About DOI TAKAHIDE
About NAKAMURA TOMOYUKI
About 水産総合研究セ 中央水研
About YOKOTA MASASHI
About MARUYAMA TAKASHI
About WATANABE SEIICHI
About NOGUCHI HIROFUMI
About SANO YUSUKE
About FUJITA TOMOFUMI
About 日本水産学会誌
About Salvelinus pulvius
About animal damage
About Fishing gears,fishing tackles
About 渓流魚
About 残留
About 釣り
About 鈎
About 動向