Paper · 1983

Effect of severing method and stump height on coppice growth

John B. Crist; James A. Mattson; Sharon A. Winsauer

6
claims
12
verbatim quotes
8
citations
2
research areas
—
Not open access

Abstract

In this study we evaluated the effect of stem severing method and stump height on coppice growth in a short-rotation intensively cultured Populus plantation 1, 2, and 3 years after cutting. Initially, stumps 46 cm high had smaller and significantly more sprouts than either 8 or 15 cm high stumps. However, the dominant sprouts were not affected by the stump height. After subsequent growing seasons, the dominant sprouts were the only ones to survive, and no effect of stump height was present. Severing method - shearing or chain sawing - did not affect coppicing as long as the stumps were not excessively damaged during the original harvest.

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Claims 6

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Initially, 46 cm stumps had smaller sprouts than 8 or 15 cm stumps.

Taxon
PopulusPopuluse1
Treatment
stumps 46 cm highe0
Outcome
sproutse0
Direction
smallere0
Comparator
8 or 15 cm high stumpse0

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

Populus
Populus · Taxon · picture of the genus (one of its species)Christian Fischer · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Initially, stumps 46 cm high had smaller and significantly more sprouts than either 8 or 15 cm high stumps.”

✓ located verbatim in the source · abstract, characters 190–297 · show in text ↑
e1

“Populus plantation”

✓ located verbatim in the source · abstract, characters 138–156 · show in text ↑
Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Initially, 46 cm stumps had significantly more sprouts than 8 or 15 cm stumps.

Taxon
PopulusPopuluse1
Treatment
stumps 46 cm highe0
Outcome
sproutse0
Direction
significantly moree0
Comparator
8 or 15 cm high stumpse0

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

Populus
Populus · Taxon · picture of the genus (one of its species)Christian Fischer · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Initially, stumps 46 cm high had smaller and significantly more sprouts than either 8 or 15 cm high stumps.”

✓ located verbatim in the source · abstract, characters 190–297 · show in text ↑
e1

“Populus plantation”

✓ located verbatim in the source · abstract, characters 138–156 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Stump height did not affect the dominant sprouts initially.

Taxon
PopulusPopuluse1
Treatment
stump heighte0
Outcome
dominant sproutse0
Direction
not affectede0

Not reportedComparator

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

Populus
Populus · Taxon · picture of the genus (one of its species)Christian Fischer · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“However, the dominant sprouts were not affected by the stump height.”

✓ located verbatim in the source · abstract, characters 298–366 · show in text ↑
e1

“Populus plantation”

✓ located verbatim in the source · abstract, characters 138–156 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

After subsequent growing seasons, only dominant sprouts survived.

Taxon
PopulusPopuluse1
Outcome
dominant sprouts were the only ones to survivee0
Qualifier
After subsequent growing seasonse0

Not reportedDirection

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

Populus
Populus · Taxon · picture of the genus (one of its species)Christian Fischer · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“After subsequent growing seasons, the dominant sprouts were the only ones to survive”

✓ located verbatim in the source · abstract, characters 367–451 · show in text ↑
e1

“Populus plantation”

✓ located verbatim in the source · abstract, characters 138–156 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

After subsequent growing seasons, stump height had no effect.

Taxon
PopulusPopuluse1
Treatment
stump heighte0
Outcome
dominant sproutse0
Direction
no effecte0
Qualifier
After subsequent growing seasonse0

Not reportedComparator

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

Populus
Populus · Taxon · picture of the genus (one of its species)Christian Fischer · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“After subsequent growing seasons, the dominant sprouts were the only ones to survive, and no effect of stump height was present.”

✓ located verbatim in the source · abstract, characters 367–495 · show in text ↑
e1

“Populus plantation”

✓ located verbatim in the source · abstract, characters 138–156 · show in text ↑
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Shearing did not differ from chain sawing in coppicing provided stumps were not excessively damaged.

Taxon
PopulusPopuluse1
Treatment
shearinge0
Outcome
coppicinge0
Direction
did not affecte0
Qualifier
as long as the stumps were not excessively damaged during the original harveste0
Comparator
chain sawinge0

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

Populus
Populus · Taxon · picture of the genus (one of its species)Christian Fischer · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“Severing method - shearing or chain sawing - did not affect coppicing as long as the stumps were not excessively damaged during the original harvest.”

✓ located verbatim in the source · abstract, characters 496–645 · show in text ↑
e1

“Populus plantation”

✓ located verbatim in the source · abstract, characters 138–156 · show in text ↑