Abstract
Biomass and nutrients (mainly nitrogen (N) and phosphorus (P)) of Pinus koraiensis Sieb. et Zucc. were reviewed for plantations and naturally occurring stands in Korea. Slopes of allometric equations to estimate biomass were very similar for different locations while intercepts were different both for plantations and naturally occurring stands. Aboveground biomass ranged from 5.5 Mg ha -1 for the 7-year-old plantation to 339.9 Mg ha -1 for the 74-year-old plantation, and stem contained approximately more than 50% of aboveground biomass. In naturally occurring stands, seedling aboveground biomass ranged from 2.2 to 6.6. Mg ha -1 depending on locations, and the contribution of foliage to aboveground biomass was similar to or even sometimes higher than that of stem. Nitrogen and P contents in overstory aboveground vegetation significantly increased with plantation age. Foliage of P. koraiensis in naturally occurring stands contained 56-62% of N and 43-57% of P in total above- plus belowground nutrient contents. Total ecosystem N and P contents of P. koraiensis plantations ranged from 4180 kg ha -1 to 8990 kg ha -1 depending on age, and soils were the largest N and P pools. Nitrogen uptake and retention rapidly increased during the early growing stage due to biomass increase. As the precipitation passes through the canopy its chemistry changed significantly; throughfall and stemflow during the growing season were enriched in all cations and anions.
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Claims 15
Claim · model-written summary
Allometric biomass equation slopes were similar across locations.
Not reportedTaxonDirection
Verbatim
e0“Slopes of allometric equations to estimate biomass were very similar for different locations while intercepts were different both for plantations and naturally occurring stands.”
t0“Pinus koraiensis”
Claim · model-written summary
Allometric biomass equation intercepts differed across stands.
- Taxon
- Pinus koraiensis
Pinus koraiensist0 - Outcome
- interceptse0
- Setting
- different locationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Slopes of allometric equations to estimate biomass were very similar for different locations while intercepts were different both for plantations and naturally occurring stands.”
t0“Pinus koraiensis”
Claim · model-written summary
Aboveground biomass ranged from 5.5 to 339.9 Mg ha -1 across plantation ages.
- Taxon
- Pinus koraiensisPinus koraiensist0
- Outcome
- Aboveground biomasse0
- Value
- 5.5 Mg ha -1e0
- Qualifier
- 74-year-old plantatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Aboveground biomass ranged from 5.5 Mg ha -1 for the 7-year-old plantation to 339.9 Mg ha -1 for the 74-year-old plantation”
t0“Pinus koraiensis”
Claim · model-written summary
Stems held more than half of aboveground biomass.
- Taxon
- Pinus koraiensisPinus koraiensist0
- Organ / stage
- steme0
- Outcome
- aboveground biomasse0
- Value
- more than 50%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stem contained approximately more than 50% of aboveground biomass.”
t0“Pinus koraiensis”
Claim · model-written summary
Seedling aboveground biomass varied between 2.2 and 6.6 Mg ha -1 by location.
- Taxon
- Pinus koraiensisPinus koraiensist0
- Organ / stage
- seedlinge0
- Outcome
- aboveground biomasse0
- Value
- 2.2 to 6.6. Mg ha -1e0
- Setting
- naturally occurring standse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In naturally occurring stands, seedling aboveground biomass ranged from 2.2 to 6.6. Mg ha -1 depending on locations”
t0“Pinus koraiensis”
Claim · model-written summary
Foliage contributed as much or more aboveground biomass than stems in some natural stands.
- Taxon
- Pinus koraiensisPinus koraiensist0
- Organ / stage
- foliagee0
- Outcome
- contribution of foliage to aboveground biomasse0
- Direction
- highere0
- Comparator
- steme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the contribution of foliage to aboveground biomass was similar to or even sometimes higher than that of stem.”
t0“Pinus koraiensis”
Claim · model-written summary
Overstory nitrogen content increased with plantation age.
- Taxon
- Pinus koraiensisPinus koraiensist0
- Organ / stage
- overstory aboveground vegetatione0
- Outcome
- Nitrogene0
- Direction
- increasede0
- Setting
- plantatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen and P contents in overstory aboveground vegetation significantly increased with plantation age.”
t0“Pinus koraiensis”
Claim · model-written summary
Overstory phosphorus content increased with plantation age.
- Taxon
- Pinus koraiensisPinus koraiensist0
- Organ / stage
- overstory aboveground vegetatione0
- Outcome
- P contentse0
- Direction
- increasede0
- Setting
- plantatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen and P contents in overstory aboveground vegetation significantly increased with plantation age.”
t0“Pinus koraiensis”
Claim · model-written summary
Foliage held 56–62% of total nitrogen in natural stands.
- Taxon
- P. koraiensisPinus koraiensise0
- Organ / stage
- Foliagee0
- Outcome
- Ne0
- Value
- 56-62%e0
- Setting
- naturally occurring standse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliage of P. koraiensis in naturally occurring stands contained 56-62% of N and 43-57% of P in total above- plus belowground nutrient contents.”
Claim · model-written summary
Foliage held 43–57% of total phosphorus in natural stands.
- Taxon
- P. koraiensisPinus koraiensise0
- Organ / stage
- Foliagee0
- Outcome
- Pe0
- Value
- 43-57%e0
- Setting
- naturally occurring standse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Foliage of P. koraiensis in naturally occurring stands contained 56-62% of N and 43-57% of P in total above- plus belowground nutrient contents.”
Claim · model-written summary
Plantation ecosystem nitrogen and phosphorus pools ranged from 4180 to 8990 kg ha -1 with age.
- Taxon
- P. koraiensisPinus koraiensise0
- Outcome
- Total ecosystem N and P contentse0
- Value
- 4180 kg ha -1 to 8990 kg ha -1e0
- Setting
- plantationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total ecosystem N and P contents of P. koraiensis plantations ranged from 4180 kg ha -1 to 8990 kg ha -1 depending on age”
Claim · model-written summary
Soils were the largest nitrogen and phosphorus pools in plantations.
- Taxon
- Pinus koraiensisPinus koraiensist0
- Outcome
- largest N and P poolse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soils were the largest N and P pools.”
t0“Pinus koraiensis”
Claim · model-written summary
Nitrogen uptake and retention rose rapidly during early growth.
- Taxon
- Pinus koraiensisPinus koraiensist0
- Organ / stage
- early growing stagee0
- Outcome
- Nitrogen uptake and retentione0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Nitrogen uptake and retention rapidly increased during the early growing stage due to biomass increase.”
t0“Pinus koraiensis”
Claim · model-written summary
Canopy passage changed precipitation chemistry significantly.
- Taxon
- Pinus koraiensisPinus koraiensist0
- Organ / stage
- canopye0
- Outcome
- chemistrye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“As the precipitation passes through the canopy its chemistry changed significantly”
t0“Pinus koraiensis”
Claim · model-written summary
Growing-season throughfall and stemflow were enriched in ions.
- Taxon
- Pinus koraiensisPinus koraiensist0
- Outcome
- throughfall and stemflowe0
- Direction
- enrichede0
- Qualifier
- during the growing seasone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“throughfall and stemflow during the growing season were enriched in all cations and anions.”
t0“Pinus koraiensis”