1、ICS65.020.20CCS B 6121辽宁省地方标准DB21/T 44702026主要阔叶树种立木含碳量相容性模型及碳计量2026-07-07 发布2026-08-07 实施辽宁省市场监督管理局发 布DB21/T 44702026I前言本文件按照GB/T 1.12020标准化工作导则第1部分：标准化文件的结构和起草规则的规定起草。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专利的责任。本文件由辽宁省林业和草原局提出并归口。本文件起草单位：沈阳农业大学、岫岩满族自治县自然资源事物服务中心、北票市林业和草原局、本溪市林业和草原局、彰武县林业和草原局、宽甸满族自治县林业和草原
2、局、国有清原满族自治县大边沟林场、辽宁省林业调查规划监测院、辽宁省林业科学研究院。本文件主要起草人：高慧淋、殷有、孙云霞、刘红民、吕海燕、郑雪敏、张晏恺、单晓宇、白国华、隋炎佐、史秀举、张亮、丛剑锋、刘冰、王小星、连永刚、赵庆喜、于翔、胡延辰、刘家腾、佟艺玟、倪铭岐、邹怡茜、刘芷岐、马雪诺、闫慧鹏、邰浩宇、马恩普、程海嘉、程淇。本文件发布实施后，任何单位和个人如有问题和意见建议，均可以通过来电和来函等方式进行反馈，我们将及时答复并认真处理，根据实际情况依法进行评估及复审。归口管理部门通讯地址：辽宁省林业和草原局（辽宁省沈阳市和平区太原北街2号），联系电话：024-23448927。文件起草单位
3、通讯地址：沈阳农业大学(辽宁省沈阳市沈河区东陵路120号)，联系电话：024-88487150。DB21/T 447020261主要阔叶树种立木含碳量相容性模型及碳计量1 范围本文件规定了辽宁省蒙古栎（Quercus mongolica）、赤杨（Alnus japonica）、刺槐（Robiniapseudoacacia）等20种阔叶树种立木树干、树枝、树叶、树根含碳量相容性模型数据调查及处理方法、相容性模型研建方法、参数估计方法、不同阔叶树种相容性模型的参数估计值。本文件适用于主要阔叶树种树干、树枝、树叶、树根含碳量的估算。2 规范性引用文件下列文件中的内容通过文中的规范性引用而构成本文件必
4、不可少的条款。其中，注日期的引用文件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用于本文件。GB/T 26424 森林资源规划设计调查技术规程GB/T 43648 主要树种立木生物量模型与碳计量参数LY/T 2188.2 森林资源数据采集技术规范第2部分：森林资源规划设计调查LY/T 2258 立木生物量建模方法技术规程3 术语和定义下列术语和定义适用于本文件。3.1含水率 moisture content树木各器官中所含水分的重量和干重之比。来源：LY/T 22592014，3.2，有修改3.2生物量 biomass某一时刻单位面积内实际存活的有机物
5、质（干重）总量。来源：GB/T 264242010，3.17，有修改3.3含碳量相容性模型 compatibility carbon stock model以立木总含碳量为基础，总含碳量与树干各组成部分的含碳量之和相等的非线性相容性模型。3.4碳计量 carbon parameter相容性模型参数的估计结果。DB21/T 4470202624 外业调查4.1标准地设置选取具有代表性的林分设置标准地，标准地的形状可为矩形或圆形，面积0.06hm2。4.2 解析木的选取依据标准地调查的结果，所有树木按照胸径由大到小的顺序排序，按照等断面积划分为5个组，分别在第1组、第3组和第5组选取1株平均木作为
6、样木进行解析。4.3 树干鲜重测定及样品选择将样木伐倒去掉树枝后，从树根至树梢按照1m的长度将树干进行分段，上端不足1m的部分为梢头。称量所有区分段鲜重（kg），计算得到全树干的鲜重。从树干基部到树梢按照1m的长度将树干进行切割，不足1m的部分确定为梢头。为计算树干含水率，在树干每个区分段上端及0m、1.3m处截取厚度约为2cm的圆盘，在每个圆盘上截取楔形木块作为样品，称量并记录其鲜重（g）。4.4 枝条鲜重测定及样品选择将树干上所有活枝条取下，称量每一个带叶枝条的鲜重（g）。将树冠上、中、下层三层的标准枝条进行枝叶分离，分别记录树枝和树叶的鲜重。为计算树干含水率，将树冠每层的树枝取100g左
