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Data
»
Soil biota and chemistry data from the Elevational Transect (ET) experiment, McMurdo Dry Valleys, Antarctica (1993-2020, ongoing)
SOILS_ELEVATION_TRN
File:
mcmlter-soil-et-20220318.csv
(249.66 KB)
...
or query the dataset by variables and dates of interest:
Variables
DATASET_CODE
Label:
Dataset Code
Definition:
Unique identifier for the table in the MCM LTER database.
Type:
Nominal
Missing values:
None specified
SAMPLE_ID
Label:
Sample ID
Definition:
The plot-position identifier for each sample.
Type:
Nominal
Missing values:
None specified
ELEVATION
Label:
Elevation
Definition:
The elevation of the plot from where the sample was collected. Taylor: A at 83 m above sea level, B at 121 m above sea level, C at 188 m above sea level. Garwood: A at 369 m above sea level, B at 377 m above sea level, and C at 392 m above sea level. Miers: A at 179 m above sea level, B at 220 m above sea level, and C at 290 m above sea level.
Type:
Nominal
Missing values:
None specified
POSITION
Label:
Position
Definition:
The position within a plot where the sample was collected.
Type:
Nominal
Missing values:
None specified
DATE_TIME
Label:
Date Time
Definition:
The date the soil sample was collected from the field.
Type:
Date/time
Date format:
mm/dd/yyyy
Missing values:
None specified
SOIL_WATER_CONTENT
Label:
Soil Water Content
Definition:
The gravimetric soil water content.
Type:
Physical quantity
Unit:
percent g/g
Maximum:
100
Minimum:
0
Precision:
Not specified
Missing values:
Null = Missing
SML
Label:
Scottnema Male Live
Definition:
The total number of living male Scottnema lindsayae adult nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
SMD
Label:
Scottnema Male Dead
Definition:
The total number of dead male Scottnema lindsayae adult nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
SFL
Label:
Scottnema Female Live
Definition:
The total number of living female Scottnema lindsayae adult nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
SFD
Label:
Scottnema Female Dead
Definition:
The total number of dead female Scottnema lindsayae adult nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
SJL
Label:
Scottnema Juvenile Live
Definition:
The total number of living juvenile Scottnema lindsayae nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
SJD
Label:
Scottnema Juvenile Dead
Definition:
The total number of dead juvenile Scottnema lindsayae nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
SA
Label:
Scottnema Adult
Definition:
The total number of living and dead Scottnema lindsayae adult nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
SJ
Label:
Scottnema Juvenile
Definition:
The total number of living and dead Scottnema lindsayae juvenile nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
STL
Label:
Scottnema Total Live
Definition:
The total number of living Scottnema lindsayae (juvenile and adult) nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
STD
Label:
Scottnema Total Dead
Definition:
The total number of dead Scottnema lindsayae (juvenile and adult) nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
STLD
Label:
Total Scottnema Live and Dead
Definition:
The total number of live + dead Scottnema lindsayae (juvenile and adult) nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
EML
Label:
Eudorylaimus Male Live
Definition:
The total number of living male Eudorylaimus spp. adult nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
EMD
Label:
Eudorylaimus Male Dead
Definition:
The total number of dead male Eudorylaimus spp. adult nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
EFL
Label:
Eudorylaimus Female Live
Definition:
The total number of living female Eudorylaimus spp. adult nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
EFD
Label:
Eudorylaimus Female Dead
Definition:
The total number of dead female Eudorylaimus spp. adult nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
EJL
Label:
Eudorylaimus Juvenile Live
Definition:
The total number of living juvenile Eudorylaimus spp. nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
EJD
Label:
Eudorylaimus Juvenile Dead
Definition:
The total number of dead juvenile Eudorylaimus spp. nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
EA
Label:
Eudorylaimus Adult
Definition:
The total number of living and dead Eudorylaimus spp. adult nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
EJ
Label:
Eudorylaimus Juvenile
Definition:
The total number of living and dead Eudorylaimus spp. juvenile nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
ETL
Label:
Total Eudorylaimus Live
Definition:
Total number of living Eudorylaimus spp. (juvenile and adults) nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
ETD
Label:
Total Eudorylaimus Dead
Definition:
The total number of dead Eudorylaimus spp. (juvenile and adults) nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
ETLD
Label:
Total Eudorylaimus Live and Dead
Definition:
The total number of live + dead Eudorylaimus spp. (juvenile and adults) nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
