Class A river system

river classification in Japan
Thing specialised_classification_scheme Q2908753
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Class A river system

Summary

Class A river system is a specialised classification scheme[1]. It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • Class A river system is in the country of Japan[3].
  • Class A river system's instance of is recorded as specialised classification scheme[4].
  • Class A river system's main regulatory text is recorded as River Act[5].
  • Class A river system's maintained by is recorded as Minister of Land, Infrastructure, Transport and Tourism[6].
  • Class A river system is a type of drainage system[7].
  • Class A river system is a type of drainage basin[8].
  • Class A river system's topic's main category is recorded as Category:Class A river system[9].
  • Class A river system's native label is recorded as {'lang': 'ja', 'text': '一級水系'}[10].
  • Class A river system's name in kana is recorded as いっきゅうすいけい[11].
  • Class A river system's contains is recorded as Class A river[12].
  • Class A river system's items classified is recorded as watercourse[13].

Body

Definition and Type

Class A river system's instance of is recorded as specialised classification scheme[4]. Recorded subclass of include drainage system[7] and drainage basin[8].

Why It Matters

Class A river system has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2] It is known by 3 alternative names across languages and contexts.[14]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. wikidata.org.
  2. [14] . Wikidata aliases. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Class A river system. Retrieved May 3, 2026, from https://4ort.xyz/entity/class-a-river-system
MLA “Class A river system.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/class-a-river-system.
BibTeX @misc{4ortxyz_class-a-river-system_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Class A river system}}, year = {2026}, url = {https://4ort.xyz/entity/class-a-river-system}, note = {Accessed: 2026-05-03}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 9d ago · RVA2869 · 2026-06-27 view diff on Wikidata ↗
    Aliases
    Subclass of
    Maintained by Minister of Land, Infrastructure, Transport and Tourism
    Instance of
    + 8 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-references:1||1|1 */ [[Property:P910]]: [[Q9539515]], Cleanup: remove wikimedia refs ([[User:Difool/WikidataCleanup]])"
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