Search claims · PlantClaims

Observationobservedoriginal resultmeasured

Claim · model-written summary

Foliage biomass ranged from 4.9 to 11.3 tonnes/ha over the observed stand densities.

Taxon: radiata pinet0
Outcome: Total foliage biomasse0
Value: 4.9 to 11.3 tonnes/hae0

Verbatim

e0
“Total foliage biomass ranged from 4.9 to 11.3 tonnes/ha”
✓ located verbatim in the source · abstract, characters 1263–1318

t0
“RADIATA PINE”
✓ located verbatim in the source · title, characters 78–90

Title

EFFECT OF THINNING ON THE DISTRIBUTION AND BIOMASS OF FOLIAGE IN THE CROWN OF RADIATA PINE

G Siemon; WJ Müller; G. B. Wood; et al. New Zealand journal of forestry science 1980

Other claims from this paper (7)

Observation In the upper crown, one-year foliage increased acropetally from 52 to 75%.
Observation Upper-crown two-year foliage decreased slightly from 28 to 22%.
Observation Upper-crown three-year-and-older foliage decreased markedly from 20 to 3%.
Observation Middle and lower crown foliage proportions were about 37%, 28% and 36% for one-, two- and older leaves.
Observation One- and two-year leaves averaged 73% of total crown leaf biomass across thinning regimes.
Intervention effect Stand density had little effect on foliage proportion by crown position or age.
Observation Annual foliage production ranged from 2.4 to 4.3 tonnes/ha.

Method / resourceobservedoriginal resultnegativemeasured

Claim · model-written summary

Foliage biomass regressions compared unfavorably with regressions in other studies.

Taxon: western larchLarix occidentalise1
Outcome: Regression equations for estimating foliage biomasse0
Direction: did not compare favorablye0
Comparator: foliage biomass allometric relations from other studiese0

Verbatim

e0
“Regression equations for estimating foliage biomass reported in this study did not compare favorably with foliage biomass allometric relations from other studies.”
✓ located verbatim in the source · abstract, characters 352–514

e1
“western larch (Larixoccidentalis Nutt.)”
✓ located verbatim in the source · abstract, characters 154–193

Title

Allometric relations of deciduous (Larixoccidentalis) and evergreen conifers (Pinuscontorta and Pseudotsugamenziesii) of the Cascade Mountains in central Washington

Stith T. Gower; Charles C. Grier; Daniel J. Vogt; et al. Canadian Journal of Forest Research 1987. doi:10.1139/x87-103

Other claims from this paper (6)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Insecticide treatment increased shrub foliage biomass across canopy and management settings.

Taxon: mountain shrubt0
Treatment: treatment with insecticidese0
Outcome: foliage biomasse0
Direction: increasede0
Qualifier: regardless of the shrub management practicee0
Setting: habitats with and without shrub canopye0

Not reportedComparator

Verbatim

e0
“In habitats with and without shrub canopy, treatment with insecticides generally increased foliage biomass and consistently decreased root biomass, regardless of the shrub management practice.”
✓ located verbatim in the source · abstract, characters 280–472

t0
“mountain shrub”
✓ located verbatim in the source · title, characters 93–107

Title

Effects of arthropods on root:shoot ratio and biomass production in undisturbed and modified mountain shrub habitats

Tim A. Christiansen; Jeffrey A. Lockwood; Jeff R. Powell ScholarsArchive (Brigham Young University) 1989

Other claims from this paper (3)

Intervention effect Insecticide treatment decreased shrub root biomass across canopy and management settings.
Intervention effect In open areas, insecticide effects on shrub root and shoot biomass were greater in undisturbed plots than managed plots.
Intervention effect Shrub root to shoot ratio increased after insecticide application, with one exception.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Total beech foliage biomass was 1183 g m-2

Taxon: Nothofagus solandri var. cliffortioidesNothofagus cliffortioidese0
Outcome: foliage biomasse5
Value: 1183e5

Verbatim

e0
“The spatial and physical characteristics of foliage varied systematically with canopy height in a broad-leaved evergreen forest of Nothofagus solandri var. cliffortioides (Hook.f.) Poole (mountain beech) in the Craigieburn Range, South Island, New Zealand”
✓ located verbatim in the source · abstract, characters 0–255

e5
“Total beech and mistletoe foliage biomass was 1183 and 36g m-2 respectively and total beech and mistletoe foliage nitrogen mass was 12 3 and 037g m2”
✓ located verbatim in the source · abstract, characters 992–1140

Title

Addendum: Canopy Organization and Foliage Photosynthetic Capacity in a Broad-Leaved Evergreen Montane Forest

