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大量的历史事实证明,围场人民为了生存和繁衍,违背自然规律和经济规律的活动,使生态系统失去了平衡。相应地也带来了各种生态灾难,同时也制约了山区经济的发展和人民生活水平的提高。从历史的教训中,也使人们逐渐地认识到,生态平衡在山区经济建设中占有重要的战略地位。保持水土,恢复和促进生态系统的良性循环,是围场经济建设的生命线。一、全县的生态现状围场县过去在自然资源开发过程中,忽视了自然界多种成分相互联系的规律,开围至今仅百余年的时间,截止到1980年,全县水土流失面积已达4,216平方公里,是全县总面积的45.7%。水土流失、生态失调,是山区人民贫穷落后的根源。据分析,围场县近期,破坏生态平衡,造成
A large number of historical facts have proved that the yard people lost their balance in order to survive and multiply, violating the laws of nature and the laws of economics. Correspondingly, various ecological disasters have also been brought about, which have also restricted the development of mountainous areas and the improvement of people’s living standards. From the historical lesson, people are also gradually realized that ecological balance occupies an important strategic position in the economic construction of mountain areas. Maintaining soil and water and restoring and promoting the virtuous circle of ecosystems are the lifeline of the paddock economic construction. I. Ecological Status of the County In the past, during the development of natural resources, Weichang County ignored the laws that many kinds of ingredients in the nature are interrelated with each other so far. Only a hundred years have passed since the opening up. By 1980, the area of soil and water loss in the entire county has reached 4,216 square kilometers, is the county’s total area of 45.7%. Soil erosion and ecological disorders are the root causes of the poverty and backwardness of the people in mountainous areas. According to analysis, Yard County recently destroyed the ecological balance caused