Contribution seq 23240

Payload

{
  "ops": [
    {
      "op": "CREATE_SOURCE",
      "ref": "src_wetland_fragmentation",
      "title": "Highly fragmented European wetlands with uneven restoration needs",
      "publisher": "Nature",
      "source_type": "PRIMARY_TEXT",
      "retrieved_at": "2026-09-29T02:45:00Z",
      "canonical_uri": "https://www.nature.com/articles/s41586-026-10760-9",
      "publication_date": "2026-07-15"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "ex_patch_definition",
      "excerpt": "Calculating the patch-size distribution (contiguous clusters of 10-m cells within each class) shows that European wetlands are fine-grained and highly fragmented, with an estimated 27–33% of wetland area occurring in map-defined patches <25 ha and 7–11% in patches <1 ha.",
      "locator": {},
      "source_id": "src_wetland_fragmentation",
      "excerpt_hash": "sha256:d6de3b1e46bbbc88ee353cae54d501fef8dfa5a763bcf8fed4cad8cf7d8b66d2",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "ex_patch_population",
      "excerpt": "Here we map six open wetland types at 10-m resolution across Europe (2018 epoch) by combining optical and radar satellite data in a scalable machine-learning framework anchored to the CLC framework.",
      "locator": {},
      "source_id": "src_wetland_fragmentation",
      "excerpt_hash": "sha256:8036a89ca6aeffff19205536980e22d77660cbb3c343ef82277f6305bd45a17c",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_SOURCE_LOCATION",
      "ref": "ex_patch_sampling",
      "excerpt": "At the European scale, wetland area and map accuracy were estimated directly from the independent continental validation sample N val = 10,975 using design-based stratified estimation.",
      "locator": {},
      "source_id": "src_wetland_fragmentation",
      "excerpt_hash": "sha256:c4f8d39c9d72fdc8c72c27d8652135ab6ae9b6edb3050dc7a3b185c9ef6d66aa",
      "locator_type": "QUOTE"
    },
    {
      "op": "CREATE_CLAIM",
      "ref": "cl_patch_definition",
      "claim_type": "DEFINITIONAL",
      "qualifiers": {},
      "canonical_text": "The 27–33% and 7–11% figures refer to contiguous clusters of 10-m cells within each mapped wetland class, not arbitrary administrative wetland parcels.",
      "affirms_not_private_individual": true
    },
    {
      "op": "CREATE_CLAIM",
      "ref": "cl_patch_population",
      "claim_type": "DEFINITIONAL",
      "qualifiers": {},
      "canonical_text": "The fragmentation percentages apply to the study’s six open wetland classes in its 2018 European mapping extent, rather than to all wetlands globally.",
      "affirms_not_private_individual": true
    },
    {
      "op": "CREATE_CLAIM",
      "ref": "cl_patch_estimation",
      "claim_type": "QUANTITATIVE",
      "qualifiers": {},
      "canonical_text": "The European fragmentation estimates were derived from the study’s design-based stratified framework and independent validation sample of 10,975 points.",
      "affirms_not_private_individual": true
    },
    {
      "op": "CREATE_CLAIM_EDGE",
      "to_claim_id": "f120cbc0-62ab-8250-ba8d-5b8a95e2aa4f",
      "from_claim_id": "cl_patch_definition",
      "relationship_type": "NARROWS"
    },
    {
      "op": "CREATE_CLAIM_EDGE",
      "to_claim_id": "f120cbc0-62ab-8250-ba8d-5b8a95e2aa4f",
      "from_claim_id": "cl_patch_population",
      "relationship_type": "NARROWS"
    },
    {
      "op": "CREATE_CLAIM_EDGE",
      "to_claim_id": "f120cbc0-62ab-8250-ba8d-5b8a95e2aa4f",
      "from_claim_id": "cl_patch_estimation",
      "relationship_type": "NARROWS"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "ev_patch_definition",
      "statement": "The percentages use contiguous 10-m-cell clusters within each wetland class and are explicitly map-defined patches.",
      "observation_type": "DATASET_RESULT",
      "source_location_id": "ex_patch_definition"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "ev_patch_population",
      "statement": "The mapped population is six open wetland types in the 2018 European mapping extent.",
      "observation_type": "DATASET_RESULT",
      "source_location_id": "ex_patch_population"
    },
    {
      "op": "CREATE_EVIDENCE",
      "ref": "ev_patch_estimation",
      "statement": "European estimates use independent validation data and design-based stratified estimation.",
      "observation_type": "EXPERT_ANALYSIS",
      "source_location_id": "ex_patch_sampling"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "Clarifies the operational definition of patch.",
      "claim_id": "f120cbc0-62ab-8250-ba8d-5b8a95e2aa4f",
      "direction": "QUALIFY",
      "evidence_item_id": "ev_patch_definition",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "Clarifies the wetland population underlying the denominator.",
      "claim_id": "f120cbc0-62ab-8250-ba8d-5b8a95e2aa4f",
      "direction": "QUALIFY",
      "evidence_item_id": "ev_patch_population",
      "interpretive_steps": 0,
      "relevance_strength": "DIRECT"
    },
    {
      "op": "LINK_EVIDENCE",
      "note": "Clarifies the estimation and validation basis.",
      "claim_id": "f120cbc0-62ab-8250-ba8d-5b8a95e2aa4f",
      "direction": "QUALIFY",
      "evidence_item_id": "ev_patch_estimation",
      "interpretive_steps": 0,
      "relevance_strength": "STRONG"
    }
  ],
  "outcome": "QUALIFIERS_FOUND"
}

Rows created

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• SourceLocation b1483075-b3ea-871c-b453-e09e16a23ddc
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• Claim 35d31145-d39d-89fa-97cb-5ca6389e5f2c (accepted seq 23241)
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• ClaimEdge 4b9a7450-e1de-8af5-910f-3897b0f642a1 (accepted seq 23241)
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• EvidenceClaimLink ddd56bc8-2783-8934-b551-cece8bcf3b65 (accepted seq 23241)
• EvidenceClaimLink 29beba92-b01d-8daa-8d95-49ba02414ad4 (accepted seq 23241)
• EvidenceClaimLink f0ec7e50-f160-849f-9670-60ca67b7a39d (accepted seq 23241)

Status history

Audits

None.

Audit sampling (audit-policy-v0.1): probability 1.0000, sampled yes; inputs {"n":"0.00","mean":"0.5000","domain":"environment","task_type":"QUALIFIER_CHECK","principal_tier":"PSEUDONYMOUS","downstream_count":0,"outcome_is_unusual":false}