Take action to prevent and correct all the watershed systems. From the mouth of the River upstream to the priority of the problem and action plan to prevent and resolve the problem.
Preventing and correcting systemic and watersheds. From the headwaters to the mouth of the river, with the priority of the problem and the action plan to prevent and resolve.
the prevent and resolve systematically the drainage area. From upstream to the delta with the priority of the problem and action plan ป้องกันและ solutions.