“I gratefully acknowledge to my research advisor, Prof. Ryuji Kakimoto, Director of Center for Water Cycle, Marine Environment and Disaster Management, Kumamoto University, for his close guidance, valuable suggestions and permission to carry out the research work in his lab throughout my research program. I would like to express my special thanks to the UNESCO/Keizo Obuchi Research Fellowships Programme and the officers of UNESCO Headquarter and UNESCO Myanmar, for their various supports regarding to my research program. I would to extend my special thanks to all of the staffs and officers of Kumamoto University for their kindness and in various helps”.
