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GCE-LTER Data Set Summary
Accession:
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GIS-GCET-1706
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Research Theme:
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Geospatial Analysis (Graduate Thesis Study)
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Contributors:
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James C. Nifong, Brian Silliman
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Title:
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American alligator GPS tracking study from May 2008 to September 2010 on Sapelo Island, Georgia
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Abstract:
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We deployed GPS tracking units on seven adult American alligators (two females and five males), for periods ranging from 34 to 100 days from May 2008 to September 2010 on Sapelo Island, Georgia. GPS units were set to record the location of tracked alligators every 1.5 to 2 hours. GPS data were then downloaded and tracks analyzed using GIS software after recapture.
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DOI:
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10.6073/pasta/a508cc955a515a82f966683b8aaa23d9
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Key Words:
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activity, animals, biogeography, Crocodillian, geographic information systems, global positioning system, habitat selection, reptiles, Signature Data
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LTER Core Area:
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Population Studies
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Research Themes:
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GCE2 Q2 - Domain Patterns, Geospatial Analysis, Population Ecology |
Study Period:
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28-May-2008 to 10-Sep-2010
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Study Sites:
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Sapelo -- Sapelo Island, Sapelo Island, Georgia
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Species References:
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Alligator mississippiensis |
Project References:
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American alligator trophic dynamics |
Publications:
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Nifong, J.C. and Silliman, B.R. 2013. Impacts of a large-bodied, apex predator (Alligator mississippiensis Daudin 1801) on salt marsh food webs. Journal of Experimental Marine Biology and Ecology. 440(2013):185-191. (DOI: 10.1016/j.jembe.2013.01.002)
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Downloads:
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Data Table: GIS-GCET-1706 (Main data table for data set GIS-GCET-1706, 3834 records)
Access: Public (released 29-Jan-2018)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [238.70kb], Text File [223.28kb], MATLAB (GCE Toolbox) [1276.33kb], MATLAB (Variables) [1245.00kb], Text Report [258.18kb]
Column List:(display)
Column |
Name |
Units |
Type |
Description |
1 |
TAG_ID |
none |
string |
Individual identification code for study animals |
2 |
LOC_ID |
none |
integer |
Numeric identifier for unique location. |
3 |
Date |
YYYY-MM-DD |
string |
Calendar date of observation |
4 |
Time |
HH:MM:SS |
string |
Time of observation |
5 |
Latitude |
degrees |
floating-point |
Geographic latitude of observation |
6 |
Longitude |
degrees |
floating-point |
Geographic longitude of observation |
7 |
GPS_Type |
none |
string |
GPS/VHF transmitter type |
GIS Vector Data: GIS-GCET-1706_Shapefiles (ArcGIS shapefiles for each tracked alligator)
Access: Public (released 29-Jan-2018)
Metadata: XML (Ecological Metadata Language)
Data Formats: Zip archive [153kb]
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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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Nifong, James C. 2018. American alligator GPS tracking study from May 2008 to September 2010 on Sapelo Island, Georgia. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/a508cc955a515a82f966683b8aaa23d9
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