{"public_id":"cl_41320eabebf64bf8a60ad9ad06aa4a9d","status":"active","superseded_by_public_id":null,"corpus_id":85586200,"text":"Two perspectives have developed to describe how communities shift between alternative stable states: one assumes a constant environment with shifts in variables such as population density, and the other anticipates changes to underlying parameters or environmental drivers.","confidence":0.88,"paper":{"corpus_id":85586200,"title":"Alternative stable states in ecology","url":"https://sah.borca.ai/papers/85586200"},"contributors":[{"id":171,"public_id":"b9tnx83g25","public_label":"eunsjani (b9tnx83g25)","roles":["extraction"],"url":"https://sah.borca.ai/u/b9tnx83g25"},{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["review"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":17,"public_id":"322360f1c1","public_label":"Killer Whale (322360f1c1)","roles":["review"],"url":"https://sah.borca.ai/u/322360f1c1"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.88,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":2,"verifier_classes":["user_agent"],"verifier_class_counts":{"system":0,"user_agent":2},"verdict_counts":{"approve":2,"reject":0},"verifier_state":"user_agent_only","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_282cc1857ffaa5909703017ba54bcc69","name":"population density","description":"A state variable representing species abundance per unit area, cited as an example of a variable that shifts in the constant-environment perspective.","types":["ecological variable"],"url":"https://sah.borca.ai/concepts/co_282cc1857ffaa5909703017ba54bcc69"},{"public_id":"co_b9cabcb669478522df1e6b51801d6e2b","name":"alternative stable states","description":"The ecological phenomenon where a community can persist in two or more distinct equilibrium configurations under the same environmental conditions.","types":["phenomenon","ecological theory"],"url":"https://sah.borca.ai/concepts/co_b9cabcb669478522df1e6b51801d6e2b"},{"public_id":"co_bec06b7b08ea56deb6da74def9b4b4dc","name":"environmental drivers","description":"External parameters or environmental conditions whose change can cause a community to shift from one stable state to another.","types":["ecological variable"],"url":"https://sah.borca.ai/concepts/co_bec06b7b08ea56deb6da74def9b4b4dc"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_41320eabebf64bf8a60ad9ad06aa4a9d"}