Data Package Metadata View Summary

Temporal soil and foliar carbon and nitrogen stable isotope data from rainfall manipulation experiments at the Jornada Basin LTER, 2011-2020

General Information

Data Package:

Local Identifier:

knb-lter-jrn.210586001.17

Title:

Temporal soil and foliar carbon and nitrogen stable isotope data from rainfall manipulation experiments at the Jornada Basin LTER, 2011-2020

Alternate Identifier:

DOI PLACE HOLDER

Abstract:

As rainfall extremes are expected to increase in novel magnitude and frequency, especially in dryland regions, we asked how prolonged and directional shifts to water availability may affect ecosystem carbon and nitrogen dynamics. This data set includes foliar and soil carbon and nitrogen stable isotope and concentration data collected from multiple long-term rainfall manipulation experiments at the Jornada Basin LTER. Datasets also include rainfall data adjusted to rainfall manipulation intensities. Collection dates range from 5 to 14 years since the onset of experimental treatments. The primary plant species targeted for this study were the dominant grass, Bouteloua eriopoda, and the dominant shrub, Prosopis glandulosa.

Short Name:

gc_isotope_data

Publication Date:

2023-09-29

Language:

English

For more information:
Visit:	https://jrn.lternet.edu
Visit:	DOI PLACE HOLDER

Time Period

Begin:

2011-06-01

End:

2020-09-30

People and Organizations
Contact:	Information Manager (Jornada Basin LTER Program) [ email ]
Creator:	Currier, Courtney (Arizona State University)
Creator:	Sala, Osvaldo E (Arizona State University)
Creator:	Reichmann, Lara (Arizona State University)
Associate:	Sutter, Bryce (Arizona State University, technician)

Data Entities
Data Table Name:	Foliar carbon and nitrogen data
Description:	Foliar carbon and nitrogen data
Data Table Name:	Foliar carbon and nitrogen data EA-IRMS error report
Description:	Foliar carbon and nitrogen data EA-IRMS error report
Data Table Name:	Soil carbon and nitrogen data
Description:	Soil carbon and nitrogen data
Data Table Name:	Soil carbon and nitrogen data EA-IRMS error report
Description:	Soil carbon and nitrogen data EA-IRMS error report
Data Table Name:	Plot and treatment table
Description:	A table of all plots sampled in the study with information about Nitrogen and precipitation treatments applied.
Data Table Name:	Precipitation within the experiments
Description:	A table of effective precipitation treatment amounts for all experiments and treatments included in the study. Precipitation totals are derived from the EDI data package: knb-lter-jrn.210380001.740

Detailed Metadata

Data Entities

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/knb-lter-jrn/210586001/17/e0b7eb3cd8953454acf75283f237946a
Name:	Foliar carbon and nitrogen data
Description:	Foliar carbon and nitrogen data
Number of Records:	391
Number of Columns:	30

Table Structure

Object Name:

CNplants_clean_20221107.csv

Size:

64243 byte

Authentication:

c5fab9127349844c18a448a77e281a30 Calculated By MD5

Text Format:

Number of Header Lines:

Number of Foot Lines:

Record Delimiter:

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

tray

month_collected

year_started

year_collected

year_analyzed

exp_age

experiment

sample_ID

plot_ID

plant_ID

C_pct_ave

C_pct_sd

C_pct_n

C_pct_flag

d13C_ave

d13C_sd

d13C_n

d13C_flag

N_pct_ave

N_pct_sd

N_pct_n

N_pct_flag

d15N_ave

d15N_sd

d15N_n

d15N_flag

CN_ave

CN_sd

CN_n

CN_flag

Column Name:

tray

month_collected

year_started

year_collected

year_analyzed

exp_age

experiment

sample_ID

plot_ID

plant_ID

C_pct_ave

C_pct_sd

C_pct_n

C_pct_flag

d13C_ave

d13C_sd

d13C_n

d13C_flag

N_pct_ave

N_pct_sd

N_pct_n

N_pct_flag

d15N_ave

d15N_sd

d15N_n

d15N_flag

CN_ave

CN_sd

CN_n

CN_flag

Definition:

IRMS sample tray identifier (to cross check with error report sheet)

Month that the experiment was sampled for leaves

Year experimental treatments started

Year sample was collected

Year laboratory analyses were conducted

Age of the experiment at the time of sampling (year_sampled-year_started)

Experiment identifier

Unique sample identifier

Plot identifier

Plant identifier

%C by sample weight

Standard deviation of sample %C

Number of analytical replicates

Did this sample pass QA/QC?

Stable carbon isotope ratio, normalized by internal standards and standardized to VPDB

Standard deviation of sample d13C

Number of analytical replicates

Did this sample pass QA/QC?

%N by sample weight

Standard deviation of sample %N

Number of analytical replicates

Did this sample pass QA/QC?

Stable nitrogen isotope ratio, normalized by internal standards and standardized to Air

Standard deviation of sample d15N

Number of analytical replicates

Did this sample pass QA/QC?

Molar C:N ratio

Standard deviation of sample C:N

Number of analytical replicates

Did this sample pass QA/QC?