7、右作为样品，记录鲜重（g）。4.5 树叶鲜重测定及样品选择将树冠等分为长度相等的上、中、下三层，每层选取1个大小中等、健康的枝条作为标准枝条。将标准枝条进行枝叶分离，分别记录树枝和树叶的鲜重（g），将树冠每层的树叶取100g左右作为样品，记录鲜重（g）。4.6 树根鲜重测定及样品选择将树根全部挖出，将树根按照大于5cm、2cm5cm和小于2cm三个等级分组，分别测定每个组树根的鲜重，将三个组的重量累计得到树根鲜重（kg）。将树根分为大于5cm、2cm5cm和小于2cm三个等级，为计算树干含水率，每个等级的树根分别选取200g左右作为样品，对其进行保鲜处理后，带回实验室，记录鲜重（g）。5 内业
8、测定5.1 生物量计算用干燥箱将选取的各树木器官的所有样品在85的条件下烘干至恒重，记录各样品干重，由各器官样品的干重和鲜重的比例计算含水率，进而计算单木各器官的生物量。5.2 含碳率测定将烘干后的样品进行研磨，将研磨后的样品重新在85的恒温条件下进行烘干处理。所有样品均分别取50mg左右的样品，进行样品含碳率的测定。5.3 含碳量计算利用各树木器官的生物量乘以各器官的含碳率，计算树木各器官的含碳量。DB21/T 4470202636 相容性模型构建6.1 变量的选取以树木胸径为单一变量构建一元相容性含碳量预估模型，以胸径、树高为变量构建二元相容性含碳量预估模型。6.2 相容性模型构建一元相容
9、性模型：式中：Ct阔叶树全树含碳量(kg);Cs阔叶树树干含碳量(kg);Cb阔叶树树枝含碳量(kg);Cl阔叶树树叶含碳量(kg);Cr阔叶树树根含碳量(kg);D树木胸径(cm);bc0、cc0、rc1、rc2、rc3、kc1、kc2、kc3 待估参数。二元相容性模型：式中：Ct阔叶树全树含碳量(kg);Cs阔叶树树干含碳量(kg);Cb阔叶树树枝含碳量(kg);Cl阔叶树树叶含碳量(kg);Cr阔叶树树根含碳量(kg);DB21/T 447020264D树木胸径(cm);H树高(m);b0、c0、r1、r2、r3、k1、k2、k3 待估参数。6.3 参数估计所有阔叶树种的一元、二元立木含
10、碳量相容性模型的参数均采用R语言联立方程组的方法进行拟合。6.4 模型的评价指标以调整后的决定系数（Radj2）作为模型拟合优度的指标，公式如下：Radj2=1-n-1n-p-1 i=1N(yi-yi)i=1N(yi-y)式中：yi 实测值(kg)；yi预估值(kg)；y yi的平均值(kg)；n 样本个数；p 参数个数。7 碳计量方程基于6.3部分估计得出的相容性模型的参数结果，编制辽宁省主要阔叶树种一元立木含碳量相容性模型计量参数用表，按照附录A执行；编制辽宁省主要阔叶树种二元立木含碳量相容性模型计量参数用表，按照附录B执行。DB21/T 447020265附录A（规范性）主要阔叶树一元立
11、木含碳量相容性模型计量参数辽宁省主要阔叶树种一元立木含碳量相容性模型计量参数按照表 A.1 执行。表A.1 主要阔叶树一元立木含碳量相容性模型计量参数表树种bc0cc0rc1rc2rc3kc1kc2kc3蒙古栎 Quercus mongolica1.76390.48352.43890.48421.7771-0.6548-1.0239-0.4118Cs=0.4835D1.76391+2.4389D-0.6548+0.4842D-1.0239+1.7771D-0.4118Cb=0.48352.4389D(-0.6548+1.7639)1+2.4389D-0.6548+0.4842D-1.0239+
12、1.7771D-0.4118Cl=0.48350.4842D(-1.0239+1.7639)1+2.4389D-0.6548+0.4842D-1.0239+1.7771D-0.4118Cr=0.48351.7771D(-0.4118+1.7639)1+2.4389D-0.6548+0.4842D-1.0239+1.7771D-0.4118赤杨 Alnus japonica2.09510.14830.80660.49258.2671-0.4110-1.1599-0.8646Cs=0.1483D2.09511+0.8066D-0.4110+0.4925D-1.1599+8.2671D-0.8646
