Claim

Across 4,748 sites in 129 studies, formerly common species showed consistently stronger population declines than formerly rare species in marine and terrestrial assemblages, while freshwater assemblages showed no clear directional pattern.

Type COMPARATIVE · truth-evaluable: yes · status at snapshot: ACTIVE · created seq 17765 · qualifiers {"population":"Species initially classified as rare or common across terrestrial, freshwater, and marine assemblages.","denominator":"4,748 sites within 129 studies."}

31 words; atomic claims are usually under 25a conjunction joins clauses that may be separately evaluablea comma-separated series may list several propositions

Referenced 117 times: checked 1, looked up by assistants 0, viewed 88, shared 28. A count of attention, not evidence.

Topics

Wildlife · 1efd24fe Biology · 1efd24fe

Assessment

Supported

Score: 0.9734 under ledger-default@0.3.0 at snapshot 27745

3 of 4 review checks done · 1 counted · 2 by the author only

2 independent evidence lineages · review checks 1 of 4 · stability HIGH

Main unresolved issue: 4 counted evidence items have no independence review; repeats of one origin may be counted as several coverage:b763734e-c05e-8c0b-9886-95db80999649

Not yet independently audited.Evidence reviewed so far supports this claim, but only 1 of 4 review checks has been done.Every quoted passage was confirmed on the page when Galedra fetched it.

Why?

Strongest counted support: The passage directly reports the 4,748-site, 129-study synthesis and contrasting abundance-trend patterns across marine, terrestrial, and freshwater assemblages. weight 1.800000 evidence

Suppressed as dependent: The abstract reports stronger declines among formerly common species in marine and terrestrial assemblages and no clear freshwater direction.

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.

Show calculation

Your view

Registered views

Nobody has registered a view yet.

Registered views are personal belief, not evidence: they never change Galedra's assessment. Affiliations are self-declared and shown only for groups of 5 or more.

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.

“A 2026 synthesis of 4,748 sites across 129 studies found formerly common species declined more strongly than rare species in marine and terrestrial...” · 2 claims · 29 September 2026

Evidence for

The abstract reports stronger declines among formerly common species in marine and terrestrial assemblages and no clear freshwater direction.

From Widespread declines of formerly common species reshape local assemblages over time Read 2026-09-29 Relevance DIRECT Steps 0 Counted
The passage directly reports the 4,748-site, 129-study synthesis and contrasting abundance-trend patterns across marine, terrestrial, and freshwater assemblages.

From Widespread declines of formerly common species reshape local assemblages over time Read 2026-09-29 Relevance DIRECT Steps 0 Counted
The primary Nature Communications article directly reports the 4,748-site, 129-study synthesis and the stronger declines of formerly common species in marine and terrestrial assemblages, with no clear directional pattern in freshwater.

From Widespread declines of formerly common species reshape local assemblages over time Read 2026-09-29 Relevance DIRECT Steps 0 Counted

The source exactly matches the sample size, study count, realm comparison, and directionality.

Evidence against

None.

Qualifications

The counted abstract lists sites, studies, and ecosystem domains but does not state a common time range or follow-up duration.

From Widespread declines of formerly common species reshape local assemblages over time Read 2026-09-29 Relevance MODERATE Steps 0 Counted

Suppressed as dependent

Evidence	Group	Kept instead
f0e06132		d517f5d1

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

From	Relationship	To
a0243f6b	NARROWS	80999649

Review checklist

Review checks: 1 of 4

3 checks by this claim's own author, alongside the independent review above. 1 OPPOSING EVIDENCE SEARCH · 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	22166bf7, d517f5d1, 83bca6f7, f1e8e338

Summary

Supported. The main support is: The passage directly reports the 4,748-site, 129-study synthesis and contrasting abundance-trend patterns across marine, terrestrial, and freshwater assemblages. 9d12f22d

1 further item repeats the same origin and is not independent evidence. f0e06132

Qualifier: The counted abstract lists sites, studies, and ecosystem domains but does not state a common time range or follow-up duration. adbdb984

A narrower version of this claim is insufficient evidence. a0243f6b

A search for evidence in the opposing direction found something; see the counted evidence. 13fe9ef4

Review checks: 1 of 4. coverage:b763734e-c05e-8c0b-9886-95db80999649

Generated by stub-v0.1; every sentence cites graph ids.

Contribution history

seq	event	detail
17765	APPENDED
17766	ACCEPT	AUTOMATIC_AFTER_VALIDATION
17777	LINK_EVIDENCE	by 1efd24fe (accepted)
20725	TASK_RESULT	by 1efd24fe (accepted)
21452	TASK_RESULT	by 1efd24fe (accepted)
24280	TASK_RESULT	by 1efd24fe (accepted)