DB52T 765-2012 云南松单株立木地上二元生物量表 10页

ICS79.040B05DB52贵州省地方标准DB52/T765—2012云南松单株立木地上二元生物量表Thebinarybiomasstableoftheindividual-treeofpinusyunnanensis2012-09-21发布2012-10-21实施贵州省质量技术监督局发布\n\nDB52/T765—2012目次前言................................................................................II1范围..............................................................................12术语和定义........................................................................13云南松单株立木地上二元生物量模型及表..............................................13.1云南松单株立木地上二元生物量模型..............................................23.2云南松单株立木地上二元生物量表................................................24使用方法..........................................................................24.1径阶划分......................................................................24.2树高阶划分....................................................................24.3单株立木地上二元生物量计算....................................................2I\n\n学兔兔www.bzfxw.comDB52/T765—2012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。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。本标准主要起草人：罗洪章、夏忠胜、朱松、尹晓阳、姚祖岩、向琼。II\n\nDB52/T765—2012云南松单株立木地上二元生物量表1范围本标准规定了贵州省云南松单株立木地上二元生物量模型及表、使用方法，适用于贵州省毕节、黔西南、六盘水地区的云南松。2术语和定义下列术语和定义适用于本文件。2.1胸径diameteratbreastheight从根颈起向上1.3米处树干的带皮直径。2.2树高treeheight从根颈起向上到树梢的树干全部高度。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。2.5单株立木地上生物量biomassoftheabovegroundpartoftheindividual-tree指单株立木树干、树皮、树枝、树叶的干物质总量。2.6二元生物量表binarybiomasstable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云南松单株立木地上二元生物量模型及表1\nDB52/T765—20123.1云南松单株立木地上二元生物量模型2.104500.48901W=0.074359×D×H式中：W—生物量，单位为kg；D—胸径，单位为cm；H—树高，单位为m。3.2云南松单株立木地上二元生物量表依据模型展开的云南松单株立木地上二元生物量表见表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。2\nDB52/T765—201246714.90739.43763.1455801.06828.54855.1161892.37922.99952.58251011.391051.761090.571127.991164.16838.84878.86917.06953.67988.861022.801055.5940679.52711.94742.89772.97756.98793.10827.57860.575.99606.44635.38662.99689.449.53473.30495.88517.44538.09557.95510.71537.71563.36587.85611.32633.88655.63235.18225.38215.12204.32192.88245.37258.35270.67282.44293.71231.64184.42176.02167.18157.8385/Kg147.74141.02133.94126.44118.45H/mW110.06104.5398.6883.1078.9274.5192.4469.8053.8650.4646.8034.3831.881621.5019.9418.23_________________________________表1云南松单株立木地上二元生物量表234567891012141618202224262830320.770.700.630.5585.7320.45478.42109.8561.938100.482.35102.7174.48147.123.0270.315.52180.6929.137.113.30146.3695.43217.0022.7224.5026.1527.70167.5720.78290.39305.75320.33334.26347.60125.423.561665.877.09274.14201.24339.41357.35374.40390.67406.27421.263.80153.287.7511.651890.09320.4142.8064.7312.99256.81392.44413.19432.91451.72469.75487.0933.3435.9538.3840.65184.088.3620119.1214.20370.4859.21300.168.9246.1249.7353.0956.23238.1622145.5815.32347.069.45278.3624174.8316.35424.37321.8617.3226217.85645.482.12397.5528254.62718.543.75451.6530294.41509.3832368.68796.71609.2834418.85678.7336472.3938570.76969.40635.82925.1242752.1244878.66D/cm3\nDB52/T765-2012