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GCE-LTER Data Set Summary
Accession:
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BCT-GCEM-0302c
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Research Theme:
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Bacterial Productivity (Monitoring)
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Contributors:
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Robert E. Hodson, Jen Mou, Ed Sheppard
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Title:
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November 2001 surface water bacterial productivity at ten Georgia Coastal Ecosystems LTER sampling sites
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Abstract:
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Surface water samples were collected during low tide survays near ten Georgia Coastal Ecosystem LTER sampling sites in November, 2001. The incorporation of tritiated leucine in unfiltered samples during one hour incubations was measured using a standard microcentrifuge method to estimate bacterial productivity in each sample. This study was part of the GCE-LTER hydrographic monitoring program, and will be repeated quarterly.
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DOI:
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10.6073/pasta/98110815961ae30324b48cfaec516ae5
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Key Words:
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bacteria, bacterial production, leucine, microbial, Microbial Populations, water column
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LTER Core Area:
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Population Studies
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Research Themes:
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Bacterial Productivity |
Study Period:
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26-Nov-2001 to 30-Nov-2001
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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
GCE-SP -- Sapelo River, Georgia, USA
GCE-DB -- Doboy Sound, Georgia, USA
GCE-AL -- Altamaha River, Georgia, USA
GCE-DP -- Duplin River, Georgia, USA
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Downloads:
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Data Table: BCT-GCEM-0302c (Main data table for data set BCT-GCEM-0302c, 30 records)
Access: Public (released 23-Feb-2003)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [5.66kb], Text File [4.03kb], MATLAB (GCE Toolbox) [280.80kb], MATLAB (Variables) [180.82kb], Text Report [40.43kb]
Column List:(hide)
Column |
Name |
Units |
Type |
Description |
1 |
Cruise |
none |
string |
GCE-LTER research cruise identifier (LTER[MM][YY]) |
2 |
Date_Sampled |
yyyy-mm-dd |
string |
Date sample was collected |
3 |
Time_Sampled |
hh:mm GMT |
string |
Time sample was collected (GMT) |
4 |
Latitude |
degrees |
floating-point |
Geographic latitude of sampling location |
5 |
Longitude |
degrees |
floating-point |
Geographic longitude of sampling location |
6 |
Station |
none |
string |
Nearest nominal GCE-LTER CTD profiling station (1km geo-reference tolerance for station matching) |
7 |
Site |
none |
integer |
Closest nominal GCE sampling site |
8 |
Vessel |
none |
string |
Vessel from which the sample was collected |
9 |
CTD_Cast |
none |
string |
CTD cast number corresponding to the sample |
10 |
Depth_Sampled |
none |
string |
Nominal sampling depth |
11 |
Temperature |
°C |
floating-point |
Water temperature at the sampling location |
12 |
Flag_Temperature |
none |
string |
QA/QC flags for Water temperature at the sampling location (flagging criteria, where "x" is Temperature: x<0="Q", x>35="Q") |
13 |
Salinity |
PSU |
floating-point |
Salinity of the water at the sampling location |
14 |
Flag_Salinity |
none |
string |
QA/QC flags for Salinity of the water at the sampling location (flagging criteria, where "x" is Salinity: x<0="I", x>36="Q") |
15 |
Tide |
none |
string |
Nominal tide stage when the sample was collected |
16 |
Tube |
none |
integer |
Bacterial productivity sample tube number |
17 |
DPM_Sample |
DPM |
floating-point |
Total radioactivity in the TCA-insoluble precipitate (i.e. protein) after incubation of the live sample |
18 |
Flag_DPM_Sample |
none |
string |
QA/QC flags for Total radioactivity in the TCA-insoluble precipitate (i.e. protein) after incubation of the live sample (flagging criteria, where "x" is DPM_Sample: x<0="I", x<100="Q", x>1e+007="Q", DPM_Control>(DPM_Sample.*0.025)="Q") |
19 |
DPM_Control |
DPM |
floating-point |
Total radioactivity in the TCA-insoluble precipitate (i.e. protein) after incubation of the corresponding killed control |
20 |
Flag_DPM_Control |
none |
string |
QA/QC flags for Total radioactivity in the TCA-insoluble precipitate (i.e. protein) after incubation of the corresponding killed control (flagging criteria, where "x" is DPM_Control: x<0="I", x<100="Q", x>1e+007="Q", DPM_Control>(DPM_Sample.*0.025)="Q") |
21 |
Efficiency_Sample |
% |
floating-point |
Scintillation counting efficiency for the sample vials |
22 |
Flag_Efficiency_Sample |
none |
string |
QA/QC flags for Scintillation counting efficiency for the sample vials (flagging criteria, where "x" is Efficiency_Sample: x<0="I", x<40="Q", x>60="Q", x>100="I") |
23 |
Efficiency_Control |
% |
floating-point |
Scintillation counting efficiency for the corresponding control vial |
24 |
Flag_Efficiency_Control |
none |
string |
QA/QC flags for Scintillation counting efficiency for the corresponding control vial (flagging criteria, where "x" is Efficiency_Control: x<0="I", x<40="Q", x>60="Q", x>100="I") |
25 |
Specific_Activity |
µCi/µmol |
floating-point |
Specific activity of 3H-leucine added to the tubes |
26 |
Flag_Specific_Activity |
none |
string |
QA/QC flags for Specific activity of 3H-leucine added to the tubes (flagging criteria, where "x" is Specific_Activity: x<0="I") |
27 |
Leu_Uptake |
pmol/L/hr |
floating-point |
Rate of leucine incorporation into bacterial protein calculated from rate of incorporation of 3H-leucine in incubated samples |
28 |
Flag_Leu_Uptake |
none |
string |
QA/QC flags for Rate of leucine incorporation into bacterial protein calculated from rate of incorporation of 3H-leucine in incubated samples (flagging criteria, where "x" is Leu_Uptake: x<0="I") |
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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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Hodson, Robert E. 2003. November 2001 surface water bacterial productivity at ten Georgia Coastal Ecosystems LTER sampling sites. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/98110815961ae30324b48cfaec516ae5
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