Research Article
Effects of Urbanization Expansion on Landscape Pattern and Region Ecological Risk in Chinese Coastal City: A Case Study of Yantai City
Table 2
Urbanization extension in Yantai city in different historical periods.
| Different period | Extension area (km2) | Annual expansion area (km2 y−1) | Urbanization intensity index |
| 1974–1990 | 52.81 | 3.30 | 0.12 | 1990–2000 | 44.76 | 4.48 | 0.16 | 2000–2009 | 92.20 | 10.24 | 0.38 | 1974–2009 | 189.77 | 5.42 | 0.20 |
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