{
  "schema_version": "namibia-five-taxon-radius-sensitivity.v1",
  "question": "How does five-taxon pollen-to-vegetation composition distance vary across the publisher's radius labels at the same ten sites?",
  "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"
    }
  },
  "input": {
    "joined_source_sha256": "0ab77a3a9f74e0d91c9613ba84b37bc029b07d275a1816f37fffa75db8e1011d",
    "site_distances_sha256": "393539f06d6771c8249704d4258ca746605b8e127c26b660cb98ee6430a59b74",
    "pollen_event_count": 10,
    "vegetation_site_radius_count": 150,
    "five_taxon_pair_count": 750
  },
  "metric": {
    "name": "Hellinger composition distance",
    "formula": "sqrt(sum((sqrt(p_i)-sqrt(v_i))^2 for five taxa)/2)",
    "p_i": "pollen count for taxon i divided by the five named pollen counts at one site",
    "v_i": "calculated vegetation area for taxon i divided by the five named areas at one site and publisher radius label",
    "range": [
      0,
      1
    ],
    "interpretation": "descriptive conditional-composition mismatch; not a prediction or model score"
  },
  "radius_summary": [
    {
      "ring_sector_radius_m": 100,
      "independent_site_count": 10,
      "mean_hellinger_distance": 0.36636009965,
      "median_hellinger_distance": 0.341201082075,
      "minimum_hellinger_distance": 0.197287732007,
      "maximum_hellinger_distance": 0.593663125115
    },
    {
      "ring_sector_radius_m": 200,
      "independent_site_count": 10,
      "mean_hellinger_distance": 0.354206264,
      "median_hellinger_distance": 0.335834349155,
      "minimum_hellinger_distance": 0.183044741284,
      "maximum_hellinger_distance": 0.534688024181
    },
    {
      "ring_sector_radius_m": 300,
      "independent_site_count": 10,
      "mean_hellinger_distance": 0.347772869562,
      "median_hellinger_distance": 0.337762105675,
      "minimum_hellinger_distance": 0.190490998695,
      "maximum_hellinger_distance": 0.538720182312
    },
    {
      "ring_sector_radius_m": 400,
      "independent_site_count": 10,
      "mean_hellinger_distance": 0.342668440403,
      "median_hellinger_distance": 0.328127340157,
      "minimum_hellinger_distance": 0.191168343755,
      "maximum_hellinger_distance": 0.505789743526
    },
    {
      "ring_sector_radius_m": 500,
      "independent_site_count": 10,
      "mean_hellinger_distance": 0.352528675804,
      "median_hellinger_distance": 0.326355395104,
      "minimum_hellinger_distance": 0.191784598398,
      "maximum_hellinger_distance": 0.545679113522
    },
    {
      "ring_sector_radius_m": 600,
      "independent_site_count": 10,
      "mean_hellinger_distance": 0.348649145958,
      "median_hellinger_distance": 0.33045542552,
      "minimum_hellinger_distance": 0.202348576459,
      "maximum_hellinger_distance": 0.545256808392
    },
    {
      "ring_sector_radius_m": 700,
      "independent_site_count": 10,
      "mean_hellinger_distance": 0.34883272361,
      "median_hellinger_distance": 0.331595443036,
      "minimum_hellinger_distance": 0.192447539194,
      "maximum_hellinger_distance": 0.547855907842
    },
    {
      "ring_sector_radius_m": 800,
      "independent_site_count": 10,
      "mean_hellinger_distance": 0.346538019816,
      "median_hellinger_distance": 0.327738971478,
      "minimum_hellinger_distance": 0.191119650606,
      "maximum_hellinger_distance": 0.535991609534
    },
    {
      "ring_sector_radius_m": 900,
      "independent_site_count": 10,
      "mean_hellinger_distance": 0.348465702026,
      "median_hellinger_distance": 0.325440769892,
      "minimum_hellinger_distance": 0.190889716411,
      "maximum_hellinger_distance": 0.529429754784
    },
    {
      "ring_sector_radius_m": 1000,
      "independent_site_count": 10,
      "mean_hellinger_distance": 0.355874753251,
      "median_hellinger_distance": 0.330316821717,
