从孢粉_藻类分析探究良渚文化突然消亡的原因.pdf

36 3 ( ) Vol. 36 No . 3 2008 3 JOU RNAL OF TONGJI U NIV ERSITY( NAT URAL SCI ENCE) M ar . 2008 张玉兰 ( , 200092) : 05SGI T 1240 , 05M M T 4 , , , ( Typ ha) ( Cyper aceae) ( Gramineae) ( S alv inia) , ( Concentr icy stes ) ( Zeg nema) . , . : ; ; ; : P 66 : A : 0253- 374X( 200 8) 03- 0402- 04 Cause Investigationof Liangzhu Culture. s Vanishment Based onAnalysis of Sporo-Pollenand Alga ZH AN G Yulan ( School of Ocean and Eart h Science, Tong i Universit y , Shanghai 200092, China) Abstract: According t o t he study on sporo - pollen and alga form 05SGIT 1240 in Guangfulin relics and 05M MT 4 in M aqiao relics, some Typ ha, Cyperaceae, Phrag mi tes, and S alv in ia of hydrophytes are founded in t he upper samples of Liangzhu cult ure. In addit ion , there are also plenty of Concentri- cystes and Zeg nema, which grow in fresh water . Based on the former research and t he foraminifera research, t he analysis result show s that the vanishment of Liangzhu Culture in Taihu Lake is caused by t he flood. Key ords: sporo- pollen; alga; L iangzhu cult ure; vanish [ 3] 1200 , . 60 . 60 . , [ 1] , , , , . , . , 100 , , . 30 , 100 . , , , . 1986 50 , , , / [ 2] . , , , ,