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MIxS Checklist · ERC000031

built environment

Genomic Standards Consortium package extension for reporting of measurements and observations obtained from the environment where the sample was obtained. By choosing the environmental package, a selection of fields can be made from a relevant subsets of the GSC terms.

214 fields21 requiredmixsv1.0.0
SeqDesk offers this GSC MIxS environment checklist when you define studies and samples, so contributors enter exactly the metadata the standard expects. The catalog is kept in sync with the upstream GSC MIxS / ENA checklist definitions (registry v2), last updated 2026-06-03, and is published through our registry API. Source: https://www.ebi.ac.uk/ena/browser/view/ERC000031.

Host inoculation

number of inoculated individualsOptional
number_of_inoculated_individuals

Number of host individuals inoculated for the experiment.

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Organism characteristics: ecosystem

trophic levelOptional
trophic_level

Trophic levels are the feeding position in a food chain. Microbes can be a range of producers (e.g. chemolithotroph)

select30 options
observed biotic relationshipOptional
observed_biotic_relationship

Description of relationship(s) between the subject organism and other organism(s) it is associated with. E.g., parasite on species X; mutualist with species Y. The target organism is the subject of the relationship, and the other organism(s) is the object.

select5 options
known pathogenicityOptional
known_pathogenicity

To what is the entity pathogenic, for instance plant, fungi, bacteria

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relationship to oxygenOptional
relationship_to_oxygen

Is this organism an aerobe, anaerobe? Please note that aerobic and anaerobic are valid descriptors for microbial environments

select7 options
propagationOptional
propagation

The type of reproduction from the parent stock. Values for this field is specific to different taxa. For phage or virus: lytic/lysogenic/temperate/obligately lytic. For plasmids: incompatibility group. For eukaryotes: sexual/asexual. Mandatory for MIGs of eukayotes, plasmids and viruses.

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sample collection: methods, storage and transport

sample collection deviceOptional
sample_collection_device

The device used to collect an environmental sample. It is recommended to use terms listed under environmental sampling device (http://purl.obolibrary.org/obo/ENVO) and/or terms listed under specimen collection device (http://purl.obolibrary.org/obo/GENEPIO_0002094).

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sample collection methodOptional
sample_collection_method

The method employed for collecting the sample. Can be provided in the form of a PMID, DOI, url or text.

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non-sample terms: study or project

project nameRequired
project_name

Name of the project within which the sequencing was organized

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Human surveillance data

frequency of cookingOptional
frequency_of_cooking

The number of times a meal is cooked per week

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non-sample terms

ploidyOptional
ploidy

The ploidy level of the genome (e.g. allopolyploid, haploid, diploid, triploid, tetraploid). It has implications for the downstream study of duplicated gene and regions of the genomes (and perhaps for difficulties in assembly). For terms, please select terms listed under class ploidy (PATO:001374) of Phenotypic Quality Ontology (PATO), and for a browser of PATO (v 2018-03-27) please refer to http://purl.bioontology.org/ontology/PATO

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number of repliconsOptional
number_of_replicons

Reports the number of replicons in a nuclear genome of eukaryotes, in the genome of a bacterium or archaea or the number of segments in a segmented virus. Always applied to the haploid chromosome count of a eukaryote. Mandatory for MIGS of eukaryotes, bacteria, archaea and segmented virus.

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extrachromosomal elementsOptional
extrachromosomal_elements

Do plasmids exist of significant phenotypic consequence (e.g. ones that determine virulence or antibiotic resistance). Megaplasmids? Other plasmids (borrelia has 15+ plasmids).

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estimated sizeOptional
estimated_size

The estimated size of the genome (in bp) prior to sequencing. Of particular importance in the sequencing of (eukaryotic) genome which could remain in draft form for a long or unspecified period. Mandatory for MIGS of eukaryotes.

