Multidisciplinary Mitigations for Ocean Environment Conservation

Global ocean climate change poses significant threats to marine ecosystems, requiring multidisciplinary approaches for mitigation. Japanese research highlights expanding distributions of reef-building corals, deep-sea water temperature rise, ocean acidification impact on marine plankton, and thinning pteropod shells. Innovations like coastal eutrophication management through algae aquaculture and biofuel production, alongside suggestions for addressing marine plastic debris and deep-sea mining, emphasize the need for collaborative efforts in safeguarding the ocean environment.

• Ocean conservation
• Climate change
• Multidisciplinary mitigation
• Marine ecosystems
• Innovation

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1. Need of Multidisciplinary Mitigations to Save Ocean Environment Yoshihisa Shirayama Japan Agency for Marine Earth Science and Technology And Ocean Policy Research Institute, Sasakawa Peace Foundation

2. Status Global Ocean Climate Change is real Distribution of Japanese reef-building corals expands toward North Even rise of deep-sea water temperature has been observed in the Southern Ocean Ocean Acidification starts to impact marine plankton Thinning of Pteropod shells has been observed in the Arctic Ocean Mitigation of CO2 emission is not enough

3. Example of Innovation (Coastal Eutrophication) Atmospheric CO2 Eutrophication Combination Sea weed aquaculture Biofuel production CCS Reduce Atmospheric CO2 Nutrients Sea weed Aquaculture Blue Carbon Biofuel Electricity Generation CCS

4. How to implement? Many other possibilities Marine Plastic Debris ++ Deep-sea Mining ++ Dialogue among multidisciplinary stakeholders Increase of opportunity Business chance of Networking and Innovation