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Soil Organic Matter Associated with Harvester Ant Nests on the Jornada Basin LTER, 1987

General Information
Data Package:
Local Identifier:knb-lter-jrn.210368003.39
Title:Soil Organic Matter Associated with Harvester Ant Nests on the Jornada Basin LTER, 1987
Alternate Identifier:DOI PLACE HOLDER
Abstract:

The effects of harvester ant (Pogonomyrmex rugosus) nests on soil characteristics were measured at three locations characterized by different soils and dominant vegetation on a desert watershed. This dataset contains percent organic matter for soil samples collected from five ant nests for each of the three sites. Organic matter was determined by total combustion in an electric muffle furnace at 600 C for 8 hours using the same soil samples as used for water content measurements.

Please see JRN packages 210368002 and 210368004 for chemistry and water content data.

This project demonstrated that the effects of ants on soil properties and vegetation vary with site location and soil type. This study is complete.

Please refer to the following article for more information:

Whitford, Walter G. and Rudolfo DiMarco. 1995. Variability in soils and vegetation associated with harvester ant nests on a Chihuahuan Desert watershed. Biol Fertil Soils 20: 169-173.

Publication Date:2019-07-19

Time Period
Begin:
1987-01-01
End:
1987-01-31

People and Organizations
Contact:Manager, Data  [  email ]
Creator:Di Marco, Rodolfo 
Associate:Jornada Basin LTER

Data Entities
Data Table Name:
Soil Organic Matter in Harvester Ant Nests
Description:
Soil Organic Matter in Harvester Ant Nests
Detailed Metadata

Data Entities

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-jrn/210368003/39/0456e7ad01aa5eeaf5854e2cfbe0d239
Name:Soil Organic Matter in Harvester Ant Nests
Description:Soil Organic Matter in Harvester Ant Nests
Number of Records:200
Number of Columns:5

Table Structure
Object Name:JRN_368003_ant_nest_soil_OM_data.csv
Size:3028 bytes
Authentication:1e8babc986c122e7388c929a946b3a07 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:SAMPLE  
PLACE  
REP  
TRT  
ORGMATR  
Definition:Sample Numberresearchsite; 1=burrograss tobosa swale; 2=college playa; 3=upper basin mixed grassesreplicate 1-8 when place=1; 1-5 when place=2; 1-7 when place=31=ant nest perimeter; 2=reference siteOrganic Matter Content Percentage
Storage Type:string  
string  
string  
string  
float  
Measurement Type:nominalnominalnominalnominalratio
Measurement Values Domain:
DefinitionSample Number
Allowed Values and Definitions
Enumerated Domain 
Code Definition
Code1
Definitionburrograss-toboso swale
Source
Code Definition
Code2
Definitioncollege playa-fringe
Source
Code Definition
Code3
Definitionupper basin slope-mixed grasses
Source
Definitionreplicate 1-8 when place=1; 1-5 when place=2; 1-7 when place=3
Allowed Values and Definitions
Enumerated Domain 
Code Definition
Code1
Definitionant nest perimeter
Source
Code Definition
Code2
Definitionreference site
Source
Unitdimensionless
Typereal
Min1.46 
Max16.78 
Missing Value Code:        
CodeNULL
Explmissing value
Accuracy Report:          
Accuracy Assessment:          
Coverage:          
Methods:          

Data Package Usage Rights

This data package is released to the "public domain" under Creative Commons CC0 1.0 "No Rights Reserved" (see: https://creativecommons.org/publicdomain/zero/1.0/). It is considered professional etiquette to provide attribution of the original work if this data package is shared in whole or by individual components. A generic citation is provided for this data package on the website https://portal.edirepository.org (herein "website") in the summary metadata page. Communication (and collaboration) with the creators of this data package is recommended to prevent duplicate research or publication. This data package (and its components) is made available "as is" and with no warranty of accuracy or fitness for use. The creators of this data package and the website shall not be liable for any damages resulting from misinterpretation or misuse of the data package or its components. Periodic updates of this data package may be available from the website. Thank you.

Keywords

By Thesaurus:
LTER Core AreaOrganic Matter
JRN Dataset KeywordsPlant-Animal Interactions, non-core
LTER Controlled Vocabularyclimate, ants, soil nutrients, organic matter

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:

In January 1987, organic matter was determined by total combustion in an electric muffle furnace at 600 C for 8 hours using the same soil samples as used for water content measurements. The percent weight loss during the ignition step was used to estimate percent organic matter.

People and Organizations

Creators:
Individual: Rodolfo Di Marco
Contacts:
Individual: Data Manager
Email Address:
datamanager.jrn.lter@gmail.com
Associated Parties:
Individual: Jornada Basin LTER
Email Address:
https://jornada.nmsu.edu/lter
Role:Organization

Temporal, Geographic and Taxonomic Coverage

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

Time Period
Begin:
1987-01-01
End:
1987-01-31
Geographic Region:
Description:Our study site is located in the northern Chihuahuan Desert, approximately 25 km northeast of Las Cruces, New Mexico, USA (+32.6 N, -106.7 W, elevation 1315 m). Annual precipitation is 24 cm and maximum temperatures average 13 C in January and 36 C in June. Our study site includes the 78,000 ha Jornada Experimental Range operated by the USDA Agricultural Research Service (http://jornada.nmsu.edu/), and the 22,000 ha Chihuahuan Desert Rangeland Research Center (CDRRC, http://chihuahuansc.nmsu.edu/) operated by New Mexico State University (http://www.nmsu.edu/). Please contact our data manager for more detailed location information (datamanager.jrn.lter@gmail.com)
Bounding Coordinates:
Northern:  32.7494871Southern:  32.47317259
Western:  -106.8728831Eastern:  -106.6927163

Project

Maintenance

Maintenance:
Description:Sampling occurred in 1987. This sampling is complete
Frequency:
Other Metadata

Additional Metadata

additionalMetadata
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        |___element 'metadata'
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        |     |___element 'unitList'
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'millequivalentper100grams'
        |     |     |     |  \___attribute 'multiplierToSI' = '1'
        |     |     |     |  \___attribute 'name' = 'millequivalentper100grams'
        |     |     |     |  \___attribute 'parentSI' = 'equivalent'
        |     |     |     |  \___attribute 'unitType' = 'equivalent'
        |     |     |     |___text '\n          '
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        |     |     |___element 'unit'
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        |     |     |     |  \___attribute 'parentSI' = 'milligrams'
        |     |     |     |  \___attribute 'unitType' = 'mass'
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        |     |     |     |___text '\n        '
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        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'gramsper1000centimeterscubed'
        |     |     |     |  \___attribute 'multiplierToSI' = '1'
        |     |     |     |  \___attribute 'name' = 'gramsper1000centimeterscubed'
        |     |     |     |  \___attribute 'parentSI' = 'grams'
        |     |     |     |  \___attribute 'unitType' = 'mass'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |___text '\n        '
        |     |     |___text '\n      '
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