| Budget Amount *help |
¥22,880,000 (Direct Cost: ¥17,600,000、Indirect Cost: ¥5,280,000)
Fiscal Year 2019: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2018: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2017: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2016: ¥13,910,000 (Direct Cost: ¥10,700,000、Indirect Cost: ¥3,210,000)
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| Outline of Final Research Achievements |
The objective of this study was to generalize the effects of submarine groundwater discharge (SGD) on coastal ecosystems and to propose a new concept of coastal ecosystems. The results demonstrated that SGD significantly increased phytoplankton primary productivity in coastal waters. Furthermore, we found that SGD can create biological hotspots that enhance higher biomass and biodiversity of coastal animals. Finally, a meta-analysis revealed that nutrient transport by SGD is equal to or significantly exceeds that of rivers, and a conceptual model of biological production in coastal ecosystems driven by SGD was presented through a review of studies reported around the world.
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