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《MOUNTAIN RESEARCH》 1996-01
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LAND SUCCESSION ON THE VERTICAL NATURAL ZONES OF QINLING-BASHAN MOUNTATINOUS AREA IN SHAANXI PROVINCE

Liu Yinhan;Yang Donglang;Liu Yansui;Yue Dspeng (Department of Geography,Shaanxi Narmal University Xian 710062)  
Land succession is one the advanced theorier in land research. Based on the map of land types made by application of remote sensing information,the in tension and resarch contents of land succession are discuss and the land succnession history of Qinghai-Bashan mountainous area in Shaanxi Province is analysed. After classifying lanel types,the main representative land types are selected and then: mitate the land succession patterns of different vertical zones on the northern and southern slope of Qinling Mountains and the northern slope of Bashan Mountains are imitated by computer. It conclueles that land succession is a selg-organigation process of land structure and function and is also the results of matter removing and energy transforming within land,which is sustained by certain geographical proceees. According to the source of its action power,land succession can be divided into 2 sorts: natural succession process and artificial succession process.Natural succession is a selg-adjusting,selg-sustaining and selg-developing process,usually expressing as an irreversible and gradual process with slow successive velocity and over a long timespan. Oh the contrary,artificisl succession process refers to that human economic acitivity participates in the exchange of matter and energy of land system,acceleratins of delaying the natural succession process. This kind of succession can usually be divided into 2 types: positive direction and converse direction successions. It evolves guite rapidly with shorter successive series. Moreover,artificial succession varies with differing natural conditions,especially with productivity level and human history in any specific area.
【Fund】: 国家自然科学基金
【CateGory Index】: S159
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