1812158 2004 2004 Tanaka, N., Momohara, A., Sakayama, H., and Uehara, K., 2003, Chara species that emerged from 40-years-old sediments from Lake Teganuma, central Japan. Natural History Research 7(2) 101-105. Uehara, K., Tanaka, N., Momohara, A., and Zhou, ZK., 2006. Genetic diversity of an endangered aquatic plant, Potamogeton lucens subspecies sinicus. Aquatic Botany, 85, 350-354. 2
4.1) 4.2) 4.3) 3
4
5
Potamogeton panormitanus Biv. 1994 0.5mm P. pusillus L. 1.5 2cm 5 7mm 1994 2 2.5mm 1.2 2mm 1 1.5mm 1.5cm 10 100 20 10 P. obtusifolius Mert. et Koch. P. maackianus A.Benn. P. compressus L. P. octandrus Poir. P. orientalis Hagstr. P. dentatus Hagstr. IA P. cristatus Regel et Maack P. kamogawaensis Miki P. nipponicus Makino 6
P. praelongus Wulf B P. alpinus Balbis P. pectinatus L. IA CR 50E 12 1937 7
1994 8
9
2001 2001 2002 2003 2004 2001 2001 10
2002 2001 2002 11
2002 12
2005 4.1 2002 7000 13400cm 5000 0.25mm 5000 0.7mm 2000cm3 13
2000cm 3 2 31 2000cm 3 10 100 2001 10cm 2003 4.2 2001 2002 14
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16
17
18
19
20
21
22
5.3) 23
24
25
21 4cm 0cm 26
22 4cm 0cm 23 4cm 0cm 27
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