The concerns of coastal education practitioners were extracted from discourse at the Tokyo Bay Museum Roundtable. Although practitioners' areas of expertise and forms of activities varied, the following five concerns were common: how to connect the participants’ experience to their "learning"; hard to attract the age group intended in the planning; no way of knowing the participants’ honest evaluation of the program/exhibit for improvement; not knowing the participants’ connection of interest after the hands-on activity; very few individuals are inclined to become successors to lead the activity. From these concerns, the following three challenges for coastal education actors, such as museums, were identified: strengthening resource capacity within the organization; building and strengthening linkages with school/home education; fostering partnerships with program participants. The latter two have the potential to complement the former as “social capital”. In the capacity development of ICM, social capital should be considered a resource that deserves more attention. While opportunities for discourse among coastal education practitioners, such as this Roundtable, would contribute to strengthening practitioners' capacities, support may be needed to encourage them to attend and frankly exchange opinions in such opportunities.

In a maritime traffic census, use of the data obtained by the Automatic Identification System (AIS) is systematized for large ships which are legally obligated to install AIS. Meanwhile, it is costly and time consuming to identify the size and the type of small ships. Particularly in nighttime, it requires enormous time to conduct the observation by sight and to check the radar data. In addition, the ship type and the size of small ships are often recorded, where the conditions are complicated, by the subjective judgement of the observation personnel. In order to conduct labor- and time-saving traffic census of small ships, we reviewed a method of ship type identification by the ship’s image and the radar reflection intensity using the Artificial Intelligence (AI) technique. We reviewed the identification of ship type with the observed data in the coastal area of Seto Inland Sea using the AI technique, and report the result obtained.

This study presents an international comparison of national information system structure composed of Single Window systems (SW) such as Maritime Single Window (MSW), Trade Single Window (TSW) and Port Community System (PCS) between Republic of Korea, Singapore, Netherlands, and Japan. We researched on establishment and data linkage between SWs in each country for the comparison. Based on the comparison, we explored the global positioning of Japan's SWs and concluded it as follows: (1) The status of the establishment of SWs in Japan is same as the other countries; (2) SWs for B2B procedures in Japan has been established later than the other countries; (3) The data linkage projects between SWs in Japan are ongoing; and (4) The use rate of SWs for B2B in Japan is lower than the other countries. Furthermore, we found the following implications for Japan’s SW policy: (a) Duplication of functions between SWs should be avoided; (b) PCS in Japan would be better to have a function of gateway to MSW; and (c) Data linkage for container visibility data with foreign SWs would be helpful for supply chain management.

The present study investigates the potential usage of anaerobic digestate as fertilizer for discoloration of Nori. Laboratory experiments about the color recovery of Nori using anaerobic digestate demonstrated that the value of L* (brightness) decreased and became closer to black, and the value of a* (photosynthesis pigments) increased, indicating that anaerobic digestate worked properly as a source of nitrogen (NH₄-N), and was effective in the improvement of discoloration of Nori. Furthermore, there are no significant differences of the heavy metal content between in the cultivated Nori and natural Nori, suggesting further development of digestate as fertilizer of Nori.