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target geneOptional
target_gene

Targeted gene or locus name for marker gene studies

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target subfragmentOptional
target_subfragment

Name of subfragment of a gene or locus. Important to e.g. identify special regions on marker genes like V6 on 16S rRNA

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multiplex identifiersOptional
multiplex_identifiers

Molecular barcodes, called Multiplex Identifiers (MIDs), that are used to specifically tag unique samples in a sequencing run. Sequence should be reported in uppercase letters

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sequence quality checkOptional
sequence_quality_check

Indicate if the sequence has been called by automatic systems (none) or undergone a manual editing procedure (e.g. by inspecting the raw data or chromatograms). Applied only for sequences that are not submitted to SRA or DRA

select3 options
chimera check softwareOptional
chimera_check_software

Tool(s) used for chimera checking, including version number and parameters, to discover and remove chimeric sequences. A chimeric sequence is comprised of two or more phylogenetically distinct parent sequences.

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relevant electronic resourcesOptional
relevant_electronic_resources

A related resource that is referenced, cited, or otherwise associated to the sequence in the format of a PMID, DOI or URL

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relevant standard operating proceduresOptional
relevant_standard_operating_procedures

Standard operating procedures used in assembly and/or annotation of genomes, metagenomes or environmental sequences in the format of a PMID, DOI or URL

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Collection event information

collection dateRequired
collection_date

The date the sample was collected with the intention of sequencing, 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 ISO8601 compliant times: 2008-01-23T19:23:10+00:00; 2008-01-23T19:23:10; 2008-01-23; 2008-01; 2008.

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altitudeOptional
altitude

The altitude of the sample is the vertical distance between Earth's surface above Sea Level and the sampled position in the air.

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geographic location (latitude)Required
geographic_location_latitude

The geographical origin of the sample as defined by latitude. The values should be reported in decimal degrees and in WGS84 system

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geographic location (longitude)Required
geographic_location_longitude

The geographical origin of the sample as defined by longitude. The values should be reported in decimal degrees and in WGS84 system

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geographic location (region and locality)Optional
geographic_location_region_and_locality

The geographical origin of the sample as defined by the specific region name followed by the locality name.

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broad-scale environmental contextRequired
broadscale_environmental_context

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.

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local environmental contextRequired
local_environmental_context

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 "broad-scale environmental context". 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.

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environmental mediumRequired
environmental_medium

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).

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elevationOptional
elevation

The elevation of the sampling site as measured by the vertical distance from mean sea level.

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sampling time outsideOptional
sampling_time_outside

The recent and long term history of outside sampling

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temperature outside houseOptional
temperature_outside_house

The recorded temperature value at sampling time outside

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train station collection locationOptional
train_station_collection_location

The train station collection location

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train stop collection locationOptional
train_stop_collection_location

The train stop collection location

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internal environment

surface materialOptional
surface_material

surface materials at the point of sampling

select16 options
surface-air contaminantOptional
surfaceair_contaminant

contaminant identified on surface

select8 options
indoor surfaceOptional
indoor_surface

type of indoor surface

select9 options
indoor spaceRequired
indoor_space

a distinguishable space within a structure, the purpose for which discrete areas of a building is used

select12 options
filter typeRequired
filter_type

a device which removes solid particulates or airborne molecular contaminants

select7 options
heating and cooling system typeRequired
heating_and_cooling_system_type

methods of conditioning or heating a room or building

select5 options
substructure typeOptional
substructure_type

the substructure or under building is that largely hidden section of the building which is built off the foundations to the ground floor level

select3 options
light typeRequired
light_type

application of light to achieve some practical or aesthetic effect. Lighting includes the use of both artificial light sources such as lamps and light fixtures, as well as natural illumination by capturing daylight. Can also include absence of light

select3 options
building settingRequired
building_setting

a location (geography) where a building is set

select4 options
building occupancy typeRequired
building_occupancy_type

the primary function for which a building or discrete part of a building is intended to be used

select21 options
space typical stateRequired
space_typical_state

customary or normal state of the space

select2 options
typical occupant densityRequired
typical_occupant_density

customary or normal density of occupants

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occupancy at samplingRequired
occupancy_at_sampling

number of occupants present at time of sample within the given space

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occupant density at samplingRequired
occupant_density_at_sampling

average number of occupants at time of sampling per square footage

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ventilation typeRequired
ventilation_type

