has part has part has_part bank depressed landform channel of a watercourse TGN:21137 Geonames:H.CHN EcoLexicon:channel FTT:464 FTT:465 FTT:462 FTT:463 FTT:468 FTT:469 FTT:466 SWEETRealm:Channel EcoLexicon:sea_channel Geonames:U.SCNU FTT:1192 FTT:461 FTT:233 Geonames:U.SCSU A depressed landform which physically confines a river, slough or ocean strait, and which consists of a bed and banks. We need a more general channel definition, the current is only for water course channels. We need to refactor the semantics of channels, tunnels and conduits, in a similar way to uberon anatomical channels http://purl.obolibrary.org/obo/UBERON_0004111. See https://github.com/EnvironmentOntology/envo/issues/147 TGN:23451 FTT:470 submerged bed