【作者】 肖泽鑫； 彭剑华； 詹潮安； 赖焕武； 罗超； 邹桂逢； 谢少鸿；

【Author】 XIAO Ze-xin;PENG Jian-hua;ZHAN Chao-an;LAI Huan-wu;LUO Chao;ZOU Gui-feng;XIE Shao-hong;Shantou Forestry Research Institute;Shantou Forestry Bureau;

【机构】 汕头市林业科学研究所； 汕头市林业局种苗站；

【摘要】 应用样圆标准地法在汕头市潮阳区西环山森林公园的台湾相思人工林中选优,按预定要求对树高、胸径、冠形等10个因子进行测定。分析结果表明,样圆较合理的调查半径在15~20m,胸径、材积、尖削度、通直度、冠幅、侧枝粗则对台湾相思选优具有较大的贡献量。计算得出综合评分入选最低分数线为63.1分,5株预选树最终有4株确定为优树,选择率为0.7%。更多还原

【Abstract】 Potential plus-trees have been classified in plantation of Acacia confusa in Xihuanshan Forest Park in Chaoyang district of Shantou city,based on the the method of small sample plot.The main indices recorded in surveying included ten factors such as tree height,diameter in breast height,crown and so on.The results showed that the suitable range of investigation was 15~20 meters,the contribution quantity of that including diameter in breast height,stem volume,tapering,stem straightness,crown width and lateral branches to plus-trees selection of Acacia confusa was larger than other factors.The calculated results showed that the lowest borderline of plus-trees selection was 63.1 point,4potential plus-trees were selected as plus-trees,and selection rate was 0.7%.更多还原