Abstract
The impact of Invasive Alien Species (IAS) damages on economy has been concerned internationally. Once IAS happened it alos cause impact on multidimensions. Therefore, early detection to the post contol become a global issue to be deat with. The key to succeed in managing IAS problem is information development and sharing. This study focuses on using databases existing globally to modeling IAS on plant species and predicting the poteial of their expansion on the island. The predicted results will be displayed on map to provide resource management agencies to make their discisions on IAS. Niche model and food chain theory combine with environmental variables will be collected and used for the modeling and prediction.