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Soil Water Content Associated with Harvester Ant Nests on the Jornada Basin LTER, 1987

General Information
Data Package:
Local Identifier:knb-lter-jrn.210368004.37
Title:Soil Water Content 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 on soil characteristics were measured at three locations characterized by different soils and dominant vegetation on a desert watershed. This dataset contains gravimetric soil moisture for soil samples collected from five ant nests for each of the three sites. Please see JRN packages 210368002 and 210368003 for chemistry and organic matter data.

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

Please refer to the following article for more information:

Whitfort, 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:
1987-05-31

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

Data Entities
Data Table Name:
Soil Water Content in Harvester Ant Nests
Description:
Soil Water Content in Harvester Ant Nests
Detailed Metadata

Data Entities

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-jrn/210368004/37/82e06ace15898c9734f7a5042587ed87
Name:Soil Water Content in Harvester Ant Nests
Description:Soil Water Content in Harvester Ant Nests
Number of Records:200
Number of Columns:5

Table Structure
Object Name:JRN_368004_ant_nest_soil_water_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:TIME  
PLACE  
REP  
TRT  
SWC  
Definition:1:January 1987;36: February 1987; 70: March 1987; 98: April 1987;127: May 1987researchsite; 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 sitesoil water content percent
Storage Type:string  
string  
string  
string  
float  
Measurement Type:nominalnominalnominalnominalratio
Measurement Values Domain:
Allowed Values and Definitions
Enumerated Domain 
Code Definition
Code1
DefinitionJan-87
Source
Code Definition
Code36
DefinitionFeburary 1987
Source
Code Definition
Code70
DefinitionMar-87
Source
Code Definition
Code98
DefinitionApr-87
Source
Code Definition
Code127
DefinitionMay-87
Source
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 AreaDisturbance, Inorganic Nutrients
JRN Dataset KeywordsClimate, Soils, and Atmosphere, Plant-Animal Interactions, non-core
keywordsclimate, annual plants, ants, soil nutrients, completed

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:

Soil water content from ant nest edge soil and from adjacent reference sites (5 meter apart) was measured gravimetically at monthly intervals from January to May. A 35 cm3 soil core sample was randomly taken at the edge of each ant nest, and another soil core sample of the same volume was taken at the adjacent site (5 m away) for every ant nest to 11 cm depth. Because the surface of ant nests was relatively flat and gravelly, rock particles and greater than 2.0 mm in diameter were removed with a small brush before taking the edge soil samples. The soil core hole was refilled with adjacent soil to avoid creating a disturbance site, and rock or mineral particles were replaced.

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:
1987-05-31
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'
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        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'milligramsperkilograms'
        |     |     |     |  \___attribute 'multiplierToSI' = '1'
        |     |     |     |  \___attribute 'name' = 'milligramsperkilograms'
        |     |     |     |  \___attribute 'parentSI' = 'milligrams'
        |     |     |     |  \___attribute 'unitType' = 'mass'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |___text '\n        '
        |     |     |___text '\n        '
        |     |     |___element 'unit'
        |     |     |     |  \___attribute 'id' = 'gramsper1000centimeterscubed'
        |     |     |     |  \___attribute 'multiplierToSI' = '1'
        |     |     |     |  \___attribute 'name' = 'gramsper1000centimeterscubed'
        |     |     |     |  \___attribute 'parentSI' = 'grams'
        |     |     |     |  \___attribute 'unitType' = 'mass'
        |     |     |     |___text '\n          '
        |     |     |     |___element 'description'
        |     |     |     |___text '\n        '
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        |     |___text '\n    '
        |___text '\n  '

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