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在党的十一届三中全会的精神鼓舞下,西北黄土高原治理问题,经过反复热烈的研讨,在认识上比较明确起来和趋向一致。这就是,要改变黄土高原自然面貌,实现农业现代化,基本前提是恢复生态平衡,建立一个合理的高效的农业生态结构。在陆地生态系统中,森林生态系统则起着调控生态环境的巨大作用,这一点已为科学所证实,得到普遍的公认。所以在黄土高原的治理中,恢复和建立森林植被,应得到极大的重视。但在黄土高原的自然条件下,建立什么样类型和结构的森林植被,则是一
Inspired by the spirit of the Third Plenary Session of the Eleventh Central Committee of the Communist Party of China, the governance of the Northwest Loess Plateau has been more and more clear and consistent in its understanding through repeated vigorous discussions. This means that to change the natural landscape of the Loess Plateau and realize agricultural modernization, the basic premise is to restore the ecological balance and establish a reasonable and efficient agricultural ecological structure. In the terrestrial ecosystem, the forest ecosystem plays a great role in regulating the ecological environment, which has been confirmed by science and has been universally acknowledged. Therefore, in the management of the Loess Plateau, restoration and establishment of forest vegetation should receive great attention. However, in the natural conditions of the Loess Plateau, what type of forest structure to build and the structure of vegetation, it is a