Research theme for competitive and other funds (3)：
2017 - 2020 閉鎖性山岳湖沼の放射性セシウム濃度の下げ止まり現象の原因究明
2015 - 2018 Analysis of gene structure to determine serotype of Flavobacterium psychrophilum and its application in the development of epidemiological marker
2014 - 2017 The dynamics of radiocesium in the hydrosphere ecosystem of Lake Onuma on Mt. Akagi
Papers (59)：
Hajime Arai, Shun Watanabe, Shotaro Izumi. Epizootiological Study of Bacterial Cold-water Disease Using PCR-RFLP Genotyping of <i>Flavobacterium psychrophilum</i> in the Kanna River, Gunma Prefecture, Japan. Fish Pathology. 2023. 58. 4. 164-170