13、Cb=0.14830.8066D(-0.4110+2.0951)1+0.8066D-0.4110+0.4925D-1.1599+8.2671D-0.8646Cl=0.14830.4925D(-1.1599+2.0951)1+0.8066D-0.4110+0.4925D-1.1599+8.2671D-0.8646Cr=0.14838.2671D(-0.8646+2.0951)1+0.8066D-0.4110+0.4925D-1.1599+8.2671D-0.8646刺槐 Robinia pseudoacacia1.34640.76943.42910.83469.3366-0.9592-1.051
14、0-0.9641Cs=0.7694D1.34641+3.4291D-0.9592+0.8346D-1.0510+9.3366D-0.9641Cb=0.76943.4291D(-0.9592+1.3464)1+3.4291D-0.9592+0.8346D-1.0510+9.3366D-0.9641Cl=0.76940.8346D(-1.0510+1.3464)1+3.4291D-0.9592+0.8346D-1.0510+9.3366D-0.9641Cr=0.76949.3366D(-0.9641+1.3464)1+3.4291D-0.9592+0.8346D-1.0510+9.3366D-0.
15、9641水曲柳 Fraxinus mandshurica2.08160.19270.25400.02138.0409-0.07730.0003-1.3119Cs=0.1927D2.08161+0.2540D-0.0773+0.0213D0.0003+8.0409D-1.3119Cb=0.19270.2540D(-0.0773+2.0816)1+0.2540D-0.0773+0.0213D0.0003+8.0409D-1.3119Cl=0.19270.0213D(0.0003+2.0816)1+0.2540D-0.0773+0.0213D0.0003+8.0409D-1.3119Cr=0.192
16、78.0409D(-1.3119+2.0816)1+0.2540D-0.0773+0.0213D0.0003+8.0409D-1.3119DB21/T 447020266表 A.1 主要阔叶树一元立木含碳量相容性模型计量参数表（续）树种bc0cc0rc1rc2rc3kc1kc2kc3榆树 Ulmus pumila2.29510.09750.13770.008010.14740.37880.5809-1.3087Cs=0.0975D2.29511+0.1377D0.3788+0.0080D0.5809+10.1474D-1.3087Cb=0.09750.1377D(0.3788+2.2951)1
17、0.1377D0.3788+0.0080D0.5809+10.1474D-1.3087Cl=0.09750.0080D(0.5809+2.2951)1+0.1377D0.3788+0.0080D0.5809+10.1474D-1.3087Cr=0.097510.1474D(-1.3087+2.2951)1+0.1377D0.3788+0.0080D0.5809+10.1474D-1.3087枫杨 Pterocarya stenoptera2.10690.11874.52751.98882.5979-0.7010-1.2899-0.4821Cs=0.1187D2.10691+4.5275D-0
18、7010+1.9888D-1.2899+2.5979D-0.4821Cb=0.11874.5275D(-0.7010+2.1069)1+4.5275D-0.7010+1.9888D-1.2899+2.5979D-0.4821Cl=0.11871.9888D(-1.2899+2.1069)1+4.5275D-0.7010+1.9888D-1.2899+2.5979D-0.4821Cr=0.11872.5979D(-0.4821+2.1069)1+4.5275D-0.7010+1.9888D-1.2899+2.5979D-0.4821胡桃楸 Juglans mandshurica2.03110.
