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GCE-LTER Data Set Summary

Accession: PLT-GCET-1510 Research Theme: Plant Ecology (Graduate Thesis Study)
Contributors: Fan Li, Steve Pennings
Title: Pot experiment on fresh and brackish marsh plants responses to salinity pulses in summer 2013
Abstract: We collected 35 individuals of three freshwater species (Zizaniopsis miliacea, Pontederia cordata, Polygonum hydropiperoides) and brackish species (Juncus roemerianus, Schoenoplectus americanus, and Spartina cynosuroides) from the tidal marshes of the Altamaha River estuary, Georgia, USA (31.4° N, 81.4° W). Plants were collected on March 9 - March 11, 2013, and were potted individually in 12 L pots in sediments collected from the same location as plants. Individual potted plants were placed inside dish pans with drain holes at mid-pot height. For salinity treatments, plants were watered once a day with saline water (5 psu: practical salinity units, created using Instant Ocean Sea Salt, Aquarium System Inc., Mentor, OH, USA) for 1, 2, 4, 8, 16, or 31 days per month, and then returned to freshwater. For the control treatment, plants were watered with freshwater daily. Treatments were ran from May 26 to August 28, 2013, and stem height of each plant was measured once a month. The experiment was harvested on August 28, 2013. Individual plants were separated into aboveground and belowground biomass, washed to remove soil, and dried at 60 °C to constant mass.
DOI: 10.6073/pasta/690678e3e59c48b975e65a354d798a76
Key Words: aboveground biomass, belowground biomass, brackish, disturbance, freshwater, marshes, plant biomass, plants, pulse, stems
LTER Core Area: Other Site Research
Research Themes: Q1 - External Forcing, Q3 - Longitudinal Gradients, GCE3 Area3 - Responses to Salinity and Inundation, Plant Ecology
Study Period: 26-May-2013 to 28-Aug-2013
Study Sites:
UGAMI -- UGA Marine Institute, Sapelo Island, Georgia, USA
GCE-AL -- Altamaha River, Georgia, USA
» Download Geographic Coverage: Google Earth, ESRI Shapefile (polygons)
Species References: Juncus roemerianus, Persicaria hydropiperoides, Pontederia cordata, Scirpus americanus, Spartina cynosuroides, Zizaniopsis miliacea
Project References: SALTEx - Seawater Addition Long Term Experiment
Downloads: Information

Data Table: PLT-GCET-1510_Biomass (Biomass data, 210 records)

Access: Public (released 04-Mar-2016)

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

Data Files: Spreadsheet (CSV) [14.62kb],  Text File [12.93kb],  Text Report [26.59kb],  MATLAB (GCE Toolbox) [120.11kb],  MATLAB (Variables) [92.60kb]

Column List:(display)


Data Table: PLT-GCET-1510_Juncus_stem_height (Juncus roemerianus stem height data, 3495 records)

Access: Public (released 04-Mar-2016)

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

Data Files: Spreadsheet (CSV) [156.89kb],  Text File [149.61kb],  Text Report [177.69kb],  MATLAB (GCE Toolbox) [455.64kb],  MATLAB (Variables) [428.94kb]

Column List:(display)


Data Table: PLT-GCET-1510_Persicaira_stem_height (Persicaira hydropiperoides stem height data, 648 records)

Access: Public (released 04-Mar-2016)

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

Data Files: Spreadsheet (CSV) [29.01kb],  Text File [27.28kb],  Text Report [41.83kb],  MATLAB (GCE Toolbox) [153.87kb],  MATLAB (Variables) [127.02kb]

Column List:(display)


Data Table: PLT-GCET-1510_Pontederia_stem_height (Pontederia cordata stem height data, 1426 records)

Access: Public (released 04-Mar-2016)

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

Data Files: Spreadsheet (CSV) [63.56kb],  Text File [60.31kb],  Text Report [78.28kb],  MATLAB (GCE Toolbox) [229.66kb],  MATLAB (Variables) [203.02kb]

Column List:(display)


Data Table: PLT-GCET-1510_Scirpus_stem_height (Scirpus americanus stem height data, 3645 records)

Access: Public (released 04-Mar-2016)

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

Data Files: Spreadsheet (CSV) [163.16kb],  Text File [155.58kb],  Text Report [184.30kb],  MATLAB (GCE Toolbox) [445.80kb],  MATLAB (Variables) [419.51kb]

Column List:(display)


Data Table: PLT-GCET-1510_Spartina_stem_height (Spartina cynosuroides stem height data, 604 records)

Access: Public (released 04-Mar-2016)

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

Data Files: Spreadsheet (CSV) [27.27kb],  Text File [25.63kb],  Text Report [39.88kb],  MATLAB (GCE Toolbox) [148.89kb],  MATLAB (Variables) [122.54kb]

Column List:(display)


Data Table: PLT-GCET-1510_Zizaniopsis_stem_height (Zizaniopsis miliacea stem height data, 449 records)

Access: Public (released 04-Mar-2016)

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

Data Files: Spreadsheet (CSV) [20.41kb],  Text File [19.07kb],  Text Report [32.73kb],  MATLAB (GCE Toolbox) [133.76kb],  MATLAB (Variables) [107.41kb]

Column List:(display)

Statistics: Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS
Citation: Li, Fan. 2015. Pot experiment on fresh and brackish marsh plants responses to salinity pulses in summer 2013. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/690678e3e59c48b975e65a354d798a76

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This material is based upon work supported by the National Science Foundation under grants OCE-9982133, OCE-0620959 and OCE-1237140. 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.