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GCE-LTER Data Set Summary
Accession:
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INV-GCEM-1807
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Research Theme:
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Aquatic Invertebrate Ecology (Monitoring)
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Contributors:
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Steven C. Pennings, Merryl Alber, Jacob Shalack, Sean Sharp
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Title:
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Mollusc population abundance monitoring: Fall 2017 mid-marsh and creekbank infaunal and epifaunal mollusc abundance based on collections from GCE marsh, monitoring sites 1-10
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Abstract:
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This data set is the Fall 2017 estimate of infaunal and epifaunal mollusc abundance at the GCE-LTER marsh sites used for population monitoring. Species abundance was determined by hand-collecting all the infaunal and epifaunal molluscs from within quadrats of known area in mid-marsh and creekbank zones (n = 4 quadrats per zone) at all sites. The molluscs were returned to the lab, fixed in ethanol, transferred to and preserved in ethanol, counted and measured (size data is reported separately). The counts were converted to number per square meter. Gastropod species are listed first, followed by bivalve species. Size distribution data for these collections may be found in the GCE-LTER data set INV-GCEM-1807a.
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DOI:
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10.6073/pasta/7bd271315e82c9a19fd2b2855b00252d
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Key Words:
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abundance, Animalia, Aquatic Invertebrate Monitoring, Archaeopulmonata, Bilateria, Bivalvia, Corbiculidae, Corbiculoidea, creek bank, density, Detracia, Detracia floridana, Ellobiidae, epifauna, fall, Gastropoda, GCE, Georgia, Georgia Coastal Ecosystems, Geukensia, Geukensia demissa, Heterodonta, Hydrobiidae, Ilyanassa, infauna, intertidal, Littoraria, littoraria irrorata, Littorinidae, Lophozoa, LTER, marshes, Melampus, Melampus bidentatus, mid-marsh, Mollusca, mollusks, monitoring, Mytilidae, Mytiloida, Nassariidae, Nassarius obsoletus, Neogastropoda, Neotaenioglossa, Polymesoda, Polymesoda caroliniana, populations, Prosobranchia, Protostomia, Pteriomorphia, Sapelo Island, Stylommatophora, Succineidae, USA, vegetation, Veneroida
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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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16-Oct-2017 to 23-Oct-2017
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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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Data References:
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INV-GCEM-1807a (Corresponding Mollusc Length Data Set)
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Downloads:
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Data Table: INV-GCEM-1807 (Main data table for data set INV-GCEM-1807, 704 records)
Access: Public (released 31-Oct-2019)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [69.64kb], Text File [60.68kb], MATLAB (GCE Toolbox) [976.55kb], MATLAB (Variables) [629.02kb], Text Report [155.66kb]
Column List:(hide)
Column |
Name |
Units |
Type |
Description |
1 |
Year |
YYYY |
integer |
Calendar year of observation |
2 |
Month |
M |
integer |
Calendar month of observation |
3 |
Day |
D |
integer |
Calendar day of observation |
4 |
Site |
none |
integer |
Nominal GCE-LTER sampling site |
5 |
Zone |
none |
integer |
Marsh zone (creekbank or mid-marsh) |
6 |
Plot |
none |
integer |
Replicate plot number |
7 |
Location |
none |
string |
Geographic location code in the GCE Metadata Database for the sampling plot |
8 |
Flag_Location |
none |
string |
QA/QC flags for Geographic location code in the GCE Metadata Database for the sampling plot (flagging criteria, where "x" is Location: manual) |
9 |
Location_Notes |
none |
string |
Notes on location assignments and geographic accuracy |
10 |
Longitude |
degrees |
floating-point |
Geographic longitude in decimal degrees |
11 |
Flag_Longitude |
none |
string |
QA/QC flags for Geographic longitude in decimal degrees (flagging criteria, where "x" is Longitude: x<-180="I", x>180="I", manual) |
12 |
Latitude |
degrees |
floating-point |
Geographic latitude in decimal degrees |
13 |
Flag_Latitude |
none |
string |
QA/QC flags for Geographic latitude in decimal degrees (flagging criteria, where "x" is Latitude: x<-90="I", x>90="I", manual) |
14 |
Species |
none |
string |
Species Name |
15 |
Mollusc_Abundance |
count |
integer |
Number of molloscs counted in the plot area |
16 |
Quadrat_Area |
m^2 |
floating-point |
Area of the sampling quadrat |
17 |
Mollusc_Density |
count/m^2 |
floating-point |
Number of mollosc species per squre meter |
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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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Pennings, Steven C. 2018. Mollusc population abundance monitoring: Fall 2017 mid-marsh and creekbank infaunal and epifaunal mollusc abundance based on collections from GCE marsh, monitoring sites 1-10. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/7bd271315e82c9a19fd2b2855b00252d
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