6. 謝辞

本研究で使用した御前崎の海水温は気象庁御前崎測候所に提供して頂いた。また、静岡大学理学部の千葉聡博士、石川剛志博士、地質調査所海洋地質部の西村昭博士、鈴木淳博士には熱心に議論していただき、有用な意見を頂戴した。また、飼育実験や測定では、静岡大学理学部北里研究室のメンバーや東北大学大学院斉藤出氏にお世話になった、厚くお礼申し上げる。なお、本研究の一部は文部省科学研究費補助金（no.06454002）を用いて行われた。

7. References

1) Beck, J. W., Edwards, R. L., Ito, E., Sea-surface temperature from coral skeletal Strontium/Calcium Ratios. Science, 257, 644-677, 1992

2) Broecker, W. S. and T. -H. Peng, Tracers in the Sea. Eldigiod Press, New York, 690p, 1982

3) Delaney, M. L., Be, A. W. H., Boyle, E. A., Li, Sr. Mg, Na in foraminiferal calcite shells from laboratory culture, sediment traps, and sediment cores. Geochimica et Cosmochimica Ada, 49, 1327- 1341, 1985

4) Nurnberg, D., Bijma, J., Hemleben, C., Assessing the reliability of magnesium in foraminiferal calcite as a proxy for water mass temperatures. Geochimica et Cosmochimica Acta, 60, 803-814, 1996

5) Hemleben, C. and Kitazato, H., Deep-sea foraminifera under long time observation in the laboratory. Deep-Sea Research 1, 4 2, 827-83 2, 1995

6) Ohga, T., Seasonal changes in population ecology of deep-sea benthic foraminifera in Sagami Bay, Master Thesis, Institute of Geosciences, Shizuoka University, 53p, 1995

7) Tsuchiya, M., Aizawa, M., Suzuki-Kanesaki, H., and Kitazato, H., Life history of Glabraieila opercularis (d'Orbigny) observations and experiments. PaleoBios, 16(2)supplement, 62, 1994

8) Boyle, E. A., Cadmium: chemical tracer of deep water paleoceanography. Paleochenography, 3, 471-489, 1988

9) Izuka, S. K., Relationship of magnesium and other minor elements in tests of Cassidlina sub globosa and C. oriangulata to physical oceanic properties. Journal of Foraminiferal Research, 18, 151-157, 1988

10) Nurnberg, D., Magnesium in tests of Neogloboquadrina pachyderma sinistral from high northern and southern latitudes. Journal of Foraminiferal Research, 25, 350-368, 1995

11) Cronin, T. M., Dwyer, G. S., Baker, P. A., Rodriguezlazara, J. and Briggs, W. M., Jr., Deep-sea ostracoda shell chemistry (Mg:Ca ratios) and late Quaternary arctic ocean history., In Andrews, J.T., Austin, W. E N., Bergsten, H. and Jennings, A.E. (eds.), Laze Quaternary, Paleoceanography of the North Atlantic Margins, Geological Society Special Publication, 111, 117-134, 1996

12）松本英二、阿部理、三ツ口丈裕、サンゴ骨格年輪から読む大気一海洋の変動性、月刊海洋, 27, 516-519, 1995

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