https://w3id.org/np/RAsHKuIOqtQ4q14a0V162M9F8eubnMZQwTXesmdUCdQOg
.trig | .trig.txt | .jelly | .jelly.txt | .jsonld | .jsonld.txt | .nq | .nq.txt | .xml | .xml.txt
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sub:assertion {
<https://w3id.org/delphi/resource/assessment/darwin1859-ch06-02--claim-test> a <https://w3id.org/delphi/ontology/Assessment>;
dc:description "Dryad 10.5061/dryad.6qg3g was read. Sheet Appendix1_22May.xlsx::Appendix1_22May.csv was bound by header names only ({\"layout\": \"wide\", \"pair\": null, \"lower\": [\"Sister species 1 elevational minimum (m)\", \"Sister species 2 elevational minimum (m)\"], \"upper\": [\"Sister species 1 elevational maximum (m)\", \"Sister species 2 elevational maximum (m)\"]}). Replacing pairs are those whose overlap is under half the shorter range and whose gap is at most that shorter range. Neutral width is the gap, or the overlap when the ranges meet. 54 replacing pairs from 203 candidate pairs. Median ratio 0.3; fraction with ratio < 1 is 0.981481.";
<http://www.w3.org/2000/01/rdf-schema#comment> "Measured: 0.3 neutral_width / min(range_width) (n = 54). Interpretation: Full quote (Origin, 1st ed., ch. VI): \"Hence the neutral territory between two representative species is generally narrow in comparison with the territory proper to each.\" The same paragraph says species become abruptly rarer toward their limits, on continents, on mountains, and in the sea. This test scores only the width of the neutral territory. The abrupt-rarity clause is not scored, because the planned tables were described as range limits, not abundance profiles. Scope is narrower than the quote: tropical montane bird sister species along elevation, which is the mountain case Darwin states. Territory proper to each is that species' elevational range. The neutral territory is the gap between the two ranges, or the overlap where they meet. The primary file is Dryad 10.5061/dryad.6qg3g. Dryad 10.5061/dryad.7qj70 is used only if the primary file has no pairable lower and upper bounds, and only if it does have such bounds. Column roles are fixed by header names before values are used: a pair id matches pair, sister, group, clade or comparison; lower and upper bounds match elevation or altitude together with min/lower/bottom or max/upper/top. A row-wise pair (two species on one row) is accepted when each species has its own lower and upper bound. Groups that are not exactly two species are skipped. No abundance column is read for the verdict.";
<http://www.w3.org/2000/01/rdf-schema#label> "Claim test of darwin1859-ch06-02: supports, confidence 0.6";
<http://www.w3.org/2000/01/rdf-schema#seeAlso> <https://github.com/fractastical/delphisci/blob/bf2af6ee0a84e23ffa6414ad7a0a50a8c276506e/test-data/claim-tests/darwin-origin/darwin1859-ch06-02/result.json>;
prov:wasAttributedTo <https://w3id.org/delphi/resource/agent/delphisci-claim-tester-grok-4-7>;
<https://w3id.org/delphi/ontology/admissibleDatasets> "A public table of closely allied species that replace one another, with a pair identifier and numeric lower and upper limits of each species' range, licensed for reuse. Occurrence clouds without a pair list are not used. Abundance is not required for this verdict.";
<https://w3id.org/delphi/ontology/assessmentType> "claim-test/0.1.0";
<https://w3id.org/delphi/ontology/dataKind> "biological";
<https://w3id.org/delphi/ontology/disconfirmingObservation> "The typical neutral zone is at least as wide as the smaller range.";
<https://w3id.org/delphi/ontology/evidenceAgainst> "Neutral width treats a gap and an overlap as the same kind of intermediate zone. Darwin's neutral territory is the ground where neither species is established; an overlap is only a proxy for that zone.",
"Scope is tropical montane birds, or the vertebrate table if that was the one with bounds. Continents and sea depths in the same paragraph are not measured.",
"Sister pairs are whatever the deposited table grouped. The test does not rebuild sister relationships.",
"The abrupt decline in abundance toward range limits is not scored. The tables supply range limits, not abundance profiles.",
"The table has its own 'Distributional overlap' label. Pairs were not filtered on that label. Inclusion uses only the pre-registered elevational gap and overlap rules.";
<https://w3id.org/delphi/ontology/expectedObservation> "The zone between replacing sister species is typically less than half as wide as the smaller of their two ranges, and this is true for at least three quarters of pairs.";
<https://w3id.org/delphi/ontology/failCriterion> "Refute if the median ratio is >= 1. If the median is between 0.5 and 1, or the median is < 0.5 but fewer than 75% of pairs have ratio < 1, the verdict is mixed. If fewer than 20 replacing pairs can be measured, inconclusive with reason underpowered. If neither planned file has pairable lower and upper limits, inconclusive with reason not-operationalizable.";
<https://w3id.org/delphi/ontology/hasConfidence> "0.6"^^xsd:double;
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<https://w3id.org/delphi/ontology/hasVerdict> "supports";
<https://w3id.org/delphi/ontology/hypothesis> "For replacing sister species of tropical montane birds, the neutral elevational zone between them is generally narrower than the elevational range of each species.";
<https://w3id.org/delphi/ontology/inferenceMethod> "Median and 75th-percentile-style fraction of neutral_width / min(range_width) on replacing pairs. Pass thresholds are median < 0.5 and fraction(ratio < 1) >= 0.75. Refute at median >= 1. Header-based column binding is fixed in advance; values are not used to choose columns.";
<https://w3id.org/delphi/ontology/passCriterion> "Among replacing pairs, the median of neutral_width / min(range_width) is < 0.5 and at least 75% of pairs have that ratio < 1. A pair replaces if the overlap is under half the shorter range and any gap is at most the shorter range. Neutral width is the gap when the ranges are separate and the overlap when they meet. Range width is upper elevation minus lower elevation.";
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dc:description "elevational or range limits of allied species pairs";
dc:license "https://spdx.org/licenses/CC0-1.0.html";
<http://www.w3.org/2000/01/rdf-schema#label> "Dataset: Data from: Competitive interactions upon secondary contact drive elevational divergence in tropical birds";
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npx:introduces <https://w3id.org/delphi/resource/assessment/darwin1859-ch06-02--claim-test>;
<http://www.w3.org/2000/01/rdf-schema#label> "Claim test of darwin1859-ch06-02: supports, confidence 0.6";
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