GLBRC Sustainability Data Catalog

Switchgrass Stand Counts

Vogel and Masters 2001 method was used to determine switchgrass establishment success and survivorship.
Kenneth P. Vogel and Robert A. Masters, Frequency Grid: A Simple Tool for Measuring Grassland Establishment, Journal of Range Management, Vol. 54, No. 6 (Nov., 2001), pp. 653-655

This datatable is part of the GLBRC Annual Net Primary Productivity dataset. This dataset contains the aboveground biomass data. Annual net primary production (ANPP) data 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: January 2012
Dataset: GLBRC082
Datatable ID: GLBRC_010.57
Related Tables:
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Last Updated 2017-12-18
Variate Description Units
year year of measurement
sample date sampling date
site location of plots
replicate replicate nested in treatment
count1 a present/absent count over 100 points number
count2 a present/absent count over 100 points number
count3 a present/absent count over 100 points number
average stand count a present/absent count over 100 points number
wi plot id Arlington Wisconsin plot identifier
comments comment on given row

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Data Excerpt

year sample_date site replicate count1 count2 count3 average_stand_count wi_plot_id comments
2012 2012-05-15 KBS R4 75 75
2012 2012-05-15 KBS R5 64 64
2012 Arlington R1 47 54 55 52 112 3 random counts per plot using method of Vogel and Masters (2001)
2012 Arlington R2 41 5 51 32 206 3 random counts per plot using method of Vogel and Masters (2001)
2012 Arlington R3 70 95 75 80 303 3 random counts per plot using method of Vogel and Masters (2001)
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