Forest Aboveground Net Primary Productivity — Main Cropping System Experiment (MCSE)

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The annual biomass production in the forested plots estimated from stem diameters and leaf trap data. Species specific allometric equations are used to calculate the woody biomass increment.

This datatable is part of the Forest Increment Survey dataset. In 1998, a new protocol was instituted for measuring the diameters of every tree greater than 5 cm dbh in the coniferous and deciduous forest plots. Trees are usually measured in January. Exponential equations are used to estimate tree mass for each year. The goal is to estimate wood production for any given time period (usually one year) as the difference between two estimates of mass.

Note

Experiment: Main Cropping System Experiment (MCSE)
Data available from: January 1999 to January 2018
Dataset: KBS045
Datatable ID: KBS019-022.64
Core Areas Primary Production,Disturbance
Repository link: http://doi.org/10.6073/pasta/b07ff1f1366f4252d651f2b45710f3d8
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Last Updated 2022-07-08
Variate Description Units
Year year that the biomass growth in credited in
treatment treatment the sample was taken from
replicate replicate plot that the sample was taken from
leaf biomass kg m2 year Leaf biomass collected by the litter traps kg/m2/year
woody biomass kg m2 year Woody biomass from DBH measurements kg/m2/year
biomass kg m2 year annual biomass accumulation per square meter kg/m2/year

Data Excerpt

year treatment replicate leaf_biomass_kg_m2_year woody_biomass_kg_m2_year biomass_kg_m2_year
2021 TCF R1 0.06 0.17 0.24
2021 TCF R2 0.05 0.25 0.3
2021 TCF R3 0.04 0.68 0.72
2021 TDF R1 0.09 0.25 0.34
2021 TDF R2 0.08 1.04 1.12
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