Tongan District in Xiamen was chosen as the study area which borders on Tongan Bay. The environmental costs incurred by applying pesticides in Tongan District from July 1999 to June 2000 are evaluated.

• 选择濒临同安湾的厦门同安区为案例研究区；以1999年7月至2000年6月为研究年限；对该地区施用农药的环境费用加以货币化评估.