Storage Type:

string

dateTime

integer

string

float

integer

boolean

float

integer

boolean

float

integer

boolean

float

integer

boolean

float

integer

boolean

Measurement Type:

nominal

dateTime

ratio

nominal

ratio

nominal

ratio

nominal

ratio

nominal

ratio

nominal

ratio

nominal

Measurement Values Domain:

Definition

any text

Format	MM
Precision	1

Format	YYYY
Precision	1

Format	YYYY
Precision	1

Format	YYYY
Precision	1

Unit	nominalYear
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	DroughtNet
Definition	DroughtNet distributed coordinated drought experiment and the Jornada
Source

Code Definition

Code	LTREB1
Definition	LTREB 1 experiment ("Ecosystem Responses to Long-Term Changes in Water and Nitrogen Availability" or "Long-Term" project. Jornada study 349)
Source

Code Definition

Code	LTREB2
Definition	LTREB 2 experiment ("Water Availability Controls on Above-Belowground Productivity Partitioning: Plant Response versus Herbivory" project. Jornada study 456)
Source

Definition

any text

Definition

any text

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	PRGL2
Definition	Prosopis glandulosa
Source

Code Definition

Code	BOER4
Definition	Bouteloua eriopoda
Source

Code Definition

Code	GUSA2
Definition	Gutierrezia sarothrae
Source

Code Definition

Code	ARPU9
Definition	Aristida purpurea
Source

Code Definition

Code	SPFL2
Definition	Sporobolus flexuosus
Source

Unit	percent
Type	real

Unit	percent
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	False
Source

Code Definition

Code	1
Definition	True
Source

Unit	permil
Type	real

Unit	permil
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	False
Source

Code Definition

Code	1
Definition	True
Source

Unit	percent
Type	real

Unit	percent
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	False
Source

Code Definition

Code	1
Definition	True
Source

Unit	permil
Type	real

Unit	permil
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	False
Source

Code Definition

Code	1
Definition	True
Source

Unit	dimensionless
Type	real

Unit	dimensionless
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	False
Source

Code Definition

Code	1
Definition	True
Source

Missing Value Code:

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/knb-lter-jrn/210586001/17/09b487ca08536e6a1cb18349a5120695
Name:	Foliar carbon and nitrogen data EA-IRMS error report
Description:	Foliar carbon and nitrogen data EA-IRMS error report
Number of Records:	68
Number of Columns:	34

Table Structure

Object Name:

CNplants_errorReport_20221107_abserror.csv

Size:

9968 byte

Authentication:

46f4c49362ba363b95681c9b0101a09b Calculated By MD5

Text Format:

Number of Header Lines:

Number of Foot Lines:

Record Delimiter:

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

tray

year_collected

year_analyzed

standard_ID

C_pct_ave

C_pct_sd

C_pct_n

C_pct_error_ave

C_pct_error_sd

C_pct_error_n

C_pct_flag

known_d13C

d13C_ave

d13C_sd

d13C_n

d13C_error_ave

d13C_error_sd

d13C_error_n

d13C_flag

N_pct_ave

N_pct_sd

N_pct_n

N_pct_error_ave

N_pct_error_sd

N_pct_error_n

N_pct_flag

known_d15N

d15N_ave

d15N_sd

d15N_n

d15N_error_ave

d15N_error_sd

d15N_error_n

d15N_flag

Column Name:

tray

year_collected

year_analyzed

standard_ID

C_pct_ave

C_pct_sd

C_pct_n

C_pct_error_ave

C_pct_error_sd

C_pct_error_n

C_pct_flag

known_d13C

d13C_ave

d13C_sd

d13C_n

d13C_error_ave

d13C_error_sd

d13C_error_n

d13C_flag

N_pct_ave

N_pct_sd

N_pct_n

N_pct_error_ave

N_pct_error_sd

N_pct_error_n

N_pct_flag

known_d15N

d15N_ave

d15N_sd

d15N_n

d15N_error_ave

d15N_error_sd

d15N_error_n

d15N_flag

Definition:

IRMS sample tray identifier (to cross check with error report sheet)

Year sample was collected

Year laboratory analyses were conducted

Standard reference material

%C by sample weight

Standard deviation of sample %C

Number of analytical replicates

Mean of absolute values of residual error of standard reference material ((known ug C – measured ug C)*100/known ug C)

Standard deviation of residual error of standard reference materials

Number of replicates

Did this standard pass QA/QC? Adherence is defined as a C_pct_error_ave < 10%

Known d13C values for standard reference materials

Stable carbon isotope ratio, normalized by internal standards and standardized to VPDB

Standard deviation of sample d13C

Number replicates

Mean of absolute values of residual error of standard reference material (known d13C – measured d13C)

Standard deviation of absolute values of residual error of standard reference material (known d13C – measured d13C)

Number of replicates

Did this standard pass QA/QC? Adherence is defined as a d13C_error_ave < 0.2‰ for plant and glycine standards

%N by standard weight

Standard deviation of standard %N

Number of analytical replicates

Mean of absolute values of residual error of standard reference material ((known ug N – measured ug N)*100/known ug N)

Standard deviation of residual error of standard reference materials

Number of replicates

Did this standard pass QA/QC? Adherence is defined as a N_pct_error_ave < 10%

Known d15N values for standard reference materials

Stable carbon isotope ratio, normalized by internal standards and standardized to Air

Standard deviation of sample d15N

Number replicates

Mean of absolute values of residual error of standard reference material (known d15N – measured d15N)

Standard deviation of absolute values of residual error of standard reference material (known d15N – measured d15N)

Number of replicates

Did this standard pass QA/QC? Adherence is defined as a d15N_error_ave < 0.2‰ for plant and glycine standards

Storage Type:

string

dateTime

string

float

integer

float

integer

boolean

float

integer

float

integer

boolean

float

integer

float

integer

boolean

float

integer

float

integer

boolean

Measurement Type:

nominal

dateTime

nominal

ratio

nominal

ratio

nominal

ratio

nominal

ratio

nominal

Measurement Values Domain:

Definition

any text

Format	YYYY
Precision	1

Format	YYYY
Precision	1

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	NIST 1573a
Definition	Tomato leaves (NIST 1573a) isotopic standard
Source

