KBS045:Primary Production of Forested Systems of the Main Cropping System Experiment
This dataset contains the data needed to determine the biomass and aboveground net primary production (ANPP) in the Coniferous (TCF) and Deciduous (TDF) Forest sites of the LTER Main Cropping System Experiment (MCSE). Allometric equations are used to estimate the standing woody biomass (since 1998) of each tree, based on the diameter at breast height (DBH; for trees >5 cm in diameter), typically measured in January. Annual woody production is estimated as the difference in the woody biomass of each tree between consecutive years and annual primary production as the sum of annual woody production and leaf production. Leaf production is estimated as the biomass of leaf litter collected in litter traps deployed in late summer through leaf fall. Litter collected from Poplar (T5) and Mid-successional (TSF) plots is also included.
- Status: active
- Temporal Coverage 1991-01-01 to 2023-01-26
- Repository Link https://doi.org/10.6073/pasta/b07ff1f1366f4252d651f2b45710f3d8
Tables
- KBS019-006 Litter Trap Biomass
Biomass of leaf litter in the MCSE Mid-successional (TSF) and Forested (TCF, TDF) sites. Litter is collected every one-two weeks from litter traps placed on the ground from late summer through leaf fall.
- KBS019-015 Tree Woody Biomass via DBH
Woody biomass of individual trees of the MCSE Coniferous (CF) and Deciduous (DF) Forest sites as estimated by allometric equations using annual measurements of stem diameter at breast height (DBH; for trees >5 cm in diameter). For raw DBH measurements, see table KBS019-017.
- KBS019-017 Tree DBH (Raw Data)
Diameter at breast height (DBH) of individual trees of the MCSE Coniferous (CF) and Deciduous (DF) Forest sites, measured annually during winter (usually January) at 4 points along the stem for all trees >5 cm DBH.
- KBS019-020 Proportional Biomass of Tree Species
Woody biomass of a given tree species relative to the total woody biomass of all trees in the MCSE Coniferous (CF) and Deciduous (DF) Forest sites, expressed as a proportion and averaged over each replicate site. For individual tree woody biomass, see table KBS019-015.
- KBS019-022 Forest Aboveground Net Primary Production
Aboveground net primary production (ANPP) of the MCSE Coniferous (TCF) and Deciduous (TDF) Forest sites, calculated as the sum of annual woody biomass production of all trees, as estimated from allometric equations and annual measurements of DBH, and leaf production, as estimated from litter traps.
- kbs019-024 Forest Annual Production of Woody Biomass
Annual production of woody biomass for all trees in the MCSE Coniferous (CF) and Deciduous (DF) Forest sites. Data are determined from table KBS019-015 by summing the total woody biomass of each site in a given year and subtracting the total woody biomass of that site in the previous year, then dividing by the total area of each site.
- KBS019-028 Mid-successional Understory Biomass
Aboveground biomass of non-crop species (i.e., species other than main crop and/or cover crop) in LTER MCSE Mid-successional forest treatments (TSF) at or near peak biomass.