ICS79.040B68DB52贵州省地方标准DB52/T832—2013硬阔单株立木地上二元生物量表Thebinarybiomasstableoftheindividual-treeofhardwoodspecies2013-06-09发布2013-07-09实施贵州省质量技术监督局发布DB52/T832—2013I目次前言................................................................................II1范围..............................................................................12术语与定义........................................................................13单株立木地上二元生物量模型及表....................................................24使用方法..........................................................................2DB52/T832—2013II前言本标准按照GB/T1.1—2009《标准化工作导则第1部分:标准的结构和编写》给出的规则起草。请注意:本文件的某些内容可能涉及专利,本文件的发布机构不承担识别这些专利的责任。本标准由贵州省林业厅提出并归口。本标准起草单位:贵州省森林资源管理站、贵州省林业调查规划院。本标准起草人:夏忠胜、朱松、罗洪章、尹晓阳、李明刚、顾永顺、赵斌、曹小飞、向琼。DB52/T832—20131硬阔单株立木地上二元生物量表1范围本标准规定了贵州省硬阔树种(组)单株立木地上二元生物量模型及表、使用方法。本标准主要适用于贵州省壳斗科栎属、栲属、青冈属、水青冈属、栗属等常见硬阔树种(组)。2术语与定义2.1硬阔树种(组)hardwoodspecies包括壳斗科栎属、栲属、青冈属、水青冈属、栗属等硬阔树种(组)。2.2胸径diameteratbreastheight从根颈起向上1.3m处树干的带皮直径。2.3径阶diameterclass林木胸径的整化,即把一定范围内的胸径用该范围的中间值来表示。2.4树高treeheight从根颈起向上到树梢的树干全部高度。2.5树高阶treeheightclass林木树高的整化,即把一定范围内的树高用该范围的中间值来表示。2.6单株立木地上生物量biomassoftheabovegroundpartoftheindividual-tree指单株立木地上(含树干、树皮、树枝、树叶)干物质总量。2.7二元生物量表binarybiomasstableDB52/T832—20132指依据单株立木生物量与胸径、树高两个因子间的关系而编制的生物量计量数表。3单株立木地上二元生物量模型及表3.1硬阔单株立木地上二元生物量模型W=0.14218×D2.20396×H0.25420.................................(1)式中:W—生物量,单位为千克(kg);D—胸径,单位为厘米(cm);H—树高,单位为米(m)。3.2硬阔单株立木地上二元生物量表依据模型展开的硬阔单株立木地上二元生物量见表1。4使用方法4.1径阶划分径阶按2cm整化,如5.0cm~6.9cm为6径阶。4.2树高阶划分树高10m以下按1m级距分级,如2.5m~3.4m为3树高阶;10m以上按2m级距分级,如11.0m~12.9m为12树高阶,但9.5m~10.9m为10树高阶。4.3单株立木地上二元生物量计算单株立木地上二元生物量将实测胸径、树高带入模型直接计算,或将实测胸径、树高整化后查表1。DB52/T832—20133表1硬阔单株立木地上二元生物量表A/年46810121416182022242628303234363840D/cmPV/%645.7536.9531.7528.2225.6423.6422.0320.7019.5818.6217.7917.05839.3231.7527.2824.2522.0320.3118.9317.7916.8316.0015.2914.6514.091028.2224.2521.5619.5818.0616.8315.8214.9614.2313.5913.0312.5312.081222.0319.5817.7916.4015.2914.3713.5912.9212.3411.8311.3810.9710.611418.0616.4015.1214.0913.2412.5311.9111.3810.9110.4910.129.789.471615.2914.0913.1312.3411.6811.1010.6110.179.789.439.118.838.571813.2412.3411.6010.9710.449.979.569.198.868.578.308.057.822011.6810.9710.389.879.439.048.698.388.107.857.617.407.202210.449.879.398.978.608.277.977.717.467.247.046.85249.438.978.578.217.907.617.367.136.926.726.54268.608.217.877.577.307.066.836.636.446.27287.907.577.287.026.796.576.386.206.03307.307.026.776.546.346.155.985.82326.796.546.326.135.945.785.62346.346.135.935.765.595.45365.945.765.595.435.28385.595.435.285.14405.285.145.00425.004.87_________________________________DB52/T832-2013