19、22991.71542.96231.3443-0.5547-1.3201-0.2899Cs=0.2299D2.03111+1.7154D-0.5547+2.9623D-1.3201+1.3443D-0.2899Cb=0.22991.7154D(-0.5547+2.0311)1+1.7154D-0.5547+2.9623D-1.3201+1.3443D-0.2899Cl=0.22992.9623D(-1.3201+2.0311)1+1.7154D-0.5547+2.9623D-1.3201+1.3443D-0.2899Cr=0.22991.3443D(-0.2899+2.0311)1+1.715
20、4D-0.5547+2.9623D-1.3201+1.3443D-0.2899槲栎 Quercus aliena1.82940.35402.54100.16083.4115-0.3895-0.1864-0.5771Cs=0.3540D1.82941+2.5410D-0.3895+0.1608D-0.1864+3.4115D-0.5771Cb=0.35402.5410D(-0.3895+1.8294)1+2.5410D-0.3895+0.1608D-0.1864+3.4115D-0.5771Cl=0.35400.1608D(-0.1864+1.8294)1+2.5410D-0.3895+0.16
21、08D-0.1864+3.4115D-0.5771Cr=0.35403.4115D(-0.5771+1.8294)1+2.5410D-0.3895+0.1608D-0.1864+3.4115D-0.5771花曲柳Fraxinus chinensis1.67420.68556.23180.08700.8759-0.9703-0.7051-0.2663Cs=0.6855D1.67421+6.2318D-0.9703+0.0870D-0.7051+0.8759D-0.2663Cb=0.68556.2318D(-0.9703+1.6742)1+6.2318D-0.9703+0.0870D-0.7051
22、0.8759D-0.2663Cl=0.68550.0870D(-0.7051+1.6742)1+6.2318D-0.9703+0.0870D-0.7051+0.8759D-0.2663Cr=0.68550.8759D(-0.2663+1.6742)1+6.2318D-0.9703+0.0870D-0.7051+0.8759D-0.2663DB21/T 447020267表A.1 主要阔叶树一元立木含碳量相容性模型计量参数表（续）树种bc0cc0rc1rc2rc3kc1kc2kc3花曲柳Fraxinus chinensis1.67420.68556.23180.08700.8759-0.970
23、3-0.7051-0.2663Cs=0.6855D1.67421+6.2318D-0.9703+0.0870D-0.7051+0.8759D-0.2663Cb=0.68556.2318D(-0.9703+1.6742)1+6.2318D-0.9703+0.0870D-0.7051+0.8759D-0.2663Cl=0.68550.0870D(-0.7051+1.6742)1+6.2318D-0.9703+0.0870D-0.7051+0.8759D-0.2663Cr=0.68550.8759D(-0.2663+1.6742)1+6.2318D-0.9703+0.0870D-0.7051+0.8
24、759D-0.2663黄菠萝Phellodendron amurense2.34420.05370.40090.96622.9604-0.0064-1.0404-0.5721Cs=0.0537D2.34421+0.4009D-0.0064+0.9662D-1.0404+2.9604D-0.5721Cb=0.05370.4009D(-0.0064+2.3442)1+0.4009D-0.0064+0.9662D-1.0404+2.9604D-0.5721Cl=0.05370.9662D(-1.0404+2.3442)1+0.4009D-0.0064+0.9662D-1.0404+2.9604D-0
25、5721Cr=0.05372.9604D(-0.5721+2.3442)1+0.4009D-0.0064+0.9662D-1.0404+2.9604D-0.5721麻栎Quercus acutissima2.36610.10860.65360.02241.7115-0.05060.2053-0.4726Cs=0.1086D2.36621+0.6536D-0.0506+0.0224D0.2053+1.7115D-0.4726Cb=0.10860.6536D(-0.0506+2.3662)1+0.6536D-0.0506+0.0224D0.2053+1.7115D-0.4726Cl=0.1086
26、0.0224D(0.2053+2.3662)1+0.6536D-0.0506+0.0224D0.2053+1.7115D-0.4726Cr=0.10861.7115D(-0.4726+2.3662)1+0.6536D-0.0506+0.0224D0.2053+1.7115D-0.4726银中杨Populus albaP.Berolinensis2.09130.13546.45062.49112.4029-1.3677-1.5518-0.7149Cs=0.1354D2.09131+6.4506D-1.3677+2.4911D-1.5518+2.4029D-0.7149Cb=0.13546.450
27、6D(-1.3677+2.0913)1+6.4506D-1.3677+2.4911D-1.5518+2.4029D-0.7149Cl=0.13542.4911D(-1.5518+2.0913)1+6.4506D-1.3677+2.4911D-1.5518+2.4029D-0.7149Cr=0.13542.4029D(-0.7149+2.0913)1+6.4506D-1.3677+2.4911D-1.5518+2.4029D-0.7149椴树Tilia tuan2.17880.08590.25980.17012.4106-0.0050-0.6862-0.8235Cs=0.0859D2.17881
