{"thcode":62,"term":{"code":"SC-286","name":"Slightly Gravelly Mud","parent":"SC-278","scope":"Substrate Subgroup: Geologic Substrate is 0.01% to < 5% Gravel, and the remaining Sand-Mud mix is 90% or more Mud."},"uf":[],"bt":[{"code":"SC-278","name":"Slightly Gravelly","parent":"SC-277","scope":"Substrate Group: Geologic Substrate surface layer contains from a trace (0.01%) of Gravel to 5% Gravel (particles 2 millimeters to < 4,096 millimeters in diameter). ..."},{"code":"SC-277","name":"Fine Unconsolidated Substrate","parent":"SC-029","scope":"Substrate Subclass: Geologic Substrate surface layer contains less than 5% gravel (particles 2 millimeters to < 4,096 millimeters in diameter). ..."},{"code":"SC-029","name":"Unconsolidated Mineral Substrate","parent":"SC-025","scope":"Substrate Class: Geologic Substrates with less than 50% cover of Rock Substrate. ..."},{"code":"SC-025","name":"Geologic Substrate","parent":"SC-C003","scope":"Substrate Origin: Benthic substrates where percent cover of Rock and Unconsolidated Mineral Substrate exceeds percent cover of both Biogenic and Anthropogenic Substrates, considered separately. ..."},{"code":"SC-C003","name":"Substrate","parent":"root","scope":null},{"code":"root","name":"CMECS","parent":null,"scope":"Coastal and Marine Ecological Classification Standard: Category terms encompassing waters from the head of tide or inland incursion of ocean salinity to the splash zone of the coasts to the deepest portions of the oceans and the deep waters of the Great Lakes."}],"nt":[],"rt":[]}