      "minimum_hellinger_distance": 0.193554178032,
      "maximum_hellinger_distance": 0.531685812234
    },
    {
      "ring_sector_radius_m": 1100,
      "independent_site_count": 10,
      "mean_hellinger_distance": 0.36145342192,
      "median_hellinger_distance": 0.329685996353,
      "minimum_hellinger_distance": 0.193155207695,
      "maximum_hellinger_distance": 0.529233377327
    },
    {
      "ring_sector_radius_m": 1200,
      "independent_site_count": 10,
      "mean_hellinger_distance": 0.370170010096,
      "median_hellinger_distance": 0.333228224113,
      "minimum_hellinger_distance": 0.192674959765,
      "maximum_hellinger_distance": 0.539954580833
    },
    {
      "ring_sector_radius_m": 1300,
      "independent_site_count": 10,
      "mean_hellinger_distance": 0.376854779956,
      "median_hellinger_distance": 0.350039208862,
      "minimum_hellinger_distance": 0.191282180787,
      "maximum_hellinger_distance": 0.533461489007
    },
    {
      "ring_sector_radius_m": 1400,
      "independent_site_count": 10,
      "mean_hellinger_distance": 0.377683640842,
      "median_hellinger_distance": 0.359322899816,
      "minimum_hellinger_distance": 0.191931127672,
      "maximum_hellinger_distance": 0.517746032499
    },
    {
      "ring_sector_radius_m": 1500,
      "independent_site_count": 10,
      "mean_hellinger_distance": 0.377735630763,
      "median_hellinger_distance": 0.368624577972,
      "minimum_hellinger_distance": 0.190687991953,
      "maximum_hellinger_distance": 0.519614440956
    }
  ],
  "ring_geometry": {
    "source_description_url": "https://doi.pangaea.de/10.1594/PANGAEA.931037",
    "publisher_description": "Mean cover of the studied taxa was calculated by 100 m rings.",
    "adjacent_site_taxon_comparisons": 700,
    "adjacent_area_decreases": 9,
    "site_taxon_series_with_decrease": 8,
    "full_annulus_width_m": 100,
    "full_annulus_area_formula": "pi * (outer_radius_m^2 - (outer_radius_m - 100)^2)",
    "full_annulus_ratio_interpretation": "The publisher radius label is assumed to be the outer radius of a hypothetical complete circular 100 m annulus. The five listed vegetation areas are divided by that full-annulus area. This is a geometric diagnostic, not measured whole-cover fraction or proof of the publisher's exact ring-sector mask.",
    "full_annulus_ratios": [
      {
        "event": "Namibia_T1",
        "ring_sector_radius_m": 100,
        "five_taxon_area_to_full_annulus_ratio": 0.835747969839
      },
      {
        "event": "Namibia_T1",
        "ring_sector_radius_m": 200,
        "five_taxon_area_to_full_annulus_ratio": 0.847602325227
      },
      {
        "event": "Namibia_T1",
        "ring_sector_radius_m": 300,
        "five_taxon_area_to_full_annulus_ratio": 0.848152941068
      },
      {
        "event": "Namibia_T1",
        "ring_sector_radius_m": 400,
        "five_taxon_area_to_full_annulus_ratio": 0.821713967411
      },
      {
        "event": "Namibia_T1",
        "ring_sector_radius_m": 500,
        "five_taxon_area_to_full_annulus_ratio": 0.853038861573
      },
      {
        "event": "Namibia_T1",
        "ring_sector_radius_m": 600,
        "five_taxon_area_to_full_annulus_ratio": 0.859428120466
      },
      {
        "event": "Namibia_T1",
        "ring_sector_radius_m": 700,
        "five_taxon_area_to_full_annulus_ratio": 0.867790222911
      },
      {
        "event": "Namibia_T1",
        "ring_sector_radius_m": 800,
        "five_taxon_area_to_full_annulus_ratio": 0.870255268754
      },
      {
        "event": "Namibia_T1",
        "ring_sector_radius_m": 900,
        "five_taxon_area_to_full_annulus_ratio": 0.871959837965
      },
      {
        "event": "Namibia_T1",
        "ring_sector_radius_m": 1000,
        "five_taxon_area_to_full_annulus_ratio": 0.868104341562
      },
      {
