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广西南宁木荷人工林生长规律研究
The Growth Rhythm of Schima superba Plantation in Nanning, Guxangxi
【摘要】 以广西南宁市国有高峰林场48 a生木荷Schima superba人工林为研究对象,探讨其生长规律、生长模型。结果表明:木荷人工林平均胸径为20.68 cm,胸径生长速生期为0~12 a,胸高形数为0.48~3.33,符合培育大径材要求,胸径最优生长模型为威布尔(Wei bull)模型;平均树高为23.54 m,树高生长速生期为0~14 a,树高生长模型为二次曲线(Quadratic)模型;平均材积为0.359 8 m3,材积生长模型为威布尔(Wei bull)模型。
【Abstract】 Based on the investigation on 48-year-old Schima superba plantation in Gaofeng state-owned forset farm in Nanning, Guangxi, the growth regularity and growth model were studied. The results showed that the average DBH of S. superba plantation was 20.68 cm, the fast growing periods for DBH was from 0 to 12 years, the breast-height form factors of S. superba trees was 0.48~3.33, qualifing for cultivation requirements of big-diamer trees. The optimal growth models for DBH are Wei bull equation. The average tree height was 23.54 m, the fast growing periods for tree height was 0 to 14 years, The optimal growth models for tree height is Quadratic equation. The average volume was 0.3598 m3,and the volume growht trend fits the Wei bull equation.
- 【文献出处】 林业与环境科学 ,Forestry and Environmental Science , 编辑部邮箱 ,2020年03期
- 【分类号】S792.99
- 【被引频次】7
- 【下载频次】219