Code Definition

Code	glycine mid
Definition	Glycine (mid) isotopic standard
Source

Unit	percent
Type	real

Unit	percent
Type	real

Unit	number
Type	integer

Unit	percent
Type	real

Unit	percent
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	False
Source

Code Definition

Code	1
Definition	True
Source

Unit	permil
Type	real

Unit	permil
Type	real

Unit	permil
Type	real

Unit	number
Type	integer

Unit	permil
Type	real

Unit	permil
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	False
Source

Code Definition

Code	1
Definition	True
Source

Unit	percent
Type	real

Unit	percent
Type	real

Unit	number
Type	integer

Unit	percent
Type	real

Unit	percent
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	False
Source

Code Definition

Code	1
Definition	True
Source

Unit	permil
Type	real

Unit	permil
Type	real

Unit	permil
Type	real

Unit	number
Type	integer

Unit	permil
Type	real

Unit	permil
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	1
Definition	True
Source

Code Definition

Code	0
Definition	False
Source

Missing Value Code:

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/knb-lter-jrn/210586001/17/fb9562f561a831fd10492c54ff859e5d
Name:	Soil carbon and nitrogen data
Description:	Soil carbon and nitrogen data
Number of Records:	476
Number of Columns:	30

Table Structure

Object Name:

CNsoil_clean_20221124.csv

Size:

76435 byte

Authentication:

f8973f92cff2281175089aeae8aabc75 Calculated By MD5

Text Format:

Number of Header Lines:

Number of Foot Lines:

Record Delimiter:

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

tray

month_collected

year_started

year_collected

year_analyzed

exp_age

experiment

sample_ID

plot_ID

soil_depth_cm

C_pct_ave

C_pct_sd

C_pct_n

C_pct_flag

d13C_ave

d13C_sd

d13C_n

d13C_flag

N_pct_ave

N_pct_sd

N_pct_n

N_pct_flag

d15N_ave

d15N_sd

d15N_n

d15N_flag

CN_ave

CN_sd

CN_n

CN_flag

Column Name:

tray

month_collected

year_started

year_collected

year_analyzed

exp_age

experiment

sample_ID

plot_ID

soil_depth_cm

C_pct_ave

C_pct_sd

C_pct_n

C_pct_flag

d13C_ave

d13C_sd

d13C_n

d13C_flag

N_pct_ave

N_pct_sd

N_pct_n

N_pct_flag

d15N_ave

d15N_sd

d15N_n

d15N_flag

CN_ave

CN_sd

CN_n

CN_flag

Definition:

IRMS sample tray identifier (to cross check with error report sheet)

Month that the experiment was sampled for leaves

Year experimental treatments started

Year sample was collected

Year laboratory analyses were conducted

Age of the experiment at the time of sampling (year_sampled-year_started)

Experiment identifier

Unique sample identifier

Plot identifier

Depth of soil sample

%C by sample weight

Standard deviation of sample %C

Number of analytical replicates

Did this sample pass QA/QC?

Stable carbon isotope ratio, normalized by internal standards and standardized to VPDB

Standard deviation of sample d13C

Number of analytical replicates

Did this sample pass QA/QC?

%N by sample weight

Standard deviation of sample %N

Number of analytical replicates

Did this sample pass QA/QC?

Stable nitrogen isotope ratio, normalized by internal standards and standardized to Air

Standard deviation of sample d15N

Number of analytical replicates

Did this sample pass QA/QC?

Molar C:N ratio

Standard deviation of sample C:N ratio

Number of analytical replicates

Did this sample pass QA/QC?

Storage Type:

string

dateTime

integer

string

integer

string

float

integer

boolean

float

integer

boolean

float

integer

boolean

float

integer

boolean

float

integer

boolean

Measurement Type:

nominal

dateTime

ratio

nominal

ratio

nominal

ratio

nominal

ratio

nominal

ratio

nominal

ratio

nominal

Measurement Values Domain:

Definition

any text

Format	MM
Precision	1

Format	YYYY
Precision	1

Format	YYYY
Precision	1

Format	YYYY
Precision	1

Unit	nominalYear
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	LTREB1
Definition	LTREB 1 experiment ("Ecosystem Responses to Long-Term Changes in Water and Nitrogen Availability" or "Long-Term" project. Jornada study 349)
Source

Code Definition

Code	LTREB2
Definition	LTREB 2 experiment ("Water Availability Controls on Above-Belowground Productivity Partitioning: Plant Response versus Herbivory" project. Jornada study 456)
Source

Code Definition

Code	DroughtNet
Definition	DroughtNet distributed coordinated drought experiment and the Jornada
Source

Definition

any text

Definition

any text

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0-10
Definition	sampled 0-10 cm below surface
Source

Code Definition

Code	10-20
Definition	sampled 10-20 cm below surface
Source

Code Definition

Code	20-30
Definition	sampled 20-30 cm below surface
Source

Code Definition

Code	30-40
Definition	sampled 30-40 cm below surface
Source

Code Definition

Code	30-50
Definition	sampled 30-50 cm below surface
Source

Unit	percent
Type	real

Unit	percent
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	False
Source

Unit	permil
Type	real

Unit	permil
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	1
Definition	True
Source

Unit	percent
Type	real

Unit	percent
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	False
Source

Unit	permil
Type	real

Unit	permil
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	1
Definition	True
Source

Unit	dimensionless
Type	real

Unit	dimensionless
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	False
Source

Missing Value Code:

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Code	NA
Expl	Missing value - data not collected or otherwise unavailable

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/knb-lter-jrn/210586001/17/58086ea79c922ef950a37bd1155a90b1
Name:	Soil carbon and nitrogen data EA-IRMS error report
Description:	Soil carbon and nitrogen data EA-IRMS error report
Number of Records:	74
Number of Columns:	34