The intentional movement of air from outside a building to the inside through forced or natural movement of air

select3 options
rooms that are on the same hallwayOptional
rooms_that_are_on_the_same_hallway

List of room(s) (room number, room name) located in the same hallway as sampling room

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wall surface treatmentOptional
wall_surface_treatment

The surface treatment of interior wall

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wall areaOptional
wall_area

The total area of the sampled room's walls

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elevator countOptional
elevator_count

The number of elevators within the built structure

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floor areaOptional
floor_area

The area of the floor space within the room

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furnitureOptional
furniture

The types of furniture present in the sampled room

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water feature typeOptional
water_feature_type

The type of water feature present within the building being sampled

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room door distanceOptional
room_door_distance

Distance between doors (meters) in the hallway between the sampling room and adjacent rooms

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room typeOptional
room_type

The main purpose or activity of the sampling room. A room is any distinguishable space within a structure

select27 options
window locationOptional
window_location

The relative location of the window within the room

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ceiling typeOptional
ceiling_type

The type of ceiling according to the ceiling's appearance or construction

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door direction of openingOptional
door_direction_of_opening

The direction the door opens

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exposed pipesOptional
exposed_pipes

The number of exposed pipes in the room

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wall heightOptional
wall_height

The average height of the walls in the sampled room

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door type, metalOptional
door_type_metal

The type of metal door

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inside lux lightOptional
inside_lux_light

The recorded value at sampling time (power density)

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exposed ductworkOptional
exposed_ductwork

The amount of exposed ductwork in the room

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door materialOptional
door_material

The material the door is composed of

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adjacent roomsOptional
adjacent_rooms

List of rooms (room number, room name) immediately adjacent to the sampling room

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wall thermal massOptional
wall_thermal_mass

The ability of the wall to provide inertia against temperature fluctuations. Generally this means concrete or concrete block that is either exposed or covered only with paint

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ceiling signs of water/moldOptional
ceiling_signs_of_watermold

Signs of the presence of mold or mildew on the ceiling

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window statusOptional
window_status

Defines whether the windows were open or closed during environmental testing

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door locationOptional
door_location

The relative location of the door in the room

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window signs of water/moldOptional
window_signs_of_watermold

Signs of the presence of mold or mildew on the window.

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window typeOptional
window_type

The type of windows

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window materialOptional
window_material

The type of material used to finish a window

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window horizontal positionOptional
window_horizontal_position

The horizontal position of the window on the wall

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room conditionOptional
room_condition

The condition of the room at the time of sampling

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window area/sizeOptional
window_areasize

The window's length and width

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sampling floorOptional
sampling_floor

The floor of the building, where the sampling room is located

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room countOptional
room_count

The total count of rooms in the built structure including all room types

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average daily occupancyOptional
average_daily_occupancy

Daily average occupancy of room. Indicate the number of person(s) daily occupying the sampling room.

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floor conditionOptional
floor_condition

The physical condition of the floor at the time of sampling; photos or video preferred; use drawings to indicate location of damaged areas

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door type, woodOptional
door_type_wood

The type of wood door

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door conditionOptional
door_condition

The physical condition of the door

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door movementOptional
door_movement

The type of movement of the door

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interior wall conditionOptional
interior_wall_condition

The physical condition of the wall at the time of sampling; photos or video preferred; use drawings to indicate location of damaged areas

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floor signs of water/moldOptional
floor_signs_of_watermold

Signs of the presence of mold or mildew in a room

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ceiling structureOptional
ceiling_structure

The construction format of the ceiling

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wall textureOptional
wall_texture

The feel, appearance, or consistency of a wall surface

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floor thermal massOptional
floor_thermal_mass

The ability of the floor to provide inertia against temperature fluctuations

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room air exchange rateOptional
room_air_exchange_rate

