在发展中国家,农民通常依靠农田以外的供给来满足家庭对饲料、燃料和其它补充物资的需求,由于近年来这些普通的共享资源严重减少,而生产和管理这些资源的传统经营体系承受持久的压力,最近,人们越来越怀疑私有化经营或国家管理这些资源的政策和办法;但集体经营也未取得多大成功,这主要是因为人们并没有完全理解存在于经营体系中的自然、文化、经济和机制构成之间的复杂的相互作用与影响。 In developing countries, farmers often rely on supplies outside farmland to meet family needs for feed, fuel and other supplements, and as these common shared resources have been severely reduced in recent years, the traditional operating system for producing and managing these resources has sustained The pressure, more recently, has been cast on suspicion of privatization or national policies and approaches to manage these resources; however, the collective success of the operation has not been achieved, mainly because people do not fully understand the natural, cultural, The complex interactions and influences between economies and mechanisms.