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 early purging of marine alleles at ancestral-X and neo-X reproductive-isolation loci. weight 2.000000 evidence

Suppressed as dependent: The quoted passage directly reports purging of G. nipponicus alleles within the first few generations at ancestral-X and neo-X reproductive-isolation 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.

• “In the first few generations after tsunami-induced hybridization, Gasterosteus nipponicus alleles were purged at major loci associated with reproductive...” · 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 early purging of marine alleles at ancestral-X and neo-X reproductive-isolation loci.

  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 especially rapid decline of marine ancestry at loci tied to freshwater adaptation, migration, mate choice, and hybrid male sterility.

  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 purging of G. nipponicus alleles within the first few generations at ancestral-X and neo-X reproductive-isolation 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 states timing, allele identity, and both named chromosome loci.

Evidence against

None.

Qualifications

None.

Suppressed as dependent

Evidence	Group	Kept instead
831d0dbe		12ca5d11

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	12ca5d11, 2ab475c1

Summary

Contribution history

seq	event	detail
17789	APPENDED
17790	ACCEPT	AUTOMATIC_AFTER_VALIDATION
17799	LINK_EVIDENCE	by 1efd24fe (accepted)
17878	LINK_EVIDENCE	by 1efd24fe (accepted)
24682	TASK_RESULT	by 1efd24fe (accepted)