28、0.2598D-0.0050+0.1701D-0.6862+2.4106D-0.8235Cb=0.08590.2598D(-0.00502.1788)1+0.2598D-0.0050+0.1701D-0.6862+2.4106D-0.8235Cl=0.08590.1701D(-0.68622.1788)1+0.2598D-0.0050+0.1701D-0.6862+2.4106D-0.8235Cr=0.08592.4106D(-0.82352.1788)1+0.2598D-0.0050+0.1701D-0.6862+2.4106D-0.8235DB21/T 447020268表 A.1 主要
29、阔叶树一元立木含碳量相容性模型计量参数表（续）树种bc0cc0rc1rc2rc3kc1kc2kc3白桦Betula platyphylla1.95590.29440.59090.07792.3742-0.2995-0.3006-0.8592Cs=0.2944D1.95591+0.5909D-0.2995+0.0779D-0.3006+2.3742D-0.8592Cb=0.29440.5909D(-0.2995+1.9559)1+0.5909D-0.2995+0.0779D-0.3006+2.3742D-0.8592Cl=0.29440.0779D(-0.3006+1.9559)1+0.5909
30、D-0.2995+0.0779D-0.3006+2.3742D-0.8592Cr=0.29442.3742D(-0.8592+1.9559)1+0.5909D-0.2995+0.0779D-0.3006+2.3742D-0.8592色木槭Acer pictum2.02330.22900.63290.03056.6231-0.3073-0.0598-1.2970Cs=0.2290D2.02331+0.6329D-0.3073+0.0305D-0.0598+6.6231D-1.2970Cb=0.22900.6329D(-0.3073+2.0233)1+0.6329D-0.3073+0.0305D-
31、0.0598+6.6231D-1.2970Cl=0.22900.0305D(-0.0598+2.0233)1+0.6329D-0.3073+0.0305D-0.0598+6.6231D-1.2970Cr=0.22906.6231D(-1.2970+2.0233)1+0.6329D-0.3073+0.0305D-0.0598+6.6231D-1.2970元宝枫Acer truncatum0.90581.20390.84950.76973.1416-0.4403-0.4170-1.0081Cs=1.2039D0.90581+0.8495D-0.4403+0.7697D-0.4170+3.1416D
32、1.0081Cb=1.20390.8495D(-0.4403+0.9058)1+0.8495D-0.4403+0.7697D-0.4170+3.1416D-1.0081Cl=1.20390.7697D(-0.4170+0.9058)1+0.8495D-0.4403+0.7697D-0.4170+3.1416D-1.0081Cr=1.20393.1416D(-1.0081+0.9058)1+0.8495D-0.4403+0.7697D-0.4170+3.1416D-1.0081中荷 64 杨2.59900.02720.01740.02266.46990.67630.3521-1.2921Cs=
33、0.0272D2.59901+0.0174D0.6763+0.0226D0.3521+6.4699D-1.2921Cb=0.02720.0174D(0.6763+2.5990)1+0.0174D0.6763+0.0226D0.3521+6.4699D-1.2921Cl=0.02720.0226D(0.3521+2.5990)1+0.0174D0.6763+0.0226D0.3521+6.4699D-1.2921Cr=0.02726.4699D(-1.2921+2.5990)1+0.0174D0.6763+0.0226D0.3521+6.4699D-1.2921小钻杨Populus xiaozh
34、uanica2.29820.06410.13710.39690.07520.2216-0.62250.4207Cs=0.0641D2.29821+0.1371D0.2216+0.3969D-0.6225+0.0752D0.4207Cb=0.06410.1371D(0.2216+2.2982)1+0.1371D0.2216+0.3969D-0.6225+0.0752D0.4207Cl=0.06410.3969D(-0.6225+2.2982)1+0.1371D0.2216+0.3969D-0.6225+0.0752D0.4207Cr=0.06410.0752D(0.4207+2.2982)1+0
35、1371D0.2216+0.3969D-0.6225+0.0752D0.4207DB21/T 447020269表A.1 主要阔叶树一元立木含碳量相容性模型计量参数表（续）树种bc0cc0rc1rc2rc3kc1kc2kc3旱柳Salix matsudana2.13030.07880.08190.03147.90540.2312-0.0470-1.1390Cs=0.0788D2.13031+0.0819D0.2312+0.0314D-0.0470+7.9054D-1.1390Cb=0.07880.0819D(0.2312+2.1303)1+0.0819D0.2312+0.0314D-0.04
36、70+7.9054D-1.1390Cl=0.07880.0314D(-0.0470+2.1303)1+0.0819D0.2312+0.0314D-0.0470+7.9054D-1.1390Cr=0.07887.9054D(-1.1390+2.1303)1+0.0819D0.2312+0.0314D-0.0470+7.9054D-1.1390文冠果Xanthoceras sorbifolium1.42000.78650.41560.34360.91880.51440.18000.4337Cs=0.7865D1.42001+0.4156D0.5144+0.3436D0.1800+0.9188D0.
