Studies on Sustainable Management of Local Resouces

在西爪哇，在万隆和马加拉亚及其周围有大型纺织厂。这造成了许多影响生态系统和社会经济环境的问题。本研究的目的是分析和评价一个利用传统生态系统的农林牧复合系统，分析群落结构理论和资源利用与管理技术，提出农工共存群落的城市化问题。结果如下：水稻hyv在万隆平原地区有增产作用，但在高海拔雨林地区，hyv效益小，栽培难度大。因此，热带蔬菜要么是F1杂交品种，要么是使用过量化肥和农药引进的开放品种。在柑橘水系中，河流和农业用水中重金属和硝酸盐浓度的恶化不仅出现在工厂废水中，也出现在生活废水中，因此必须采取措施净化和保证饮用水。基于硫同位素对水资源和水质进行了评价。因此，地下水补给主要来自低空水源，其中一些水源近年来正在恶化。1998年以来，由于政治和经济危机，人口从城镇和村庄向林地的迁移日益加快，为涵养水资源而砍伐林地用于种植作物，土壤侵蚀等环境恶化成为现实。自来水系统利用山泉，采用氯乙烯管构造。提出了利用环境压力较大的牛粪建立沼气装置的设想。

In West Java, large scale textile faxtories exist in and around Bandung and Majalaya. This is causing a lot of problems affecting ecosystems and social and economic environments. Purpose of the study are to analyze and evaluate a compound system of agriculture, forestry and livestock rising that usestraditional ecosystem, to analyze the structural theories of communities and techniques of using and managing resources, and to present the problems of urbanization in the communities where agriculture and industry coexist. Results are as follows. HYVs of rice have increased yield at Bandung plain area, however, at high altitude rainforest region, the benefit of HYVs is much small and cultivation is more difficult. So that, tropical vegetables were either F1 hybrid or open varieties introduced with use of excess amount of chemical fertilizers and pesticides. In Citrum watersystem, deterioration of water quality in river and agriculture water in terms of heavy metals and nitrate concentration appears to be not only to factory effluents and also to domestic waste water, therefore, it is essential to take measures to purify and assure the drinking water. An attempt to assess the water resources and quality was done, basedon Sulfur isotopes. As a result, groundwater is recharged mainly with the water of low altitude origin, some of which is being deteriorated in recent years. Since 1998, population migration from town and village to forest land made increasingly progress acoording to political and economic crisis, and forest lands to conserve water resources were observed to be cut for crop farming, and environmental deterioration such as soil erosion was actualized. Tap water system used a spring in the mountain was constructed with using a vinyle chloride pipe. Establishment of Biogas unit using cow dung, which comes to cause of environmental stress, was proposed.