The rate at which outside air replaces indoor air in a given space

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bathroom countOptional
bathroom_count

The number of bathrooms in the building

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shading device signs of water/moldOptional
shading_device_signs_of_watermold

Signs of the presence of mold or mildew on the shading device

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window coveringOptional
window_covering

The type of window covering

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ceiling textureOptional
ceiling_texture

The feel, appearance, or consistency of a ceiling surface

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maximum occupancyOptional
maximum_occupancy

The maximum amount of people allowed in the indoor environment

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gender of restroomOptional
gender_of_restroom

The gender type of the restroom

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ceiling conditionOptional
ceiling_condition

The physical condition of the ceiling at the time of sampling; photos or video preferred; use drawings to indicate location of damaged areas

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floor structureOptional
floor_structure

Refers to the structural elements and subfloor upon which the finish flooring is installed

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rooms that share a wall with sampling roomOptional
rooms_that_share_a_wall_with_sampling_room

List of room(s) (room number, room name) sharing a wall with the sampling room

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wall finish materialOptional
wall_finish_material

The material utilized to finish the outer most layer of the wall

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room occupancyOptional
room_occupancy

Count of room occupancy at time of sampling

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room location in buildingOptional
room_location_in_building

The position of the room within the building

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floor finish materialOptional
floor_finish_material

The floor covering type; the finished surface that is walked on

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room window countOptional
room_window_count

Number of windows in the room

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sampling room id or nameOptional
sampling_room_id_or_name

Explain how and for how long the soil sample was stored before DNA extraction (fresh/frozen/other).

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height carpet fiber matOptional
height_carpet_fiber_mat

The average carpet fiber height in the indoor environment

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ceiling areaOptional
ceiling_area

The area of the ceiling space within the room

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heating system delivery methodOptional
heating_system_delivery_method

The method by which the heat is delivered through the system

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room sampling positionOptional
room_sampling_position

The horizontal sampling position in the room relative to architectural elements

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room moisture damage or mold historyOptional
room_moisture_damage_or_mold_history

The history of moisture damage or mold in the past 12 months. Number of events of moisture damage or mold observed

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door signs of water/moldOptional
door_signs_of_watermold

Signs of the presence of mold or mildew on a door

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room net areaOptional
room_net_area

The net floor area of sampling room. Net area excludes wall thicknesses

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ceiling thermal massOptional
ceiling_thermal_mass

The ability of the ceiling to provide inertia against temperature fluctuations. Generally this means concrete that is exposed. A metal deck that supports a concrete slab will act thermally as long as it is exposed to room air flow

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rooms that share a door with sampling roomOptional
rooms_that_share_a_door_with_sampling_room

List of room(s) (room number, room name) sharing a door with the sampling room

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orientations of exterior windowOptional
orientations_of_exterior_window

The compass direction the exterior window of the room is facing

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wall locationOptional
wall_location

The relative location of the wall within the room

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room volumeOptional
room_volume

Volume of sampling room

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door type, compositeOptional
door_type_composite

The composite type of the door

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bedroom countOptional
bedroom_count

The number of bedrooms in the building

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wall construction typeOptional
wall_construction_type

The building class of the wall defined by the composition of the building elements and fire-resistance rating.

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wall signs of water/moldOptional
wall_signs_of_watermold

Signs of the presence of mold or mildew on a wall

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window conditionOptional
window_condition

The physical condition of the window at the time of sampling

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escalator countOptional
escalator_count

The number of escalators within the built structure

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cooling system identifierOptional
cooling_system_identifier

The cooling system identifier

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quadrant positionOptional
quadrant_position

The quadrant position of the sampling room within the building

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number of petsOptional
number_of_pets

The number of pets residing in the sampled space

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window vertical positionOptional
window_vertical_position

The vertical position of the window on the wall

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fireplace typeOptional
fireplace_type

A firebox with chimney

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heating delivery locationsOptional
heating_delivery_locations

The location of heat delivery within the room

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ceiling finish materialOptional
ceiling_finish_material

