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GCE-LTER Data Set Summary

Accession: PLT-GCEM-1610 Research Theme: Plant Ecology (Monitoring)
Contributors: Steven C. Pennings, Tim Montgomery, Dontrece Smith, Caroline Reddy
Title: Monthly Vegetation and Invertebrate Population Monitoring near the Georgia Coastal Ecosystems LTER Flux Tower
Abstract: Permanent study plots were established in a Spartina alterniflora-dominated marsh in the vicinity of the Georgia Coastal Ecosystems LTER Flux Tower to provide measurements of plant biomass and invertebrate population density over time for comparison with marsh-atmospheric CO2 exchange. Six replicate plots were randomly placed within each of three height zones of Spartina alterniflora (i.e. short, medium and tall Spartina). Beginning in June 2013, surveys were conducted approximately monthly to determine abundance of Littoraria irrorata, Prokelisia marginata, and grasshoppers in each plot. Plant species, stem density, height, and flowering status were also measured in each of the plots, and biomass was calculated using allometric relationships between plant height, flowering status and mass from plant clipping studies. During these surveys, destructive core sampling was also performed in the proximity of the plots (n = 2 per zone) to measure above and below ground biomass for each Spartina zone. Beginning in February 2016, chlorophyll measurements were taken in the proximity of the plots in each Spartina zone (n = 15 per zone).
DOI: 10.6073/pasta/2eb73616b23b7b5a968c22830b4beda0
Key Words: belowground biomass, biomass, chlorophyll, cores, flowering, grasshoppers, Littoraria, littoraria irrorata, marshes, plants, Prokelisia, Prokelisia marginata, Spartina, Spartina alterniflora, stem density, stem height
LTER Core Area: Populations, Primary Production
Research Themes: Q2 - Domain Patterns, GCE3 Area2 - Patterns within the Domain, GCE3 Area3 - Responses to Salinity and Inundation, Plant Ecology, Aquatic Invertebrate Ecology, Terrestrial Insect Ecology
Study Period: 11-Jun-2013 to 21-Dec-2016
Study Sites:
GCE_Flux -- GCE Flux Tower Marsh, Sapelo Island, Georgia
» Download Geographic Coverage: Google Earth, ESRI Shapefile (polygons, points)
Species References: Littoraria irrorata, Prokelisia marginata, Spartina alterniflora
Project References: End of year biomass, Flux tower monthly vegetation monitoring
Research Protocols:

Flux Tower Vegetation Chlorophyll Sampling Protocol (Georgia Coastal Ecosystems LTER)

Flux Tower Monthly Vegetation Monitoring Protocol (Georgia Coastal Ecosystems LTER)

Publications:

Jung, Y. and Burd, A.B. 2017. Seasonal changes in above- and below-ground non-structural carbohydrates (NSC) in Spartina alterniflora in a marsh in Georgia, USA. Aquatic Botany. 140:13-22. (DOI: https://doi.org/10.1016/j.aquabot.2017.04.003)

Downloads: Information

Data Table: PLT-GCEM-1610_Animals (Grasshopper, Prokelisia, and Littoraria abundance, 756 records)

Access: Public (released 01-Jan-2017)

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

Data Files: Spreadsheet (CSV) [37.23kb],  Text File [35.26kb],  Text Report [60.55kb],  MATLAB (GCE Toolbox) [273.66kb],  MATLAB (Variables) [239.95kb]

Column List:(display)


Data Table: PLT-GCEM-1610_Biomass (Above and below ground biomass, 291 records)

Access: Public (released 01-Jan-2017)

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

Data Files: Spreadsheet (CSV) [14.84kb],  Text File [14.75kb],  Text Report [38.39kb],  MATLAB (GCE Toolbox) [212.77kb],  MATLAB (Variables) [179.45kb]

Column List:(display)


Data Table: PLT-GCEM-1610_Chlorophyll (Chlorophyll measurements, 360 records)

Access: Public (released 01-Jan-2017)

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

Data Files: Spreadsheet (CSV) [8.55kb],  Text File [7.46kb],  Text Report [29.20kb],  MATLAB (GCE Toolbox) [198.52kb],  MATLAB (Variables) [163.34kb]

Column List:(display)


Data Table: PLT-GCEM-1610_Vegetation (Stem height and flowering status, 14929 records)

Access: Public (released 01-Jan-2017)

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

Data Files: Spreadsheet (CSV) [1058.94kb],  Text File [1000.13kb],  Text Report [1099.19kb],  MATLAB (GCE Toolbox) [3962.28kb],  MATLAB (Variables) [3928.60kb]

Column List:(display)

Statistics: Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS
Citation: Pennings, Steven C. 2016. Monthly Vegetation and Invertebrate Population Monitoring near the Georgia Coastal Ecosystems LTER Flux Tower. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/2eb73616b23b7b5a968c22830b4beda0

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LTER
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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.