D. Y. Hollinger Functional Ecology 1989. doi:10.2307/2389382

Other claims from this paper (10)

Association Leaf inclination angle, leaf weight per unit area and leaf nitrogen concentration decreased with canopy depth
Association Leaf photosynthetic capacity and leaf reflectance decreased with canopy depth
Mechanism Depth-related leaf changes are expected to give greater canopy carbon gain
Observation Mean leaf area index of the Nothofagus foliage was 6.7
Observation Mean branch silhouette area index of the Nothofagus canopy was 1.4
Observation Mistletoe leaf area index in the canopy was 0.14
Observation Mistletoe stem silhouette area index in the canopy was 0.02
Observation Mistletoe foliage biomass was 36 g m-2
Observation Total beech foliage nitrogen mass was 12.3
Observation Mistletoe foliage nitrogen mass was 0.37 g m-2

Observationobservedoriginal resultmeasured

Claim · model-written summary

Douglas-fir foliage area and needle biomass followed a 1:3.5:2 upper-to-lower crown ratio.

Taxon: Douglas-firPseudotsuga menziesiie0
Organ / stage: upper, middle, and lower crowne0
Outcome: Foliage area and needle biomasse0
Value: 1:3.5:2e0

Verbatim

e0
“Foliage area and needle biomass of Douglas-fir, Pseudotsugamenziesii (Mirb.) Franco, were distributed in the ratio of 1:3.5:2 in the upper, middle, and lower crown.”
✓ located verbatim in the source · abstract, characters 0–164

Title

Distribution of foliage on open-grown white fir and Douglas-fir in northern New Mexico, U.S.A.

J. M. Schmid; M. B. Morton Canadian Journal of Forest Research 1981. doi:10.1139/x81-084

Other claims from this paper (5)

Observation White fir foliage followed a 1:2:1 crown ratio.
Observation New shoot growth as a share of needle weight decreased from crown top to bottom in Douglas-fir.
Observation New shoot growth as a share of needle weight decreased from crown top to middle in white fir.
Observation Douglas-fir foliage weighed 14 to 38 kg.
Observation White fir foliage weighed 22 to 59 kg.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Sapwood area correlated strongly with balsam fir foliage mass.

Taxon: balsam firAbies balsameae0
Organ / stage: foliagee0
Outcome: foliage biomasse0

Not reportedSettingDirection

Verbatim

e0
“Sapwood conducting area was found to be highly correlated with foliage biomass and projected leaf area in both balsam fir (Abiesbalsamea (L.) Mill) and red spruce (Picearubens Sarg.).”
✓ located verbatim in the source · abstract, characters 0–183

Title

Sapwood area as an estimator of foliage biomass and projected leaf area for Abiesbalsamea and Picearubens

Peter J. Marchand Canadian Journal of Forest Research 1984. doi:10.1139/x84-016

Other claims from this paper (8)

Association Sapwood area correlated strongly with red spruce projected leaf area.
Method / resource Breast-height sapwood predicted balsam fir foliage mass with R = 0.978.
Method / resource Breast-height sapwood predicted balsam fir projected leaf area with R = 0.952.
Method / resource Breast-height sapwood predicted red spruce foliage mass with R = 0.914.
Method / resource Breast-height sapwood predicted red spruce projected leaf area with R = 0.934.
Method / resource Regressions improved when sapwood area was measured at the base of the live crown.
Association The balsam fir sapwood–foliage relationship was similar across three contrasting sites.
Method / resource Foliage area can be predicted from increment cores with high certainty across stand conditions and tree vigor.

Associationobservedoriginal resultmeasured

Claim · model-written summary

After one growing season, type 2 plants carried a greater foliage biomass than type 1 plants.

Taxon: Scots pinePinus sylvestrist0
Material: type 2 plantse0
Outcome: foliage biomasse0
Direction: greatere0
Comparator: 1-year-old type plantse0

Verbatim

e0
“After one growing season, type 2 plants were shorter, had fewer stem units for shoot elongation in the second season, but carried a greater foliage biomass than 1-year-old type plants”
✓ located verbatim in the source · abstract, characters 490–673

t0
“Scots pine”
✓ located verbatim in the source · title, characters 58–68

Title

Shoot morphology and shoot growth potential in 1-year-old Scots pine seedlings

S. Thompson Canadian Journal of Forest Research 1981. doi:10.1139/x81-113

Other claims from this paper (7)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Total stump sprout biomass, excluding foliage, was 433 kg/ha after whole-tree removal and 679 kg/ha after conventional harvest.

