---
id: "nalt_id"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["agriculture", "science"]
langs: ["common"]
quality: 90
url: "https://registry.apicrafter.io/datatype/nalt_id"
---

# NAL Agricultural Thesaurus (NALT) concept ID (`nalt_id`)

> **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.

Numeric identifier of a concept in the NAL Agricultural Thesaurus of the US National Agricultural Library, an English and Spanish vocabulary of agriculture, food, nutrition and related sciences. Appended to https://lod.nal.usda.gov/nalt/ it gives the concept URI.

- Personal data (PII): no
- Categories: Agriculture, livestock and food (agriculture), Scientific (science)
- Countries: global
- Languages: Common to most languages (common)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^[1-9]\d{0,7}$
```

## Examples

- `8381` — oxygen; Wikidata example
- `36163` — electric motor; Wikidata example
- `c_8381` (invalid example) — AGROVOC-style prefix; see agrovoc_id

## Mappings

- wikidata: `P2004`

## Translations

- ru: Идентификатор понятия тезауруса NALT: Числовой идентификатор понятия в сельскохозяйственном тезаурусе Национальной сельскохозяйственной библиотеки США (NALT).

## Sources

- doc: <https://lod.nal.usda.gov/>
- doc: <https://agclass.nal.usda.gov/>
- wikidata: <https://www.wikidata.org/wiki/Property:P2004>

## Quality

Score 90/100. Missing: detector coverage.

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