Search claims · PlantClaims

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

Approximate three-quarter foliage biomass scaling suggests metabolic scaling exponents may be loosely tied to foliage fractal dimension.

Outcome: metabolic scaling exponentse0
Qualifier: ¾ scaling of foliage biomasse0

Not reportedTaxon

Verbatim

e0
“Because ¾ scaling of foliage biomass is still approximately valid, this implies that metabolic scaling exponents may not be as tightly linked to the fractal dimension of foliage as previously assumed.”
✓ located verbatim in the source · abstract, characters 1408–1608

t0
“trees”
✓ located verbatim in the source · title, characters 43–48

Title

Self‐shading affects allometric scaling in trees

Remko A. Duursma; Annikki Mäkelä; Douglas E.B. Reid; et al. Functional Ecology 2010. doi:10.1111/j.1365-2435.2010.01690.x

Other claims from this paper (6)

Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Reduced foliage photosynthetic productivity largely determined the ozone impact on biomass.

Taxon: aspent0
Organ / stage: foliagee0
Outcome: negative impact of O(3) on biomasse0
Qualifier: lower photosynthetic productivity of the foliagee0

Verbatim

e0
“the negative impact of O(3) on biomass in the clones was determined largely by lower photosynthetic productivity of the foliage”
✓ located verbatim in the source · abstract, characters 2163–2290

t0
“aspen”
✓ located verbatim in the source · title, characters 31–36

Title

Photosynthetic productivity of aspen clones varying in sensitivity to tropospheric ozone

M. D. Coleman; J. G. Isebrands; R. E. Dickson; et al. Tree Physiology 1995. doi:10.1093/treephys/15.9.585

Other claims from this paper (19)

Observation Early-season ozone lowered mature-leaf photosynthesis in all clones.
Intervention effect Early-season ozone lowered photosynthesis in recently mature leaves only in sensitive Clone 259.
Intervention effect Midseason ozone lowered photosynthesis in recently mature and mature leaves of sensitive Clone 259.
Intervention effect Midseason ozone had no effect on recently mature leaf photosynthesis of tolerant Clone 216.
Intervention effect Late-season photosynthesis in both leaf ages of Clone 216 was lower than in filtered-air controls.
Intervention effect Ozone decreased mature-leaf photosynthesis in Clone 271.
Intervention effect Ozone increased or did not affect recently mature-leaf photosynthesis in Clone 271.
Observation Seedling ozone response patterns resembled clone patterns but were smaller in magnitude.
Observation Ozone exposed clones showed early leaf abscission.
Observation Clones 216 and 259 lost more leaf area than Clone 271.
Intervention effect At the highest ozone treatment, Clone 216 leaf area was 26% below controls by late August.
Intervention effect At the highest ozone treatment, Clone 259 leaf area was 24% below controls by late August.
Intervention effect At the highest ozone treatment, Clone 271 leaf area was 9% below controls by late August.
Intervention effect Ozone reduced whole-tree photosynthesis by 23% in Clone 271.
Intervention effect Ozone reduced whole-tree photosynthesis by 56% in Clone 216.
Intervention effect Ozone reduced whole-tree photosynthesis by 56% in Clone 259.
Intervention effect Ozone accompanied a 19% biomass decline in Clone 271.
Intervention effect Ozone accompanied a 28% biomass decline in Clone 216.
Intervention effect Ozone accompanied a 47% biomass decline in Clone 259.

Mechanismauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Increasing foliage biomass allocation was interpreted as beneficial to developing and consolidating habitat.

Taxon: O.lubricumOligostachyum lubricume0
Outcome: develop new habitat and consolidate present habitate0
Qualifier: Increasing in allocation proportion of foliage biomasse0

Verbatim

e0
“Increasing in allocation proportion of foliage biomass was beneficial to develop new habitat and consolidate present habitat for O.lubricum”
✓ located verbatim in the source · abstract, characters 1089–1228

Title

Above-ground Biomass Allocation and Relationship with Ramet Component of Oligostachyum lubricum

Ying‐Chun Li Forest Research Open Access 2011

Other claims from this paper (8)

Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The authors attributed the pine efficiency decline to branch biomass accumulation needed for foliage display.

Taxon: lodgepole pinePinus contortae0
Outcome: large accumulation of branch biomasse0
Qualifier: required to display foliage effectivelye0

Verbatim

e0
“This difference was attributed to the large accumulation of branch biomass required to display foliage effectively in the canopies of the perennial lodgepole pine, accumulation which does not occur in the annual sunflower”
✓ located verbatim in the source · abstract, characters 720–941

Title

Structure, Production and Leaf Area Dynamics: A Comparison of Lodgepole Pine and Sunflower

STEVEN B JACK; JAMES N LONG Annals of Botany 1991. doi:10.1093/oxfordjournals.aob.a088250

Other claims from this paper (3)

Mechanismauthor interpretationoriginal resultnegativesimulated

Claim · model-written summary

Reduced biomass allocation to foliage partly offset simulated whole-tree photosynthetic responses to elevated CO2 in aspen.

