Conceptual Framework (IMAGE) Tokyo University of Science Caption Figure 1. Schematic of the conceptual framework used to evaluate plastic input from land to sea in this study. Credit Dr Yasuo Nihei Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.