        "event": "Namibia_T1",
        "ring_sector_radius_m": 1100,
        "five_taxon_area_to_full_annulus_ratio": 0.856306443037
      },
      {
        "event": "Namibia_T1",
        "ring_sector_radius_m": 1200,
        "five_taxon_area_to_full_annulus_ratio": 0.854374901636
      },
      {
        "event": "Namibia_T1",
        "ring_sector_radius_m": 1300,
        "five_taxon_area_to_full_annulus_ratio": 0.850302380835
      },
      {
        "event": "Namibia_T1",
        "ring_sector_radius_m": 1400,
        "five_taxon_area_to_full_annulus_ratio": 0.849047086164
      },
      {
        "event": "Namibia_T1",
        "ring_sector_radius_m": 1500,
        "five_taxon_area_to_full_annulus_ratio": 0.859078607531
      },
      {
        "event": "Namibia_T10",
        "ring_sector_radius_m": 100,
        "five_taxon_area_to_full_annulus_ratio": 0.918415822565
      },
      {
        "event": "Namibia_T10",
        "ring_sector_radius_m": 200,
        "five_taxon_area_to_full_annulus_ratio": 0.923230063352
      },
      {
        "event": "Namibia_T10",
        "ring_sector_radius_m": 300,
        "five_taxon_area_to_full_annulus_ratio": 0.912657074438
      },
      {
        "event": "Namibia_T10",
        "ring_sector_radius_m": 400,
        "five_taxon_area_to_full_annulus_ratio": 0.906975469429
      },
      {
        "event": "Namibia_T10",
        "ring_sector_radius_m": 500,
        "five_taxon_area_to_full_annulus_ratio": 0.911542836743
      },
      {
        "event": "Namibia_T10",
        "ring_sector_radius_m": 600,
        "five_taxon_area_to_full_annulus_ratio": 0.890726025176
      },
      {
        "event": "Namibia_T10",
        "ring_sector_radius_m": 700,
        "five_taxon_area_to_full_annulus_ratio": 0.910354884077
      },
      {
        "event": "Namibia_T10",
        "ring_sector_radius_m": 800,
        "five_taxon_area_to_full_annulus_ratio": 0.912426379146
      },
      {
        "event": "Namibia_T10",
        "ring_sector_radius_m": 900,
        "five_taxon_area_to_full_annulus_ratio": 0.907842410003
      },
      {
        "event": "Namibia_T10",
        "ring_sector_radius_m": 1000,
        "five_taxon_area_to_full_annulus_ratio": 0.911236323781
      },
      {
        "event": "Namibia_T10",
        "ring_sector_radius_m": 1100,
        "five_taxon_area_to_full_annulus_ratio": 0.919049644555
      },
      {
        "event": "Namibia_T10",
        "ring_sector_radius_m": 1200,
        "five_taxon_area_to_full_annulus_ratio": 0.921203996918
      },
      {
        "event": "Namibia_T10",
        "ring_sector_radius_m": 1300,
        "five_taxon_area_to_full_annulus_ratio": 0.925008492963
      },
      {
        "event": "Namibia_T10",
        "ring_sector_radius_m": 1400,
        "five_taxon_area_to_full_annulus_ratio": 0.931684876573
      },
      {
        "event": "Namibia_T10",
        "ring_sector_radius_m": 1500,
        "five_taxon_area_to_full_annulus_ratio": 0.935341097064
      },
      {
        "event": "Namibia_T2",
        "ring_sector_radius_m": 100,
        "five_taxon_area_to_full_annulus_ratio": 0.750437079742
      },
      {
        "event": "Namibia_T2",
        "ring_sector_radius_m": 200,
        "five_taxon_area_to_full_annulus_ratio": 0.748409017046
      },
      {
        "event": "Namibia_T2",
        "ring_sector_radius_m": 300,
        "five_taxon_area_to_full_annulus_ratio": 0.71493755067
      },
      {
        "event": "Namibia_T2",
        "ring_sector_radius_m": 400,
        "five_taxon_area_to_full_annulus_ratio": 0.720272700168
      },
      {
        "event": "Namibia_T2",
        "ring_sector_radius_m": 500,
        "five_taxon_area_to_full_annulus_ratio": 0.729820454123
      },
      {
        "event": "Namibia_T2",
        "ring_sector_radius_m": 600,
        "five_taxon_area_to_full_annulus_ratio": 0.741824050142
