| Research Abstract |
The FY 2001 is the final year of the present research and we have accomplished the followings. We carried out the 10 year long-term time-series sediment trapping in the Bering Sea and the central subarctic Pacific. In this FY, we focused on analyses on biogenic opal, calcium carbonate, and organic carbon and nitrogen of the fluxes for the latter half of the ten year's samples. Several important findings include, for example, unusually low total mass flux observed during 1997 and characteristically high fluxes observed during 1998 at Station SA in the central subarctic Pacific. We have completed writing of our synthesis manuscript entitled as "Long term monitoring of particle fluxes in the Bering Sea, 1990-1999, and the central subarctic Pacific, 1990-2000" by Takahashi et al., which has been accepted by Progress in Oceanograph. Furthermore, two significant chapters on Phaeodaria and Polycystine Radiolaria, which serve important particle tracers in the oceans, in "The Second Illustrated Guide to the Protozoa" have just been published.
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