<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="BC-438" name="Tidal Forest/Woodland" parent="BC-397" scope="Biotic Subclass: Estuarine or tidal riverine areas with greater than 10% tree cover. This cutoff value is the standard employed by FGDC-STD-005-2008 for defining the Forest and Woodland Formation Class [FGDC 2008]."/><bt><term thcode="62" code="BC-397" name="Forested Wetland" parent="BC-389" scope="Biotic Class: Areas in this class are characterized by woody vegetation that is generally 6 meters or taller. ..."/><term thcode="62" code="BC-389" name="Benthic/Attached Biota" parent="BC-C002" scope="Biotic Setting: This biotic setting describes areas where biota lives on, in, or in close association with the seafloor or other substrates (e.g., pilings, buoys), extending down into the sediment to include the sub-surface layers of substrate that contain multi-cellular life. ..."/><term thcode="62" code="BC-C002" name="Biotic" 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><nt><term thcode="62" code="BC-578" name="Brackish Tidal Forest/Woodland" parent="BC-438" scope="Biotic Group: Tidal areas dominated by tree species that are greater than 6 meters tall and have a range of salt tolerance. Salinities may range from 0.5-30."/><term thcode="62" code="BC-579" name="Freshwater Tidal Forest/Woodland" parent="BC-438" scope="Biotic Group: Tidal riverine areas dominated by salt-intolerant tree species that are greater than 6 meters tall. The list of Biotic Communities for this group is long: a few examples are provided below, and the complete list is available in Appendix F."/><term thcode="62" code="BC-580" name="Saltwater Tidal Forest/Woodland" parent="BC-438" scope="Biotic Group: Tidal areas dominated by halophytic tree species that are greater than 6 meters tall."/><term thcode="62" code="BC-581" name="Tidal Mangrove Forest" parent="BC-438" scope="Biotic Group: Tidally influenced, dense, tropical or subtropical forest with a shore zone dominated by true mangroves (and associates) that generally are 6 meters or taller (Figure 8.17). ..."/></nt></descriptor>