{"id":"S2003009059","label":"Keystone species","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2003009059","normalized_label":"keystone species","broader":["http://id.loc.gov/authorities/subjects/sh85126387"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2003009059","provider":"lcsh","revision":"3c857220d835cbdc","taxonomy_revision":"f050b5d4780b1289","title":"Keystone species","url":"/topics/S2003009059","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13835282383139922434","address_version":"morton4x16-v1","coordinates":[0,477,36344,35840],"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}