Effects of the Frozen Rain and Snow Disaster to the Litterfall of Evergreen and Deciduous Broadleaved Mixed Forest in Yangdongshan Shierdushui Nature Reserve of Guangdong Aboveground Biomass of a Naturaly-regenerated Schima superba Community at Xiaokeng of the Nanling Mountain Effects of the Frozen Rain and Snow Disaster on the Dominant Species of Castanopsis Forests in Yangdongshan Shierdushui Provincial Nature Reserve of Guangdong Species and fauna of Argidae (Hymenoptera) in Nanling Mountains, China Floristic Characteristics of Forest Communities, Damaged by Ice Disaster, in the Middle Section of Nanling Mountain, China and the significance in Conservation THE FLORISTIC GEOGRAPHY OF NANLING MOUNTAIN RANGE, CHINA──I. FLORISTIC COMPOSITION AND CHARACTERISTICS Evidence for the Younger Dryas Event in the Eastern Part of Nanling Region Aboveground biomass of natural Castanopsis fissa community at the Xiaokeng of NanLing Mountain, Southern China Aboveground biomass of naturalCastanopsis carlesii-Schima superba community in Xiaokeng of Nanling Mountains, South China. Characteristics of heat resource in mountainous region of northern Guangdong, South China based on three-dimensional climate observation. Sprouting Characteristics of Dominant Species in Evergreen Broad-Leaved Forests Damaged by Frozen and Snow Disaster in Nanling Mountain