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研究珠江流域南亚热带季风气候区湿地松(Pinus elliottii)低效防护林采取异龄混交荷木(Schi ma su-perba)、大叶栎(Castanopsis fissa)改造后的林分结构、生物量、凋落物、土壤理化性质、林地涵养水源和固土功能、林地土壤侵蚀量和林分生长量等的变化规律及其影响作用,全面评价湿地松×荷木(大叶栎)异龄混交林的综合效益。
This paper studied the Pinus elliottii inefficient shelterbelt in the subtropical monsoon climate zone of the Pearl River Basin in China. The stand structure, biomass, litter, Soil physical and chemical properties, water conservation and function of forest land, soil erosion and stand growth of forestland, and their effects on the comprehensive evaluation of the comprehensive benefits of mixed wetland and mixed-stand hybrids.