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GCE-LTER Data Set Summary
Accession:
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INV-GCEM-2104a
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Research Theme:
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Aquatic Invertebrate Ecology (Monitoring)
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Contributors:
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Christine Angelini, Sydney Williams, Hallie Fischman, Dontrece Smith, Alyssa Peterson, Brendan Manley, Julie Grissett, Orlando Cordero
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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 2020.
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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 2020. In each marsh zone at each GCE LTER permanent monitoring site, we counted the number of adult and juvenile snails in 8 creekbank and 12 mid-marsh replicate quadrats.
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DOI:
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10.6073/pasta/63909ad921a4768039cd134c24e66e66
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Key Words:
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Animalia, Aquatic Invertebrate Monitoring, Bilateria, distribution, Gastropoda, GCE, Georgia, Georgia Coastal Ecosystems, invertebrates, Littoraria, littoraria irrorata, Littorinidae, Lophozoa, LTER, marshes, Mollusca, mollusks, Neotaenioglossa, periwinkle, population dynamics, Protostomia, recruitment, Sapelo Island, snails, USA
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LTER Core Area:
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Population Studies
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Research Themes:
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Aquatic Invertebrate Ecology |
Study Period:
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08-Oct-2020 to 15-Oct-2020
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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
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
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Research Protocols:
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Fall Monitoring - Rapid Littoraria Counts Protocol (GCE LTER)
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Downloads:
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Data Table: INV-GCEM-2104a (Main data table for data set INV-GCEM-2104a, 224 records)
Access: Public (released 12-May-2021)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [9.98kb], Text File [8.57kb], MATLAB (GCE Toolbox) [49.05kb], MATLAB (Variables) [71.86kb], Text Report [96.15kb]
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 number |
5 |
Zone |
none |
integer |
Creekbank or Mid-marsh |
6 |
Plot |
none |
integer |
Plot replicate number that corresponds to GCE LTER plots as poles were placed to 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 |
11 |
Notes |
none |
string |
Notes from field sampling |
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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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Angelini, Christine. 2020. Survey of adult and juvenile periwinkle snail (Littoraria irrorata) density in mid-marsh and creekbank plots at GCE LTER study sites in October 2020. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/63909ad921a4768039cd134c24e66e66
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