      },
      {
        "event": "Namibia_T2",
        "ring_sector_radius_m": 700,
        "five_taxon_area_to_full_annulus_ratio": 0.750147460593
      },
      {
        "event": "Namibia_T2",
        "ring_sector_radius_m": 800,
        "five_taxon_area_to_full_annulus_ratio": 0.751415776995
      },
      {
        "event": "Namibia_T2",
        "ring_sector_radius_m": 900,
        "five_taxon_area_to_full_annulus_ratio": 0.753238999877
      },
      {
        "event": "Namibia_T2",
        "ring_sector_radius_m": 1000,
        "five_taxon_area_to_full_annulus_ratio": 0.753059031123
      },
      {
        "event": "Namibia_T2",
        "ring_sector_radius_m": 1100,
        "five_taxon_area_to_full_annulus_ratio": 0.747212894188
      },
      {
        "event": "Namibia_T2",
        "ring_sector_radius_m": 1200,
        "five_taxon_area_to_full_annulus_ratio": 0.74788290659
      },
      {
        "event": "Namibia_T2",
        "ring_sector_radius_m": 1300,
        "five_taxon_area_to_full_annulus_ratio": 0.738913985474
      },
      {
        "event": "Namibia_T2",
        "ring_sector_radius_m": 1400,
        "five_taxon_area_to_full_annulus_ratio": 0.741869744175
      },
      {
        "event": "Namibia_T2",
        "ring_sector_radius_m": 1500,
        "five_taxon_area_to_full_annulus_ratio": 0.742042411171
      },
      {
        "event": "Namibia_T3",
        "ring_sector_radius_m": 100,
        "five_taxon_area_to_full_annulus_ratio": 0.777689088497
      },
      {
        "event": "Namibia_T3",
        "ring_sector_radius_m": 200,
        "five_taxon_area_to_full_annulus_ratio": 0.763598787999
      },
      {
        "event": "Namibia_T3",
        "ring_sector_radius_m": 300,
        "five_taxon_area_to_full_annulus_ratio": 0.763052422153
      },
      {
        "event": "Namibia_T3",
        "ring_sector_radius_m": 400,
        "five_taxon_area_to_full_annulus_ratio": 0.762543359876
      },
      {
        "event": "Namibia_T3",
        "ring_sector_radius_m": 500,
        "five_taxon_area_to_full_annulus_ratio": 0.762860439959
      },
      {
        "event": "Namibia_T3",
        "ring_sector_radius_m": 600,
        "five_taxon_area_to_full_annulus_ratio": 0.758652548965
      },
      {
        "event": "Namibia_T3",
        "ring_sector_radius_m": 700,
        "five_taxon_area_to_full_annulus_ratio": 0.765732463517
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      {
        "event": "Namibia_T3",
        "ring_sector_radius_m": 800,
        "five_taxon_area_to_full_annulus_ratio": 0.780034157346
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      {
        "event": "Namibia_T3",
        "ring_sector_radius_m": 900,
        "five_taxon_area_to_full_annulus_ratio": 0.775936059948
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      {
        "event": "Namibia_T3",
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        "five_taxon_area_to_full_annulus_ratio": 0.783215794259
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      {
        "event": "Namibia_T3",
        "ring_sector_radius_m": 1100,
        "five_taxon_area_to_full_annulus_ratio": 0.791735219401
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      {
        "event": "Namibia_T3",
        "ring_sector_radius_m": 1200,
        "five_taxon_area_to_full_annulus_ratio": 0.802400089147
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        "event": "Namibia_T3",
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        "five_taxon_area_to_full_annulus_ratio": 0.808231231499
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        "event": "Namibia_T3",
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        "five_taxon_area_to_full_annulus_ratio": 0.809694924083
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      {
        "event": "Namibia_T3",
