Metadata for environmental samples

The following table contains an overview of the core and partially harmonised metadata attributes. For ease of use, the Metalog website shows more descriptive field names. The table contains both the name shown in the download files and the one shown here on the website. Click the icons in the table to see more information for each field.

Field name
Label shown on website
Count
Most common values
artificial
artificial or special treatment
4812
sorted cells, cultivation, mesocosm
depth_meters
depth (meters)
11233
0, 0.0, 1
elevation_meters
elevation (meters)
7800
116, 1553, 294.0
environment_feature
source material environment
25960
lake [ENVO:00000020], forest soil [ENVO:00002261], river [ENVO:00000022]
environment_material
source material
25960
soil [ENVO:00001998], sediment [ENVO:00002007], fresh water [ENVO:00002011]
filtration_lower_threshold_um
lower size cutoff (collection filter pore size, µm)
2128
0.22, 0.2, 0
filtration_upper_threshold_um
upper size cutoff (pre-filter pore size, µm)
2090
Infinity, 5, 20
geographic_location
country/ocean region
25960
USA, China, Canada
latitude
25924
1.3453, 1.31, 38.9383
location
24540
USA, Singapore: Nanyang Technology University campus, Canada
location_resolution
resolution of location info
25960
exact_location, region, country
longitude
25924
103.6797, 103.84, -93.59981
mean_annual_precipitation_mm
mean annual precipitation (mm)
1217
395-2486, 516, 523
mean_annual_temperature
mean annual temperature (°C)
1224
9.8, −2.7-27.9, 1.2
pH
pH
4071
7.08, 8.0824999999999996, 8.6
sample_alias
25960
Achberger_2024_hydrothermal_vent.ALV5015-01-R01A, Achberger_2024_hydrothermal_vent.ALV5015-01-R01C, Achberger_2024_hydrothermal_vent.ALV5019-02-R01A
study_code
25960
JGI_darkmatter, Lee_2024_house_dust, Gusareva_2019_air
temperature
temperature (°C)
3608
85.9, 45.6, 11

