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宜林地是个综合性的概念,它是地表某一地段包括地貌、气候、水文、土壤、植被等全部自然要素在内的综合体,并经常不断地受到人类及其它因素的影响。所以进行宜林地区划和立地生产潜力的正确评价,必须研究分析宜林地各自然地理要素相互作用、相互联系以及和人类之间物质迁移与能量转换过程,并从实际出发,使宜林地定性、一定量评价和它的生产方向、布局、结构紧密地结合起来,发挥其最佳的生产潜力和生态效益。
Forest land is a comprehensive concept. It is a complex of all the natural elements in a certain area of the earth surface, including geomorphology, climate, hydrology, soil and vegetation, and is often constantly influenced by human beings and other factors. Therefore, the correct appraisal of the potential of regionalization and on-site production of Yilin must be studied and analyzed on the interaction and interlinkages of the physical geographical elements of Yilin and on the process of material transfer and energy conversion with human beings. From the reality, Yilin should be qualitatively and certainly The amount of evaluation and its production direction, layout, structure closely together, to play its best production potential and ecological benefits.