The type of material used to finish a ceiling

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door typeOptional
door_type

The type of door material

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number of houseplantsOptional
number_of_houseplants

The number of plant(s) in the sampling space

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floor ageOptional
floor_age

The time period since instalment of the carpet or flooring

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rooms connected by a doorwayOptional
rooms_connected_by_a_doorway

List of rooms connected to the sampling room by a doorway

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specificationsOptional
specifications

The building specifications. If design is chosen, indicate phase: conceptual, schematic, design development, construction documents

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specific humidityOptional
specific_humidity

The mass of water vapour in a unit mass of moist air, usually expressed as grams of vapour per kilogram of air, or, in air conditioning, as grains per pound.

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window open frequencyOptional
window_open_frequency

The number of times windows are opened per week

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room dimensionsOptional
room_dimensions

The length, width and height of sampling room

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water feature sizeOptional
water_feature_size

The size of the water feature

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sample collection

amount or size of sample collectedOptional
amount_or_size_of_sample_collected

The total amount or size (volume (ml), mass (g) or area (m2) ) of sample collected.

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sample size sorting methodOptional
sample_size_sorting_method

method by which samples are sorted

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organism countOptional
organism_count

Total cell count of any organism (or group of organisms) per gram, volume or area of sample, should include name of organism followed by count. The method that was used for the enumeration (e.g. qPCR, atp, mpn, etc.) Should also be provided. (example: total prokaryotes; 3.5e7 cells per ml; qpcr)

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unusual properties

mechanical structureOptional
mechanical_structure

mechanical structure: a moving structure

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Organism characteristics

handidnessOptional
handidness

The handidness of the individual sampled

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geographic location (country and/or sea)Required
geographic_location_country_andor_sea

The geographical origin of where the sample was collected from, with the intention of sequencing, as defined by the country or sea name. Country or sea names should be chosen from the INSDC country list (http://insdc.org/country.html).

select294 options

host disorder

host disease statusOptional
host_disease_status

list of diseases with which the host has been diagnosed; can include multiple diagnoses. The value of the field depends on host; for humans the terms should be chosen from DO (Disease Ontology) at http://www.disease-ontology.org, other hosts are free text

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host description

host scientific nameOptional
host_scientific_name

Scientific name of the natural (as opposed to laboratory) host to the organism from which sample was obtained.

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local environment conditions

relative air humidityRequired
relative_air_humidity

partial vapor and air pressure, density of the vapor and air, or by the actual mass of the vapor and air

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absolute air humidityRequired
absolute_air_humidity

actual mass of water vapor - mh20 - present in the air water vapor mixture

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surface humidityOptional
surface_humidity

surface water activity as a function of air and material moisture

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air temperatureOptional
air_temperature

temperature of the air at time of sampling

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surface temperatureOptional
surface_temperature

temperature of the surface at time of sampling

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surface moistureOptional
surface_moisture

water held on the surface

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surface moisture pHOptional
surface_moisture_ph

pH measurement of surface

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dew pointOptional
dew_point

The temperature to which a given parcel of humid air must be cooled, at constant barometric pressure, for water vapor to condense into water

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temperatureOptional
temperature

temperature of the sample at time of sampling

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last time swept/mopped/vacuumedOptional
last_time_sweptmoppedvacuumed

The last time the floor was cleaned (swept, mopped, vacuumed)

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number of residentsOptional
number_of_residents

The number of individuals currently occupying in the sampling location

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average dew pointOptional
average_dew_point

The average of dew point measures taken at the beginning of every hour over a 24 hour period on the sampling day

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frequency of cleaningOptional
frequency_of_cleaning

The number of times the sample location is cleaned. Frequency of cleaning might be on a Daily basis, Weekly, Monthly, Quarterly or Annually.

