The sustainable development system of the state-owned forest area is mainly coupled by economic subsystem, ecological subsystem and social subsystem.
国有林区可持续发展系统是由经济子系统、生态子系统和社会子系统动态耦合而成的。
参考来源 - 国有林区经济生态社会系统协同发展机理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The World Heritage area takes up a area of 10747 mu, the wildlife area of the Yakushima is 1219 mu and the forest ecological reserve is 14600 mu, among which 96% is state-owned land, 4% is private.
世界遗产区占地10747亩，屋久岛野生保护区占地1219亩，森林生态区占地14600亩，其中96%是国有土地，4%是私有土地。
The abundance of the poverty of a mountainous area masses and state-owned forest resource made sharp contrast, its already became commonweal forest the society of management restricts an element.
山区群众的贫困与国有森林资源的丰富构成了强烈的反差，其已成为公益林经营治理的社会制约因素。
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