Taxon: aspene0
Treatment: elevated [CO2]e1
Outcome: responses of whole-tree photosynthesise1
Direction: partially offsete0
Qualifier: reductions in specific leaf area and biomass allocation to foliagee0

Verbatim

e0
“were partially offset by reductions in specific leaf area and biomass allocation to foliage in aspen”
✓ located verbatim in the source · abstract, characters 1313–1413

e1
“simulated responses of whole-tree photosynthesis to elevated [CO2]”
✓ located verbatim in the source · abstract, characters 1174–1240

Title

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

J. C. Volin; E. L. Kruger; R. L. Lindroth Tree Physiology 2002. doi:10.1093/treephys/22.7.435

Other claims from this paper (11)

Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

More intensive harvesting caused proportionately greater biomass nutrient losses by removing nutrient-rich branches and foliage.

Taxon: white birchBetula pendulat0
Treatment: more intensive harvestinge0
Outcome: Losses of nutrients in biomasse0
Qualifier: tree components with higher nutrient concentrations (branches, foliage) were removede0

Verbatim

e0
“Losses of nutrients in biomass were proportionately greater with more intensive harvesting as tree components with higher nutrient concentrations (branches, foliage) were removed.”
✓ located verbatim in the source · abstract, characters 224–403

t0
“white birch”
✓ located verbatim in the source · title, characters 63–74

Title

Nutrient removals with harvesting and by deep percolation from white birch (Betula papyrifera [Marsh.]) sites in central Newfoundland

Brian D. Titus; Bruce A. Roberts; Keith W. Deering Canadian Journal of Soil Science 1998. doi:10.4141/s97-044

Other claims from this paper (19)

Observation Stem-only harvesting removed 126 kg ha−1 nitrogen in biomass.
Observation Stem-only harvesting removed 9 kg ha−1 phosphorus in biomass.
Observation Stem-only harvesting removed 51 kg ha−1 potassium in biomass.
Observation Stem-only harvesting removed 126 kg ha−1 calcium in biomass.
Observation Stem-only harvesting removed 23 kg ha−1 magnesium in biomass.
Intervention effect Whole-tree harvesting increased biomass removal by 19% versus stem-only harvesting.
Intervention effect Whole-tree harvesting increased nitrogen removal by 127%.
Intervention effect Whole-tree harvesting increased phosphorus removal by 138%.
Intervention effect Whole-tree harvesting increased potassium removal by 151%.
Intervention effect Whole-tree harvesting increased calcium removal by 72%.
Intervention effect Whole-tree harvesting increased magnesium removal by 90%.
Intervention effect Deep-percolation nutrient losses were generally greater after stem-only than whole-tree harvesting during three years.
Mechanism Greater leaching may reflect slash leaching, mineralization beneath slash and delayed successional vegetation nutrient sinks.
Intervention effect Three-year nitrogen leaching was 4 kg ha−1 after whole-tree versus 9 after stem-only harvesting.
Intervention effect Three-year phosphorus leaching was 0.2 kg ha−1 after whole-tree versus 0.1 after stem-only harvesting.
Intervention effect Three-year potassium leaching was 8 kg ha−1 after whole-tree versus 7 after stem-only harvesting.
Intervention effect Three-year calcium leaching was 23 kg ha−1 after whole-tree versus 28 after stem-only harvesting.
Intervention effect Three-year magnesium leaching was 7 kg ha−1 after whole-tree versus 9 after stem-only harvesting.
Observation Leachate nutrient losses were generally small compared with biomass-removal losses.

Mechanismhypothesisoriginal resultmeasured

Claim · model-written summary

Frost damage to the foliage at Lisle may have caused location differences in aboveground biomass that affected fertilizer N uptake and recovery.

Taxon: Common Hackberry (Celtis occidentalis)Celtis occidentalist0
Outcome: fertilizer N uptake and recoverye0
Qualifier: Frost damage to the foliagee0
Setting: Lisle, ILe0

Verbatim

t0
“Common Hackberry (Celtis occidentalis)”
✓ located verbatim in the source · title, characters 66–104

e0
“Frost damage to the foliage at Lisle, IL may have resulted in location differences in aboveground biomass which affected fertilizer N uptake and recovery”
✓ located verbatim in the source · abstract, characters 1016–1169

Title

Fertilizer Uptake, Partitioning, and Recovery in Container- Grown Common Hackberry (Celtis occidentalis) Trees

L.P. Werner; L.G. Jull Arboriculture & Urban Forestry 2009. doi:10.48044/jauf.2009.039

Other claims from this paper (7)

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

The stress-induced reduction of foliage biomass came mainly from inhibition of leaf area development rather than reduced internode and leaf number.

