ABSTRACT : The marine debris have been increasingly recognized in the recent years as one of detrimental factors to global environments. To ensure the future sustainability of unharmed coastal areas, it is, therefore, urgently indispensable to intensify a diversity of its marine cleanup activities. Then, as a small step, we tried to visualize the effects of their motivation from community awareness with which they willingly participate in cleaning up coastal areas, by adopting a Web-based questionnaire survey sent to 3000 individual community residents in Japan. The Factor Analysis conducted in the study showed the degree of community awareness that includes three factors, such as “attachment and solidarity,” “self-determination,” and “dependence on others.” In consequence, the group with higher scores for “attachment and solidarity” had higher motivation toward cleaning up coastal areas. On the other hand, the other group with lower scores all for “attachment and solidarity,” “self- determination,” and “dependence on others” had lower motivation. The study suggests that the factor, “attachment and solidarity” plays the most important role from among these three in enhancing people’s motivation to participate in the cleanup of coastal areas.

ABSTRACT : According to the 5th IPCC Assessment Report, the global average sea level is expected to rise because of the global warming effect. For the high-level warming scenario, the average sea level is expected to rise by 0.82 m. The maximum altitude in the Majuro atoll is approximately 6 m. Consequently, coastal erosion will be accelerated by the rise in sea level. Atoll islands are made of corals and the outer shell of foraminifera. This study aims to investigate the distribution pattern and ecology of the foraminifera in the Majuro atoll, Marshall Islands. We conducted a field investigation in September 2018 using an unmanned aerial vehicle (UAV), since UAVs are suitable for high-resolution photography. The results of this field investigation showed the characteristic topography (i.e., pool on the reef and channel), allowing us to locate any possible habitat map generation.