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Soil

soil

URI: mixs.vocab:Soil

Combinations

Slots

MIxS ID Name Multiplicity Description Pattern Info
MIXS:0000009 lat_lon 0..1 The geographical origin of the sample as defined by latitude and longitude. The values should be reported in decimal degrees and in WGS84 system None .
MIXS:0000018 depth 1..1 The vertical distance below local surface, e.g. for sediment or soil samples depth is measured from sediment or soil surface, respectively. Depth can be reported as an interval for subsurface samples. None .
MIXS:0000094 alt 0..1 Altitude is a term used to identify heights of objects such as airplanes, space shuttles, rockets, atmospheric balloons and heights of places such as atmospheric layers and clouds. It is used to measure the height of an object which is above the earth's surface. In this context, the altitude measurement is the vertical distance between the earth's surface above sea level and the sampled position in the air None .
MIXS:0000093 elev 1..1 Elevation of the sampling site is its height above a fixed reference point, most commonly the mean sea level. Elevation is mainly used when referring to points on the earth's surface, while altitude is used for points above the surface, such as an aircraft in flight or a spacecraft in orbit. None .
MIXS:0000113 temp 0..1 Temperature of the sample at the time of sampling. None .
MIXS:0000010 geo_loc_name 0..1 The geographical origin of the sample as defined by the country or sea name followed by specific region name. Country or sea names should be chosen from the INSDC country list (http://insdc.org/country.html), or the GAZ ontology (http://purl.bioontology.org/ontology/GAZ) None .
MIXS:0000011 collection_date 0..1 The time of sampling, either as an instance (single point in time) or interval. In case no exact time is available, the date/time can be right truncated i.e. all of these are valid times: 2008-01-23T19:23:10+00:00; 2008-01-23T19:23:10; 2008-01-23; 2008-01; 2008; Except: 2008-01; 2008 all are ISO8601 compliant None .
MIXS:0000012 env_broad_scale 0..1 Report the major environmental system the sample or specimen came from. The system(s) identified should have a coarse spatial grain, to provide the general environmental context of where the sampling was done (e.g. in the desert or a rainforest). We recommend using subclasses of EnvO’s biome class: http://purl.obolibrary.org/obo/ENVO_00000428. EnvO documentation about how to use the field: https://github.com/EnvironmentOntology/envo/wiki/Using-ENVO-with-MIxS None .
MIXS:0000013 env_local_scale 0..1 Report the entity or entities which are in the sample or specimen’s local vicinity and which you believe have significant causal influences on your sample or specimen. We recommend using EnvO terms which are of smaller spatial grain than your entry for env_broad_scale. Terms, such as anatomical sites, from other OBO Library ontologies which interoperate with EnvO (e.g. UBERON) are accepted in this field. EnvO documentation about how to use the field: https://github.com/EnvironmentOntology/envo/wiki/Using-ENVO-with-MIxS. None .
MIXS:0000014 env_medium 0..1 Report the environmental material(s) immediately surrounding the sample or specimen at the time of sampling. We recommend using subclasses of 'environmental material' (http://purl.obolibrary.org/obo/ENVO_00010483). EnvO documentation about how to use the field: https://github.com/EnvironmentOntology/envo/wiki/Using-ENVO-with-MIxS . Terms from other OBO ontologies are permissible as long as they reference mass/volume nouns (e.g. air, water, blood) and not discrete, countable entities (e.g. a tree, a leaf, a table top). None .
MIXS:0001083 fao_class 0..1 Soil classification from the FAO World Reference Database for Soil Resources. The list can be found at http://www.fao.org/nr/land/sols/soil/wrb-soil-maps/reference-groups None .
MIXS:0001080 cur_land_use 0..1 Present state of sample site None .
MIXS:0001081 tillage 0..* Note method(s) used for tilling None .
MIXS:0001082 soil_horizon 0..1 Specific layer in the land area which measures parallel to the soil surface and possesses physical characteristics which differ from the layers above and beneath None .
MIXS:0001084 profile_position 0..1 Cross-sectional position in the hillslope where sample was collected.sample area position in relation to surrounding areas None .
MIXS:0001085 drainage_class 0..1 Drainage classification from a standard system such as the USDA system None .
MIXS:0000322 sieving 0..1 Collection design of pooled samples and/or sieve size and amount of sample sieved None .
MIXS:0000325 pool_dna_extracts 0..* Indicate whether multiple DNA extractions were mixed. If the answer yes, the number of extracts that were pooled should be given. None .
MIXS:0000318 crop_rotation 0..1 Whether or not crop is rotated, and if yes, rotation schedule None .
MIXS:0001001 ph 0..1 Ph measurement of the sample, or liquid portion of sample, or aqueous phase of the fluid None .
MIXS:0000185 water_content 0..1 Water content measurement None .
