{
  "schema_version": "namibia-modern-pollen-vegetation-source-join.v1",
  "status": "source_rows_joined",
  "source": {
    "citation": "Tabares et al. (2021), PANGAEA dataset series 10.1594/PANGAEA.931037",
    "rights": "CC BY 4.0; cite both source datasets and parent series",
    "pollen": {
      "doi": "10.1594/PANGAEA.931033",
      "sha256": "73c62c335a227283c27a224304b52fd21d1c674f95551d58a2e42dffa325a2e1"
    },
    "vegetation": {
      "doi": "10.1594/PANGAEA.931035",
      "sha256": "b2460910d5f72e234fef50a24c4ade08e57ab714bf482ba4afb3b4ed8e7b4f2a"
    }
  },
  "join": {
    "event_count": 10,
    "pollen_row_count": 10,
    "vegetation_row_count": 150,
    "site_radius_pair_count": 150,
    "taxon_pair_count": 750,
    "taxa": [
      "Acacia",
      "Dichrostachys",
      "Grewia",
      "Poaceae",
      "Combretaceae"
    ],
    "radius_values_m": [
      100,
      200,
      300,
      400,
      500,
      600,
      700,
      800,
      900,
      1000,
      1100,
      1200,
      1300,
      1400,
      1500
    ],
    "radius_100m_site_count": 10,
    "radius_100m_taxon_pair_count": 50,
    "five_taxon_pollen_mass_once_per_site": 6894,
    "coordinates": "exact match at displayed four-decimal source precision",
    "denominators": "five listed taxa only; neither total terrestrial pollen nor total vegetation cover",
    "paired_csv_sha256": "0ab77a3a9f74e0d91c9613ba84b37bc029b07d275a1816f37fffa75db8e1011d"
  },
  "interpretation": "Source-row pairing for an out-of-domain modern soil-pollen development cohort; no model fit, score, Nordic vegetation validation, or selected pollen-source radius.",
  "temporal_support": "Exact soil-sampling and satellite-image dates are not stated in these source tables.",
  "ring_semantics": "Publisher labels radius in 100 m steps; paired rows preserve that label without reinterpreting ring area or selecting an ecological source radius."
}