PFL
Label:
Plectus Female Live
Definition:
The total number of living female Plectus spp. adult nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
PFD
Label:
Plectus Female Dead
Definition:
The total number of dead female Plectus spp. adult nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
PJL
Label:
Plectus Juvenile Live
Definition:
The total number of living juvenile Plectus spp. nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
PJD
Label:
Plectus Juvenile Dead
Definition:
The total number of dead juvenile Plectus spp. adult nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
PA
Label:
Plectus Adult
Definition:
The total number of living and dead Plectus spp. adult nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
PJ
Label:
Plectus Juvenile
Definition:
The total number of living and dead Plectus spp. juvenile nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
PTL
Label:
Plectus Total Live
Definition:
Total number of living Plectus spp. (juvenile and adults) nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
PTD
Label:
Plectus Total Dead
Definition:
The total number of dead Plectus spp. (juvenile and adults) nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
PTLD
Label:
Plectus Total Live and Dead
Definition:
The total number of live + dead Plectus spp. (juvenile and adults) nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
TOTAL_ROTIFERS
Label:
Total Rotifers
Definition:
Total number of rotifers per kg soil oven dry weight equivalent present in a sample.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
TOTAL_TARDIGRADES
Label:
Total Tardigrades
Definition:
Total number of tardigrades per kg soil oven dry weight equivalent present in a sample.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
TOTAL_LIVE
Label:
Total Living Nematodes
Definition:
The total number of living nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
TOTAL_DEAD
Label:
Total Dead Nematodes
Definition:
The total number of dead nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
TOTAL
Label:
Total
Definition:
The total number of living and dead nematodes extracted from the soil sample in number of organisms per kg soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
# kg/soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
COMMENTS
Label:
Comments
Definition:
Comments about the sample.
Type:
Nominal
Missing values:
None specified
PH
Label:
pH
Definition:
The opposite log of the hydrogen ion concentration of a 1:2 soil-water paste.
Type:
Physical quantity
Unit:
dimensionless
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
CONDUCTIVITY
Label:
Conductivity
Definition:
The electrical conductivity in microSiemens/cm of a 1:5 soil:deionized water solution.
Type:
Physical quantity
Unit:
microSiemens/cm
Maximum:
Not specified
Minimum:
Not specified
Precision:
Not specified
Missing values:
Null = None given
TN
Label:
Total Nitrogen
Definition:
Total nitrogen, the nitrogen content of the unacidified soil.
Type:
Physical quantity
Unit:
mg N/g soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
SOC
Label:
Soil Organic Carbon
Definition:
Soil organic carbon, the carbon content of acidified soil.
Type:
Physical quantity
Unit:
mg C/g soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
SIC
Label:
Soil Inorganic Carbon
Definition:
Soil inorganic carbon, the carbon content of unacidified soil minus the carbon content of the acidified soil.
Type:
Physical quantity
Unit:
mg C/g soil
Maximum:
Not specified
Minimum:
0
Precision:
Not specified
Missing values:
Null = None given
NH4_N
Label:
Ammonium
Definition:
Ammonium concentration found using Lachat.
Type:
Physical quantity
Unit:
microgram/g soil
Maximum:
2000
Minimum:
0
Precision:
0.1
Missing values:
Null = None given
NO3_N
Label:
Nitrate
Definition:
Nitrate concentration found using Lachat.
Type:
Physical quantity
Unit:
microgram/g soil
Maximum:
2000
Minimum:
0
Precision:
0.1
Missing values:
Null = None given
CHL_A
Label:
Chlorophyll a
Definition:
The chlorophyll a content of the sample weight in micrograms per gram of soil oven dry weight equivalent.
Type:
Physical quantity
Unit:
ug/g
Maximum:
Not specified
Minimum:
Not specified
Precision:
Not specified
Missing values:
Null = None given
MICROBIAL_C
Label:
Microbial Carbon Biomass
Definition:
Microbial biomass carbon
Type:
Physical quantity
Unit:
microgram C/g soil
Maximum:
2000
Minimum:
0
Precision:
0.1
Missing values:
Null = None given
MICROBIAL_N
Label:
Microbial Nitrogen Biomass
Definition:
Microbial biomass nitrogen
Type:
Physical quantity
Unit:
microgram N/g soil
Maximum:
2000
Minimum:
0
Precision:
0.1
Missing values:
Null = None given
CHEMISTRY_COMMENTS
Label:
Chemistry Comments
Definition:
Comments about the chemical analysis.
Type:
Nominal
Missing values:
None specified
VALLEY_CODE
Label:
Valley Code
Definition:
A sorting header indicating the Valley (Taylor, Miers, Garwood) from which the sample was collected.
Type:
Nominal
Missing values:
None specified
Data Source Details
Header lines:
1
Orientation:
Column
Field delimiter:
,