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Number of Nodulating Rhizobia in Mesquite Dune Sites in the Jornada Basin, 1988 and 1989

General Information
Data Package:
Local Identifier:knb-lter-jrn.210386004.22
Title:Number of Nodulating Rhizobia in Mesquite Dune Sites in the Jornada Basin, 1988 and 1989
Alternate Identifier:DOI PLACE HOLDER
Abstract:

This package contains data from a study that measured concentrations of mesquite-nodulating rhizobia nodules on irrigated and non-irrigated dune plots at the Jornada Experimental Range from 1988-1989. Five mesquite dunes were irrigated by pumping water from a storage tank located 200 m from the site to the apex of each dune. Irrigation began in March with approximately 2.5 cm applied 2-3 times/week for 6 weeks to initially wet the dry soil. Thereafter high water availability was maintained by weekly irrigation. Five non-irrigated dunes served as control. Five to 6 replicate soil samples were collected with hand augers under each mesquite shrub (Prosopis glandulosa) to three depths, 0-50 and 50-100, and 100-150cm. Concentrations of mesquite-nodulating rhizobia in field-moist soil samples were estimated using the plant-infection, most probable number (MPN) technique. Data consists of the date of collection, treatment, mesquite dune number, depth, replicate, and number of nodules. This study is complete.

Publication Date:2020-02-07

Time Period
Begin:
1988
End:
1989

People and Organizations
Contact:Data Manager(Jornada Basin LTER) [  email ]
Creator:Virginia, Ross 
Creator:Whitford, Watlter 
Associate:Silva, Solange 
Associate:McBride, Robin 
Associate:Virginia, Ross 

Data Entities
Data Table Name:
Estimated Number of Nodulating Rhizobia in Mesquite at Watered and Unwatered Dune Sites in the Jornada Basin, 1988 and 1989
Description:
Estimated Number of Nodulating Rhizobia in Mesquite at Watered and Unwatered Dune Sites in the Jornada Basin, 1988 and 1989
Detailed Metadata

Data Entities

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-jrn/210386004/22/f363b0f8a294d42c79e5b00e24211175
Name:Estimated Number of Nodulating Rhizobia in Mesquite at Watered and Unwatered Dune Sites in the Jornada Basin, 1988 and 1989
Description:Estimated Number of Nodulating Rhizobia in Mesquite at Watered and Unwatered Dune Sites in the Jornada Basin, 1988 and 1989
Number of Records:1110
Number of Columns:6

Table Structure
Object Name:Mesquite_nod_rhizobia.csv
Size:30954 bytes
Authentication:679883d46fecb01bd540bbdf08afac61 Calculated By MD5
Text Format:
Number of Header Lines:1
Record Delimiter:\r\n
Orientation:column
Simple Delimited:
Field Delimiter:,

Table Column Descriptions
 
Column Name:DATE  
TRT  
DUNE  
DEPTH  
REP  
NOD  
Definition:Year the data was collectedTreatment (C = Control W = irrigated)Dune number (1-5)Soil Core Depth range (cm) [50 = 0-50 100 = 0-100 150 = 100-150 ]Soil Core Replication Number [1-6]Number of nodules
Storage Type:date  
string  
string  
float  
string  
float  
Measurement Type:dateTimenominalnominalrationominalratio
Measurement Values Domain:
FormatYYYY-MM-DD
Precision
DefinitionTreatment (C = Control W = irrigated)
DefinitionDune number (1-5)
Unitcentimeter
Typenatural
Min50 
Max150 
DefinitionSoil Core Replication Number [1-6]
Unitnumber
Typereal
Min0 
Max61 
Missing Value Code:          
CodeNA
ExplNo data collected
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:
JRN Dataset KeywordsAeolian (Wind Related), Climate, Soils, and Atmosphere, LTER I, LTER II
Jornada Project Namesstudy 386
LTER Core AreaPopulations
Jornada Place NamesJER
LTER Controlled Vocabularysoil, plant ecology, bacterial abundance, soil properties, precipitation, nitrogen cycling, microbial activity, symbiosis, irrigation, desert, dunes, rhizosphere
(No thesaurus)rhizobia, mesquite

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:

Design, treatments, and vegetation measurements

This study was conducted on the Jornada Experimental Range (JER) from 1988-89. The objective of this study was to measure nodulating rhizobia of honey mesquite shrubs (Prosopis glandulosa) of irrigated treatments and non-irrigated controls. Precipitation is 230mm/yr, with half occurring during the summer. The vegetation is coppice mesquite dunes (30% cover) with scattered shrubs of saltbush and snakeweed. Five mesquite dunes were irrigated by pumping water from storage tank located 200 m from the site. Water was applied to the dunes with an overhead sprinkler (later replaced by a drip irrigation system to minimize wind drift) located at the apex of each dune. Irrigation began in March with approximately 2.5 cm applied 2-3 times/week for 6 weeks to initially wet the dry soil. Thereafter high water availability was maintained by weekly irrigation. Five non-irrigated dunes served as control. Soil samples were collected with hand augers under each mesquite to three depths, 0-50 and 50-100, and 100-150cm. Soil samples were placed in plastic bags, tied, and stored in portable coolers. Concentrations of mesquite-nodulating rhizobia in field-moist soil samples were estimated using the plant-infection, most probable number (MPN) technique (Vincent 1970).

References

==========

Vincent, J. M. 1970. A manual for the practical study of root-nodule bacteria. IBP Handbook 15. Blackwell Scientific Publi., Oxford, England.

People and Organizations

Creators:
Individual: Ross Virginia
Individual: Watlter Whitford
Contacts:
Individual: Data Manager
Organization:Jornada Basin LTER
Email Address:
datamanager.jrn.lter@gmail.com
Associated Parties:
Individual: Solange Silva
Role:Graduate Student
Individual: Robin McBride
Role:Graduate Student
Individual: Ross Virginia
Role:Former Pi

Temporal, Geographic and Taxonomic Coverage

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

Time Period
Begin:
1988
End:
1989
Geographic Region:
Description:Basin_Floor
Bounding Coordinates:
Northern:  32.7494871Southern:  32.47317259
Western:  -106.8728831Eastern:  -106.6927163

Project

Maintenance

Maintenance:
Description:complete
Frequency:
Other Metadata

Additional Metadata

additionalMetadata
        |___text '\n    '
        |___element 'metadata'
        |     |___text '\n      '
        |     |___element 'unitList'
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'centimeter'
        |     |     |     |  \___attribute 'multiplierToSI' = '0.01'
        |     |     |     |  \___attribute 'name' = 'centimeter'
        |     |     |     |  \___attribute 'parentSI' = 'meter'
        |     |     |     |  \___attribute 'unitType' = ''
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |     |___text '.01 meters'
        |     |     |     |___text '\n        '
        |     |     |___text '\n      '
        |     |___text '\n    '
        |___text '\n  '

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