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GCE-LTER Data Set Summary

Accession: MLT-GCEM-0907 Research Theme: Multi-Disciplinary Study (Monitoring)
Contributors: Merryl Alber, Steve Pennings, Christine Hladik, Caitlyn Connor, Kristen Anstead
Title: GCE-LTER Hammock Well Vegetation and Invertebrate Monitoring - July 2009
Abstract: In July 2008 the GCE LTER program selected two hammocks for intensive study: HN_i_1 and PC_i_29. HN_i_1 is of Holocene origin and is located adjacent to Blackbeard Island to the north of Sapelo Island, Georgia. PC_i_29 is also of Holocene origin and is located adjacent to the south end of Sapelo Island. These hammocks are of similar size, with similar vegetation zones in the high marsh environment. Groundwater well transects were established that run from the upland, through the marsh, and up and over the upland area of each hammock. Two permanent plots were established at each well in order to characterize the plant and invertebrate diversity and abundance by surveying plots once a year. This data set includes the results of July 2009 monitoring studies.
DOI: 10.6073/pasta/1040c6b14023f612bc6078de9536f19d
Key Words: Aquatic Invertebrate Monitoring, bivalves, Borrichia, hammock, Hammock Surveys, invertebrates, Juncus, mollusks, plant communities, plant cover, Plant Monitoring, plant species composition, plants, snails, Spartina, wells
LTER Core Area: Population Studies
Research Themes: Multi-Disciplinary Study, Aquatic Invertebrate Ecology, Plant Ecology
Study Period: 28-Jul-2009 to 30-Jul-2009
Study Sites:
HN_i_1 -- Hammock HN_i_1, Sapelo Island, Georgia, USA
PC_i_29 -- Hammock PC_i_29, Sapelo Island, Georgia, USA
» Download Geographic Coverage: Google Earth
Species References: Batis maritima, Borrichia frutescens, Distichlis spicata, Geukensia demissa, Juncus roemerianus, Littoraria irrorata, Melampus bidentatus, Salicornia virginica, Spartina alterniflora
Downloads: Information

Data Table: MLT-GCEM-0907 (Main data table for data set MLT-GCEM-0907, 814 records)

Access: Public (released 01-Aug-2010)

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

Data Formats: Spreadsheet (CSV) [108.20kb],  Text File [107.56kb],  MATLAB (GCE Toolbox) [466.52kb],  MATLAB (Variables) [428.56kb],  Text Report [139.69kb]

Column List:(hide)

Column Name Units Type Description
1 Date MM/DD/YYYY string Calendar date of sampling
2 Site none string GCE-LTER Hammock ID
3 Well_Number none integer Well number
4 Location none string GCE Hammock well location id
5 UTM_Zone none integer UTM zone of the hammock well
6 UTM_Northing m floating-point UTM Northing of the hammock well (WGS84 datum)
7 UTM_Easting m floating-point UTM Easting of the hammock well (WGS84 datum)
8 Latitude degrees floating-point Geographic latitude in decimal degrees
9 Longitude degrees floating-point Geographic longitude in decimal degrees
10 Plot_Number none integer Plot number
11 Number_of_Crab_Holes count integer Number of individual crab holes counted in the specified 625 cm^2 quadrat
12 Mollusc_Quadrat_Area cm^2 floating-point Number of square meters in the quadrat sampled
13 Littoraria_Count count integer Number of indivudual Littoraria collected in the specified quadrat
14 Melampus_Count count integer Number of individual Melampus collected in the specified quadrat
15 Geukensia_Count count integer Number of individual Geukensia collected in the specified quadrat
16 Plant_Species none string Plant species code
17 Percent_Cover percent floating-point Percent cover of species in quadrat
18 Plant_Quadrat_Size cm^2 floating-point Number of square meters in quadrat sampled
19 Height cm floating-point Stem Height of species to nearest 5-cm
20 Number_of_Leaves_Nodes count integer Number of live leaves on plant
21 Flowering none integer Is the plant flowering?
22 Branched none integer Is the plant branched?
Statistics: Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS
Citation: Alber, Merryl. 2009. GCE-LTER Hammock Well Vegetation and Invertebrate Monitoring - July 2009. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/1040c6b14023f612bc6078de9536f19d

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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.