Leaf Area Index (LAI)

Leaf Area Index data from the KBS GLBRC Intenisve Site.

This datatable is part of the KBS GLBRC Annual Net Primary Productivity dataset. 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.

Note

Experiment: GLBRC Biofuel Cropping System Experiment
Data available from: June 2009 to November 2016
Dataset: KBS063
Datatable ID: kbs063-008.48
Core Areas Primary Production,Disturbance
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Personnel:
Last Updated 2017-12-18
Variate Description Units
sample date measurement date
local time the local time in the easter time zone. includes eastern standard time and daylight saving time depending on the 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

sample_date local_time treatment replicate direction lai sel difn mta sem smp comments
2016-11-04 12:28:38+00 2016-11-04 08:28:38 G8 R1 EP1 1.08
2016-11-04 12:28:19+00 2016-11-04 08:28:19 G8 R1 EP2 0.73
2016-11-04 12:27:55+00 2016-11-04 08:27:55 G8 R1 EP3 0.83
2016-11-04 12:26:46+00 2016-11-04 08:26:46 G8 R1 WP1 1.03
2016-11-04 12:26:28+00 2016-11-04 08:26:28 G8 R1 WP2 0.65
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