Table Structure

Object Name:

CNsoil_errorReport_20221124_abserror.csv

Size:

10951 byte

Authentication:

1d6cfd0ef0aa09f1d0b7b3d195702839 Calculated By MD5

Text Format:

Number of Header Lines:

Number of Foot Lines:

Record Delimiter:

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

tray

year_collected

year_analyzed

standard_ID

C_pct_ave

C_pct_sd

C_pct_n

C_pct_error_ave

C_pct_error_sd

C_pct_error_n

C_pct_flag

known_d13C

d13C_ave

d13C_sd

d13C_n

d13C_error_ave

d13C_error_sd

d13C_error_n

d13C_flag

N_pct_ave

N_pct_sd

N_pct_n

N_pct_error_ave

N_pct_error_sd

N_pct_error_n

N_pct_flag

known_d15N

d15N_ave

d15N_sd

d15N_n

d15N_error_ave

d15N_error_sd

d15N_error_n

d15N_flag

Column Name:

tray

year_collected

year_analyzed

standard_ID

C_pct_ave

C_pct_sd

C_pct_n

C_pct_error_ave

C_pct_error_sd

C_pct_error_n

C_pct_flag

known_d13C

d13C_ave

d13C_sd

d13C_n

d13C_error_ave

d13C_error_sd

d13C_error_n

d13C_flag

N_pct_ave

N_pct_sd

N_pct_n

N_pct_error_ave

N_pct_error_sd

N_pct_error_n

N_pct_flag

known_d15N

d15N_ave

d15N_sd

d15N_n

d15N_error_ave

d15N_error_sd

d15N_error_n

d15N_flag

Definition:

IRMS sample tray identifier (to cross check with error report sheet)

Year sample was collected

Year laboratory analyses were conducted

Standard reference material

%C by sample weight

Standard deviation of sample %C

Number of analytical replicates

Mean of absolute values of residual error of standard reference material ((known ug C – measured ug C)*100/known ug C)

Standard deviation of residual error of standard reference materials

Number of analytical replicates

Did this standard pass QA/QC? Adherence is defined as a C_pct_error_ave < 10%

Known d13C values for standard reference materials

Stable carbon isotope ratio, normalized by internal standards and standardized to VPDB

Standard deviation of sample d13C

Number of analytical replicates

Mean of absolute values of residual error of standard reference material (known d13C – measured d13C)

Standard deviation of absolute values of residual error of standard reference material (known d13C – measured d13C)

Number of analytical replicates

Did this standard pass QA/QC? Adherence is defined as a d13C_error_ave < 0.3‰ for soil standard and < 0.2‰ for glycine

%N by standard weight

Standard deviation of standard %N

Number of analytical replicates

Mean of absolute values of residual error of standard reference material ((known ug N – measured ug N)*100/known ug N)

Standard deviation of residual error of standard reference materials

Number of analytical replicates

Did this standard pass QA/QC? Adherence is defined as a N_pct_error_ave < 10%

Known d15N values for standard reference materials

Stable carbon isotope ratio, normalized by internal standards and standardized to Air

Standard deviation of sample d15N

Number of analytical replicates

Mean of absolute values of residual error of standard reference material (known d15N – measured d15N)

Standard deviation of absolute values of residual error of standard reference material (known d15N – measured d15N)

Number of analytical replicates

Did this standard pass QA/QC? Adherence is defined as a d15N_error_ave < 0.3‰ for soil standard and < 0.2‰ for glycine

Storage Type:

float

dateTime

string

float

integer

float

integer

boolean

float

integer

float

integer

boolean

float

integer

float

integer

boolean

float

integer

float

integer

boolean

Measurement Type:

ratio

dateTime

nominal

ratio

nominal

ratio

nominal

ratio

nominal

ratio

nominal

Measurement Values Domain:

Unit	number
Type	integer

Format	YYYY
Precision	1

Format	YYYY
Precision	1

Definition

any text

Unit	percent
Type	integer

Unit	percent
Type	real

Unit	number
Type	integer

Unit	percent
Type	real

Unit	percent
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	1
Definition	True
Source

Unit	permil
Type	real

Unit	permil
Type	real

Unit	permil
Type	real

Unit	number
Type	integer

Unit	permil
Type	real

Unit	permil
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	False
Source

Unit	percent
Type	real

Unit	percent
Type	real

Unit	number
Type	integer

Unit	percent
Type	real

Unit	percent
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	1
Definition	True
Source

Unit	permil
Type	real

Unit	permil
Type	real

Unit	permil
Type	real

Unit	number
Type	integer

Unit	permil
Type	real

Unit	permil
Type	real

Unit	number
Type	integer

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	False
Source

Missing Value Code:

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/knb-lter-jrn/210586001/17/32c02dd7bd8a296b161cab0116fde2f2
Name:	Plot and treatment table
Description:	A table of all plots sampled in the study with information about Nitrogen and precipitation treatments applied.
Number of Records:	82
Number of Columns:	4

Table Structure

Object Name:

plot_list.csv

Size:

1362 byte

Authentication:

9e702dfbb880af47061756d0105be081 Calculated By MD5

Text Format:

Number of Header Lines:

Number of Foot Lines:

Record Delimiter:

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

plot_ID

N_trt

ppt_trt

experiment

Column Name:

plot_ID

N_trt

ppt_trt

experiment

Definition:

Plot identifier

N treatment

Precipitation treatment

Experiment identifier

Storage Type:

string

boolean

string

Measurement Type:

nominal

Measurement Values Domain:

Definition

any text

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	no ammonium nitrate fertilizer applied
Source

Code Definition

Code	1
Definition	ammonium nitrate fertilizer applied
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0.2
Definition	20% ambient precipitation (achieved with rainout shelter)
Source

