KAWAID Shun(Assistant Professor)
Academic Degree
Doctor of Agriculture
Research Fields
Benthic Ecology, Ecosystem Ecology
Major Professional Backgrounds
April 2011–March 2013: Master course student, Graduate School of Bioresources, Mie University
April 2013–December 2014: Research staff, R&D department, Saraya Co., Ltd.
April 2015–March 2018: Doctoral course student, Department of Ecosystem Studies, Graduate School of Agricultural and Life Sciences, The University of Tokyo
April 2018–Present: Assistant Professor, Aquatic Ecology Division, Estuary Research Center, Shimane University
Research Interests
・ Community structures of macrobenthos in estuaries
・ Ecological role of cellulose digesting enzymes of estuarine macrobenthos
・ Biological production of lower trophic levels and food web structures in estuarine ecosystems
Affiliated Academic Societies
1) Japanese Association of Benthology 2) The Ecological Society of Japan 3) Carcinological Society of Japan
Research Keywords
・Benthic community ・Crab ・Food web ・Cellulose digestion ・Tidal flat ・Salt marsh ・Mangrove
Research Results
1. Papers (peer reviewed)
8. Kawaida, S., Yamana, Y., Tanita, I., Nanjo, K.: First record of the sea cucumber Holothuria (Selenkothuria) erinaceus Semper, 1868 (Holothuroidea: Holothuriida: Holothuriidae) from a Japanese mangrove forest. Laguna. (in press)
7. Nanjo, K., Kawaida, S., Doi, H., Yamamori, T.: Food habits of fishes in salt marsh estuaries in the western Seto Inland Sea, Japan. Ichthyological Research. (in press)
6. Abe H., Hoshino O., Yamada K., Ogino Y., Kawaida S., Sato-Okoshi W. (2022) A novel symbiotic relationship between ascidians and a new tunicboring polychaete (Annelida: Spionidae: Polydora). Zootaxa 5159 (1): 001–022.
3. Kawaida S., Ohtsuchi N., Kohno H., Watanabe Y., Sano M. (2018) Leaf litter consumption by the sesarmid crab Parasesarma bidens in a mangrove forest on Iriomote Island, southern Japan. La mer 56, 37–47.[in Japanese with English abstract]
2. Papers (not peer reviewed)
1. Kawaida S., Nanjo K., Kanai T., Kohno H., Sano M. (2017) Crab assemblage structures in a subtropical mangrove estuary on Iriomote Island, southern Japan. The Study Review of Iriomote Island, Okinawa Regional Research Center, Tokai University 2017, 1–15. [in Japanese]
3. Books
1. Kon K., Yamashiro H., Horinouchi M., Kawaida S. (2020) Experimental design in marine ecology. In: Inaba, K., Hall-Spencer, J.M., eds., Japanese Marine Life - A Practical Training Guide in Marine Biology, Springer, pp. 273-282.
4. International Symposiums
4. Kawaida S., Nanjo K., Ohtsuchi N., Kohno H., Sano M.: The role of crabs having cellulose digestion ability in mangrove organic carbon processing. The Fourth Asian Marine Biology Symposium, Howard Civil Service International House, Taipei, Taiwan. November 2019.
3. Kawane M., Dantsuji Y., Kawaida S., Sekino M, Yusa Y.: Reproductive success of dwarf males and hermaphrodites in Octolasmis unguisiformis. Open International Symposium: Reproductive Biology of Barnacles, Shinagawa Campus, Tokyo University of Marine Science and Technology, Japan. October 2019.
2. Abe, H., Yamada, K., Hoshino, O., Ogino, T., Kawaida, S., Sato-Okoshi ,W.: A novel symbiotic relationship between ascidians and an undescribed tunic-boring polychaete (Annelida: Spionidae: Polydora). 13th International Polychaete Conference, California, U.S.A. August 2019.
1. Kawaida, S., Toyohara, H., Kimura, T. Cellulase activity of ocypodid crabs on the Tanakagawa tidal flat, central Japan. The First Asian Marine Biology Symposium, Phuket, Thailand. December 2012.