sample_data_grounded.yaml

graph_id: "example:grassland_restoration_grounded"
schema_version: "0.4.0"
provenance:
  ontology_framework: "ELMO + CAMO"
  elm_version: "local checkout 2026-03-23"
  causal_mosaic_version: "local checkout 2026-03-23"
  created: "2026-03-24T20:00:00Z"
  source_corpus: "Worked example derived from the grassland restoration sample narrative."
  project: "Causal Mosaic ontology grounding review"

nodes:
  - id: "node:buckthorn_removal"
    name: "Increased buckthorn removal intensity"
    categories:
      - management_intervention
      - environmental_process
    description: "Mechanical removal of European buckthorn by cutting and hand-pulling."
    entity_type: management_intervention
    entity_term: "elmo:elmo_3620021"
    variable_direction: increased
    ecosystem_context:
      - "elmo:elmo_3620249"
    process_context:
      - "elmo:elmo_3620021"
    ontology_mappings:
      - ontology: ELMO
        curie: "elmo:elmo_3620021"
        label: "mechanical vegetation removal process"
      - ontology: ELMO
        curie: "elmo:elmo_3620026"
        label: "canopy thinning process"

  - id: "node:buckthorn_canopy_cover"
    name: "Decreased buckthorn canopy cover"
    categories:
      - abiotic_factor
      - ecological_outcome
    description: "Projected canopy cover of invasive buckthorn over restoration plots."
    entity_type: environmental_variable
    entity_term: "ENVO:00010483"
    variable_attribute: "PATO:0001708"
    variable_direction: decreased
    ecosystem_context:
      - "elmo:elmo_3620249"
    ontology_mappings:
      - ontology: ENVO
        curie: "ENVO:00010483"
        label: "canopy"
      - ontology: PATO
        curie: "PATO:0001708"
        label: "1-D extent"

  - id: "node:light_availability"
    name: "Increased ground-level light availability"
    categories:
      - abiotic_factor
      - ecological_outcome
    description: "Photosynthetically active radiation reaching the herb layer after shrub removal."
    entity_type: environmental_variable
    entity_term: "ENVO:00010165"
    variable_direction: increased
    ecosystem_context:
      - "elmo:elmo_3620249"
    conditioned_by:
      - "node:buckthorn_canopy_cover"
    ontology_mappings:
      - ontology: ENVO
        curie: "ENVO:00010165"
        label: "light"

  - id: "node:native_forb_richness"
    name: "Increased native forb species richness"
    categories:
      - ecological_outcome
    description: "Count of native forb species in standardized restoration plots."
    entity_type: environmental_variable
    entity_term: "ENVO:01000260"
    variable_direction: increased
    ecosystem_context:
      - "elmo:elmo_3620249"
    ontology_mappings:
      - ontology: ENVO
        curie: "ENVO:01000260"
        label: "species richness"

edges:
  - id: "edge:removal_to_canopy_cover"
    subject: "node:buckthorn_removal"
    predicate: negatively_regulates
    object: "node:buckthorn_canopy_cover"
    claim_strength: direct_causal
    process_context: "elmo:elmo_3620021"
    ecosystem_context: "elmo:elmo_3620249"
    philosophical_accounts:
      - interventionist
      - mechanistic
    account_families:
      - difference_making
      - production
    temporal_ordering: explicitly_asserted
    direction:
      status: asserted
      evidence_for_direction: experimental
    strength:
      status: explicitly_asserted
      qualitative_descriptor: strong
    contributing_sole: contributing_cause
    evidential_basis:
      evidence_types:
        - quasi_experiment
        - mechanistic_study
      evidence_objects:
        - correlation
        - mechanism
      russo_williamson_satisfied: true
      bradford_hill_viewpoints:
        - experiment
        - plausibility
        - temporality
      bradford_hill_count: 3
      certainty_grade: high
      certainty_rationale: "The intervention is direct and supported by both observation and mechanism."
      evidence_count: 1
    source_spans:
      - text: "Following buckthorn removal, canopy cover declined sharply across treated plots."
    source_document:
      title: "Native Grassland Recovery Following Invasive Buckthorn Removal"
      authors:
        - "Smith, J."
        - "Patel, K."
      year: 2024
      section: results
    annotator: "orcid:0000-0001-2345-6789"
    annotation_confidence: 0.95
    annotation_timestamp: "2024-03-15T14:30:00Z"

  - id: "edge:canopy_to_light"
    subject: "node:buckthorn_canopy_cover"
    predicate: negatively_regulates
    object: "node:light_availability"
    claim_strength: direct_causal
    ecosystem_context: "elmo:elmo_3620249"
    philosophical_accounts:
      - mechanistic
    account_families:
      - production
    temporal_ordering: explicitly_asserted
    direction:
      status: asserted
      evidence_for_direction: theoretical
    strength:
      status: explicitly_asserted
      qualitative_descriptor: strong
    evidential_basis:
      evidence_types:
        - observational_longitudinal
        - mechanistic_study
      evidence_objects:
        - correlation
        - mechanism
      russo_williamson_satisfied: true
      bradford_hill_viewpoints:
        - plausibility
        - temporality
      bradford_hill_count: 2
      certainty_grade: moderate
      certainty_rationale: "The sign is mechanistically clear, but field magnitude varies by site."
      evidence_count: 1
    source_spans:
      - text: "Plots with denser buckthorn canopy had lower ground-level PAR than opened plots."

  - id: "edge:light_to_forb_richness"
    subject: "node:light_availability"
    predicate: positively_regulates
    object: "node:native_forb_richness"
    claim_strength: conditional_causal
    ecosystem_context: "elmo:elmo_3620249"
    philosophical_accounts:
      - variation
      - mechanistic
    account_families:
      - difference_making
      - production
    temporal_ordering: explicitly_asserted
    direction:
      status: asserted
      evidence_for_direction: structural_model
    strength:
      status: explicitly_asserted
      qualitative_descriptor: moderate
      dose_response: true
    context_dependence:
      status: explicitly_asserted
      scope_conditions:
        - "strongest during the first two growing seasons after shrub removal"
        - "requires a persistent native seedbank or nearby propagule source"
      ecosystem_scope: "temperate grassland restoration"
    evidential_basis:
      evidence_types:
        - structural_equation_model
        - mechanistic_study
      evidence_objects:
        - correlation
        - mechanism
      russo_williamson_satisfied: true
      bradford_hill_viewpoints:
        - biological_gradient
        - plausibility
        - temporality
      bradford_hill_count: 3
      certainty_grade: moderate
      certainty_rationale: "Richness responds to light, but recruitment remains context dependent."
      evidence_count: 1
    source_spans:
      - text: "Greater light availability was associated with higher native forb richness in restored plots."