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Repeat, ground-based photographs of microplots at the three Conmod Pilot study locations at Jornada Basin LTER, 2008-2016

General Information
Data Package:
Local Identifier:knb-lter-jrn.210308005.1
Title:Repeat, ground-based photographs of microplots at the three Conmod Pilot study locations at Jornada Basin LTER, 2008-2016
Alternate Identifier:DOI PLACE HOLDER
Abstract:

This data package contains ground-based, repeat photographs taken at plots in the Connectivity Modifier (Conmod) Pilot study on the Jornada Experimental Range from 2008-2016. There were 3 sites for this study: Gravelly Ridges, Aeolian, and Dona Ana. Within each site, there were 8 study plots, 4 of which were treatment plots where connectivity modules (conmods) were installed to decrease gap sizes between perennial vegetation. The plots were 8 x 8 meters and had an 8 x 8 meter buffer zone on both sides of the plot (upwind and downwind). Beginning in 2008, photographs were taken once to twice per year at ten microplots located within the 8 study plots to document plant litter, plant germination and growth, and soil deposition/removal by wind and water transport. Five photos were taken of each microplot: One overhead (from directly over the microplot) and 4 lateral views at ground level from each cardinal direction. Photo filenames are fully descriptive of the site, plot, microplot, photo view, and date taken (see Methods description for details). This study is complete (finished in 2016) and was the pilot study to the newer Cross Scale Interactions Study.

Publication Date:2019-11-22

Time Period
Begin:
2008-05-02
End:
2016-08-05

People and Organizations
Contact:Peters, Debra (USDA-ARS Jornada Experimental Range) 
Contact:Manager, Data (Jornada Basin LTER) [  email ]
Creator:Okin, Gregory S (University of California Los Angeles)
Creator:Peters, Debra (USDA-ARS Jornada Experimental Range)
Creator:Herrick, Jeff (USDA-ARS Jornada Experimental Range)

Data Entities
Data Table Name:
Tabular list (.csv) of photograph file names
Description:
Tabular list (.csv) of photograph file names
Other Name:
Comment history for Conmod Pilot data
Description:
Comment history for Conmod Pilot data
Other Name:
Treatment, measurement, and microplot design map for Conmod Pilot plots
Description:
Treatment, measurement, and microplot design map for Conmod Pilot plots
Detailed Metadata

Data Entities

Data Table

Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-jrn/210308005/1/b99a0f38b56ef9c66975b7def3d65ea1
Name:Tabular list (.csv) of photograph file names
Description:Tabular list (.csv) of photograph file names
Number of Records:14238
Number of Columns:5

Table Structure
Object Name:JRN_308005_conmod_pilot_photos.csv
Size:933392 bytes
Authentication:1427f1cfb643d6559300af3892dcb04c Calculated By MD5
Text Format:
Number of Header Lines:1
Record Delimiter:\n
Orientation:column
Simple Delimited:
Field Delimiter:,

Table Column Descriptions
 
Column Name:recordno  
filename  
size  
date  
time  
Definition:Photo numberName of the photo file (contains photo metadata)Photo file size in bytesDate of photographTime of photograph
Storage Type:float  
string  
float  
date  
date  
Measurement Type:rationominalratiodateTimedateTime
Measurement Values Domain:
Unitnumber
Typenatural
Min1 
Max14238 
DefinitionName of the photo file (contains photo metadata)
Unitnumber
Typenatural
Min817232 
Max8221033 
FormatYYYY-MM-DD
Precision
Formathh:mm:ss
Precision
Missing Value Code:          
Accuracy Report:          
Accuracy Assessment:          
Coverage:          
Methods:          

Non-Categorized Data Resource

Name:Comment history for Conmod Pilot data
Entity Type:unknown
Description:Comment history for Conmod Pilot data
Physical Structure Description:
Object Name:Connectivity-pilot_his.txt
Size:23208 bytes
Authentication:c4c391571a142ef6b942a7874905325d Calculated By MD5
Externally Defined Format:
Format Name:unknown
Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-jrn/210308005/1/cab4a220d2f45562187855ceeb49c4c3

Non-Categorized Data Resource

Name:Treatment, measurement, and microplot design map for Conmod Pilot plots
Entity Type:unknown
Description:Treatment, measurement, and microplot design map for Conmod Pilot plots
Physical Structure Description:
Object Name:ConnectivityMicroplotMaps_A-D-G_Update_7.1.2010.pdf
Size:298243 bytes
Authentication:fc5593eef397feb409ced330f97cbef1 Calculated By MD5
Externally Defined Format:
Format Name:unknown
Data:https://pasta-s.lternet.edu/package/data/eml/knb-lter-jrn/210308005/1/3b453adf2223cc9d493019cccb32aa96

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 Controlled Vocabularycanopy cover, land surface properties, plant cover, imagery, photo point imagery, erosion, deposition, deserts
JRN Dataset KeywordsHydrology, Vegetation Dynamics, LTER V, Management Practices
Jornada Project NamesConmod, study 308
Jornada Place NamesGravelly Ridges, Aeolian, Dona Ana
LTER Core AreaDisturbance, Land Use and Land Cover Change
(No thesaurus)repeat photography, ground-based photography

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:

Connectivity Modifier (Conmod) Pilot methods

This data package consists of a collection of archive files (.zip format) each containing photographs for one year of the study, and a data table describing individual photo files by name, size, and date/time taken. Additional files include a history file recording observations impacting the measurements in the study and a schematic of how the study plots and microplots were arranged at each site. Both of these documents are listed in the "Additional documents" section below)

Basic Study Set Up and Location

There are 3 sites for the Conmod Pilot study: Gravelly Ridges, Aeolian, and Dona Ana (referred to as G, A, and D, respectively). Within each site, there are 8 plots. The plots are 8 x 8 meters and have an 8 x 8 meter buffer zone on both sides of the plot (upwind and downwind). At each site, 4 of the 8 plots are treatment plots where connectivity modules (conmods) have been installed to decrease the gap size between perennial vegetation. The other 4 plots are untreated controls. Buffer zones do not have conmods installed and no photos are taken there.

