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GCE-LTER Data Set Summary

Accession: PLT-GCEM-2510 Research Theme: Plant Ecology (Monitoring)
Contributors: Steven C. Pennings, Christine Hladik, Emily Pace
Title: RTK survey of permanent monitoring plots at Altamaha plant transition sites conducted between 2015 and 2025.
Abstract: Initial real time kinematic (RTK) GPS survey of ground elevations of GCE permanent monitoring plots at the Altamaha plant transition sites ZSC1 and ZSC2 was conducted in January 2013. RTK survey of permanent monitoring plots at Altamaha plant transition site SCSA was conducted in July 2025. Plots that experienced terminal slump or could not be found for any reason were replaced with a new plot in the same general area with the plot code incremented by 10. For example if plot 3 was lost, it was replaced by 13, and then in turn by 23. This data set will be updated as future RTK measurement of the plots are made.
DOI: 10.6073/pasta/ca4a0bbc6c908bd8100539e291b256a0
Key Words: Altamaha River, Altamaha Sound, elevation, global positioning system, plant communities
LTER Core Area: Primary Production
Research Themes: Plant Ecology
Study Period: 14-Jan-2013 to 01-Jul-2025
Study Sites:
SCSA -- SCSA Altamaha Plant Transition Site, Georgia, USA
ZSC1 -- ZSC1 Altamaha Plant Transition Site, Georgia, USA
ZSC2 -- ZSC2 Altamaha Plant Transition Site, Georgia, USA
» Download Geographic Coverage: Google Earth
Data References: PLT-GCEM-1801c (Plot disturbance data from Altamaha plant transition sites), PLT-GCES-1609c (Long-term Altamaha plant monitoring data set)
Downloads: Information

Data Table: PLT-GCEM-2510 (Main data table for data set PLT-GCEM-2510, 24 records)

Access: Public (released 08-Oct-2025)

Metadata: Text (ESA FLED), XML (Ecological Metadata Language)

Data Formats: Spreadsheet (CSV) [4.76kb],  Text File [3.96kb],  MATLAB (GCE Toolbox) [19.91kb],  MATLAB (Variables) [23.18kb],  Text Report [24.01kb]

Column List:(hide)

Column Name Units Type Description
1 Location none string Geographic location code in the GCE Metadata Database for the sampling plot
2 Site_name none string GCE LTER sampling site name
3 Zone none integer Nominal marsh zone
4 Plot none integer Permanent plot number
5 Description none string Location description
6 UTM_Zone none string UTM zone
7 UTM_Northing m floating-point UTM northing
8 UTM_Easting m floating-point UTM easting
9 UTM_Datum none string UTM datum
10 Longitude degrees floating-point Longitude in decimal degrees
11 Latitude degrees floating-point Latitude in decimal degrees
12 Elevation m floating-point Plot elevation in meters
13 Elevation_Datum non string Elevation datum
14 Date_Measured YYYY-MM-DD string Date of location measurement
15 Duplicate none integer Duplicate measurement of previously measured plot (0 = no, 1 = yes)
Statistics: Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS
Citation: Pennings, Steven C. 2025. RTK survey of permanent monitoring plots at Altamaha plant transition sites conducted between 2015 and 2025. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/ca4a0bbc6c908bd8100539e291b256a0

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This material is based upon work supported by the National Science Foundation under grants OCE-9982133, OCE-0620959, OCE-1237140, OCE-1832178 and OCE-2425396. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.