黄土高原生态破坏因素的灰色关联聚类分析

The Grey-Correlation Cluster Analysis on the Influencing Factors of Ecological Damage and Its Economic Loss on Loess Plateau in Shaanxi

The ecological system on the area of Loess Plateau in Shaanxi is seriously damaged. It has resulted in a huge economic loss and made the area deteriorate into the vicious circle. In order to expplore the way of improving the environment of the area, this paper has analyzed 9 main influencing factors of ecological damage and its economic loss using the theorem of grey system and maximum trees in diagram and obtained 4 function degrees of destroying factors: the most intensive degree, the more intensive degree, the intensive degree and the medium degree. The paper also put forward the countermeasurcs to realize the harmonious development and good circle tranformation of the cco-cconomic system within the area: adjusting agricultural structure, controlling the population growth, conserving soil and water, limiting the scale and velocity of the capital constructions and so on.