Use of multi-beam sonar to map seagrass beds in Otsuchi Bay on the Sanriku Coast of JapanTeruhisa Komatsu, Chiaki Igarashi, Kenichi Tatsukawa, Sayeeda Sultana, Yasuaki Matsuoka and Shuichi HaradaAquat. Living Resour., 16 3 (2003) 223-230DOI: https://doi.org/10.1016/S0990-7440(03)00045-7