{"thcode":61,"term":{"code":311,"name":"dredging","parent":308,"scope":"the effects of dredging -- usually to improve navigation channels or extract aggregates -- on the natural sedimentary environments."},"uf":[],"bt":[{"code":308,"name":"sedimentary environments","parent":269,"scope":"the behavior and properties of sediment as they relate to natural environments."},{"code":269,"name":"environment","parent":268,"scope":"used for issues related to the interactions of humans or other organisms with their physical and biological surroundings."},{"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":[{"code":39,"name":"dredge spoils disposal","parent":38,"scope":"includes all processes for relocating material excavated during dredging."}]}