LTER Data Catalog

Leaf Area Index (LAI)

Leaf Area Index data from the KBS GLBRC Intenisve Site

The standard data use policy applies to the this dataset

Context:

This dataset contains the aboveground annual net primary production (ANPP) data on the KBS Great Lakes Bioenergy Research Center (GLBRC) intensive sites and GLBRC scale-up fields. This dataset contains the aboveground annual net primary production (ANPP) data. ANPP is measured at peak biomass for a given treatment. Additional ANPP measurements are made where appropriate such as occasional destructive harvests for poplar. See the ANPP protocols for descriptions of the sampling and measurement methods for each of the treatments. Below ground net primary production (BNPP) are available for these same sites.

Experiment: GLBRC Biofuel Cropping System Experiment
Temporal Coverage: 2009-06-11 to 2011-08-18
Dataset: KBS063
Datatable ID: kbs063-008.14
Related Tables:
Personnel:
Last Updated 2009-12-31
Metadata
Variate Description Units
sample date measurement date
treatment experimental treatment
replicate replicate nested within treatment
direction plant direction and number
lai leaf area index m^2/m^2
sel standard error of lai m^2/m^2
difn fraction of sky visible number
mta mean tilt angle degree
sem standard error of MTA degree
smp number of sample pairs used number
comments notes on data row

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Data Excerpt

Id Sample Date Treatment Replicate Direction Lai Sel Difn Mta Sem Smp Comments
1816 2011-08-18 12:59:00+00 G8 R1 EP2 3.7 0.21 0.05 53 6 3
1815 2011-08-18 12:58:00+00 G8 R1 EP1 2.92 0.13 0.09 12 27 3
1814 2011-08-18 12:58:00+00 G8 R1 NP2 3.92 0.06 0.03 8 23 3
1813 2011-08-18 12:57:00+00 G8 R1 NP1 3.76 0.12 0.04 18 17 3
1812 2011-08-18 12:57:00+00 G8 R1 WP2 4.13 0.18 0.03 37 3 3
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