Terrain:
The topography of the three northeastern provinces is dominated by plains and mountains. Changbai Mountain, Daxing 'anling Mountain and Xiaoxing 'anling Mountain are important natural barriers of northeast ecosystem. Sanjiang Plain, Songnen Plain and Liaohe Plain have fertile soil and deep soil layers. Songhua River, East Liaohe River, West Liaohe River, Yalu River and other major rivers originate from here and have great economic and ecological value.
2. The five northwestern provinces refer to Shaanxi Province, Gansu Province, Qinghai Province, Ningxia Hui Autonomous Region and Xinjiang Uygur Autonomous Region.
Terrain:
The five northwestern provinces are dominated by plateaus, plains and basins, including the Loess Plateau, Qinghai-Tibet Plateau, Tarim Basin, Junggar Basin, Qaidam Basin and Hexi Plain. Major cities: Liangzhou, Jincheng, Shazhou, Qin Zhou, Suzhou, Ganzhou, Urumqi, Kashgar, Yinchuan, Xining, Shizuishan and Karamay.
Natural landscape (from east to west): cultivated land-grassland-desert grassland-desert-plateau. Below the 400 mm precipitation line, the Gobi desert plateau is dominant.
Extended data:
Resources of three northeastern provinces
The three northeastern provinces are rich in products, which are important timber and mineral production bases in China and rich in wildlife resources. The forestland area here is 38.75 million hectares, accounting for 14.7% of the whole country, and the forest coverage rate is 39.6%, which is much higher than the national 16.55%.
The reserves of oil shale, iron, boron, magnesite, diamond, talc, jade and solvent limestone all rank first in China, and Liaohe Oilfield is the third largest oil and gas field in China, with oil and natural gas reserves accounting for 15% and 10% respectively. Northeast Tiger, Sable, Red-crowned Crane, Sika Deer, Salmon, Black Bear, Flying Dragon, Hericium erinaceus, Ginseng, Astragalus, Pine Ear and so on are well-known at home and abroad.
Northeast China is the most oil-producing area in China. The main oil fields are Daqing, Jilin and Liaohe. Daqing Oilfield is the largest crude oil supply base in China at present.
The famous big coal mines are Fushun, Jixi and Hegang. The famous iron mines in China are Anshan and Benxi in Liaoning.
References:
Baidu encyclopedia-three northeastern provinces
References:
Baidu Encyclopedia-Five Provinces in Northwest China