Code Definition

Code	0.5
Definition	50% ambient precipitation (achieved with rainout shelter)
Source

Code Definition

Code	1
Definition	ambient precipitation (control)
Source

Code Definition

Code	1.5
Definition	150% ambient precipitation (achieved with supplemental irrigation)
Source

Code Definition

Code	1.8
Definition	180% ambient precipitation (achieved with supplemental irrigation)
Source

Definition

any text

Missing Value Code:

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Table


Data:	https://pasta-s.lternet.edu/package/data/eml/knb-lter-jrn/210586001/17/e0a13507c7ac9478b336a7a424da4316
Name:	Precipitation within the experiments
Description:	A table of effective precipitation treatment amounts for all experiments and treatments included in the study. Precipitation totals are derived from the EDI data package: knb-lter-jrn.210380001.740
Number of Records:	19
Number of Columns:	7

Table Structure

Object Name:

precip_treatments.csv

Size:

908 byte

Authentication:

e1d0d7c047b6886fa60c81768a858639 Calculated By MD5

Text Format:

Number of Header Lines:

Number of Foot Lines:

Record Delimiter:

Orientation:

column

Simple Delimited:

Field Delimiter:	,
Quote Character:	"

Table Column Descriptions

year_started

year_collected

nearest_JER_RG

ppt_trt

annual_precip_mm

growing_precip_mm

experiment

Column Name:

year_started

year_collected

nearest_JER_RG

ppt_trt

annual_precip_mm

growing_precip_mm

experiment

Definition:

Year experiment was started

Year sample was collected

Nearest rain guage to the experiment

Precipitation treatment

Annual precipitation total

Growing season (June-September) precipitation total

Experiment identifier

Storage Type:

dateTime

string

float

string

Measurement Type:

dateTime

nominal

ratio

nominal

Measurement Values Domain:

Format	YYYY
Precision	1

Format	YYYY
Precision	1

Definition

any text

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	1.5
Definition	150% ambient precipitation (achieved with supplemental irrigation)
Source

Code Definition

Code	0.2
Definition	20% ambient precipitation (achieved with rainout shelter)
Source

Code Definition

Code	0.5
Definition	50% ambient precipitation (achieved with rainout shelter)
Source

Code Definition

Code	1
Definition	ambient precipitation (control)
Source

Code Definition

Code	1.8
Definition	180% ambient precipitation (achieved with supplemental irrigation)
Source

Unit	millimeter
Type	real

Unit	millimeter
Type	real

Definition

anyText

Missing Value Code:

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data Package Usage Rights

This information is released under the Creative Commons license - Attribution - CC BY (https://creativecommons.org/licenses/by/4.0/). The consumer of these data ("Data User" herein) is required to cite it appropriately in any publication that results from its use. The Data User should realize that these data may be actively used by others for ongoing research and that coordination may be necessary to prevent duplicate publication. The Data User is urged to contact the authors of these data if any questions about methodology or results occur. Where appropriate, the Data User is encouraged to consider collaboration or co-authorship with the authors. The Data User should realize that misinterpretation of data may occur if used out of context of the original study. While substantial efforts are made to ensure the accuracy of data and associated documentation, complete accuracy of data sets cannot be guaranteed. All data are made available "as is." The Data User should be aware, however, that data are updated periodically and it is the responsibility of the Data User to check for new versions of the data. The data authors and the repository where these data were obtained shall not be liable for damages resulting from any use or misinterpretation of the data. Thank you.

Keywords

By Thesaurus:
LTER Core Research Areas	inorganic nutrients, organic matter
LTER Controlled Vocabulary v1	grasslands, nitrogen, nutrient cycling, plants, precipitation, soil, stable isotopes
none	dryland
Jornada Basin project names	LTREB global change, study 586
Jornada Basin place names	Pasture 13

Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

Methods and protocols used in the collection of this data package

Description:

