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页数:3页
时间:2020-01-14
《主要树种的材积表》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、1主要树种的材积表1.1樟科的材积表二元材积公式V=0.000059599784*D1.8564005*H0.98056206树高曲线经验方程H=-0.0068D2+0.5858D+5.0681径阶D(cm)条件平均高(m)材积(m3)68.30.013389.30.02531010.20.04191211.10.06371411.90.09101612.70.12391813.40.16262014.10.20712214.70.25762415.20.31382615.70.37562816.10.44273016.
2、50.51493216.90.59183417.10.67293617.30.75763817.50.84544017.60.93564217.71.02754417.71.12031.2柏木的材积表二元材积公式V=0.000057173591*D1.8813305*HO.99568845树高曲线经验方程H=-0.0081D2+0.6096D+3.7847径阶D(cm)条件平均高(m)材积(m3)88.60.0244109.80.04221211.00.06681412.20.09891613.40.13971814.6
3、0.18992015.80.25052217.00.32242418.20.40642619.40.50352820.60.61453021.80.74031.3柳杉的材积表二元材积公式V=0.000056280669*D1.82910409*H1.05195643树高曲线经验方程H=0.014D2+0.1641D+4.2598径阶D(cm)条件平均高(m)材积(m3)86.50.0180107.30.0307128.20.0488149.30.07341610.50.10611811.70.14862013.10.20
4、272214.60.27042416.30.35402618.00.45582819.80.57821.4水杉的材积表二元材积公式V=0.000068320*D1.74136*H1.11535(借用落叶松材积公式)树高曲线经验方程H=0.0047D2+0.2385D+5.8279径阶D(cm)条件平均高(m)材积(m3)67.30.014287.80.0251108.30.0397128.70.0581149.20.0807169.70.10791810.20.13982010.70.17702211.20.219524
5、11.70.26792612.20.32232812.60.38313013.10.45063213.60.52513414.10.60683614.60.69623815.10.79341.5桤木的材积表二元材积公式V=0.000048941191*D2.0172708*H0.88580889(借用桦木材积公式)树高曲线经验方程H=0.005D2+0.2228D+14.443径阶D(cm)条件平均高(m)材积(m3)616.00.0089816.50.02051017.20.03921217.80.06651418.5
6、0.10401619.30.15321820.10.21572020.90.29292221.80.38622422.70.49722623.60.62732824.60.77783025.60.95033226.71.14621.6硬阔的材积表二元材积公式V=0.000052750716*D1.945032*H0.93885330树高曲线经验方程H=-0.116D2+0.8242D+2.3308径阶D(cm)条件平均高(m)材积(m3)66.60.010188.00.0212109.40.03811210.80.062
7、01412.20.09401613.70.13501815.10.18622016.50.24872217.90.32342419.30.41142620.70.51382822.20.6314
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