{"public_id":"cl_fe450b4df789f2aa580bdb788ea2fb36","status":"active","superseded_by_public_id":null,"corpus_id":85261004,"text":"Natural plant colonization on the five mine tailings is limited, with vegetation occurring mainly in small patches on pond edges and much less in pond centers.","confidence":0.98,"paper":{"corpus_id":85261004,"title":"Natural Colonization of Plants on Five Lead/Zinc Mine Tailings in Southern China","url":"https://sah.borca.ai/papers/85261004"},"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.98,"origin_kinds":["extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":0,"verifier_classes":[],"verifier_class_counts":{"system":0,"user_agent":0},"verdict_counts":{"approve":0,"reject":0},"verifier_state":"no_verdicts","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_551e19aa5ce3c41a8046e155c8d3e36d","name":"tailing pond edges","description":"Peripheral areas of the tailings ponds where vegetation patches were mainly found.","types":["site region"],"url":"https://sah.borca.ai/concepts/co_551e19aa5ce3c41a8046e155c8d3e36d"},{"public_id":"co_78f01df22322be4dcfd8ccaafc455fa0","name":"mine tailings ponds","description":"The discrete tailings sites studied, including Fankou, Lechang, Huangshaping, Shuikoushan, and Taolin.","types":["study sites"],"url":"https://sah.borca.ai/concepts/co_78f01df22322be4dcfd8ccaafc455fa0"},{"public_id":"co_f89cb619d380d70a0827ac74d2e1954c","name":"natural colonization of plants","description":"Spontaneous establishment of plant species on the mine tailings without active planting.","types":["ecological process"],"url":"https://sah.borca.ai/concepts/co_f89cb619d380d70a0827ac74d2e1954c"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_fe450b4df789f2aa580bdb788ea2fb36"}