Dataset

Biodiversity II: Effects of Plant Biodiversity on Population and Ecosystem Processes - Experiment 120

Soil nitrogen

Years Available: 1994 - 2017

Principle Investigators

Tilman, David
Reich, Peter
Knops, Johannes
Wedin, David

View All Experiment and Dataset Methods

Environmental Data Initiative data package

EDI Package ID	DOI
knb-lter-cdr.278.10	doi:10.6073/pasta/9b55ae5a418c59fb8e3d7088c3591fc5

ATTRIBUTES

Field	Name	Definition	Unit	Code
1	Year	Year
2	Plot	Plot
3	Depth	Depth in cM
4	NumSp	Number of species planted in plot as specified by treatment	dimensionless
5	SpNum	Number of species planted in plot including seed contaminent and replacement for species belived to have bad seed	dimensionless
6	FgNum	Number of Functional groups planted	dimensionless
7	Fgset	Functional Groups planted		3= c3grass, 4 = c4 grass, L = Legume, F = Forbs, W = Woody
8	C3	C3 Group was planted in plot		1=planted, 0=not planted
9	C4	C4 Group was planted in plot		1=planted, 0=not planted
10	Forb	Forbs was planted in plot		1=planted, 0=not planted
11	Legume	Legume was planted in plot		1=planted, 0=not planted
12	Woody	Woody was planted in plot		1=planted, 0=not planted
13	Achmi	Achillea millefolium(lanulosa) was planted in plot		1=planted, 0=not planted
14	Agrsm	Agropyron smithii was planted in plot		1=planted, 0=not planted
15	Amoca	Amorpha canescens planted in plot		1=planted, 0=not planted
16	Andge	Andropogon gerardi was planted in plot		1=planted, 0=not planted
17	Asctu	Asclepias tuberosa was planted in plot		1=planted, 0=not planted
18	Elyca	Elymus canadensis was planted in plot		1=planted, 0=not planted
19	Koecr	Koeleria cristata was planted in plot		1=planted, 0=not planted
20	Lesca	Lespedeza capitata was planted in plot		1=planted, 0=not planted
21	Liaas	Liatris aspera was planted in plot		1=planted, 0=not planted
22	Luppe	Lupinus perennis was planted in plot		1=planted, 0=not planted
23	Monfi	Monarda fistulosa was planted in plot		1=planted, 0=not planted
24	Panvi	Panicum virgatum was planted in plot		planted=1, not planted=0
25	Petpu	Petalostemum purpureum was planted in plot		planted=1, not planted=0
26	Poapr	Poa pratensis was planted in plot		1=planted, 0=not planted
27	Queel	Quercus ellipsoidalis was planted in plot		1=planted, 0=not planted
28	Quema	Quercus macrocarpa was planted in plot		1=planted, 0=not planted
29	Schsc	Schizachyrium scoparium was planted in plot		1=planted, 0=not planted
30	Sornu	Sorghastrum nutans was planted in plot		1=planted, 0=not planted
31	SoilN(%)	Percent Nitrogen of soil sample	dimensionless

SAMPLE DATASET

Year	Plot	Depth	NumSp	SpNum	FgNum	Fgset	C3	C4	Forb	Legume	Woody	Achmi	Agrsm	AmoPet	Andge	Asctu	Elyca	Koecr	Lesca	Liaas	Luppe	MonSol	Panvi	Petpu	Poapr	Queel	Quema	Schsc	Sornu	pTotalNs
1994	2	0-20 cm	1	1	1	L	0	0	0	1	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0.034
1994	2	20-40 cm	1	1	1	L	0	0	0	1	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0.028
1994	2	40-60 cm	1	1	1	L	0	0	0	1	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0.018
1994	2	60-100 cm	1	1	1	L	0	0	0	1	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0.016
1994	3	0-20 cm	4	5	2	4F	0	1	1	0	0	0	0	0	0	1	0	0	0	1	0	1	1	0	0	0	0	0	0	0.043
1994	3	20-40 cm	4	5	2	4F	0	1	1	0	0	0	0	0	0	1	0	0	0	1	0	1	1	0	0	0	0	0	0	0.025
1994	3	40-60 cm	4	5	2	4F	0	1	1	0	0	0	0	0	0	1	0	0	0	1	0	1	1	0	0	0	0	0	0	0.02
1994	3	60-100 cm	4	5	2	4F	0	1	1	0	0	0	0	0	0	1	0	0	0	1	0	1	1	0	0	0	0	0	0	0.015
1994	5	0-20 cm	1	1	1	4	0	1	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.037
1994	5	20-40 cm	1	1	1	4	0	1	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.027
1994	5	40-60 cm	1	1	1	4	0	1	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.026
1994	5	60-100 cm	1	1	1	4	0	1	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.016

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