Abstract
Sugar maple dominates the northern hardwood forest, but grows over a broader geographic area. Conditions of soil and climate largely limit its distribution, and account for its less continuous cover along fringes of the range. Sugar maple regenerates readily following a wide range of overstory treatments. Success depends upon its status as advance regeneration, particularly under strategies favorable to less shade-tolerant species. In even-aged stands, trees of upper canopy positions grow well following release by cutting. Those of lower canopy positions do not. in uneven-aged stands, both small and large trees respond well to release. Diameter-limit cutting removes the best trees, often leaving stands in poor condition for growth and health. Damage to trees by natural agents and logging commonly leads to discoloration and decay, and often to dieback. Within the range of northern hardwoods, sugar maple seems generally healthy. Exceptions include stands damaged by defoliation, logging, and similar agents.
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Claims 6
Claim · model-written summary
Sugar maple dominates northern hardwood forest.
- Taxon
- Sugar maple
Acer saccharume0 - Outcome
- dominates the northern hardwood foreste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugar maple dominates the northern hardwood forest”
Claim · model-written summary
Soil and climate largely limit its distribution.
- Taxon
- Sugar mapleAcer saccharumt0
- Outcome
- distributione0
- Direction
- limite0
- Setting
- soil and climatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Conditions of soil and climate largely limit its distribution”
t0“Sugar maple”
Claim · model-written summary
Sugar maple regenerates readily after varied overstory treatments.
- Taxon
- Sugar mapleAcer saccharume0
- Treatment
- overstory treatmentse0
- Outcome
- regenerates readilye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Sugar maple regenerates readily following a wide range of overstory treatments”
Claim · model-written summary
Upper-canopy trees grow well after release cutting in even-aged stands.
- Taxon
- Sugar mapleAcer saccharumt0
- Treatment
- release by cuttinge0
- Outcome
- grow welle0
- Setting
- even-aged standse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In even-aged stands, trees of upper canopy positions grow well following release by cutting”
t0“Sugar maple”
Claim · model-written summary
Small and large trees respond well to release in uneven-aged stands.
- Taxon
- Sugar mapleAcer saccharumt0
- Treatment
- releasee0
- Outcome
- respond welle0
- Setting
- uneven-aged standse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in uneven-aged stands, both small and large trees respond well to release”
t0“Sugar maple”
Claim · model-written summary
Diameter-limit cutting leaves stands in poor growth and health condition.
- Taxon
- Sugar mapleAcer saccharumt0
- Treatment
- Diameter-limit cuttinge0
- Outcome
- poor condition for growth and healthe0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diameter-limit cutting removes the best trees, often leaving stands in poor condition for growth and health”
t0“Sugar maple”
The same questions in other papers
pruning · growth · Acer saccharum (sugar maple)Positive and negative results
1 paper in the same direction as this paper · 2 in the opposite direction
- positive
- positive
- no effect
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.