<descriptor thcode="62"><thesaurus thcode="62" name="Coastal and Marine Ecological Classification Standard" scope="Categories of ecosystems for coastal, estuarine, and marine environments." creator="FGDC" rights="public domain" date="2017-05-10" codetype="alpha" prefix="cmecs" uri="https://www2.usgs.gov/science/CMECS" tblname="cmecs" root_code="root" contact="pschweitzer"><category><term thcode="25" code="16" name="hierarchical" parent="11" scope="Substantive broader-narrower relationships exist among the terms."/><term thcode="25" code="16" name="hierarchical" parent="11" scope="Substantive broader-narrower relationships exist among the terms."/></category><altlabel><altlabel>CMECS</altlabel><altlabel>CMECS</altlabel><altlabel>Coastal and Marine Ecological Classification Standard (CMECS)</altlabel><altlabel>Coastal and Marine Ecological Classification Standard (CMECS)</altlabel></altlabel></thesaurus><term thcode="62" code="SC-373" name="Anthropogenic Wood Reef Substrate" parent="SC-364" scope="Substrate Subclass: Substrate that is dominated by Anthropogenic Wood with a median particle size of 4,096 millimeters or greater in any dimension."/><bt><term thcode="62" code="SC-364" name="Anthropogenic Wood" parent="SC-362" scope="Substrate Class: Anthropogenic Substrate that is primarily composed of woody materials that were processed or assembled by humans. Shape for this substrate class is covered in the GC (e.g., Jetty, Dolphin, Pilings, and Wreck)."/><term thcode="62" code="SC-362" name="Anthropogenic Substrate" parent="SC-C003" scope="Substrate Origin: Substrates where percent cover of Anthropogenic Substrate exceeds percent cover of both Geologic Substrate and Biogenic Substrates, considered separately. ..."/><term thcode="62" code="SC-C003" name="Substrate" parent="root"/><term thcode="62" code="root" name="CMECS" 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."/></bt></descriptor>