| P8-1 | *Tomohiko Kondoh, Waka Sato-Okoshi, Goh Nishitani, and Yoshinari Endo: Benthic community assemblage in Gamo lagoon (Miyagi Prefecture) after the tsunami related damage by the Great East Japan Earthquake (Japan) |
| P8-2 | ''*Yuya Maruyama, and Kenji Okoshi: Examination of influence of earthquake and massive tsunami on the Manila clam Ruditapes philippinarum by growth break analysis in the inner bays of Tohoku and Tokyo Bay (Japan) |
| P8-3 | *Yuka Ohashi, and Kenji Okoshi: The faunal changes and the present situation of Polychaeta in sandy shore of Miyagi and Fukushima after the Pacific coast of Tohoku Earthquake (Japan) |
| P8-4 | *Wataru Shinohara, and Kenji Okoshi: Changes in the distribution and abundance of intertidal mollusks in sandy shore after the Pacific coast of Tohoku Earthquake (Japan) |
| P8-5 | *Masahiro Suzuki, and Kenji Okoshi: Impact of 3.11 tsunami on growth performance of the invasive snail Euspira fortune (Japan) |
| P8-6 | *Ryo Takata, and Kenji Okoshi: Impact of land subsidence on intertidal animals (Japan) |