In 2008, 10 locations were selected at random within each study plot to become the permanent set of microplots used for the repeat annual photos. In treatment plots, microplots have conmods that are 50cm diameter x 20cm tall. Beginning in 2008, photographs were taken using a digital camera once to twice per year in each microplot to document plant litter, plant germination and growth, and soil deposition/removal by wind and water transport. Five photos were taken of each microplot: One overhead (from directly over the microplot) and 4 lateral views at ground level from each cardinal direction.

Photo file naming

Digital photo filenames are fully descriptive of the site, plot, microplot, photo view, and date taken.

Example: A1-1E_20101109_IMG_1006368.jpg

General structure: 12-34_55556677_88888888888.jpg

Where,

1 = site (A=Aeolian: D=Dona Ana; G=Gravelly Ridges)

2 = study plot (1-8)

3 = microplot (1-10)

4 = photo view (O=overview; E=looking east; N=looking north; S=looking south; W=looking west)

5-6-7 = year month day of photo

8 = original image number assigned by camera

Treatment plots by site

Aeolian site: 1,3,6,7 (Control plots are 2,4,5,8)

Dona Ana site: 1,3,6,8 (Control plots are 2,4,5,7)

Gravelly Ridges site: 2,4,6,8 (Control plots are 1,3,5,7)

Additional documents

Mapped locations of each microplot (called "Photo coops"), and other locations and infrastructure, within the ConMod Pilot plots are found in "ConnectivityMicroplotMaps_A-D-G.pdf"

Historical and contextual notes about data collection (and the "comments" column) are found in the file "Connectivity-pilot_his.txt"

References

Herrick, J. E., J. W. Van Zee, K. M. Havstad, L. M. Burkett, and W. G. Whitford. "Monitoring manual for grassland, shrubland and savanna ecosystems, Volume I." US Department of Agriculture-Agriculture Research Service, Jornada Experimental Range, Las Cruces, New Mexico (2005).

People and Organizations

Creators:
Individual: Gregory S Okin
Organization:University of California Los Angeles
Id:https://orcid.org/0000-0002-0484-3537
Individual: Debra Peters
Organization:USDA-ARS Jornada Experimental Range
Id:https://orcid.org/0000-0002-5842-8099
Individual: Jeff Herrick
Organization:USDA-ARS Jornada Experimental Range
Contacts:
Individual: Debra Peters
Organization:USDA-ARS Jornada Experimental Range
Id:https://orcid.org/0000-0002-5842-8099
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:
2008-05-02
End:
2016-08-05
Geographic Region:
Description:A (Aeolian) collectors located in the Basin Floor. Contact the data manager for more precise study coordinates.
Bounding Coordinates:
Northern:  32.7494871013Southern:  32.4731725883
Western:  -106.87288312Eastern:  -106.692716261
Geographic Region:
Description:G (Gravelly ridges) collectors located in East Bajada. Contact the data manager for more precise study coordinates.
Bounding Coordinates:
Northern:  32.68957116Southern:  32.53118449
Western:  -106.6846111Eastern:  -106.5903632
Geographic Region:
Description:D (Dona Ana) collectors located in the West Bajada. Contact the data manager for more precise study coordinates.
Bounding Coordinates:
Northern:  32.5427713Southern:  32.46722784
Western:  -106.8514602Eastern:  -106.7294433

Project

Parent Project Information:

Title:Jornada Basin LTER
Personnel:
Individual: Debra Peters
Organization:USDA-ARS Jornada Experimental Range
Id:https://orcid.org/0000-0002-5842-8099
Role:Principal Investigator
Funding: NSF: DEB-1832194

Maintenance

Maintenance:
Description:completed
Frequency:

Additional Info

Additional Information:
 

There are 3 site locations:  Aeolian, Dona Ana, Gravelly Ridges.  The UTM coordinates below are approximate, and based on the UAV photo coverage we have for each site.

Precise GPS coordinates are available.

Dona Ana.  These are located north of Herrick’s SD97C (Surface Disturbance) exclosure, which is north of the Dona Ana exclosure, which is in the SW corner of JER Pasture 6.

   DA1     334992.42476300000      3596630.43159000000    DA2     334992.42675400000      3596112.28705000000    DA3     335490.35961900000      3596112.30170000000    DA4     335490.36881400000      3596630.40896000000

Aeolian. These are located just east of the gas pipeline, near the scrape site.

   AE1     334253.41442800000      3606226.21293000000    AE2     333263.17702400000      3606226.21887000000    AE3     333263.16474900000      3605411.37177000000    AE4     334253.40961100000      3605411.35650000000

Gravelly Ridges.  These are located south of the SE corner of the Gravelly Ridges exclosure, north of the road to NASA.  All are outside of the exclosure.

   GR1     350381.01412200000      3604795.02860000000    GR2     349883.09428900000      3604795.02926000000    GR3     349883.11877100000      3604276.88904000000    GR4     350381.05237400000      3604276.87003000000

Other Metadata

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