        "ring_sector_radius_m": 1500,
        "five_taxon_area_to_full_annulus_ratio": 0.796955699436
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      {
        "event": "Namibia_T4",
        "ring_sector_radius_m": 100,
        "five_taxon_area_to_full_annulus_ratio": 0.646210705124
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      {
        "event": "Namibia_T4",
        "ring_sector_radius_m": 200,
        "five_taxon_area_to_full_annulus_ratio": 0.672574249047
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      {
        "event": "Namibia_T4",
        "ring_sector_radius_m": 300,
        "five_taxon_area_to_full_annulus_ratio": 0.677086942717
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      {
        "event": "Namibia_T4",
        "ring_sector_radius_m": 400,
        "five_taxon_area_to_full_annulus_ratio": 0.684374895621
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        "event": "Namibia_T4",
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        "five_taxon_area_to_full_annulus_ratio": 0.692004613178
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        "event": "Namibia_T4",
        "ring_sector_radius_m": 600,
        "five_taxon_area_to_full_annulus_ratio": 0.698935798712
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      {
        "event": "Namibia_T4",
        "ring_sector_radius_m": 700,
        "five_taxon_area_to_full_annulus_ratio": 0.705676100163
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      {
        "event": "Namibia_T4",
        "ring_sector_radius_m": 800,
        "five_taxon_area_to_full_annulus_ratio": 0.701241463885
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      {
        "event": "Namibia_T4",
        "ring_sector_radius_m": 900,
        "five_taxon_area_to_full_annulus_ratio": 0.688552361004
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      {
        "event": "Namibia_T4",
        "ring_sector_radius_m": 1000,
        "five_taxon_area_to_full_annulus_ratio": 0.683915881619
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      {
        "event": "Namibia_T4",
        "ring_sector_radius_m": 1100,
        "five_taxon_area_to_full_annulus_ratio": 0.69017722375
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      {
        "event": "Namibia_T4",
        "ring_sector_radius_m": 1200,
        "five_taxon_area_to_full_annulus_ratio": 0.677826969623
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      {
        "event": "Namibia_T4",
        "ring_sector_radius_m": 1300,
        "five_taxon_area_to_full_annulus_ratio": 0.675551023719
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      {
        "event": "Namibia_T4",
        "ring_sector_radius_m": 1400,
        "five_taxon_area_to_full_annulus_ratio": 0.676124272361
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      {
        "event": "Namibia_T4",
        "ring_sector_radius_m": 1500,
        "five_taxon_area_to_full_annulus_ratio": 0.67159115535
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      {
        "event": "Namibia_T5",
        "ring_sector_radius_m": 100,
        "five_taxon_area_to_full_annulus_ratio": 0.808039005598
      },
      {
        "event": "Namibia_T5",
        "ring_sector_radius_m": 200,
        "five_taxon_area_to_full_annulus_ratio": 0.823708132193
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      {
        "event": "Namibia_T5",
        "ring_sector_radius_m": 300,
        "five_taxon_area_to_full_annulus_ratio": 0.801328263473
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      {
        "event": "Namibia_T5",
        "ring_sector_radius_m": 400,
        "five_taxon_area_to_full_annulus_ratio": 0.825836705025
      },
      {
        "event": "Namibia_T5",
        "ring_sector_radius_m": 500,
        "five_taxon_area_to_full_annulus_ratio": 0.835296880217