# Experimental design Rainfall manipulation treatments commenced in multiple years and spanned a range of experimental durations at the time of field sampling, from 4 years to 14 years. Plot size depended on the experiment, either 2.5 x 2.5 m or 2.5 x 5.0 m. Most plots contained patches of *B. eriopoda*, except drought treatments in the older experiments where herbaceous patches exhibited mortality. Most plots also contained a central Prosopis shrub except one experiment ("LTREB2"), which excluded *Prosopis* from the original design. Treatment levels depended on the experiment; all experimental plots had control plots that received ambient rainfall with no rainout shelter or irrigation system. Water treatments were achieved using rainout shelters that decreased incoming precipitation by 50% or 80% and automated irrigation systems that simultaneously applied 50% or 80% of incoming precipitation. During precipitation events, shelters intercepted and redirected incoming rainfall to a PVC irrigation system connected to sprinklers surrounding +50% or +80% treatment plots by means of a solar-powered pump. Manipulation intensities were based on extremes of historical precipitation data for the region. Monthly precipitation sums were obtained from Jornada Basin LTER meteorological stations, available on the Environmental Data Initiative, nearest to the experimental plots (Thatcher and Bestelmeyer 2021), summed over the growing season (June-September), and then adjusted according to the rainfall manipulation treatment. The range of growing season precipitation amount achieved experimentally was 11-206 mm over the experimental years. We present precipitation amount as a continuous variable for our results due to the multi-year, multi-treatment nature of our study design. Some years were considerably drier than others were, and the rainfall amount received is more biologically meaningful to consider as a variable than categorical treatments. Refer to Table 1 (below) and the included "precip_treatments.csv" file for information about the effective precipitation amounts in all experiments and treatments included in this study. Table 1: description of experimental design and precipitation treatments for the experiments and samples analyzed in this study. |Experiment name|Treatments|Replication (n)|Sample size (N)|Plot size |Rain gauge ID\*|Plants sampled |Year started|Years sampled|Growing season rainfall (mm)|Manipulated rainfall range (mm)| |---------------|----------|---------------|---------------|----------|---------------|---------------------|------------|-------------|----------------------------|-------------------------------| |LTREB 1 |3 (-80%, ambient, +80%) |6 |18 |2.5 x 2.5m|YUCCA|*Bouteloua eriopoda, Prosopis glandulosa*|2006 |2011 |114.554 |22.91 – 206.19 | |LTREB 1 |3 (-80%, ambient, +80%) |6 |18 |2.5 x 2.5m|YUCCA|*Bouteloua eriopoda, Prosopis glandulosa*|2006 |2012 |55.372 |11.07 – 99.67 | |LTREB 1 |3 (-80%, ambient, +80%) |6 |18 |2.5 x 2.5m|YUCCA|*Bouteloua eriopoda, Prosopis glandulosa*|2006 |2018 |109.474 |21.89 – 197.05 | |LTREB 1 |3 (-80%, ambient, +80%) |6 |18 |2.5 x 2.5m|YUCCA|*Bouteloua eriopoda, Prosopis glandulosa*|2006 |2020 |74.93 |14.99 – 134.87 | | | | | | | | | | | | | |LTREB 2 |5 (-80%, -50%, ambient, +50%, +80%)|8 |40 |2.5 x 5.0m|RABBIT |*Bouteloua eriopoda* |2015 |2020 |64.52 |12.90 – 116.14 | | | | | | | | | | | | | |Droughtnet |2 (-80%, ambient) |3 |6 |2.5 x 2.5m|RABBIT |*Bouteloua eriopoda, Prosopis glandulosa*|2015|2020 |64.52 |12.90 – 64.52 | \* Precipitation data come from the EDI (Environmental Data Initiative) repository, data package ID knb-lter-jrn.210380001.740. # Field sampling and stable isotope analyses Field collection of leaves and soils for isotopic analyses took place during peak biomass months following the summer monsoon: August 2011, September 2012, September 2018, and September 2020. Leaves were collected from three Bouteloua patches (when possible; some drought plots had zero Bouteloua cover) and the central Prosopis shrub (if present). Specifically, the leaves were collected from the four cardinal directions and the center (54). Surface soil samples (0-10 cm) were collected using 2.54 cm diameter soil corer and composited from five sub-plot samples that were representative of the general ground cover of the plot, ranging from bare ground to underneath dominant plant patches. Soil samples were then passed through a 2 mm sieve. Foliar and soil samples were subsequently dried at 70°C for 48 h and ground into a fine powder using a Desktop High Energy Vibratory Ball Mill (VQ-N ball mill Thomas Scientific) for foliar samples and a mortar and pestle for soil samples. The stainless grinding tools were carefully cleaned with ethanol between each sample. Foliar samples were encapsulated in 4 x 6 mm tins while soil samples were encapsulated in 5 x 9 mm tins. All 2011 and 2012 samples were run on a GVI IsoPrime and an Elementar Cube elemental analyzer at the Boston University Stable Isotope Laboratory. QA/QC procedures for the BU Stable Isotope Lab may be found here: https://www.bu.edu/sil/quality/. One analytical replicate was run per 10 samples, and any anomalous results were rerun. In-house standards of peptone and glycine calibrated to USGS 40 and 41 were alternately analyzed after every 15 unknown samples. All 2018 and 2020 samples were run in analytical triplicates and flash combusted with a coupled continuous-flow elemental analyzer-isotope ratio mass spectrometer system consisting of a Costech EA interfaced to a Delta Advantage peripheral at the METAL Core Laboratory of Arizona State University. Calibration curves for 2018 and 2020 plant samples were built using tomato leaves (NIST 1573a) and for 2018 and 2020 soils using low-nitrogen Montana soil (NIST 2711). In-house glycine standards calibrated to USGS 40 and 41 were analyzed after every third unknown sample and at the beginning and end of each run. Standards and unknowns were corrected for linearity, and unknowns were normalized to isotopic values of standard reference materials using a two-point calibration curve of in-house standards calibrated to USGS 40 and 41 standard reference materials. Stable isotope nitrogen ratios are standardized to atmospheric air and expressed in permil (‰) as:

$$ \delta = \frac{R_{sa}}{R_{std} - 1} $$

Where _Rsa_ is the molar 15N/14N isotopic ratio of the sample and _Rstd_ is the molar isotopic ratio of atmospheric air (0.0036765). **Please note: This dataset does not include a thorough analysis of any carbon data, and all soil carbon data should be interpreted with caution as carbonates were NOT removed before analysis.** All standards and unknown samples presented in this manuscript underwent quality assessment and quality control. Acceptable accuracy of tomato leaf standards and in-house glycine or peptone standards was defined as having a residual error of ≤ 0.2‰. Acceptable accuracy of the low-nitrogen Montana soil standard was defined as having a residual error of ≤ 0.3‰. Acceptable precision for all standards was defined as having a standard deviation of ≤ 0.2‰. A blank (empty tin cup) was included at the beginning of each analytical run for all 2011, 2012, and 2018 plants and soils, and after every 5-8 unknown samples for 2020 soils. Unknown samples adhered to QA/QC when samples fell within the standard calibration range and exhibited a standard deviation among analytical replicates of ≤ 0.2‰. If unknowns had a standard deviation > 0.2‰, an attempt to meet QA/QC requirements was first conducted by removing one outlier replicate, reducing the number of analytical replicates to 2. If this did not resolve the precision measurement, the sample was flagged, re-ground, and re-run on the IRMS. Any data that remained flagged after re-running were discarded from the final data set. ## Data provenance