MIXS:0000607 al_sat 0..1 Aluminum saturation (esp. For tropical soils) None .
MIXS:0000644 annual_precpt 0..1 The average of all annual precipitation values known, or an estimated equivalent value derived by such methods as regional indexes or Isohyetal maps. None .
MIXS:0000642 annual_temp 0..1 Mean annual temperature None .
MIXS:0000650 microbial_biomass 0..1 The part of the organic matter in the soil that constitutes living microorganisms smaller than 5-10 micrometer. If you keep this, you would need to have correction factors used for conversion to the final units None .
MIXS:0000204 org_matter 0..1 Concentration of organic matter None .
MIXS:0000205 org_nitro 0..1 Concentration of organic nitrogen None .
MIXS:0000645 season_precpt 0..1 The average of all seasonal precipitation values known, or an estimated equivalent value derived by such methods as regional indexes or Isohyetal maps. None .
MIXS:0000643 season_temp 0..1 Mean seasonal temperature None .
MIXS:0000647 slope_aspect 0..1 The direction a slope faces. While looking down a slope use a compass to record the direction you are facing (direction or degrees); e.g., nw or 315 degrees. This measure provides an indication of sun and wind exposure that will influence soil temperature and evapotranspiration. None .
MIXS:0000646 slope_gradient 0..1 Commonly called 'slope'. The angle between ground surface and a horizontal line (in percent). This is the direction that overland water would flow. This measure is usually taken with a hand level meter or clinometer None .
MIXS:0000335 soil_text_measure 0..1 The relative proportion of different grain sizes of mineral particles in a soil, as described using a standard system; express as % sand (50 um to 2 mm), silt (2 um to 50 um), and clay (<2 um) with textural name (e.g., silty clay loam) optional. None .
MIXS:0000530 tot_nitro_content 0..1 Total nitrogen content of the sample None .
MIXS:0000533 tot_org_carb 0..1 Definition for soil: total organic carbon content of the soil, definition otherwise: total organic carbon content None .
MIXS:0000324 al_sat_meth 0..1 Reference or method used in determining Al saturation None .
MIXS:0000314 cur_vegetation_meth 0..1 Reference or method used in vegetation classification None .
MIXS:0000343 heavy_metals_meth 0..1 Reference or method used in determining heavy metals None .
MIXS:0000321 horizon_meth 0..1 Reference or method used in determining the horizon None .
MIXS:0000340 link_addit_analys 0..1 Link to additional analysis results performed on the sample None .
MIXS:0000329 link_class_info 0..1 Link to digitized soil maps or other soil classification information None .
MIXS:0000328 link_climate_info 0..1 Link to climate resource None .
MIXS:0000331 local_class_meth 0..1 Reference or method used in determining the local soil classification None .
MIXS:0000339 micro_biomass_meth 0..1 Reference or method used in determining microbial biomass None .
MIXS:0001106 ph_meth 0..1 Reference or method used in determining ph None .
MIXS:0000316 prev_land_use_meth 0..1 Reference or method used in determining previous land use and dates None .
MIXS:0000341 salinity_meth 0..1 Reference or method used in determining salinity None .
MIXS:0000336 soil_texture_meth 0..1 Reference or method used in determining soil texture None .
MIXS:0000334 soil_type_meth 0..1 Reference or method used in determining soil series name or other lower-level classification None .
MIXS:0000338 tot_nitro_cont_meth 0..1 Reference or method used in determining the total nitrogen None .
MIXS:0000337 tot_org_c_meth 0..1 Reference or method used in determining total organic carbon None .
MIXS:0000323 water_cont_soil_meth 0..1 Reference or method used in determining the water content of soil None .
MIXS:0000332 soil_type 0..* Description of the soil type or classification. This field accepts terms under soil (http://purl.obolibrary.org/obo/ENVO_00001998). Multiple terms can be separated by pipes. None .
MIXS:0000312 cur_vegetation 0..1 Vegetation classification from one or more standard classification systems, or agricultural crop None .
MIXS:0000330 local_class 0..1 Soil classification based on local soil classification system None .
MIXS:0000327 store_cond 0..1 Explain how and for how long the soil sample was stored before DNA extraction (fresh/frozen/other). None .
MIXS:0000652 heavy_metals 0..* Heavy metals present in the sequenced sample and their concentrations. For multiple heavy metals and concentrations, add multiple copies of this field. None .
MIXS:0000752 misc_param 0..* Any other measurement performed or parameter collected, that is not listed here None .
MIXS:0000639 agrochem_addition 0..* Addition of fertilizers, pesticides, etc. - amount and time of applications None .
MIXS:0000315 previous_land_use 0..1 Previous land use and dates None .
MIXS:0000320 extreme_event 0..1 Unusual physical events that may have affected microbial populations None .
MIXS:0001086 fire 0..1 Historical and/or physical evidence of fire None .
MIXS:0000319 flooding 0..1 Historical and/or physical evidence of flooding None .

Usages

Identifier and Mapping Information