      },
      {
        "event": "Namibia_T5",
        "ring_sector_radius_m": 600,
        "five_taxon_area_to_full_annulus_ratio": 0.847285779467
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      {
        "event": "Namibia_T5",
        "ring_sector_radius_m": 700,
        "five_taxon_area_to_full_annulus_ratio": 0.83705505724
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      {
        "event": "Namibia_T5",
        "ring_sector_radius_m": 800,
        "five_taxon_area_to_full_annulus_ratio": 0.831221899615
      },
      {
        "event": "Namibia_T5",
        "ring_sector_radius_m": 900,
        "five_taxon_area_to_full_annulus_ratio": 0.824443736386
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      {
        "event": "Namibia_T5",
        "ring_sector_radius_m": 1000,
        "five_taxon_area_to_full_annulus_ratio": 0.798475847719
      },
      {
        "event": "Namibia_T5",
        "ring_sector_radius_m": 1100,
        "five_taxon_area_to_full_annulus_ratio": 0.777572783988
      },
      {
        "event": "Namibia_T5",
        "ring_sector_radius_m": 1200,
        "five_taxon_area_to_full_annulus_ratio": 0.788396268978
      },
      {
        "event": "Namibia_T5",
        "ring_sector_radius_m": 1300,
        "five_taxon_area_to_full_annulus_ratio": 0.82995141379
      },
      {
        "event": "Namibia_T5",
        "ring_sector_radius_m": 1400,
        "five_taxon_area_to_full_annulus_ratio": 0.829604536797
      },
      {
        "event": "Namibia_T5",
        "ring_sector_radius_m": 1500,
        "five_taxon_area_to_full_annulus_ratio": 0.828139585076
      },
      {
        "event": "Namibia_T6",
        "ring_sector_radius_m": 100,
        "five_taxon_area_to_full_annulus_ratio": 0.86689343075
      },
      {
        "event": "Namibia_T6",
        "ring_sector_radius_m": 200,
        "five_taxon_area_to_full_annulus_ratio": 0.851233216007
      },
      {
        "event": "Namibia_T6",
        "ring_sector_radius_m": 300,
        "five_taxon_area_to_full_annulus_ratio": 0.865166420081
      },
      {
        "event": "Namibia_T6",
        "ring_sector_radius_m": 400,
        "five_taxon_area_to_full_annulus_ratio": 0.878242090376
      },
      {
        "event": "Namibia_T6",
        "ring_sector_radius_m": 500,
        "five_taxon_area_to_full_annulus_ratio": 0.888841837286
      },
      {
        "event": "Namibia_T6",
        "ring_sector_radius_m": 600,
        "five_taxon_area_to_full_annulus_ratio": 0.897456689357
      },
      {
        "event": "Namibia_T6",
        "ring_sector_radius_m": 700,
        "five_taxon_area_to_full_annulus_ratio": 0.889657342915
      },
      {
        "event": "Namibia_T6",
        "ring_sector_radius_m": 800,
        "five_taxon_area_to_full_annulus_ratio": 0.879187437793
      },
      {
        "event": "Namibia_T6",
        "ring_sector_radius_m": 900,
        "five_taxon_area_to_full_annulus_ratio": 0.861874820507
      },
      {
        "event": "Namibia_T6",
        "ring_sector_radius_m": 1000,
        "five_taxon_area_to_full_annulus_ratio": 0.847484839218
      },
      {
        "event": "Namibia_T6",
        "ring_sector_radius_m": 1100,
        "five_taxon_area_to_full_annulus_ratio": 0.842285501752
      },
      {
        "event": "Namibia_T6",
        "ring_sector_radius_m": 1200,
        "five_taxon_area_to_full_annulus_ratio": 0.838395019034
      },
      {
        "event": "Namibia_T6",
        "ring_sector_radius_m": 1300,
        "five_taxon_area_to_full_annulus_ratio": 0.834795439142
      },
      {
        "event": "Namibia_T6",
        "ring_sector_radius_m": 1400,
        "five_taxon_area_to_full_annulus_ratio": 0.843099689777
      },
      {
        "event": "Namibia_T6",
        "ring_sector_radius_m": 1500,
        "five_taxon_area_to_full_annulus_ratio": 0.839174892873
