Data Package Metadata   View Summary

Grama grassland and Mesquite shrubland N leaching mineralization potential survey at the Jornada Basin LTER, 1986

General Information
Data Package:
Local Identifier:knb-lter-jrn.210395001.1
Title:Grama grassland and Mesquite shrubland N leaching mineralization potential survey at the Jornada Basin LTER, 1986
Alternate Identifier:DOI PLACE HOLDER
Abstract:

This data package contains soil N data collected in May 1986 to survey N availability in a variety of grass and mesquite habitats at the Jornada Experimental Range (JER) during the early years of the Jornada LTER (I-II). The purpose of this study was to measure inorganic soil nitrogen in the context of shifting grasslands to mesquite dominated ecosystems. Sites include fluff grass (Dasyochloa pulchella), black grama (Bouteloua eriopoda), Sporobolus/Gutierrezia, playa mesquite, and arroyo mesquite (Prosopis glandulosa). Soil samples collected on March 12-13, 1986 within the clumps of grass or beneath mesquite at each site, generally 20 cm deep or to the hard pan (whichever came first). Inorganic nitrogen leaching was measured for 28 weeks for each sample. This study is complete.

Publication Date:2020-07-30

Time Period
Begin:
1986-05-12
End:
1986-05-13

People and Organizations
Contact:Manager, Data (Jornada Basin LTER) [  email ]
Creator:Whitford, Walt (New Mexico State University)

Data Entities
Data Table Name:
Grama and mesquite N leaching mineralization potential
Description:
Grass and Mesquite N Leaching Mineralization Potential, 1986
Detailed Metadata

Data Entities


Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-jrn/210395001/1/0394facedd1c8cd74b317e97a5912f54
Name:Grama and mesquite N leaching mineralization potential
Description:Grass and Mesquite N Leaching Mineralization Potential, 1986
Number of Records:997
Number of Columns:4

Table Structure
Object Name:JRN_395001_grama_mesquite_leach_mineral.csv
Size:18361 bytes
Authentication:b33d9fd81f70c0d58563d1196e83fe4d Calculated By MD5
Text Format:
Number of Header Lines:1
Record Delimiter:\n
Orientation:column
Simple Delimited:
Field Delimiter:,

Table Column Descriptions
 
Column Name:WK  
ID  
CODE  
N  
Definition:Week of mineralization incubationSample IDSample location codeInorganic soil nitrogen (mg of Nitrogen per kg dry weight of soil)
Storage Type:string  
string  
string  
float  
Measurement Type:nominalnominalnominalratio
Measurement Values Domain:
DefinitionWeek of mineralization incubation
DefinitionSample ID
Allowed Values and Definitions
Enumerated Domain 
Code Definition
CodeMD_USDA
DefinitionUSDA Mesquite Dunes (Sample i.d.'s 1-10)
Source
Code Definition
CodeBD_USDA
DefinitionUSDA Between Dunes (Sample i.d.'s 11-20)
Source
Code Definition
CodeGG_IBP
DefinitionIBP Grama Grassland (Sample i.d.'s 21-30)
Source
Code Definition
CodeGG_USDA
DefinitionUSDA Grama Grassland (Sample i.d.'s 31-40)
Source
Code Definition
CodeAM_LTER
DefinitionLTER Arroyo Mesquite (Sample i.d.'s 41-50)
Source
Code Definition
CodeFG_LTER
DefinitionLTER Fluff Grass (Sample i.d.'s 51-60)
Source
Code Definition
CodeGG_LTER
DefinitionLTER Grama Grassland (Sample i.d.'s 61-70)
Source
Code Definition
CodePM_LTER
DefinitionLTER Playa Mesquite (Sample i.d.'s 71-80)
Source
Code Definition
CodeSG_USDA
DefinitionUSDA Sporobolus/ Gutierrezia (Sample i.d.'s 81-90)
Source
Code Definition
CodeMG_USDA
DefinitionUSDA Mesquite Grassland (Sample i.d.'s 91-100)
Source
UnitmilligramsPerKilogram
Typereal
Min0.18 
Max51.95 
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) has an ethical obligation 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 Controlled Vocabularydeserts, grasslands, shrubs, nutrients, soil chemistry, plant ecology, soil properties, soil samples, nitrogen mineralization, soil
Jornada Project Namesstudy 395
JRN Dataset KeywordsLTER I
Jornada Place NamesJER
LTER Core AreaInorganic Nutrients