Data Source

Monthly precipitation data from a network of standard gauges at the Jornada Experimental Range (Jornada Basin LTER) in southern New Mexico, January 1916 - ongoing

People and Organizations

Publishers:

Organization:

Environmental Data Initiative

Email Address:

info@edirepository.org

Web Address:

https://edirepository.org

Id:

https://ror.org/0330j0z60

Creators:

Individual:	Courtney Currier
Organization:	Arizona State University
Id:	https://orcid.org/0000-0002-7617-239X

Individual:	Osvaldo E Sala
Organization:	Arizona State University
Id:	https://orcid.org/0000-0003-0142-9450

Individual:	Lara Reichmann
Organization:	Arizona State University
Id:	https://orcid.org/0000-0002-9737-7300

Contacts:

Organization:

Jornada Basin LTER Program

Position:

Information Manager

Address:

P.O. Box 30003; MSC 3JER New Mexico State University,

Las Cruces, NM 88003-8003 U.S.A.

Phone:

575-322-2430

Email Address:

jornada.data@nmsu.edu

Web Address:

https://lter.jornada.nmsu.edu/information-management/

Associated Parties:

Individual:	Bryce Sutter
Organization:	Arizona State University
Role:	technician

Metadata Providers:

Organization:

Jornada Basin LTER Program

Position:

Jornada Basin LTER program

Address:

P.O. Box 30003; MSC 3JER New Mexico State University,

Las Cruces, NM 88003-8003 USA

Email Address:

jornada.lter@nmsu.edu

Web Address:

https://lter.jornada.nmsu.edu

Id:

https://ror.org/05976ta47

Temporal, Geographic and Taxonomic Coverage

Temporal, Geographic and/or Taxonomic information that applies to all data in this dataset:

Time Period

Begin:

2011-06-01

End:

2020-09-30

Geographic Region:

Description:

Basin Floor: Study occurred in the basin floor geomorphic zone in the Jornada Basin. More precise geographic coordinates for this study may be requested from the JRN LTER Data Manager (jornada.data@nmsu.edu).

Bounding Coordinates:

Northern:	32.749487	Southern:	32.473173
Western:	-106.872883	Eastern:	-106.692716

Taxonomic Range:

Classification:

Rank Name:

kingdom

Rank Value:

Plantae

Classification:

Rank Name:

phylum

Classification:

Rank Name:

class

Rank Value:

Magnoliopsida

Classification:

Rank Name:

order

Rank Value:

Fabales

Classification:

Rank Name:

family

Rank Value:

Fabaceae

Classification:

Rank Name:

genus

Rank Value:

Prosopis

Classification:

Rank Name:	specificEpithet
Rank Value:	glandulosa

Classification:

Rank Name:

kingdom

Rank Value:

Plantae

Classification:

Rank Name:

phylum

Classification:

Rank Name:

class

Rank Value:

Magnoliopsida

Classification:

Rank Name:

order

Rank Value:

Asterales

Classification:

Rank Name:

family

Rank Value:

Asteraceae

Classification:

Rank Name:

genus

Rank Value:

Gutierrezia

Classification:

Rank Name:	specificEpithet
Rank Value:	sarothrae

Classification:

Rank Name:

kingdom

Rank Value:

Plantae

Classification:

Rank Name:

phylum

Classification:

Rank Name:

class

Rank Value:

Magnoliopsida

Classification:

Rank Name:

order

Rank Value:

Poales

Classification:

Rank Name:

family

Rank Value:

Poaceae

Classification:

Rank Name:

genus

Rank Value:

Aristida

Classification:

Rank Name:	specificEpithet
Rank Value:	purpurea

Classification:

Rank Name:

kingdom

Rank Value:

Plantae

Classification:

Rank Name:

phylum

Classification:

Rank Name:

class

Rank Value:

Magnoliopsida

Classification:

Rank Name:

order

Rank Value:

Poales

Classification:

Rank Name:

family

Rank Value:

Poaceae

Classification:

Rank Name:

genus

Rank Value:

Bouteloua

Classification:

Rank Name:	specificEpithet
Rank Value:	eriopoda

Classification:

Rank Name:

kingdom

Rank Value:

Plantae

Classification:

Rank Name:

phylum

Classification:

Rank Name:

class

Rank Value:

Magnoliopsida

Classification:

Rank Name:

order

Rank Value:

Poales

Classification:

Rank Name:

family

Rank Value:

Poaceae

Classification:

Rank Name:

genus

Rank Value:

Sporobolus

Classification:

Rank Name:	specificEpithet
Rank Value:	flexuosus

Project

Parent Project Information:

Title:

LTREB Global Change experiments at Jornada Basin LTER

Personnel:

Individual:

Dr. Osvaldo Sala

Address:

School of Life Sciences and School of Sustainability,

Arizona State University,

Tempe, AZ 85287 United States

Phone:

480-965-4120 (voice)

Email Address:

osvaldo.sala@asu.edu

Role:

Principal Investigator (LTREB)

Individual:

Dr. Niall Hanan

Address:

P.O. Box 30003, MSC 3JER,

New Mexico State University,

Las Cruces, NM 88003-8003 United States

Phone:

575-646-3335 (voice)

Email Address:

nhanan@nmsu.edu

Role:

Principal Investigator (LTER)

Abstract:

The Global Change experiments in the Jornada Basin consist of controlled, long-term experiments designed to uncover what causes changes in grasslands with enough confidence to predict their future as they begin to experience conditions never seen before. The project expands on decade-long field experiments in which rainfall amount and variability were manipulated over multi-year timescales. Results from these experiments will yield new understanding that will provide guidance to managers of drylands in the Southwest United States, and around the world. The project is funded by the US National Science Foundation (NSF) Long Term Research in Environmental Biology, or LTREB, program.

