| Budget Amount *help |
¥40,170,000 (Direct Cost: ¥30,900,000、Indirect Cost: ¥9,270,000)
Fiscal Year 2019: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
Fiscal Year 2018: ¥10,660,000 (Direct Cost: ¥8,200,000、Indirect Cost: ¥2,460,000)
Fiscal Year 2017: ¥10,790,000 (Direct Cost: ¥8,300,000、Indirect Cost: ¥2,490,000)
Fiscal Year 2016: ¥12,220,000 (Direct Cost: ¥9,400,000、Indirect Cost: ¥2,820,000)
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| Outline of Final Research Achievements |
In this study, we focused on the effect of bioaerosol on cloud formation as a link between the biological activity of the ocean and the climate system. As a key to control this process, we especially addressed the microbial dynamics in the sea surface microlayer and sea spray aerosols. First, we identified a key microbial group that possibly controls the qualitative and quantitative variation of aerosols released from the ocean into the atmosphere. Secondly, we constructed the genome of key microbial groups from metagenomic information and established the infrastructure for their functional analysis. Third, we were able to simultaneously describe the changes in the structure and functional potentials of microbial communities and in the activity of cloud condensation nuclei of sea spray aerosols according to the changes in environmental factors of seawater.
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