supported by the NKBRSF(Grant No.G2000078500);the National Natural Science Foundation of China(Grant Nos.40321603,40276020 and 40176015);the Foundation for the Author of National Excellent Doctoral Dissertation of the People’s Republic of China(Project No.200126);the Foundation for University Key Teachers,Ministry of Education of China.
Cycladophora davisiana (Radiolarian) contents are counted in two cores of the Ber-ing Sea and correlated well with the oxygen isotopic records of ice in the deep core obtained by the Greenland Ice Sheet Project II (GI...