“用材林保护地役权”是在用材林上设置的一种保护地役权。设定保护地役权后,采伐木材及其它森林产品要永久地受相关保护价值的限制。该制度是资金来源包括国家、地方政府、非营利性组织以及企业。其中,为了保证保护目的的永久实现,可持续林业标准应当是动态并不断更新的。 “Timber forest protection easements ” is a kind of protection easement set on timber forests. After the protection of easements is set, harvesting of timber and other forest products is permanently limited by the value of the relevant protection. The system is funded from countries, local governments, non-profit organizations and businesses. Among them, in order to ensure the permanent realization of the goal of protection, the sustainable forestry standards should be dynamic and constantly updated.