Poplar (T5) Leaf Litter Biomass — Main Cropping System Experiment (MCSE)
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Biomass of leaf litter in the MCSE Poplar treatment (T5). Litter is collected every one-two weeks from litter traps placed on the ground from late summer through leaf fall. When trees are newly planted and small, a larger sampling quadrat may be used, placed on the ground, and the litter within directly sampled.
This datatable is part of the Primary Production of the Poplar Treatment of the Main Cropping System Experiment dataset.
This dataset contains allometric and areal biomass data for the Poplar treatment (T5) of the Main Cropping System Experiment (MCSE) at the LTER Main Site. The Poplar treatment is managed as a short-rotation woody biomass system on an approximate 10-year rotation cycle with replanting or coppicing after harvest. Rotations are as follows:
- First: planted in April 1989 with stem cuttings of Populus nigra x P. deltoids hybrid at a stocking density of 1 tree per 2 square meter, harvested in February 1999.
- Second: trees allowed to coppice after 1999 harvest, coppicing produced multiple stems per tree, coppiced regrowth harvested in January 2008.
- Third: planted in May 2009, after a fallow year, with stem cuttings of Populus nigra x P. maximowiczii at a density of 1 tree per 3.6 square meter, harvested in February 2018.
- Fourth: planted in June 2019, after a fallow year, with stem cuttings of Populus nigra x P. maximowiczii at a density of 1 tree per 3.6 square meter.
For further information on poplar management, search the KBS Aglog.
Note
Experiment: | Main Cropping System Experiment (MCSE) |
Data available from: | January 1991 to December 2022 |
Dataset: | KBS094 |
Datatable ID: | KBS019-029.86 |
Core Areas | Primary Production |
Repository link: | http://doi.org/10.6073/pasta/11813b609a26b343cced93805b25a98b |
Related Tables: | |
Personnel: |
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Last Updated | 2024-03-18 |
Variate | Description | Units |
---|---|---|
Year | year of the growing season relevant for the sample | |
Campaign | a major multi-year research activity with a discreet purpose | |
Date | date on which sampling occured | |
Treatment | main experimental treatment | |
Replicate | replicate block, nested within treatment | |
Trap ID | a (sometimes arbitrary) code to distinguish among multiple litter traps in a given area | |
Biomass | dry mass of sampled material | g/m2 |
Sampled Area | total area of all traps contributing to the sample | |
sample method | The method used to estimate leaf fall, usually it's a litter trap but occasionally its a ground sample. |
Protocols |
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Data Excerpt
year | campaign | date | treatment | replicate | trap_id | biomass_g | sampled_area | sample_method |
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2022 | Litter Collection | 2022-11-29 | T5 | R1 | SEW | 2.74 | 0.96 | trap |
2022 | Litter Collection | 2022-11-29 | T5 | R1 | SNS | 0.0 | 0.96 | trap |
2022 | Litter Collection | 2022-11-04 | T5 | R1 | SEW | 2.4 | 0.96 | trap |
2022 | Litter Collection | 2022-10-21 | T5 | R1 | SEW | 3.53 | 0.96 | trap |
2022 | Litter Collection | 2022-11-04 | T5 | R1 | SNS | 15.7 | 0.96 | trap |