"Attribute_Name"	"ORDER"	"Storage_Type"	"Measurement_Scale"	"Number_Type"	"UNITS"	"DESCRIPTION"	"CODES"
"YEAR"	1	"d"	"date-Time"	"n/a"	"nominalYear"	"Year data were collected"	"YYYY"
"BLOCK"	2	"s"	"nominal"	"n/a"	"n/a"	"block or replicate of ESA treatments where HUMUS treatments were applied and data were collected"	"E=East and W=West"
"ESA_TRT"	3	"s"	"nominal"	"n/a"	"n/a"	"historical treatments from ESA study"	"C=control; W= water or irrigation; N= Nitrogen; WN= Water and Nitrogen"
"ROW"	4	"s"	"nominal"	"n/a"	"n/a"	"Permanent row established to apply sub-plot treatments and sampled"	"1,2,3"
"SUB-PLOT"	5	"s"	"nominal"	"n/a"	"n/a"	"treatment for Humus experiment, which was overlaid on the ESA experiment"	"1=control; 2=suger; 3=lignin; 4=sawdust; 5=lignin+sugar; 6=sawdust+sugar"
"SPECIES"	6	"s"	"nominal"	"n/a"	"n/a"	"species codes used to recorddensity or number of plants obsvered within the plot"	"see SGS-LTER Species List: http://hdl.handle.net/10217/80451"
"DENSITY_M2"	7	"I"	"ratio"	"integer"	"number"	"count of number of species rooted within the square meter plot"	