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:

To survey inorganic nitrogen concentrations of soils associated with mesquite (Prosopis glandulosa) and several grass habitats, 10 sites were established at the Jornada Basin in 1986. Sites include USDA Mesquite Dunes (MD_USDA), USDA Between Dunes (BD_USDA), IBP Grama Grassland (GG_IBP), USDA Grama Grassland (GG_USDA), LTER Arroyo Mesquite (AM_LTER), LTER Fluff Grass (FG_LTER), LTER Grama Grassland (GG_LTER), LTER Playa Mesquite (GG_LTER), USDA Sporobolus/ Gutierrezia (SG_USDA), USDA Mesquite Grassland (MG_USDA). Soil samples were collected to 20 cm or to hard pan, whichever came first. At FG_LTER, samples were collected on the lower grassland control transect from fluff grass clumps. At GG_LTER, GG_USDA, GG_IBP, samples were collected from the upper grassland control transect from black grama clumps. GG-USDA is classified as a grazed site, while GG_Ibp is classified as a grazing exclosure. At SG_USDA, samples were collected from sporobolus/Gutierrezia clumps. SG_USDA is dominated by these grasses though mesquite was observed to be increasing in this site. Mesquite samples were taken from AM-LTER and PM_LTER, which had few to no detectable hardpans. Nitrogen mineralization of soils was measured for up 28 weeks following Stanford and Smith, 1972, Nitrogen Mineralization Potentials of Soils. Briefly, an incubation procedure was utilized to describe the relationship between cumulative N and incubation periods. Incubation continued for 28 weeks at 350 C, where mineralized nitrogen was removed by leaching with 0.01 M CaCI2 at 0, 1 2, 4, 8, 12, 16, 20, 24, and 28-week intervals. The N value was then estimated from the cumulative amounts of nitrogen mineralized under these conditions. This data set contains the week of analysis, sample number, site, and inorganic nitrogen (mg-N/kg-dry soil).

People and Organizations

Creators:
Individual: Walt Whitford
Organization:New Mexico State University
Id:https://orcid.org/0000-0003-1155-6162
Contacts:
Individual: Data Manager
Organization:Jornada Basin LTER
Email Address:
datamanager.jrn.lter@gmail.com

Temporal, Geographic and Taxonomic Coverage

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

Time Period
Begin:
1986-05-12
End:
1986-05-13
Geographic Region:
Description:Basin_Floor
Bounding Coordinates:
Northern:  32.7494871Southern:  32.47317259
Western:  -106.8728831Eastern:  -106.6927163

Project

Parent Project Information:

Title:Jornada Basin LTER (I/II)
Personnel:
Individual: Walt Whitford
Organization:New Mexico State University
Id:https://orcid.org/0000-0003-1155-6162
Role:Principal Investigator
Funding: NSF, LTER-I DEB 8612106
Related Project:
Title:No project title to report
Personnel:
Individual: Fred Fisher
Role:Principal Investigator
Funding: No funding to report

Maintenance

Maintenance:
Description:complete
Frequency:

Additional Info

Additional Information:
 

Creosotebush zone plots (C) in Caliche area (CALI) about 40 meters upslope from C-CALI NPP site, and in area of termite studies (TERM) located about 300 meters west of Upper Trailer. Grassland (G) plots at Mt. Summerford (SUMM) upslope of powerline, and about 50 meters east of LTER-I Alternate Control Transect, and about 30 meters west of the southwest corner of the IBP exclosure on the USDA Jornada Experimental Range.

Other Metadata

Additional Metadata

additionalMetadata
        |___text '\n    '
        |___element 'metadata'
        |     |___text '\n      '
        |     |___element 'unitList'
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'milligramsPerKilogram'
        |     |     |     |  \___attribute 'multiplierToSI' = '0.000001'
        |     |     |     |  \___attribute 'name' = 'milligramsPerKilogram'
        |     |     |     |  \___attribute 'parentSI' = 'gramsPerGram'
        |     |     |     |  \___attribute 'unitType' = 'massPerMass'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text 'milligrams in a kilogram'
        |     |     |     |___text '\n        '
        |     |     |___text '\n      '
        |     |___text '\n    '
        |___text '\n  '

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