The Scientific World Journal / 2014 / Article / Tab 5

Research Article

Effects of Urbanization Expansion on Landscape Pattern and Region Ecological Risk in Chinese Coastal City: A Case Study of Yantai City

Table 5

Area of different level ecological risk from 1990 to 2009.

Ecological risk grade199020002009199020002009
Area (km2)Area proportion (%)

Low ecological risk region92.9791.4788.473.423.363.25
Sublow ecological risk region654.59629.28388.1224.0723.1414.27
Moderate ecological risk region1633.041550.901487.9260.0557.0354.72
Subhigh ecological risk region300.94386.22650.6511.0714.223.93
High ecological risk region37.7961.47104.181.392.263.83