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贵州省现有杉木人工纯林111.71万hm2,马尾松人工纯林69.71万hm2,合计约占全省乔木林地面积的1/3,是全省人工林面积最大的2个树种,构成了贵州省人工林的主体。本研究从林木分级与标记、间伐强度、生长阶段措施设计等3个方面探索人工林近自然化经营规划设计技术。对于生长阶段措施设计我们以林分树高变化为时间参照来确定马尾松、杉木人工林的各个生长发育阶段,再针对不同的生长发育阶段设计相应的营林措施。
There are 1,171,100 hm2 of pure cedar artificial forests and 697,100 hm2 of artificial masson pine forests in Guizhou Province, accounting for about 1/3 of the total area of arbor forest in Guizhou Province. It is the largest tree species of planted forests in Guizhou Province, constituting Guizhou Province The main body of plantation. In this study, we explored the near-natural management planning and design technology of plantation from three aspects: tree classification and marking, thinning intensity and design of growth stage. For the design of growth stage measures, we used the tree height change as the time reference to determine the growth and development stages of Pinus massoniana and Cunninghamia lanceolata plantations, and then designed the corresponding silvicultural measures for different stages of growth and development.