Taxon: sweet basilOcimum basilicumt0
Outcome: reduction of foliage biomasse0
Qualifier: inhibition of leaf area development rather than reduction of internode and leaf numbere0

Verbatim

e0
“The stress‐induced reduction of foliage biomass sourced mainly from inhibition of leaf area development rather than reduction of internode and leaf number”
✓ located verbatim in the source · abstract, characters 672–826

t0
“sweet basil”
✓ located verbatim in the source · title, characters 78–89

Title

Salinity‐induced changes in essential oil, pigments and salts accumulation in sweet basil (Ocimum basilicum) in relation to alterations of morphological development

N. Bernstein; M. Kravchik; N. Dudai Annals of Applied Biology 2009. doi:10.1111/j.1744-7348.2009.00376.x

Other claims from this paper (11)

Intervention effect Salinity inhibited shoot and root biomass production and individual leaf area in sweet basil already at 25 mM NaCl.
Intervention effect Raising salinity from 1 to 100 mM NaCl reduced fresh herb biomass production by 63%.
Intervention effect Raising salinity from 1 to 100 mM NaCl reduced dry herb biomass production by 61%.
Intervention effect Cl and Na concentrations in leaves, stems and roots increased with increasing NaCl concentration in the solution.
Observation Cl accumulation was highest in leaves, then stems, then roots.
Observation Na was largely excluded from the leaves and preferentially accumulated in roots and stems.
Mechanism The authors suggest that Na exclusion from leaves potentially accounts for the moderate sensitivity of the leaf tissue to salinity.
Intervention effect Salt stress increased the contents of essential oil and carotenoids in sweet basil leaves.
Intervention effect Raising salinity from 1 to 130 mM NaCl caused a twofold increase in carotenoid concentration and in the percent of essential oil in fresh tissue.
Intervention effect In the 1-75 mM NaCl range the stress-induced increase of the percent essential oil in tissue was about 50%.
Intervention effect Oil production per plant was not reduced by salinity because the increased oil percentage compensated for the biomass reduction.

Mechanismauthor interpretationoriginal resultsimulated

Claim · model-written summary

Reduced photosynthetic potential following 70% pruning caused only small changes in leaf area and foliage distribution, with little effect on daily net biomass production.

Taxon: Eucalyptus nitensEucalyptus nitenst0
Treatment: 70%-pruning treatmente0
Outcome: G(d)e0
Qualifier: only small changes in leaf area/foliage distributione0

Verbatim

e0
“the reduction in photosynthetic potential associated with the 70%-pruning treatment resulted in only small changes in leaf area/foliage distribution, which consequently had little effect on G(d)”
✓ located verbatim in the source · abstract, characters 1888–2082

t0
“Eucalyptus nitens”
✓ located verbatim in the source · title, characters 93–110

Title

Modeling the effect of physiological responses to green pruning on net biomass production of Eucalyptus nitens

E. A. Pinkard; M. Battaglia; C. L. Beadle; et al. Tree Physiology 1999. doi:10.1093/treephys/19.1.1

Other claims from this paper (12)

Intervention effect Green pruning increases light-saturated CO2 assimilation.
Observation Green pruning changes total leaf area and foliage distribution.
Intervention effect The 50% pruning treatment reduced daily net biomass production by 20% immediately.
Observation High light interception occurred at leaf area index 4.0.
Intervention effect The 50% pruning treatment reduced leaf area index to 3.5.
Observation Physiological responses compensated fully for lost intercepted radiation within 110 days after 50% pruning.
Intervention effect The 70% pruning treatment reduced leaf area index to 1.9.
Intervention effect The 70% pruning treatment reduced daily net biomass production by 77%.
Intervention effect After 70% pruning, physiological responses did not restore daily net biomass production to unpruned levels.
Association Increased assimilation after pruning raised modeled daily net biomass production by 20% in 50% pruned trees.
Association Increased assimilation after pruning raised modeled daily net biomass production by 25% in 70% pruned trees.
Association Changes in leaf area and foliage distribution increased daily net biomass production by 47% in 50% pruned trees.

Mechanismauthor interpretationoriginal resultsimulated

Claim · model-written summary

The difference in below-ground biomass between low and high latitudes is attributed to low production rates of late-season cohorts at high latitudes compared with consumption for shooting and establishing foliage.

Taxon: TyphaTyphat0
Outcome: This differencee1
Qualifier: low production rates of late-season cohorts in high latitudes, compared with consumption for shooting and establishing foliagee1

Verbatim

t0
“Typha”
✓ located verbatim in the source · title, characters 66–71

e1
“This difference is due to low production rates of late-season cohorts in high latitudes, compared with consumption for shooting and establishing foliage”
✓ located verbatim in the source · abstract, characters 1624–1776

Title

Latitudinal Characteristics of Below- and Above-ground Biomass of Typha: a Modelling Approach

TAKASHI ASAEDA; DINH NGOC HAI; JAGATH MANATUNGE; et al. Annals of Botany 2005. doi:10.1093/aob/mci178

Other claims from this paper (9)

“biomass in foliage”

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