... the inland might have no relationship with salinisation of crop land, but in the long run, salt water might leak out and penetrate through dike system to the rice land, and render those lands ... several negative social and environmental problems, and recently trading competitive and anti-dumping issues. One of the most serious environmental problems is the pressure of expanding shrimp ... environmental and social issues also need to be highlighted. Negative impacts included habitat degradation, pollution by nutrients and organic wastes from effluents and wastes, chemicals and medicinal...