Attribute_Name	ORDER	Storage_Type	Measurement_Scale	Number_Type	UNITS	DESCRIPTION	CODES
year	1	a	nominal	integer	nominalYear	1996-2001	96, 97, 98, 99, 2000, 2001
doy	2	a	nominal	integer	nominalDay	day of year	n/a
species	3	a	nominal	n/a	dimensionless	species or functional groups	BG=Boulteloua gracilis; PS=Pascopyrum smithii; SC=Stipa comata; FO =forbs; CAEL=Carex spp.; C3= other C3 grasses; C4=other C4 grasses
co2trt	4	a	nominal	n/a	dimensionless	see reference:	C=unchambered plots; A=ambient CO2 chambered plots; H=720ppm CO2 chambered plots
rep	5	a	nominal	n/a	dimensionless	field block	1,2,3
organ	6	a	nominal	n/a	dimensionless	plant organ	LF=leaf; ST=stem; SHT=shoot
starch dw	7	f	ratio	real	microgramsPerGram	tissue starch	n/a
hexose dw	8	f	ratio	real	microgramsPerGram	tissue hexose	n/a
sucrose dw	9	f	ratio	real	microgramsPerGram	tissue sucrose	n/a
fructose dw	11	f	ratio	real	microgramsPerGram	tissue fructose	n/a
TNC	12	f	ratio	real	microgramsPerGram	total-non-structural carbohydrates	n/a
%N	13	a	ratio	real	dimensionless	percent tissue nitrogen	n/a
%C	14	a	ratio	real	dimensionless	percent tissue carbon	n/a
starch SDW	15	f	ratio	real	microgramsPerGram	starch on a structural dry weight basis	n/a
hexose SDW	16	f	ratio	real	microgramsPerGram	hexose on a structural dry weight basis	n/a
sucrose SDW	17	f	ratio	real	microgramsPerGram	sucrose on a structural dry weight basis	n/a
fructose SDW	18	f	ratio	real	microgramsPerGram	fructose on a structural dry weight basis	n/a
TNC SDW	19	f	ratio	real	microgramsPerGram	TNC on a structural dry weight basis	n/a
N SDW	20	f	ratio	real	dimensionless	percent nitrogen on a structural dry weight basis	n/a
CSDW	21	f	ratio	real	dimensionless	percent carbon on a structural dry weight basis	n/a
unknown_attribute	10	f	ratio	real	microgramsPerGram	attribute metadata unavailable	units are a guess
