Marine debris Environmental aspects Marine debris Cleanup Marine debris Marine pollution Marine resources Effect of human beings on Environmental impact analysis Government policy Environmental monitoring Government policy Marine debris Remote sensing Fisheries Equipment and supplies Environmental aspects Marine debris Cleanup Government policy Marine debris Monitoring Government policy Marine resources conservation Environmental impact analysis Marine debris Cleanup Citizen participation Marine debris Monitoring Tohoku Earthquake and Tsunami, Japan, 2011 Environmental aspects Appropriations and expenditures Aquaculture industry Benthos Effect of pollution on Coastal animals Effect of pollution on Coastal ecosystem health Derelicts Environmental monitoring Fisheries Equipment and supplies Economic aspects Fisheries Waste disposal Environmental aspects Fishing lines Recycling Fukushima Nuclear Disaster, Japan, 2011 Environmental aspects Introduced aquatic organisms Dispersal Introduced aquatic organisms Effect of pollution on Marine animals Study and teaching (Elementary)