select5 options

concentration measurement

carbon dioxideOptional
carbon_dioxide

carbon dioxide (gas) amount or concentration at the time of sampling

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Pointer to physical material

source material identifiersOptional
source_material_identifiers

A unique identifier assigned to a material sample (as defined by http://rs.tdwg.org/dwc/terms/materialSampleID, and as opposed to a particular digital record of a material sample) used for extracting nucleic acids, and subsequent sequencing. The identifier can refer either to the original material collected or to any derived sub-samples. The INSDC qualifiers /specimen_voucher, /bio_material, or /culture_collection may or may not share the same value as the source_mat_id field. For instance, the /specimen_voucher qualifier and source_mat_id may both contain 'UAM:Herps:14' , referring to both the specimen voucher and sampled tissue with the same identifier. However, the /culture_collection qualifier may refer to a value from an initial culture (e.g. ATCC:11775) while source_mat_id would refer to an identifier from some derived culture from which the nucleic acids were extracted (e.g. xatc123 or ark:/2154/R2).

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local environment history

seasonal useOptional
seasonal_use

The seasons the space is occupied

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seasonOptional
season

The season when sampling occurred. Any of the four periods into which the year is divided by the equinoxes and solstices. This field accepts terms listed under season (http://purl.obolibrary.org/obo/NCIT_C94729).

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average temperatureOptional
average_temperature

The average of temperatures taken at the beginning of every hour over a 24 hour period on the sampling day

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host details

host specificity or rangeOptional
host_specificity_or_range

The range and diversity of host species that an organism is capable of infecting, defined by NCBI taxonomy identifier.

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treatment

perturbationOptional
perturbation

type of perturbation, e.g. chemical administration, physical disturbance, etc., coupled with time that perturbation occurred; can include multiple perturbation types

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experimental factor and block

negative control typeOptional
negative_control_type

The substance or equipment used as a negative control in an investigation

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positive control typeOptional
positive_control_type

The substance, mixture, product, or apparatus used to verify that a process which is part of an investigation delivers a true positive.

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experimental factorOptional
experimental_factor

Experimental factors are essentially the variable aspects of an experiment design which can be used to describe an experiment, or set of experiments, in an increasingly detailed manner. This field accepts ontology terms from Experimental Factor Ontology (EFO) and/or Ontology for Biomedical Investigations (OBI). For a browser of EFO (v 2.95) terms, please see http://purl.bioontology.org/ontology/EFO; for a browser of OBI (v 2018-02-12) terms please see http://purl.bioontology.org/ontology/OBI. E.g. time series design [EFO:EFO_0001779]

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Organism characteristics: genetic

encoded traitsOptional
encoded_traits

Should include key traits like antibiotic resistance or xenobiotic degradation phenotypes for plasmids, converting genes for phage

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subspecific genetic lineageOptional
subspecific_genetic_lineage

Information about the genetic distinctness of the sequenced organism below the subspecies level, e.g., serovar, serotype, biotype, ecotype, or any relevant genetic typing schemes like Group I plasmid. Subspecies should not be recorded in this term, but in the NCBI taxonomy. Supply both the lineage name and the lineage rank separated by a colon, e.g., biovar:abc123.

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taxonomic classificationOptional
taxonomic_classification

Method used for taxonomic classification, along with reference database used, classification rank, and thresholds used to classify new genomes. Expected values are: classification method, database name, and other parameters e.g. vConTACT vContact2 (references from NCBI RefSeq v83, genus rank classification, default parameters)

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Reference

isolation and growth conditionOptional
isolation_and_growth_condition

Publication reference in the form of pubmed ID (pmid), digital object identifier (doi) or url for isolation and growth condition specifications of the organism/material. Mandatory for MIGS and MIMARKS Specimen.

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annotation sourceOptional
annotation_source

For cases where annotation was provided by a community jamboree or model organism database rather than by a specific submitter

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reference for biomaterialOptional
reference_for_biomaterial

Primary publication if isolated before genome publication; otherwise, primary genome report. Mandatory for MIGS of bacteria and archaea.

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sample processing

sample material processingOptional
sample_material_processing

A brief description of any processing applied to the sample during or after retrieving the sample from environment, or a link to the relevant protocol(s) performed.

