Международный детский симпозиум по проблемам экологии региона Северо-Восточной Азии.
1
2
5
6
() 2003 8 7
2003 10 9 ~11 11 198 11 13 165 9 (1) (2) (3) 10 (4) (5) 252 9 102 140 14 101 19 26 663 9
Melanian snail 11
Melanian snail Melanian snail 3 4 Melanian snail Melanian snail 12
Nostoc verrucosum L.) Vaucher Nostoc verrucosum L.) VaucherPungitius pungitius sinensis Nostoc verrucosum L.) Vaucher Nostoc verrucosum L.) Vaucher 13
Anonyx abei) Nostoc verrucosum L.) Vaucher 14
15
16
17
18
19
20
21
22
23
24
27
5 28
29
31
74.4billion m 3 /year
(The performance of the sewage treatment system)
Proper use of detergent and shampoo.
The effect of the actions.
37
38
39
40
41
43
() 2003 10 14 930~ 12 10415 270 258 168 3 120 2003 10 14 930 10 21 7