Paper · 1984 · Canadian Journal of Forest Research

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.

3
claims
5
verbatim quotes
7
citations
2
research areas
—
Not open access

Abstract

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. These relationships were stronger before budbreak than after. No relationship existed between concentrations of N, P, K, Ca, and Mg in the bark and wood collected around time of budbreak, and electrical resistance.

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Claims 3

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

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

Abies balsamea
Abies balsamea · TaxonRyan Hodnett · CC BY-SA 4.0 · Wikimedia Commons ↗

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 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

The correlations between electrical resistance and the tree variables were stronger before budbreak than after.

Taxon
balsam firAbies balsameae0
Outcome
relationshipse1
Direction
strongere1
Comparator
aftere1
Setting
before budbreake1

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

Abies balsamea
Abies balsamea · TaxonRyan Hodnett · CC BY-SA 4.0 · Wikimedia Commons ↗

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 · show in text ↑
e1

“These relationships were stronger before budbreak than after”

✓ located verbatim in the source · abstract, characters 229–289 · show in text ↑
Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

Concentrations of N, P, K, Ca and Mg in bark and wood showed no relationship with electrical resistance around budbreak.

Taxon
balsam firAbies balsameae0
Organ / stage
bark and woode2
Compound
N, P, K, Ca, and Mge2
Outcome
electrical resistancee2
Direction
No relationshipe2
Setting
around time of budbreake2

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

Abies balsamea
Abies balsamea · TaxonRyan Hodnett · CC BY-SA 4.0 · Wikimedia Commons ↗

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 · show in text ↑
e2

“No relationship existed between concentrations of N, P, K, Ca, and Mg in the bark and wood collected around time of budbreak, and electrical resistance”

✓ located verbatim in the source · abstract, characters 291–442 · show in text ↑