based

0.212

0.116

0.097

2.787

3.821

1.567

Non-metallic-based

0.267

0.161

0.106

2.805

3.460

1.812

Forestry-based

0.182

0.082

0.100

1.781

3.219

0.634

The overall

0.230

0.145

0.085

2.791

3.217

2.061

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