The Global Change experiments occur in coordination with the Jornada Basin Long-Term Ecological Research program (JRN LTER). JRN LTER is part of a national network of long-term ecological research sites funded by the US National Science Foundation (NSF). The Jornada LTER program has been continuously funded since 1982 (Current NSF award: DEB-2025166) to develop general principles governing changes between grassland and shrubland ecosystems based on long-term data collected in the Chihuahuan Desert. We translate our findings to dryland ecosystems around the world, and forecast the dynamics of future ecosystem states in response to changing climate and land use.

Additional Award Information:

Funder:

National Science Foundation

Funder ID:

https://ror.org/05976ta47

Number:

1754106

Title:

LTREB: Long-term ecosystem responses to directional changes in precipitation amount and variability in an arid grassland

URL:

https://www.nsf.gov/awardsearch/showAward?AWD_ID=1754106

Additional Award Information:

Funder:

National Science Foundation

Funder ID:

https://ror.org/05976ta47

Number:

2025166

Title:

LTER: Long –Term Research at the Jornada Basin (LTER VII)

URL:

https://www.nsf.gov/awardsearch/showAward?AWD_ID=2025166

Additional Award Information:

Funder:	National Science Foundation
Number:	DEB 1832194
Title:	Prior award: LTER: Long - Term Research at the Jornada Basin (LTER VII)

Additional Award Information:

Funder:	National Science Foundation
Number:	DEB 1235828
Title:	Prior award: LTER: Long-Term Research at the Jornada Basin (LTER-VI)

Additional Award Information:

Funder:	National Science Foundation
Number:	DEB 0618210
Title:	Prior award: Jornada Basin LTER V: Landscape Linkages in Arid and Semiarid Ecosystems

Maintenance

Maintenance:

Description:	ongoing
Frequency:	asNeeded

Other Metadata

Additional Metadata

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        |     |     |     |  \___attribute 'multiplierToSI' = '31536000'
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        |     |     |     |  \___attribute 'parentSI' = 'second'
        |     |     |     |  \___attribute 'unitType' = 'time'
        |     |     |     |___text '\n          '
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        |     |     |     |     |___text 'one year excluding leap seconds and leap days, 31536000 seconds'
        |     |     |     |___text '\n        '
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        |     |     |     |  \___attribute 'abbreviation' = 'mm'
        |     |     |     |  \___attribute 'id' = 'millimeter'
        |     |     |     |  \___attribute 'multiplierToSI' = '0.001'
        |     |     |     |  \___attribute 'name' = 'millimeter'
        |     |     |     |  \___attribute 'parentSI' = 'meter'
        |     |     |     |  \___attribute 'unitType' = 'volume'
        |     |     |     |___text '\n          '
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        |     |     |     |     |___text '.001 meters'
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        |     |     |     |  \___attribute 'id' = 'number'
        |     |     |     |  \___attribute 'name' = 'number'
        |     |     |     |  \___attribute 'unitType' = 'dimensionless'
        |     |     |     |___text '\n          '
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        |     |     |     |     |___text 'a quantity or amount'
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        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'dimensionless'
        |     |     |     |  \___attribute 'name' = 'dimensionless'
        |     |     |     |  \___attribute 'unitType' = 'dimensionless'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text 'a designation asserting the absence of an associated unit'
        |     |     |     |___text '\n        '
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'abbreviation' = '%'
        |     |     |     |  \___attribute 'id' = 'percent'
        |     |     |     |  \___attribute 'multiplierToSI' = '1'
        |     |     |     |  \___attribute 'name' = 'percent'
        |     |     |     |  \___attribute 'parentSI' = 'dimensionless'
        |     |     |     |  \___attribute 'unitType' = 'dimensionless'
        |     |     |     |___text '\n          '
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        |     |     |     |     |___text 'percent, one part per hundred parts. a decimal ratio multipled by 100'
        |     |     |     |___text '\n        '
        |     |     |___text '\n      '
        |     |___text '\n    '
        |___text '\n  '

Copyright 2024 Environmental Data Initiative. This material is based upon work supported by the National Science Foundation under grants #2223103 and #2223104. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Please contact us with questions, comments, or for technical assistance regarding this web site or the Environmental Data Initiative. Please read our privacy policy to know what information we collect about you and to understand your privacy rights.

EDI is a collaboration between the University of New Mexico and the University of Wisconsin – Madison, Center for Limnology:

Data Package Metadata View Summary

Temporal soil and foliar carbon and nitrogen stable isotope data from rainfall manipulation experiments at the Jornada Basin LTER, 2011-2020

Data Entities

Data Table

Data Table

Data Table

Data Table

Data Table

Data Table

Data Package Usage Rights

Keywords

Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

People and Organizations

Temporal, Geographic and Taxonomic Coverage

Project

Parent Project Information:

Maintenance

Additional Metadata

Recently Added

Recently Updated

Data Package Metadata View Summary

Temporal soil and foliar carbon and nitrogen stable isotope data from rainfall manipulation experiments at the Jornada Basin LTER, 2011-2020

+/- Data Entities

Data Table

Data Table

Data Table

Data Table

Data Table

Data Table

+/- Data Package Usage Rights

+/- Keywords

+/- Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

+/- People and Organizations

+/- Temporal, Geographic and Taxonomic Coverage

+/- Project

Parent Project Information:

+/- Maintenance

+/- Additional Metadata

Data Entities

Data Package Usage Rights

Keywords

Methods and Protocols

People and Organizations

Temporal, Geographic and Taxonomic Coverage

Project

Maintenance

Additional Metadata