      },
      {
        "event": "Namibia_T7",
        "ring_sector_radius_m": 100,
        "five_taxon_area_to_full_annulus_ratio": 0.852182415719
      },
      {
        "event": "Namibia_T7",
        "ring_sector_radius_m": 200,
        "five_taxon_area_to_full_annulus_ratio": 0.842217891683
      },
      {
        "event": "Namibia_T7",
        "ring_sector_radius_m": 300,
        "five_taxon_area_to_full_annulus_ratio": 0.846181604481
      },
      {
        "event": "Namibia_T7",
        "ring_sector_radius_m": 400,
        "five_taxon_area_to_full_annulus_ratio": 0.821490385842
      },
      {
        "event": "Namibia_T7",
        "ring_sector_radius_m": 500,
        "five_taxon_area_to_full_annulus_ratio": 0.817910845117
      },
      {
        "event": "Namibia_T7",
        "ring_sector_radius_m": 600,
        "five_taxon_area_to_full_annulus_ratio": 0.822310025143
      },
      {
        "event": "Namibia_T7",
        "ring_sector_radius_m": 700,
        "five_taxon_area_to_full_annulus_ratio": 0.806963854827
      },
      {
        "event": "Namibia_T7",
        "ring_sector_radius_m": 800,
        "five_taxon_area_to_full_annulus_ratio": 0.821857287259
      },
      {
        "event": "Namibia_T7",
        "ring_sector_radius_m": 900,
        "five_taxon_area_to_full_annulus_ratio": 0.83335952745
      },
      {
        "event": "Namibia_T7",
        "ring_sector_radius_m": 1000,
        "five_taxon_area_to_full_annulus_ratio": 0.836767011686
      },
      {
        "event": "Namibia_T7",
        "ring_sector_radius_m": 1100,
        "five_taxon_area_to_full_annulus_ratio": 0.836420235355
      },
      {
        "event": "Namibia_T7",
        "ring_sector_radius_m": 1200,
        "five_taxon_area_to_full_annulus_ratio": 0.835230900343
      },
      {
        "event": "Namibia_T7",
        "ring_sector_radius_m": 1300,
        "five_taxon_area_to_full_annulus_ratio": 0.835514840678
      },
      {
        "event": "Namibia_T7",
        "ring_sector_radius_m": 1400,
        "five_taxon_area_to_full_annulus_ratio": 0.833154303489
      },
      {
        "event": "Namibia_T7",
        "ring_sector_radius_m": 1500,
        "five_taxon_area_to_full_annulus_ratio": 0.832458824088
      },
      {
        "event": "Namibia_T8",
        "ring_sector_radius_m": 100,
        "five_taxon_area_to_full_annulus_ratio": 0.888310591958
      },
      {
        "event": "Namibia_T8",
        "ring_sector_radius_m": 200,
        "five_taxon_area_to_full_annulus_ratio": 0.878267318981
      },
      {
        "event": "Namibia_T8",
        "ring_sector_radius_m": 300,
        "five_taxon_area_to_full_annulus_ratio": 0.865712680749
      },
      {
        "event": "Namibia_T8",
        "ring_sector_radius_m": 400,
        "five_taxon_area_to_full_annulus_ratio": 0.872831617886
      },
      {
        "event": "Namibia_T8",
        "ring_sector_radius_m": 500,
        "five_taxon_area_to_full_annulus_ratio": 0.880859059763
      },
      {
        "event": "Namibia_T8",
        "ring_sector_radius_m": 600,
        "five_taxon_area_to_full_annulus_ratio": 0.876769283636
      },
      {
        "event": "Namibia_T8",
        "ring_sector_radius_m": 700,
        "five_taxon_area_to_full_annulus_ratio": 0.881571285871
      },
      {
        "event": "Namibia_T8",
        "ring_sector_radius_m": 800,
        "five_taxon_area_to_full_annulus_ratio": 0.876060656619
      },
      {
        "event": "Namibia_T8",
        "ring_sector_radius_m": 900,
        "five_taxon_area_to_full_annulus_ratio": 0.879039465153
      },
      {
        "event": "Namibia_T8",
        "ring_sector_radius_m": 1000,
        "five_taxon_area_to_full_annulus_ratio": 0.879651046102
      },
      {
        "event": "Namibia_T8",
        "ring_sector_radius_m": 1100,
        "five_taxon_area_to_full_annulus_ratio": 0.873500264271
