gptkbp:instanceOf
|
gptkb:standard
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gptkbp:area
|
about 180,000 square kilometers
|
gptkbp:borderedBy
|
gptkb:Greater_Khingan_Range
gptkb:Changbai_Mountains
gptkb:Lesser_Khingan_Range
gptkb:Liaohe_Plain
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gptkbp:climate
|
temperate continental
|
gptkbp:contains
|
gptkb:wetlands
grasslands
marshes
|
gptkbp:ecosystem
|
important for migratory birds
|
gptkbp:elevation
|
generally 100-200 meters above sea level
|
gptkbp:historicalRegion
|
gptkb:Manchuria
|
https://www.w3.org/2000/01/rdf-schema#label
|
Songnen Plain
|
gptkbp:knownFor
|
agriculture
fertile soil
|
gptkbp:locatedIn
|
gptkb:China
gptkb:Northeast_China
|
gptkbp:mainCrops
|
gptkb:rice
gptkb:wheat
corn
soybean
|
gptkbp:mainRiver
|
gptkb:Nen_River
gptkb:Songhua_River
|
gptkbp:majorCity
|
gptkb:Harbin
gptkb:Baicheng
gptkb:Daqing
gptkb:Qiqihar
gptkb:Songyuan
gptkb:Suihua
|
gptkbp:namedAfter
|
gptkb:Nen_River
gptkb:Songhua_River
|
gptkbp:partOf
|
gptkb:Heilongjiang_Province
gptkb:Jilin_Province
|
gptkbp:threats
|
wetland loss
desertification
salinization
|
gptkbp:bfsParent
|
gptkb:Nen_River
|
gptkbp:bfsLayer
|
6
|