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GCE-LTER Data Set Summary
Accession:
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INV-GCEM-1404a
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Research Theme:
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Population Ecology (Monitoring)
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Contributors:
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Brian R. Silliman, Christine Angelini, Sean Sharp, Joe Morton, Kimberly Prince, Sinead Crotty
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Title:
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Survey of adult and juvenile periwinkle snail (Littoraria irrorata) density in mid-marsh and creekbank plots at GCE LTER study sites in October 2013.
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Abstract:
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To characterize spatial variation in the adult and juvenile density of periwinkle snails, Littoraria irrorata, within two zones in the salt marsh, the mid-marsh and creekbank, and across a gradient in salinity and distance to ocean, we surveyed snail density in October 2013. In each marsh zone at each GCE LTER permanent monitoring site, we counted the number of adult and juvenile snails in 8 replicate quadrats. Data was collected at all GCE domain sites as well as one additional Zizaniopsis site (label SCZ2).
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DOI:
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10.6073/pasta/1b384e87497b88fef43f9d8525b58bfe
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Key Words:
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Aquatic Invertebrate Monitoring, distribution, invertebrates, Littoraria, marshes, mollusks, periwinkle, population dynamics, recruitment, snails
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LTER Core Area:
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Population Studies
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Research Themes:
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Population Ecology |
Study Period:
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13-Oct-2013 to 28-Oct-2015
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Study Sites:
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GCE1 -- Eulonia, Georgia, USA
GCE2 -- Four Mile Island, Georgia, USA
GCE3 -- North Sapelo, Sapelo Island, Georgia, USA
GCE4 -- Meridian, 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
ZSC2 -- ZSC2 Altamaha Plant Transition Site, Georgia, USA
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Species References:
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Littoraria irrorata |
Downloads:
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Data Table: INV-GCEM-1404a (Main data table for data set INV-GCEM-1404a, 160 records)
Access: Public (released 15-Apr-2015)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [6.86kb], Text File [6.00kb], MATLAB (GCE Toolbox) [31.51kb], MATLAB (Variables) [49.88kb], Text Report [73.17kb]
Column List:(hide)
Column |
Name |
Units |
Type |
Description |
1 |
Year |
YYYY |
integer |
Calendar year of observation |
2 |
Month |
MM |
integer |
Calendar month of observation |
3 |
Day |
DD |
integer |
Calendar day of observation |
4 |
Site |
none |
string |
GCE-LTER sampling site |
5 |
Zone |
none |
integer |
Creekbank or Mid-marsh |
6 |
Quadrat_Number |
none |
integer |
Quadrat number. Corresponds to GCE LTER plots as quadrats were placed adjacent (<1m) to GCE plots |
7 |
Adult_Snails_Count |
none |
integer |
Number of adult snails observed in plot |
8 |
Quadrat_Area_Adult_Snail_Count |
m^2 |
floating-point |
Area of quadrat used for adult snail count |
9 |
Juvenile_Snails_Count |
none |
integer |
Number of juvenile snails observed in leaf furls in plot |
10 |
Quadrat_Area_Juvenile_Snail_Count |
m^2 |
floating-point |
Area of quadrat used for juvenile snail count |
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Statistics:
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Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS |
Citation:
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Silliman, Brian R. 2014. Survey of adult and juvenile periwinkle snail (Littoraria irrorata) density in mid-marsh and creekbank plots at GCE LTER study sites in October 2013. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/1b384e87497b88fef43f9d8525b58bfe
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