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sample volume or weight for DNA extractionOptional
sample_volume_or_weight_for_dna_extraction

Volume (ml) or mass (g) of total collected sample processed for DNA extraction. Note: total sample collected should be entered under the term 'sample size'.

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nucleic acid extractionOptional
nucleic_acid_extraction

A link to a literature reference, electronic resource or a standard operating procedure (SOP), that describes the material separation to recover the nucleic acid fraction from a sample

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nucleic acid amplificationOptional
nucleic_acid_amplification

A link to a literature reference, electronic resource or a standard operating procedure (SOP), that describes the enzymatic amplification (PCR, TMA, NASBA) of specific nucleic acids

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library sizeOptional
library_size

Total number of clones in the library prepared for the project

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library reads sequencedOptional
library_reads_sequenced

Total number of clones sequenced from the library

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library construction methodOptional
library_construction_method

Library construction method used for clone libraries

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library vectorOptional
library_vector

Cloning vector type(s) used in construction of libraries

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library screening strategyOptional
library_screening_strategy

Specific enrichment or screening methods applied before and/or after creating clone libraries in order to select a specific group of sequences

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pcr conditionsOptional
pcr_conditions

Description of reaction conditions and components for PCR in the form of 'initial denaturation:94degC_1.5min; annealing=...'

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pcr primersOptional
pcr_primers

PCR primers that were used to amplify the sequence of the targeted gene, locus or subfragment. This field should contain all the primers used for a single PCR reaction if multiple forward or reverse primers are present in a single PCR reaction. The primer sequence should be reported in uppercase letters

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adaptersOptional
adapters

Adapters provide priming sequences for both amplification and sequencing of the sample-library fragments. Both adapters should be reported; in uppercase letters

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Environmental information

date last rainOptional
date_last_rain

The date of the last time it rained

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sampling day weatherOptional
sampling_day_weather

The weather on the sampling day

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amount of lightOptional
amount_of_light

The unit of illuminance and luminous emittance, measuring luminous flux per unit area

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train lineOptional
train_line

The subway line name

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outside relative humidityOptional
outside_relative_humidity

The recorded outside relative humidity value at the time of sampling

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depthOptional
depth

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.

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building related

door area or sizeOptional
door_area_or_size

The size of the door

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visual mediaOptional
visual_media

The building visual media

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built structure settingOptional
built_structure_setting

The characterization of the location of the built structure as high or low human density

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built structure typeOptional
built_structure_type

A physical structure that is a body or assemblage of bodies in space to form a system capable of supporting loads

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exterior door countOptional
exterior_door_count

The number of exterior doors in the built structure

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design, construction, and operation documentsOptional
design_construction_and_operation_documents

The building design, construction and operation documents

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shading device conditionOptional
shading_device_condition

The physical condition of the shading device at the time of sampling

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occupancy documentationOptional
occupancy_documentation

The type of documentation of occupancy

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floor countOptional
floor_count

The number of floors in the building, including basements and mechanical penthouse

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shading device materialOptional
shading_device_material

The material the shading device is composed of

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built structure ageOptional
built_structure_age

The age of the built structure since construction

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hallway/corridor countOptional
hallwaycorridor_count

The total count of hallways and corridors in the built structure

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architectural structureOptional
architectural_structure

An architectural structure is a human-made, free-standing, immobile outdoor construction

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shading device typeOptional
shading_device_type

The type of shading device

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shading device locationOptional
shading_device_location

The location of the shading device in relation to the built structure

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drawingsOptional
drawings

The buildings architectural drawings; if design is chosen, indicate phase-conceptual, schematic, design development, and construction documents

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addressOptional
address

The street name and building number where the sampling occurred.

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room architectural elementsOptional
room_architectural_elements

The unique details and component parts that, together, form the architecture of a distinguishable space within a built structure

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aerospace structureOptional
aerospace_structure

Aerospace structures typically consist of thin plates with stiffeners for the external surfaces, bulkheads and frames to support the shape and fasteners such as welds, rivets, screws and bolts to hold the components together

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