{"id":"S92003902","label":"Hybrid zones","description":"Here are entered works on geographic regions in which two populations previously separated by a natural geographic feature interbreed once the geographic separation no longer exists.","source_url":"https://id.loc.gov/authorities/subjects/sh92003902","normalized_label":"hybrid zones","broader":["http://id.loc.gov/authorities/subjects/sh85076851"],"aliases":["Intergrade zones"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh92003902","provider":"lcsh","revision":"7f939ddcafc70576","taxonomy_revision":"f050b5d4780b1289","title":"Hybrid zones","url":"/topics/S92003902","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14756259975487963650","address_version":"morton4x16-v1","coordinates":[0,21,61304,63488],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}