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GCE-LTER Data Set Summary
| Accession: | INS-GCET-2411 | Research Theme: | Terrestrial Insect Ecology (Graduate Thesis Study) |
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| Contributors: | Steven C. Pennings, | ||
| Title: | Effects of large mammal herbivory on salt marsh invertebrate communities varies with grazing type | ||
| Abstract: | We studied mammalian grazing (cattle, feral horses, and artificial grazing) on three barrier islands on the coast of Georgia, USA. All three grazing types altered invertebrate community composition, but in different ways. Cattle grazing had the most negative impact on plant height, chlorophyll content and toughness, and on the density and diversity of invertebrates, while artificial grazing produced some positive effects on planthoppers, herbivorous Chaetopsis spp. flies, and spiders. Although the responses to grazing of some plant traits and some invertebrate taxa were variable, plant height and katydid (Orchelimum fidicinium) density were consistently reduced by the three grazing types. Katydids did not have a feeding preference for grazed versus ungrazed plants, but grew better on ungrazed plants. | ||
| DOI: | 10.6073/pasta/6353c02810f657f04992d8dc87cffe01 | ||
| Key Words: | herbivory, salt marshes | ||
| LTER Core Area: | Population Studies | ||
| Research Themes: | Terrestrial Insect Ecology, Population Ecology | ||
| Study Period: | 01-Jun-2021 to 01-Aug-2021 | ||
| Study Sites: |
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| Species References: | Orchelimum fidicinium | ||
| Publications: |
Lugar, K. and Pennings, S.C. (in press). Effects of large mammal herbivory on salt marsh invertebrate communities vary with grazing type. Estuaries and Coasts. Lugar, K. and Pennings, S.C. 2025. Effects of large mammal herbivory on salt marsh invertebrate communities vary with grazing type. Estuaries and Coasts. 48:105. (DOI: https://doi.org/10.1007/s12237-025-01544-x) |
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Downloads: 
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Data Table: INS-GCET-2411_grasshopper_cover (Precent cover and grasshopper counts, 106 records) Access: Public (released 08-Mar-2025) Metadata: Text (ESA FLED), XML (Ecological Metadata Language) Data Formats: Spreadsheet (CSV) [5.51kb], Text File [4.63kb], MATLAB (GCE Toolbox) [22.08kb], MATLAB (Variables) [21.40kb], Text Report [22.03kb] Column List:(display) Data Table: INS-GCET-2411_leaf (Leaf toughness and chlorophyll data, 447 records) Access: Public (released 08-Mar-2025) Metadata: Text (ESA FLED), XML (Ecological Metadata Language) Data Formats: Spreadsheet (CSV) [20.91kb], Text File [18.08kb], MATLAB (GCE Toolbox) [24.37kb], MATLAB (Variables) [23.49kb], Text Report [35.95kb] Column List:(display) Data Table: INS-GCET-2411_Littoraria (Littoraria and Ilyannassa counts from quadrats, 424 records) Access: Public (released 08-Mar-2025) Metadata: Text (ESA FLED), XML (Ecological Metadata Language) Data Formats: Spreadsheet (CSV) [18.38kb], Text File [15.55kb], MATLAB (GCE Toolbox) [22.86kb], MATLAB (Variables) [22.01kb], Text Report [33.56kb] Column List:(display) Data Table: INS-GCET-2411_Orchelimum_choice (Orchelimum square choice data, 12 records) Access: Public (released 08-Mar-2025) Metadata: Text (ESA FLED), XML (Ecological Metadata Language) Data Formats: Spreadsheet (CSV) [0.62kb], Text File [0.27kb], MATLAB (GCE Toolbox) [20.21kb], MATLAB (Variables) [19.31kb], Text Report [16.06kb] Column List:(display) Data Table: INS-GCET-2411_Orchelimum_growth (Measured growth of Orchelimum individuals, 23 records) Access: Public (released 08-Mar-2025) Metadata: Text (ESA FLED), XML (Ecological Metadata Language) Data Formats: Spreadsheet (CSV) [1.90kb], Text File [1.43kb], MATLAB (GCE Toolbox) [21.57kb], MATLAB (Variables) [NaNkb], Text Report [18.49kb] Column List:(display) Data Table: INS-GCET-2411_plant_heights (Plant heights and Prokelisia counts of individual stems, 1632 records) Access: Public (released 08-Mar-2025) Metadata: Text (ESA FLED), XML (Ecological Metadata Language) Data Formats: Spreadsheet (CSV) [70.31kb], Text File [60.40kb], MATLAB (GCE Toolbox) [27.50kb], MATLAB (Variables) [26.54kb], Text Report [83.57kb] Column List:(display) Data Table: INS-GCET-2411_plot_coordinates (Coordinates of sampling plots, 53 records) Access: Public (released 08-Mar-2025) Metadata: Text (ESA FLED), XML (Ecological Metadata Language) Data Formats: Spreadsheet (CSV) [3.97kb], Text File [3.33kb], MATLAB (GCE Toolbox) [21.22kb], MATLAB (Variables) [20.53kb], Text Report [19.37kb] Column List:(display) Data Table: INS-GCET-2411_sweep_sampling (Small insect and arachnids collected by sweep sampling plots, 106 records) Access: Public (released 08-Mar-2025) Metadata: Text (ESA FLED), XML (Ecological Metadata Language) Data Formats: Spreadsheet (CSV) [13.87kb], Text File [12.21kb], MATLAB (GCE Toolbox) [24.85kb], MATLAB (Variables) [26.94kb], Text Report [37.54kb] Column List:(display) |
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| Statistics: | Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS | ||
| Citation: | Pennings, Steven C. 2024. Effects of large mammal herbivory on salt marsh invertebrate communities varies with grazing type. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/6353c02810f657f04992d8dc87cffe01 | ||
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