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GCE-LTER Data Set Summary

Accession: INV-GCEM-1211 Research Theme: Population Ecology (Monitoring)
Contributors: Brian R. Silliman, Stephanie Buhler
Title: Fall 2012 mid-marsh and creekbank survey of adult and recruit Littoraria irrorata abundance at GCE LTER sampling sites 1-10
Abstract: The abundance of Littoraria irrorata was investigated at ten sampling sites within the Georgia Coastal Ecosystem (GCE) LTER study area in October 2012. Visual counts of adult Littoraria were conducted within 0.5m x 0.5m creekbank and mid-marsh quadrats in line with permanent GCE vegetation plots. "Recruit" Littoraria (1-4 mm shell length) were found and counted by looking inside all leaf furls within a nested quadrat (0.25m x 0.25m). This method is a new part of the annual GCE monitoring starting in 2012, and supplements the invertebrate data that has been collected since October 2000.
DOI: 10.6073/pasta/9e48edb4d1c4dbafcffb911de99e5b4a
Key Words: abundance, Aquatic Invertebrate Monitoring, creek bank, fall, invertebrates, Littoraria, marshes, mollusks, populations, snails, surveys
LTER Core Area: Population Studies
Research Themes: GCE2 Q2 - Domain Patterns, GCE3 Area2 - Patterns within the Domain, Population Ecology
Study Period: 08-Oct-2012 to 12-Oct-2012
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
GCE7 -- Carrs Island, Georgia, USA
GCE8 -- Alligator Creek, Georgia, USA
GCE9 -- Rockdedundy Island, Georgia, USA
GCE10 -- Hunt Camp, Sapelo Island, Georgia, USA
» Download Geographic Coverage: Google Earth
Species References: Littoraria irrorata
Project References: Marine invertebrate monitoring
Downloads: Information

Data Table: INV-GCEM-1211 (Main data table for data set INV-GCEM-1211, 448 records)

Access: Public (released 09-Nov-2013)

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

Data Formats: Spreadsheet (CSV) [17.76kb],  Text File [16.36kb],  MATLAB (GCE Toolbox) [27.81kb],  MATLAB (Variables) [42.91kb],  Text Report [73.65kb]

Column List:(hide)

Column Name Units Type Description
1 Site none integer Nominal GCE-LTER sampling site
2 Month M integer Calendar month of observation
3 Day D integer Calendar day of observation
4 Year YYYY integer Calendar year of observation
5 Marsh_Zone none integer Marsh zone
6 Plot none integer Replicate plot number
7 Abundance count integer Number of Littoraria counted in the plot area
8 Observation_Type none string Observation method (visible count or recruit count)
9 Quadrat_Area m^2 floating-point Area of the sampling quadrat
10 Density count/m^2 floating-point Number of Littoraria per area sampled
Statistics: Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS
Citation: Silliman, Brian R. 2012. Fall 2012 mid-marsh and creekbank survey of adult and recruit Littoraria irrorata abundance at GCE LTER sampling sites 1-10. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/9e48edb4d1c4dbafcffb911de99e5b4a

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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.