About HIRAI N
About National Inst. Environmental Studies, Tsukuba, JPN
About TATARAZAKO N
About National Inst. Environmental Studies, Tsukuba, JPN
About KOSHIO M
About National Inst. Environmental Studies, Tsukuba, JPN
About KAWABE K
About National Inst. Environmental Studies, Tsukuba, JPN
About SHIRAISHI F
About National Inst. Environmental Studies, Tsukuba, JPN
About HAYAKAWA Y
About National Inst. Environmental Studies, Tsukuba, JPN
About MORITA M
About National Inst. Environmental Studies, Tsukuba, JPN
About Environmental Sciences (Tokyo)
About Viviparidae
About ヒメタニシ
About Influence on animals
About 霞ケ浦
About 淡水
About タニシ科
About 性比
About 成熟
About サイズ
About 季節的変動