middle and lower Yangtze Plain

E282390

alluvial plain geographical region plain

The middle and lower Yangtze Plain is a vast, fertile alluvial lowland in central-eastern China, characterized by dense river networks, extensive lakes, and some of the country’s most productive agricultural and densely populated regions.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (4)

Label	Occurrences
Jiangnan region	2
Jiangnan cultural sphere	1
Yangtze River cultural region	1
middle and lower Yangtze Plain canonical	1

Statements (51)

Predicate	Object
instanceOf	alluvial plain ⓘ geographical region ⓘ plain ⓘ
climateType	monsoon-influenced humid subtropical climate ⓘ
contains	Dongting Lake Plain ⓘ surface form: Dongting Lake region Jianghan Plain ⓘ Poyang Lake Plain ⓘ surface form: Poyang Lake region Yangtze River Delta ⓘ surface form: Taihu Lake region Yangtze River Delta ⓘ Dongting Lake Plain ⓘ surface form: lower Yangtze Plain middle reaches of the Yangtze River ⓘ surface form: middle Yangtze Plain
economicActivity	aquaculture ⓘ industry ⓘ intensive agriculture ⓘ river transport ⓘ
hasCharacteristic	alluvial lowland ⓘ dense river networks ⓘ extensive lakes ⓘ fertile soils ⓘ humid subtropical climate ⓘ low elevation ⓘ
hasSeason	cool mild winters ⓘ hot wet summers ⓘ
knownFor	dense population ⓘ freshwater fisheries ⓘ high agricultural productivity ⓘ lake-based transportation network ⓘ rice cultivation ⓘ
locatedIn	China ⓘ Central China ⓘ surface form: central China eastern China ⓘ
locatedInAdministrative	Anhui ⓘ surface form: Anhui Province Hubei Province ⓘ Hunan Province ⓘ Jiangsu ⓘ surface form: Jiangsu Province Jiangxi Province ⓘ Shanghai ⓘ Zhejiang Province ⓘ
majorLake	Chaohu Lake ⓘ Lake Dongting ⓘ surface form: Dongting Lake Hongze Lake ⓘ Poyang Lake ⓘ Lake Tai ⓘ surface form: Taihu Lake
majorRiver	Gan River ⓘ Han River (Wuhan) ⓘ surface form: Han River (Yangtze tributary) Huai River ⓘ Xiang River ⓘ Yangtze River ⓘ
partOf	East China Plain ⓘ Yangtze River basin ⓘ
traversedBy	Yangtze River ⓘ

How these facts were elicited

The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.

Instruction

You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10.

# Requirements
- If you don't know the subject at all, return an empty list.
- If the subject is not a named entity, return an empty list.
- Include at least one triple where predicate is "instanceOf".
- Do not get too wordy.
- Separate several objects into multiple triples with one object.

Input

Subject: middle and lower Yangtze Plain
Description of subject: The middle and lower Yangtze Plain is a vast, fertile alluvial lowland in central-eastern China, characterized by dense river networks, extensive lakes, and some of the country’s most productive agricultural and densely populated regions.

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

middle reaches of the Yangtze River → partOf → middle and lower Yangtze Plain ⓘ

Huizhou → partOf → middle and lower Yangtze Plain ⓘ

this entity surface form: Jiangnan cultural sphere

Jiangnan Arsenal → locatedIn → middle and lower Yangtze Plain ⓘ

this entity surface form: Jiangnan region

Ganzhou → historicallyPartOf → middle and lower Yangtze Plain ⓘ

this entity surface form: Jiangnan region

Yangtze River (Jiang) and Huai River (Huai) → formsBoundaryWith → middle and lower Yangtze Plain ⓘ

subject surface form: Huai River

this entity surface form: Yangtze River cultural region