{"thcode":61,"term":{"code":384,"name":"shipping channels","parent":383,"scope":"designated routes in oceans, seas, bays, lakes, rivers, and canals for the movement of cargo by ships; includes topics related to the maintenance and environmental impacts of shipping channels."},"uf":[],"bt":[{"code":383,"name":"transportation resources","parent":359,"scope":"used for commercial and recreational transportation in ocean and coastal environments; includes topics related to the socioeconomics, regulation, and environmental impacts of transportation activities."},{"code":359,"name":"resources","parent":268,"scope":"used for natural resources exploited by humans."},{"code":268,"name":"hot topics","parent":1,"scope":null},{"code":1,"name":"Marine Realms Information Bank (MRIB) keyword categories","parent":null,"scope":null}],"nt":[],"rt":[]}