Intervention effectmodel-written summary

Coarse root production increased under elevated CO2 in Scots pine.

A claim from Elevated CO2 and tree root growth: contrasting responses in Fraxinus excelsior, Quercus petraea and Pinus sylvestris · 1998

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Coarse root production increased under elevated CO2 in Scots pine.

Taxon
Scots pinePinus sylvestrise7
Treatment
elevated CO 2e7
Outcome
root productione7
Direction
increasede7
Qualifier
coarsee7

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue

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

Pinus sylvestris
Pinus sylvestris · TaxonHello, I am Bruce on Flickr · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Root growth and respiration in elevated CO 2 (700 μmol mol −1 ) was studied in three tree species, Fraxinus excelsior L., Quercus petraea . L. and Pinus sylvestris L.”

✓ located verbatim in the source · abstract, characters 0–166
e7

“with increased coarse and fine root production in elevated CO 2 for Scots pine and ash respectively”

✓ located verbatim in the source · abstract, characters 1889–1988

Title

Elevated CO2 and tree root growth: contrasting responses in Fraxinus excelsior, Quercus petraea and Pinus sylvestris

MEG CROOKSHANKS; GAIL TAYLOR; MARK BROADMEADOW New Phytologist 1998. doi:10.1046/j.1469-8137.1998.00109.x

Other claims from this paper (11)

Record rev-07f47fbf66d7cc18974e569f67a213a33403db6fa2b8b8171345adeae3950348 · schema claims-v0.9 · position 7 in the model’s answer

co2 · yield · Pinus sylvestris (Scots pine)Results differ

6 papers: 5 positive, 1 negative or no effect

4 papers in the same direction as this claim · 1 in the opposite direction

  1. positive
  2. positive
  3. no effect
  4. positive
  5. positive
See all 6 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.