本文是广西森林生态定位研究工作的一部分,旨在研究、弄清不同森林凋落物的数量和质量、组成和动态及其与森林组成、树种特性、年龄结构、空间结构、生长状况及环境因子间的相互关系,为分析森林群落的生产力、研究森林群落的养分循环和制定营林措施提供理论依据。一、自然环境和样地概况研究工作在广西龙胜、岑溪、宜山三个森林生态定位站进行(表1)。研究的森林类型 This paper is a part of the research on the ecological niche of forest in Guangxi, and aims to study and clarify the quantity, quality, composition and dynamics of litter in different forest and its relationship with the composition of the forest, species characteristics, age structure, spatial structure, growth status and environmental factors , Which provides a theoretical basis for analyzing the productivity of forest communities, studying the nutrient cycle of forest communities and establishing measures for forest management. First, the natural environment and plots Overview research work in Longsheng, Cenxi, Yishan three forest ecological positioning station (Table 1). The type of forest studied