Taxon: upland hardwoodst0
Treatment: whole-tree removale3
Outcome: total stump sprout biomass, excluding foliagee3
Direction: lowerinferrede3
Value: 433 kg/hae3
Qualifier: 679 kg/hae3
Comparator: conventional harveste3

Verbatim

t0
“regeneration in upland hardwoods”
✓ located verbatim in the source · title, characters 11–43

e3
“Conservative estimates of total stump sprout biomass, excluding foliage, 1year after whole-tree removal averaged 433 kg/ha and after conventional harvest averaged 679 kg/ha”
✓ located verbatim in the source · abstract, characters 1215–1387

Title

First-year regeneration in upland hardwoods after two levels of residue removal

L. K. Mann Canadian Journal of Forest Research 1984. doi:10.1139/x84-062

Other claims from this paper (7)

Intervention effect Average sprout production was greater after conventional harvest than after whole-tree removal.
Intervention effect Stump sprouts were taller and denser after conventional harvest.
Intervention effect Most species produced more seedlings after residue removal.
Intervention effect Maximum sprout heights of Quercus prinus, Quercus velutina and Acer rubrum were greater on the conventionally harvested area.
Intervention effect Sprouts of Liriodendron tulipifera and Oxydendrum arboreum averaged taller after residue removal.
Intervention effect Biomass of grape (Vitis spp.) was least following whole-tree removal.
Association Sprout number and biomass per stump peaked at about 30 cm stump diameter in a binomial-shaped distribution.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Mistletoe foliage biomass was 36 g m-2

Taxon: Nothofagus solandri var. cliffortioidesNothofagus cliffortioidese0
Interactor: Alepisflavidae4parasite
Outcome: foliage biomasse5
Value: 36g m-2e5

Verbatim

e0
“The spatial and physical characteristics of foliage varied systematically with canopy height in a broad-leaved evergreen forest of Nothofagus solandri var. cliffortioides (Hook.f.) Poole (mountain beech) in the Craigieburn Range, South Island, New Zealand”
✓ located verbatim in the source · abstract, characters 0–255

e4
“Mistletoe (Alepisflavida [Hook.f.] Tiegh) was present in the canopy and had a leaf area index of 0-14, and a stem silhouette area index of 0-02”
✓ located verbatim in the source · abstract, characters 847–990

e5
“Total beech and mistletoe foliage biomass was 1183 and 36g m-2 respectively and total beech and mistletoe foliage nitrogen mass was 12 3 and 037g m2”
✓ located verbatim in the source · abstract, characters 992–1140

Title

Addendum: Canopy Organization and Foliage Photosynthetic Capacity in a Broad-Leaved Evergreen Montane Forest

D. Y. Hollinger Functional Ecology 1989. doi:10.2307/2389382

Other claims from this paper (10)

Association Leaf inclination angle, leaf weight per unit area and leaf nitrogen concentration decreased with canopy depth
Association Leaf photosynthetic capacity and leaf reflectance decreased with canopy depth
Mechanism Depth-related leaf changes are expected to give greater canopy carbon gain
Observation Mean leaf area index of the Nothofagus foliage was 6.7
Observation Mean branch silhouette area index of the Nothofagus canopy was 1.4
Observation Mistletoe leaf area index in the canopy was 0.14
Observation Mistletoe stem silhouette area index in the canopy was 0.02
Observation Total beech foliage biomass was 1183 g m-2
Observation Total beech foliage nitrogen mass was 12.3
Observation Mistletoe foliage nitrogen mass was 0.37 g m-2

Associationobservedoriginal resultmeasured

Claim · model-written summary

Electrical resistance was inversely and nonlinearly correlated with specific volume increment, total foliar biomass and combined foliage weight in young balsam fir.

Taxon: balsam firAbies balsameae0
Treatment: electrical resistancee0
Outcome: specific volume increment, total foliar biomass, and the combined weight of the current and 1-year-old foliagee0
Direction: inverselye0
Qualifier: nonlineare0

Verbatim

e0
“Electrical resistance in young balsam fir (Abiesbalsamea (L.) Mill.) trees was inversely (nonlinear) correlated with specific volume increment, total foliar biomass, and the combined weight of the current and 1-year-old foliage”
✓ located verbatim in the source · abstract, characters 0–227

Title

Electrical resistance measurements on young balsam fir trees in relation to specific volume increment, foliar biomass, and ion content of bark and wood

H. Plene; R. G. Thompson; J. E. McIsaac; et al. Canadian Journal of Forest Research 1984. doi:10.1139/x84-034

Other claims from this paper (2)

“biomass in foliage”

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Over time

Claim type

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