イバラトミヨの生息する湧水潅がい地域での生態系保全型圃場整備手法に関する研究 I 湧水掛かり農業用水路の流水諸元とイバラトミヨの生息環境について
Research on ecosystem maintenance type farm land consolidation technique in spring water irrigation region in which sticklebacks lives I. On running water dimension of spring water hold agricultural water canal and habitat environment of sticklebacks.