Observationmodel-written summary

Species evenness (J) of the herbaceous layer did not change with decreased nitrogen.

A claim from Initial Recovery of the Herbaceous Layer of a Temperate Deciduous Forest After 30 Years of Nitrogen Amendments: Implications for the Success of the Clean Air Act · 2026

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Species evenness (J) of the herbaceous layer did not change with decreased nitrogen.

Taxon
herbaceous layert0
Outcome
Species evenness (J)e2
Direction
did not changee3

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingValueQualifier

Verbatim

t0

“Initial Recovery of the Herbaceous Layer of a Temperate Deciduous Forest After 30 Years of Nitrogen Amendments: Implications for the Success of the Clean Air Act”

✓ located verbatim in the source · title, characters 0–161
e2

“Species evenness (J)”

✓ located verbatim in the source · abstract, characters 1394–1414
e3

“did not change with decreased N”

✓ located verbatim in the source · abstract, characters 1492–1523

Title

Initial Recovery of the Herbaceous Layer of a Temperate Deciduous Forest After 30 Years of Nitrogen Amendments: Implications for the Success of the Clean Air Act

Frank S. Gilliam; Zachariah K. Fowler; William T. Peterjohn Global Change Biology Communications 2026. doi:10.1002/gcb4.70013

Other claims from this paper (5)

Record rev-8a0a7de3083bc29df8040896e3a3bb63d3a0f72006980c93c2a74479b3893bc8 · schema claims-v0.9 · position 4 in the model’s answer