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Thymidine uptake rates for estimating bacterial production in lakes, McMurdo Dry Valleys, Antarctica (1993-2022, ongoing)
Summary
Abstract:
An important part of the McMurdo Long Term Ecological Research (LTER) is monitoring of spatial and temporal patterns, and processes that control bacterial production in perennial ice-covered lakes. This data set quantifies thymidine (TdR) uptake by bacteria, which can be used to estimate bacterial production.
Date Range:
October 27, 1993
to
December 22, 2022
Data Citation
Priscu, J.C.
2023
.
Thymidine uptake rates for estimating bacterial production in lakes, McMurdo Dry Valleys, Antarctica (1993-2022, ongoing)
.
Environmental Data Initiative. DOI:
10.6073/pasta/9ca4473616f993a23b51597ff8795526
.
Dataset accessed 17 February 2025.
Dataset(s)
Variables (click to expand):
DATASET_CODE
Label:
Definition:
Code to ID the data table
Type:
Nominal
Missing values:
None specified
LIMNO_RUN
Label:
Limno Run
Definition:
Code for lake's sampling location and date
Type:
Nominal
Missing values:
None specified
LOCATION NAME
Label:
Definition:
Name of lake where measurement was made
Type:
Nominal
Missing values:
None specified
LOCATION CODE
Label:
Definition:
Code for site where measurement was made
Type:
Nominal
Missing values:
None specified
DATE_TIME
Label:
Definition:
Date on which sample was gathered
Type:
Date/time
Date format:
mm/dd/yyyy
Missing values:
None specified
DEPTH (m)
Label:
Definition:
Distance below ice from which sample was drawn
Type:
Physical quantity
Unit:
meter
Maximum:
25
Minimum:
1
Precision:
1
Missing values:
Required entry = None given
TDR (nM TDR/day)
Label:
TDR (nM TDR/d)
Definition:
Thymidine uptake rate using tritiated thymidine and the filtration method.
Type:
Physical quantity
Unit:
nMTDR/day
Maximum:
1
Minimum:
0
Precision:
0.001
Missing values:
Null = None given
TDR COMMENTS
Label:
Definition:
Helpful hints about the sample
Type:
Nominal
Missing values:
None specified
FILE NAME
Label:
Definition:
Name of file in which data was submitted
Type:
Nominal
Missing values:
None specified
DEPTH MASL
Label:
Definition:
Depth referred to the Sea level. Distance below Mean Average Sea water level reference from which sample was drawn
Type:
Physical quantity
Unit:
meter
Maximum:
Not specified
Minimum:
Not specified
Precision:
1
Missing values:
None specified
TDR CENT (nM TDR/day)
Label:
Definition:
Thymidine uptake rate using tritiated thymidine and the centrifugation method.
Type:
Physical quantity
Unit:
nMTDR/day
Maximum:
1
Minimum:
0
Precision:
0.001
Missing values:
Null = None given
TDR CENT COMMENTS
Label:
Definition:
Helpful hints about the sample
Type:
Nominal
Missing values:
None specified
LEU CENT (nM Leu/day)
Label:
Definition:
Leucine uptake rate using tritiated leucine and the centrifugation method
Type:
Physical quantity
Unit:
nM Leu/day
Maximum:
1
Minimum:
0
Precision:
0.001
Missing values:
Null = None given
LEU CENT COMMENTS
Label:
Definition:
Helpful hints about the sample
Type:
Nominal
Missing values:
None specified
File:
mcmlter-lake-bacterial_production-20230918.csv
(377.18 KB)
Short name:
limno_bacteria
Dataset ID:
42
People
Principal Investigator(s):
John C. Priscu
Contact:
McMurdo Dry Valleys LTER Information Manager
Associated Personnel:
Field Technician
Jade Lawrence
Lab Technician
Kathleen A. Welch
Data Manager
Renée F. Brown
Former Field Crew
Amy Chiuchiolo
Former Data Manager
Inigo San Gil
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