{
  "annotation_id": "cb95eb0e-90ba-4f5c-b129-70da0baecf65",
  "date_created": "2026-03-02T18:01:35.809000Z",
  "date_modified": "2026-03-02T18:01:35.809000Z",
  "file_hash": "9d69da3fa1c4ce8d6eafc9d6312a97f36751823c903eb535b7a92d9628c8c1a2",
  "private": false,
  "record": {
    "abstract": "The phase diagrams survival-extinction for the Penna model with parameters:\n(mutations rate)-(birth rate), (mutation rate)-(harmful mutations threshold),\n(harmful mutation threshold)-(minimal reproduction age) are presented. The\nextinction phase may be caused by either mutational meltdown or overpopulation.\nWhen the Verhulst factor is responsible for removing only newly born babies and\ndoes not act on adults the overpopulation is avoided and only genetic factors\nmay lead to species extinction.",
    "arxiv_id": "q-bio/0607045",
    "authors": [
      "K. Malarz"
    ],
    "categories": [
      "q-bio.PE"
    ],
    "doi": "10.1016/j.thbio.2006.08.001",
    "journal_ref": "Theory Biosci. 125 (2007) 147",
    "title": "The risk of extinction - the mutational meltdown or the overpopulation",
    "url": "https://arxiv.org/abs/q-bio/0607045"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "4df5a8f8-ac67-42fe-9adf-874be1d98eaf",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}