---
id: "dwc_basis_of_record"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["science"]
langs: ["common"]
quality: 75
url: "https://registry.apicrafter.io/datatype/dwc_basis_of_record"
---

# Darwin Core basis of record (`dwc_basis_of_record`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Value of the Darwin Core term basisOfRecord, the kind of evidence behind a biodiversity occurrence record: the name of a Darwin Core class such as PreservedSpecimen, FossilSpecimen, LivingSpecimen, MaterialSample, HumanObservation, MachineObservation or Occurrence. GBIF downloads write the same values in upper case with underscores (PRESERVED_SPECIMEN).

- Parent datatype: `category`
- Personal data (PII): no
- Categories: Scientific (science)
- Countries: global
- Languages: Common to most languages (common)
- Classification: categorical

## Detection

Regular expression (Python `re`):

```
^(?:PreservedSpecimen|FossilSpecimen|LivingSpecimen|MaterialSample|MaterialEntity|MaterialCitation|HumanObservation|MachineObservation|Occurrence|Event|Taxon|PRESERVED_SPECIMEN|FOSSIL_SPECIMEN|LIVING_SPECIMEN|MATERIAL_SAMPLE|MATERIAL_CITATION|HUMAN_OBSERVATION|MACHINE_OBSERVATION|OBSERVATION|OCCURRENCE|LITERATURE|UNKNOWN)$
```

## Examples

- `PreservedSpecimen` — Herbarium specimen
- `HumanObservation` — Observation by a person
- `PRESERVED_SPECIMEN` — GBIF form
- `Specimen` (invalid example)

## Sources

- doc: <https://dwc.tdwg.org/terms/>
- wikipedia: <https://en.wikipedia.org/wiki/Darwin_Core>

## Quality

Score 75/100. Missing: mapping (Wikidata, Schema.org, ...), translation, detector coverage.

JSON: <https://registry.apicrafter.io/api/v1/datatypes/dwc_basis_of_record.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/any/science/dwc_basis_of_record.yaml>