      },
      {
        "event": "Namibia_T8",
        "ring_sector_radius_m": 1200,
        "five_taxon_area_to_full_annulus_ratio": 0.867895703935
      },
      {
        "event": "Namibia_T8",
        "ring_sector_radius_m": 1300,
        "five_taxon_area_to_full_annulus_ratio": 0.866726447189
      },
      {
        "event": "Namibia_T8",
        "ring_sector_radius_m": 1400,
        "five_taxon_area_to_full_annulus_ratio": 0.871215294262
      },
      {
        "event": "Namibia_T8",
        "ring_sector_radius_m": 1500,
        "five_taxon_area_to_full_annulus_ratio": 0.872438820714
      },
      {
        "event": "Namibia_T9",
        "ring_sector_radius_m": 100,
        "five_taxon_area_to_full_annulus_ratio": 0.867049779667
      },
      {
        "event": "Namibia_T9",
        "ring_sector_radius_m": 200,
        "five_taxon_area_to_full_annulus_ratio": 0.835799947891
      },
      {
        "event": "Namibia_T9",
        "ring_sector_radius_m": 300,
        "five_taxon_area_to_full_annulus_ratio": 0.853865207781
      },
      {
        "event": "Namibia_T9",
        "ring_sector_radius_m": 400,
        "five_taxon_area_to_full_annulus_ratio": 0.865908413935
      },
      {
        "event": "Namibia_T9",
        "ring_sector_radius_m": 500,
        "five_taxon_area_to_full_annulus_ratio": 0.872203113536
      },
      {
        "event": "Namibia_T9",
        "ring_sector_radius_m": 600,
        "five_taxon_area_to_full_annulus_ratio": 0.882115975115
      },
      {
        "event": "Namibia_T9",
        "ring_sector_radius_m": 700,
        "five_taxon_area_to_full_annulus_ratio": 0.890681264276
      },
      {
        "event": "Namibia_T9",
        "ring_sector_radius_m": 800,
        "five_taxon_area_to_full_annulus_ratio": 0.89832342237
      },
      {
        "event": "Namibia_T9",
        "ring_sector_radius_m": 900,
        "five_taxon_area_to_full_annulus_ratio": 0.898802666411
      },
      {
        "event": "Namibia_T9",
        "ring_sector_radius_m": 1000,
        "five_taxon_area_to_full_annulus_ratio": 0.891382347693
      },
      {
        "event": "Namibia_T9",
        "ring_sector_radius_m": 1100,
        "five_taxon_area_to_full_annulus_ratio": 0.889622368556
      },
      {
        "event": "Namibia_T9",
        "ring_sector_radius_m": 1200,
        "five_taxon_area_to_full_annulus_ratio": 0.886637505658
      },
      {
        "event": "Namibia_T9",
        "ring_sector_radius_m": 1300,
        "five_taxon_area_to_full_annulus_ratio": 0.880481667551
      },
      {
        "event": "Namibia_T9",
        "ring_sector_radius_m": 1400,
        "five_taxon_area_to_full_annulus_ratio": 0.854407244425
      },
      {
        "event": "Namibia_T9",
        "ring_sector_radius_m": 1500,
        "five_taxon_area_to_full_annulus_ratio": 0.853519323305
      }
    ]
  },
  "independence": "Ten pollen sites are independent units for this description; each site's one pollen sample repeats across 15 radius labels.",
  "ring_semantics": "The publisher describes mean cover by 100 m rings, and the retained area series include decreases incompatible with cumulative nonnegative-area disks on a fixed map. Full-annulus ratios assume radius labels are outer radii and complete circles; exact ring-sector geometry and masks are not supplied by these tables. No ecological source radius is selected.",
  "limitations": [
    "Five listed taxa only; neither total terrestrial pollen nor total vegetation cover.",
    "Exact soil-sampling and satellite-image dates are not stated in these tables.",
    "Pollen productivity and dispersal differ by taxon, so descriptive distance does not select an ecological pollen-source radius.",
    "Out-of-domain Namibian soil samples do not validate Nordic lake predictions or establish an untouched confirmation cohort."
  ]
}