Acta Geographica Sinica ›› 1985, Vol. 40 ›› Issue (2): 119-130.doi: 10.11821/xb198502003

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LAND TYPES AND THEIR ASSESSMENT ON THE LOESS PLATEAU OF NORTHERN SHAANXI PROVINCE

Liu Yinhan   

  1. Siasnxi formal Univeresity
  • Online:1985-04-15 Published:1985-04-15

Abstract: This article discusses the charactristics and structure of the land types on the Loess plateau of northern Shaanxi pronince, and points out the utilization trend of each land type. It is composed of four sections:1. The land types in this area are maily determined by meso or micro-landforms,including valleys, loess or rock mountains, smcl lands, loess "mao", "liang", "yuan", etc. as well as by human impact upon physical environment.2. A hierarchical scheme for land classification: is suggested Land is chiefly classified by two categories. 10 first level land types are dilimited and identified by macro-landforms. 68 second-level types are characterized by homogeneous meso-or mi-cro-landfonn, soil subtype, vegetation subtype or formation.3. Evolution and structure of land types: are discussed. There are 5 patterns of land type evolution in this region: loess "yuan", loess "liang", loess "mao", loess or rock mountains and sand banks types. Again, there are four types of land structure: ladder-like, recurrent, dendritic and concentric.4. Finally, features and sutability eavaluation of 10 first-level land types are bri-eflv discussed.