Field name
Label shown on website
Count
Most common values
DESCRIPTION
18
Bacteria cultured on regular media in soil 6w after crude oil addition, Crude oil Cultivated bacteria in soil 6 w after crude oil addition, Initial microbiome in soil 6w after crude oil addition
DOL_range
24
13 to 20, 21 to 28, 5 to 12
Field_nominal_C
32
10, 20, 25
acetate_uM
5
1.80, 19.50, 20.54
added_matter
117
Nutrients,Oil,Dispersant, Nutrients,Oil, Nutrients
ammonium_mg_l
66
0.01, 0.25, 358.3
ammonium_uM
47
62, 0.6748295, 0.268083
butyrate_uM
5
0, 0.12, 0.17
calcium_mg_l
37
19.4, 47.9, 0.75
carbon_dioxide_uM
148
113.6702608, 139.1584005, 194.4967442
chloride_mg_l
37
13.38, 2.4, 10.3
climatic_zone
180
ambient, future
dissolved_organic_carbon_uM
15
113.08, 137.5, 182.67
dissolved_oxygen_uM
24
123.16, 138.44, 138.75
enriched_soil
27
TRUE, FALSE
ferric_iron_uM
158
0, 0.9, 0.2
ferrous_iron_uM
161
0, 1.6, 6.4
ferrous_uM
9
13.1 +- 2.86, 11.5 +- 4.12, 9.49 +- 2.33
filtration_lower_threshold
34
0.22
filtration_lower_threshold_kDa
48
3, 10
food_name
117
Garlic, Ginger, Onion, Green onion, Leaf, Sugar, Glucose, Monosodium, Sodium saccharin, Acesulfame potassium, Aspartame, Shrimp, Anchovy, Xanthan gum, Garlic, Ginger, Green onion, Leaf, Sugar, Extract, Unclear seasoning, Shrimp, Anchovy, Garlic, Ginger, Onion, Green onion, Leaf, Sugar, Extract of decomposing wheat, Anchovy, Yellow corvina and cutlassfish
formate_uM
5
1.61, 10.38, 2.32
full_description
219
Terra Nova:Summer, Hibernia:Summer, Thebaud:Summer
host_common_name
604
switchgrass, silvergrass, limber pine
host_scientific_name
1032
Arabidopsis thaliana, Panicum virgatum, Miscanthus sp
host_tax_scientific_name
54
Setaria italica
hydrosulfide_uM
9
1.93 +- 2.36, 0.13 +- 0.04, 0.51 +- 0.42
infant_ID
24
Sloan2_5, Sloan2_12, Sloan2_18
iron_mg_l
9
0.36, 0.1, 0.14
iron_uM
168
0, 2.5, 14.3
isolation_source
isolation source
3128
aquifer, hot spring sediment, saline lake water
land_use_category
391
fen, pasture, Upland
land_use_full
375
conventional farming, intensive grassland, organic farming
location_name
256
Pine Lake, Green Lake, Heart Lake
magnesium_mg_l
37
3.1, 8, 8.3
manganese_uM
3
286
methane_uM
233
175, 0.07, 0.48640903
nitrate_mg_l
108
0.115, 19.32, 8.14
nitrate_nitrite_uM
35
36.006, 0.28, 0.304
nitrate_uM
nitrate concentration (µM)
1031
0.32, 0, 0.48
nitrite_mg_l
37
0.003, 0.16, 464.1
nitrite_uM
12
<2.17, 0.43
nitrogen_dioxide_uM
15
1.628, 11.7, 19.09
nitrogen_percent
241
0.13, 0.14, 0.172
note
108
Tomato seedlings were incubated in the greenhouse at 27-33 degrees celsius for 3 weeks before planting in the field in rhizoboxes., concentrations in molar seem unlikely, hydrocarbon contaminated soil
original_sample_name
2977
Anoxic lake water microbial communities from Lake Kivu, Rwanda - MDM2.Kivu325.minimeta.G3, Anoxic lake water microbial communities from Lake Kivu, Rwanda - MDM2.Kivu325.minimeta.H3, Anoxic lake water microbial communities from Lake Kivu, Rwanda - MDM2.Kivu325.minimeta.J3
oxygen_mg_l
325
0, -0.1, 0.1
oxygen_uM
629
196.56, 107.194, 0.463
pH_range
86
5.31 to 5.49, 5.34 to 5.44, 7.49 to 7.60
ph_range
24
approx. 7
phosphate_uM
75
0.15, 0.18, 0.23
phosphorus_mg_l
19
0.1, 0.18, 0.08
phosphorus_uM
9
74.3 +- 45.2, 45.2 +- 10.3, 64.6 +- 38.8
plant
49
Buffalo, Carex appressa, Leptospermum continentale
potassium_mg_l
37
1.3, 1.7, 1.2
propionate_uM
5
0.96, 1.05, 2.01
salinity
salinity (PSU)
102
0.1, 0, 34.56
salinity_ppm
5
0.035, 0.0325
salinity_ppt
90
0.7, 0.01, 0.08
sample_description
7625
Keywords: GSC:MIxS;MIMS:5.0, Vaccuum dust from bedding and floor adjacent to bed, soil metagenome
sample_title
23330
Metagenome or environmental sample from dust metagenome, MIMS Environmental/Metagenome sample from air metagenome, Sample for the Ancient arctic plant and animal eDNA shotgun sequencing dataset
sampling_campaign
sampling campaign
127
TS14
sampling_platform
sampling platform
127
R/V Tan Suo Yi Hao
sampling_site
59
greenhouse, Tasiilaq, Kangerlussuaq
silicate_uM
37
10.51, 10.21, 11.35
site_description
20
Sandy, silt loam
sodium_mg_l
37
2.7, 7.9, 1.11
specific_material
18
effluent of wastewater, hospital wastewater, influent of wastewater
strain
breed or strain
32
Pinot Meunier, Flame, Agave salmiana Otto ex Salm subsp. crassispina
study_accession
9212
PRJEB24121, PRJEB24450, PRJEB31530, PRJEB19856, PRJEB19855, PRJEB18701
sulfate_mg_l
322
0, 115, 133.5
sulfate_uM
12
<1.04, 32
sulfide_uM
12
363, 15.2, 25.4
temperature_range
71
35 to 40, 14 to 18, 20.5 to 21.4
time_period
9
35000 BP, >28 BP, >36 BP
total_dissolved_nitrogen_uM
15
165.71, 197.36, 361.29
total_iron_uM
9
21.5 +- 17.9, 11.6 +- 6.62, 12.4 +- 4.48
total_manganese_uM
9
0.36 +- 0.00, 2.00 +- 1.46, 0.38 +- 0.24
total_nitrate
44
0.59-0.67, 0.61-0.67, 1.021
total_organic_carbon
58
1.89-2.05, 1.93-2.01, 0.4840
vegetation
195
sedges, Sphagnum, grasses
vegetation_full
195
sedges, Sphagnum_spp., grasses
water_depth_meters
127
unknown, 2670, 3195