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GCE-LTER Data Set Summary

Accession: INS-GCES-1608 Research Theme: Terrestrial Insect Ecology (Synthesis)
Contributors: Steven C. Pennings, Wade Sheldon
Title: Long-term mid-marsh grasshopper abundance and species diversity at eight GCE-LTER sampling sites
Abstract: Grasshopper abundance and species diversity were investigated at eight sampling sites within the Georgia Coastal Ecosystems (GCE) LTER study area during July or August from 2000 to 2019. Visual surveys were conducted along 8-10 2m by 10m transects randomly allocated within the mid-marsh zone at each site. All grasshoppers observed within each transect were counted and identified to species, if possible. These surveys were conducted as part of the GCE invertebrate monitoring program, and are performed annually to assess long-term changes in relative species abundances across the GCE study area.
DOI: 10.6073/pasta/c5f4d30d98af86659b219746ed62f49f
Key Words: abundance, grasshoppers, insects, Long-term Data, marshes, permanent plots, population dynamics, Signature Data, species diversity, terrestrial, Terrestrial Insect Monitoring
LTER Core Area: Population Studies
Research Themes: GCE2 Q2 - Domain Patterns, GCE2 Q5 - Organism Distribution, GCE3 Area2 - Patterns within the Domain, Terrestrial Insect Ecology, Population Ecology
Study Period: 16-Aug-2000 to 17-Aug-2019
Study Sites:
GCE1 -- Eulonia, Georgia, USA
GCE2 -- Four Mile Island, Georgia, USA
GCE3 -- North Sapelo, Sapelo Island, Georgia, USA
GCE4 -- Meridian, Georgia, USA
GCE5 -- Folly River, Georgia, USA
GCE6 -- Dean Creek, Sapelo Island, Georgia, USA
GCE9 -- Rockdedundy Island, Georgia, USA
GCE10 -- Hunt Camp, Sapelo Island, Georgia, USA
» Download Geographic Coverage: Google Earth
Species References: Mermiria intertexta, Orchelimum concinnum, Orchelimum erythrocephalum, Orchelimum fidicinium, Orphulella pelidna, Paroxya clavuliger, Romalea guttata, Schistocerca obscura
Data References:
INS-GCEM-0011 (Primary data set for 2000), INS-GCEM-0108 (Primary data set for 2001), INS-GCEM-0208 (Primary data set for 2002), INS-GCEM-0310 (Primary data set for 2003), INS-GCEM-0409 (Primary data set for 2004), INS-GCEM-0511 (Primary data set for 2005), INS-GCEM-0608 (Primary data set for 2006), INS-GCEM-0802 (Primary data set for 2007), INS-GCEM-0808 (Primary data set for 2008), INS-GCEM-0912 (Primary data set for 2009), INS-GCEM-1010 (Primary data set for 2010), INS-GCEM-1112 (Primary data set for 2011), INS-GCEM-1208 (Primary data set for 2012), INS-GCEM-1309 (Primary data set for 2013), INS-GCEM-1512a (Primary data set for 2014), INS-GCEM-1512b (Primary data set for 2015), INS-GCEM-1608 (Primary data set for 2016), INS-GCEM-1708 (Primary data set for 2017), INS-GCEM-1808 (Primary data set for 2018), INS-GCEM-1908 (Primary data set for 2019)
Project References: Grasshopper distribution within the GCE, Terrestrial invertebrate monitoring

Adams, T. and Pennings, S.C. Poster: Long-term saltmarsh katydid (Orchelimum fidiciinium) dynamics on Sapelo Island. 103rd Annual meeting of the Ecological Society of America, August 5-10, 2018, New Orleans.

Adams, T., Vu, H. and Pennings, S.C. (accepted). Variation in Densities of the Salt Marsh Katydid Orchelimum fidicinium over Space and Time. Estuaries and Coasts. (DOI: https://doi.org/10.1007/s12237-021-00953-y)

van Klink, R., Bowler, D.E., Gongalsky, K.B., Swengel, A.B., Gentile, A. and Chase, J.M. 2020. Meta-analysis reveals declines in terrestrial but increases in freshwater insect abundances. Science. 368:417-420. (DOI: 10.1126/science.aax9931)

Downloads: Information

Data Table: INS-GCES-1608-Aggregated (Summary data set aggregated by Site and Species, 1099 records)

Access: Public (released 17-Aug-2017)

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

Data Formats: Spreadsheet (CSV) [72.26kb],  Text File [67.39kb],  MATLAB (GCE Toolbox) [41.21kb],  MATLAB (Variables) [59.60kb],  Text Report [143.33kb]

Column List:(display)

Data Table: INS-GCES-1608-Observations (Primary observation data from transect surveys, 9086 records)

Access: Public (released 17-Aug-2017)

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

Data Formats: Spreadsheet (CSV) [528.86kb],  Text File [457.39kb],  MATLAB (GCE Toolbox) [89.38kb],  MATLAB (Variables) [90.99kb],  Text Report [571.34kb]

Column List:(display)

Statistics: Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS
Citation: Pennings, Steven C. 2016. Long-term mid-marsh grasshopper abundance and species diversity at eight GCE-LTER sampling sites. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/c5f4d30d98af86659b219746ed62f49f

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This material is based upon work supported by the National Science Foundation under grants OCE-9982133, OCE-0620959, OCE-1237140 and OCE-1832178. 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.