Intervention effectmodel-written summary

Diameter-limit cutting leaves stands in poor growth and health condition.

A claim from Sugar maple: its characteristics and potentials · 1999

Intervention effectobservedoriginal resultnegativebasis n/a

Claim · model-written summary

Diameter-limit cutting leaves stands in poor growth and health condition.

Taxon
Sugar mapleAcer saccharumt0
Treatment
Diameter-limit cuttinge0
Outcome
poor condition for growth and healthe0

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingDirectionValueQualifier

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Acer saccharum
Acer saccharum · TaxonNo machine-readable author provided. MPF assumed (based on copyright claims). · CC BY 2.5 · Wikimedia Commons ↗

Verbatim

e0

“Diameter-limit cutting removes the best trees, often leaving stands in poor condition for growth and health”

✓ located verbatim in the source · abstract, characters 644–751
t0

“Sugar maple”

✓ located verbatim in the source · title, characters 0–11

Title

Sugar maple: its characteristics and potentials

Ralph D. Nyland 1999

Other claims from this paper (5)

Record rev-63d654b76d645e9774b2c8698eb6b142d8dc4688dfebf763f4b892ccf45e5294 · schema claims-v0.9 · position 6 in the model’s answer

pruning · growth · Acer saccharum (sugar maple)Positive and negative results

4 papers: 2 positive, 2 negative or no effect

1 paper in the same direction as this claim · 2 in the opposite direction

  1. positive
    Defoliation increased maple relative growth rate under elevated CO2.

    Influences of atmospheric CO2 enrichment on the responses of sugar maple and trembling aspen to defoliation · 1998

    Opposite direction

  2. positive
    Thinning resulted in a highly significant increase in sugar maple diameter growth in both years.

    Effects of Thinning and Fertilization on Foliar Nutrient Concentrations of Sugar Maple · 1975

    Opposite direction

  3. no effect
    Defoliation did not significantly affect final sugar maple seedling biomass.

    Responses of deciduous broadleaf trees to defoliation in a CO2 enriched atmosphere · 2002

    Same direction

See all 4 papers →

Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.