About MATSUMURA C
About Univ. Tokyo, Tokyo, JPN
About YOKOYAMA J
About Tohoku Univ. Aoba, Miyagi, JPN
About WASHITANI I
About Univ. Tokyo, Tokyo, JPN
About Global Environmental Research
About Apidae
About environmental impact
About Population ecology
About Nature conservation
About 外来種
About セイヨウオオマルハナバチ
About 膜し類
About ミツバチ科
About 北海道
About 生息
About 状況
About 生態
About インパクト