| Budget Amount *help |
¥101,200,000 (Direct Cost: ¥101,200,000)
Fiscal Year 2010: ¥13,500,000 (Direct Cost: ¥13,500,000)
Fiscal Year 2009: ¥16,700,000 (Direct Cost: ¥16,700,000)
Fiscal Year 2008: ¥22,100,000 (Direct Cost: ¥22,100,000)
Fiscal Year 2007: ¥21,000,000 (Direct Cost: ¥21,000,000)
Fiscal Year 2006: ¥27,900,000 (Direct Cost: ¥27,900,000)
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| Research Abstract |
This group provided the biological information to the group who studied the biogenic gasses such as DMS to understand the mechanisms of the variation. Some on-deck incubation experiments showed that diatoms are most important phytoplankton enhanced by typhoon passing and suggested possibilities of altering the carbon cycling and food web structure. Argo-floats with a chlorophyll sensor were deployed. Although we have not observed a typhoon passing, some anomalies of high chlorophyll concentration have been observed. We also found that many copepod species showed seasonal vertical migration behavior, which had recognized as characteristic behavior to polar zooplankton. These results suggest that biological production in the subtropical Pacific is largely depend on the unpredictable spatial and temporal variability of primary production.
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