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The Loess Plateau is a plateau in north-central China formed of loess, a clastic silt-like sediment formed by the accumulation of wind-blown dust. It is located southeast of the Gobi Desert and is surrounded by the Yellow River. It includes parts of the Chinese provinces of Qinghai, Gansu, Shaanxi and Shanxi. [4]
The Central China Loess Plateau Mixed Forests ecoregion (WWF ID: PA0411) covers an elongated plateau across north-central China, characterized by accumulated soils of wind-blown dust known as loess and glacial till. The yellowish soil imparts its color to the Yellow River and Yellow Sea downstream.
Soils underlain by loess tend to be excessively drained. The fine grains weather rapidly due to their large surface area, making soils derived from loess rich. The fertility of loess soils is due largely to a high cation exchange capacity (the ability of the soil to retain nutrients) and porosity (the air-filled space in the soil). The ...
The plateau is 1,000–1,500m in elevation and is filled with loess, a yellowish, loose soil that travels easily in the wind. Eroded loess silt gives the Yellow River its color and name. The Loess Plateau is bound to the east by the Luliang Mountain of Shanxi, which has a narrow basin running north to south along the Fen River.
China's increasing levels of pollution have also weakened the soil, causing it to be unusable in many areas. [14] Research of reforested areas of the Loess Plateau has found that the combination of exotic tree species and high-density planting could worsen water shortages. The forests increase the loss of soil moisture content when compared to ...
The desertification of China's interior is inferred to have started 23 million years ago (Early Miocene) due to the formation of loess deposits from this time until 6.2 million years ago. [ 13 ] The glacial and inter-glacial Pleistocene climatic cycles are also presented in the loess deposites.
Chinese scientists have discovered a "brand-new method" of producing large quantities of water using lunar soil brought back from a 2020 expedition, state broadcaster CCTV reported on Thursday. In ...
High Asia has been identified as a major generator of silt, which accumulated to form the fertile soils of north India and Bangladesh, and the loess of central Asia and north China. [5] Loess has long been thought to be absent or rare in deserts lacking nearby mountains (Sahara, Australia). [35]