{"thcode":61,"term":{"code":43,"name":"resource extraction","parent":32,"scope":"activities that remove earth materials from the coastal zone, such as the mining of aggregates from beaches or the shallow sea floor."},"uf":[],"bt":[{"code":32,"name":"anthropogenic agents of coastal change","parent":3,"scope":"human activities that cause changes in coastal processes, landscapes, and ecosystems."},{"code":3,"name":"agents of coastal change","parent":2,"scope":"natural phenomena and human activities that cause changes in coastal processes, landscapes, and ecosystems."},{"code":2,"name":"coastal change hazards topics","parent":1,"scope":null},{"code":1,"name":"Marine Realms Information Bank (MRIB) keyword categories","parent":null,"scope":null}],"nt":[],"rt":[]}