Abstract
Accounting for forest components in carbon accounting systems may be insufficient when substantial amounts of sequestered carbon are harvested and converted to wood products in use and in landfill. The potential of forest offset – in-woods aboveground carbon storage, carbon stored in harvested wood, and energy offset by burning harvested wood – from loblolly pine plantations was evaluated for greenhouse gas (GHG) mitigation over a half-century period. The in-woods carbon in well-managed loblolly pine plantations across the South totaled 341 million metric tons. This is equivalent to 20 percent of total energy-consumed GHG emission in the United States in 2006. Present-day carbon storage in southern pine plantations averaged 30.54 Mg•ha-1 (± 2.54 percent) for in-woods carbon. Annual wood production was 62.1 and 45.9 million green metric tons from pulpwood and sawtimber yield, respectively, with roughly one-fourth of the green weight being carbon. The carbon storage in wood products increased steadily over the half-century projection and showed no sign of leveling off, while the storage in plantations was found to remain constant or increase slightly over time. An additional 11 million metric tons of harvested carbon was used for energy per year on average, equivalent to 25 percent of annual forest-products-industry renewable energy use in U.S.A. Intensified application of fertilizers and herbicide and genetic improvement showed the potential to increase total storage in in-wood and harvested carbon pools as much as 30 percent, and energy offset up to 40 percent. Reducing management intensity greatly increased in-woods carbon storage potential, but eliminated the wood-products carbon sink.
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Claims 12
Claim · model-written summary
In-woods carbon in well-managed loblolly pine plantations across the South totaled 341 million metric tons.
- Taxon
- loblolly pine
Pinus taedae1 - Outcome
- in-woods carbone1
- Value
- 341 million metric tonse1
- Setting
- across the Southe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The in-woods carbon in well-managed loblolly pine plantations across the South totaled 341 million metric tons”
Claim · model-written summary
In-woods carbon storage is equivalent to 20 percent of total energy-consumed GHG emission in the United States in 2006.
- Taxon
- loblolly pinePinus taedae1
- Outcome
- in-woods carbone1
- Value
- 20 percente2
- Comparator
- total energy-consumed GHG emission in the United States in 2006e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The in-woods carbon in well-managed loblolly pine plantations across the South totaled 341 million metric tons”
e2“This is equivalent to 20 percent of total energy-consumed GHG emission in the United States in 2006”
Claim · model-written summary
Present-day carbon storage in southern pine plantations averaged 30.54 Mg•ha-1 for in-woods carbon.
Verbatim
e3“Present-day carbon storage in southern pine plantations averaged 30.54 Mg•ha-1 (± 2.54 percent) for in-woods carbon”
Claim · model-written summary
Annual wood production was 62.1 and 45.9 million green metric tons from pulpwood and sawtimber yield, respectively.
- Taxon
- loblolly pinePinus taedae1
- Outcome
- Annual wood productione4
- Value
- 62.1 and 45.9 million green metric tonse4
- Qualifier
- from pulpwood and sawtimber yield, respectivelye4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The in-woods carbon in well-managed loblolly pine plantations across the South totaled 341 million metric tons”
e4“Annual wood production was 62.1 and 45.9 million green metric tons from pulpwood and sawtimber yield, respectively”
Claim · model-written summary
Roughly one-fourth of the green weight of harvested wood is carbon.
- Taxon
- loblolly pinePinus taedae1
- Outcome
- carbone5
- Value
- roughly one-fourthe5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The in-woods carbon in well-managed loblolly pine plantations across the South totaled 341 million metric tons”
e5“with roughly one-fourth of the green weight being carbon”
Claim · model-written summary
Carbon storage in wood products increased steadily over the half-century projection without leveling off.
- Taxon
- loblolly pinePinus taedae1
- Outcome
- carbon storage in wood productse6
- Direction
- increased steadilye6
- Qualifier
- showed no sign of leveling offe6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The in-woods carbon in well-managed loblolly pine plantations across the South totaled 341 million metric tons”
e6“The carbon storage in wood products increased steadily over the half-century projection and showed no sign of leveling off”
Claim · model-written summary
Storage in plantations was projected to remain constant or increase slightly over time.
- Taxon
- loblolly pinePinus taedae1
- Outcome
- storage in plantationse7
- Direction
- remain constant or increase slightlye7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The in-woods carbon in well-managed loblolly pine plantations across the South totaled 341 million metric tons”
e7“while the storage in plantations was found to remain constant or increase slightly over time”
Claim · model-written summary
An additional 11 million metric tons of harvested carbon per year was used for energy, equivalent to 25 percent of annual forest-products-industry renewable energy use in U.S.A.
- Taxon
- loblolly pinePinus taedae1
- Outcome
- harvested carbon was used for energye2
- Value
- 11 million metric tonse2
- Qualifier
- equivalent to 25 percent of annual forest-products-industry renewable energy usee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The in-woods carbon in well-managed loblolly pine plantations across the South totaled 341 million metric tons”
e2“An additional 11 million metric tons of harvested carbon was used for energy per year on average, equivalent to 25 percent of annual forest-products-industry renewable energy use in U.S.A”
Claim · model-written summary
Intensified fertilizer, herbicide and genetic improvement application may increase total in-woods and harvested carbon storage by as much as 30 percent.
- Taxon
- loblolly pinePinus taedae1
- Treatment
- Intensified application of fertilizers and herbicide and genetic improvemente2
- Outcome
- total storage in in-wood and harvested carbon poolse2
- Direction
- increasee2
- Value
- 30 percente2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The in-woods carbon in well-managed loblolly pine plantations across the South totaled 341 million metric tons”
e2“Intensified application of fertilizers and herbicide and genetic improvement showed the potential to increase total storage in in-wood and harvested carbon pools as much as 30 percent”
Claim · model-written summary
Intensified fertilizer, herbicide and genetic improvement application may increase energy offset by up to 40 percent.
- Taxon
- loblolly pinePinus taedae1
- Treatment
- Intensified application of fertilizers and herbicide and genetic improvemente2
- Outcome
- energy offsete3
- Direction
- increaseinferrede3
- Value
- 40 percente3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The in-woods carbon in well-managed loblolly pine plantations across the South totaled 341 million metric tons”
e2“Intensified application of fertilizers and herbicide and genetic improvement showed the potential to increase total storage in in-wood and harvested carbon pools as much as 30 percent”
e3“and energy offset up to 40 percent”
Claim · model-written summary
Reducing management intensity greatly increased in-woods carbon storage potential in loblolly pine plantations.
- Taxon
- loblolly pinePinus taedae1
- Treatment
- Reducing management intensitye2
- Outcome
- in-woods carbon storage potentiale2
- Direction
- greatly increasede2
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The in-woods carbon in well-managed loblolly pine plantations across the South totaled 341 million metric tons”
e2“Reducing management intensity greatly increased in-woods carbon storage potential”
Claim · model-written summary
Reducing management intensity eliminated the wood-products carbon sink in loblolly pine plantations.
- Taxon
- loblolly pinePinus taedae1
- Treatment
- Reducing management intensitye2
- Outcome
- wood-products carbon sinke3
- Direction
- eliminatede3
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The in-woods carbon in well-managed loblolly pine plantations across the South totaled 341 million metric tons”
e2“Reducing management intensity greatly increased in-woods carbon storage potential”
e3“but eliminated the wood-products carbon sink”
The same questions in other papers
herbicide · molecular: metabolites · Pinus taeda (loblolly pine)Results agree
1 paper in the same direction as this paper
- positive
fertilization · molecular: metabolites · Pinus taeda (loblolly pine)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
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.