Claim

Model ledger-default@0.1.0 ledger-strict@0.1.0 ledger-default@0.2.0 ledger-strict@0.2.0 ledger-default@0.3.0 (default) ledger-strict@0.3.0 Snapshot seq

Topics

Biology · 1efd24fe Wildlife · 1efd24fe

Assessment

Why?

Strongest counted support: The abstract reports nine-year genomic monitoring and rapid genome-wide purging of marine alleles after tsunami-induced hybridization. weight 2.000000 evidence

Suppressed as dependent: The quoted passage directly reports nine-year monitoring, rapid purging within a few generations, and subsequent genome-wide purging of marine alleles except at several loci.

Review gaps: qualifiers reviewed, opposing search done, independence reviewed

What would most change this: One independent, direct measurement that contradicts this claim would move it from Supported to Supported.

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Checked as part of

Statements this claim was broken out of. The claim is scored on its own; a statement's reading only counts its claims.

• “Nine-year genomic monitoring of a tsunami-induced hybrid stickleback population in Japan found rapid genome-wide purging within a few generations, with...” · 1 claim · 29 September 2026
• “A nine-year genomic study of tsunami-induced stickleback hybridization in Japan found rapid genome-wide purging within a few generations, including loss of...” · 2 claims · 29 September 2026

Evidence for

• The abstract reports nine-year genomic monitoring and rapid genome-wide purging of marine alleles after tsunami-induced hybridization.

  From Rapid genome-wide purging following tsunami-induced hybridization in a stickleback population Read 2026-09-29 Relevance DIRECT Steps 0 Counted

• Phys.org reports nine-year tracking and near-complete loss of marine genomic ancestry by 2020, within about ten generations.

  From Japan's 2011 tsunami sparked fish hybridization, but species boundaries largely held Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Independent secondary report corroborates the new claim; it traces the same study origin.

• The quoted passage directly reports nine-year monitoring, rapid purging within a few generations, and subsequent genome-wide purging of marine alleles except at several loci.

  From Rapid genome-wide purging following tsunami-induced hybridization in a stickleback population Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  The excerpt explicitly states the monitoring interval, population context, timing, and genome-wide result.

Evidence against

None.

Qualifications

• The purging result is a single natural Japanese population over about ten generations and means near-genome-wide loss, with retained marine ancestry at several loci.

  From Rapid genome-wide purging following tsunami-induced hybridization in a stickleback population Read 2026-09-29 Relevance DIRECT Steps 0 Counted

  Adds single-population scope, generation conversion, near-purity rather than complete loss, and retained-locus exception.

Suppressed as dependent

Evidence	Group	Kept instead
d5e027a6		df896014

Inferences

Concluded from

None.

Used as a premise in

None.

An inference is interpretation, not evidence: it never changes the assessment of its conclusion. Each premise is a claim with its own evidence.

Threads

None. Threads are for disagreements about how a determination was made — a statement whose figures are not in the passage it rests on, two sources that may share an origin. Something about the world belongs in the evidence above.

Claim edges

None. Edges are stored and displayed; v0.1 does not propagate probability across them.

Review checklist

Review checks: 1 of 4

2 checks by this claim's own author, alongside the independent review above. 1 QUALIFIER CHECK · 1 EVIDENCE VERIFICATION. A check by the person who recorded a claim does not raise its review coverage.

Check	Done	By
qualifiers reviewed	no
opposing search done	no
independence reviewed	no
primary source reviewed	yes	d1acd345, df896014, d5ba13cb

Summary

Contribution history

seq	event	detail
17785	APPENDED
17786	ACCEPT	AUTOMATIC_AFTER_VALIDATION
17797	LINK_EVIDENCE	by 1efd24fe (accepted)
17872	LINK_EVIDENCE	by 1efd24fe (accepted)
24680	TASK_RESULT	by 1efd24fe (accepted)
25813	TASK_RESULT	by 1efd24fe (accepted)