Abstract
With the double pressure of rapid economic development and ecosystem degradation, the ecosystem of Panjin wetland has been damaged to different degrees. Early warning research on ecological security in this region can provide decision-making basis for the ecosystem protection and management. Taking Panjin as the study area, the ecological security level of all towns in Panjin was evaluated by establishing the warning system of Panjin ecological security. The results showed that on the town scale, there were 20 towns or regions in the warning level of grade III or grade IV, indicating that the ecolsystems in these areas were in general and good situation with the integrated value of ecological security from 0.41 to 0.71. Other 11 towns or regions, most of which were located in the northeast of Panjin had ecological security warning level of grade II, with the integrated value of ecological security from 0.28 to 0.39. These towns often have higher economic development level and less ecological protection measures. Therefore, when the government makes policies in these towns, more wetland ecological protection plans should be fully taken into account.
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