【摘要】 郁闭度是重要的森林调查因子之一,在森林经营与生态系统管理中具有重要作用。但是,郁闭度的概念模糊、测定方法不完善,制约了郁闭度的调查与应用。文中探讨了郁闭度的内涵,提出了垂直郁闭度与点郁闭度的概念,系统总结了国内外有关郁闭度的调查方法与测定仪器,以期为郁闭度在林业生产和研究中的合理应用与准确测定提供参考。更多还原

【Abstract】 Forest canopy closure,which is an important forest inventory factor,plays an important role in forest management and ecosystem management.But surveying and application of canopy closure are restricted because of obscure concept and imperfectness of measuring method.This paper discusses the connotation of canopy closure,puts forward vertical canopy closure and point canopy closure,systemically summarizes the measuring method and instrument of canopy closure at home and abroad,in order to provide rational application and accurate measurement of canopy closure in forestry production and research.更多还原