37、4337Cb=0.78650.4156D(0.5144+1.4200)1+0.4156D0.5144+0.3436D0.1800+0.9188D0.4337Cl=0.78650.3436D(0.1800+1.4200)1+0.4156D0.5144+0.3436D0.1800+0.9188D0.4337Cr=0.78650.9188D(0.4337+1.4200)1+0.4156D0.5144+0.3436D0.1800+0.9188D0.4337京桃Amygdalus persica1.58580.70380.95000.67292.5891-0.0545-0.65050.0326Cs=0.
38、7038D1.58581+0.9500D-0.0545+0.6729D-0.6505+2.5891D0.0326Cb=0.70380.9500D(-0.0545+1.5858)1+0.9500D-0.0545+0.6729D-0.6505+2.5891D0.0326Cl=0.70380.6729D(-0.6505+1.5858)1+0.9500D-0.0545+0.6729D-0.6505+2.5891D0.0326Cr=0.70382.5891D(0.0326+1.5858)1+0.9500D-0.0545+0.6729D-0.6505+2.5891D0.0326DB21/T 4470202
39、610附 录 B（规范性）主要阔叶树二元立木含碳量相容性模型计量参数辽宁省主要阔叶树种二元立木含碳量相容性模型计量参按照表 B.1 执行。表B.1 主要阔叶树二元立木含碳量相容性模型计量参数表树种b0c0r1r2r3k1k2k3蒙古栎Quercus mongolica0.75670.14923.57560.68961.7378-0.2745-0.3995-0.1421Cs=0.1492D20.7567H0.75671+3.5756D-20.2745H-0.2745+0.6896D-20.3995H-0.3995+1.7378D-20.1421H-0.1421Cb=0.14923.5756D(-
40、20.2745+20.7567)H(-0.2745+0.7567)1+3.5756D-20.2745H-0.2745+0.6896D-20.3995H-0.3995+1.7378D-20.1421H-0.1421Cl=0.14920.6896D(-20.3995+20.7567)H(-0.3995+0.7567)1+3.5756D-20.2745H-0.2745+0.6896D-20.3995H-0.3995+1.7378D-20.1421H-0.1421Cr=0.14921.7378D(-20.1421+20.7567)H(-0.1421+0.7567)1+3.5756D-20.2745H-
41、0.2745+0.6896D-20.3995H-0.3995+1.7378D-20.1421H-0.1421赤杨Alnus japonica0.83550.05881.88891.308918.1545-0.2386-0.5150-0.3901Cs=0.0588D20.8355H0.83551+1.8889D-20.2386H-0.2386+1.3089D-20.5150H-0.5150+18.1545D-20.3901H-0.3901Cb=0.05881.8889D(-20.2386+20.8355)H(-0.2386+0.8355)1+1.8889D-20.2386H-0.2386+1.3
42、089D-20.5150H-0.5150+18.1545D-20.3901H-0.3901Cl=0.05881.3089D(-20.5150+20.8355)H(-0.5150+0.8355)1+1.8889D-20.2386H-0.2386+1.3089D-20.5150H-0.5150+18.1545D-20.3901H-0.3901Cr=0.058818.1545D(-20.3901+20.8355)H(-0.3901+0.8355)1+1.8889D-20.2386H-0.2386+1.3089D-20.5150H-0.5150+18.1545D-20.3901H-0.3901刺槐Ro
43、binia pseudoacacia0.56020.44815.29591.325314.5536-0.4055-0.4422-0.4082Cs=0.4481D20.5602H0.56021+5.2959D-20.4055H-0.4055+1.3252D-20.4422H-0.4422+14.5536D-20.4082H-0.4082Cb=0.44815.2959D(-20.4055+20.5602)H(-0.4055+0.5602)1+5.2959D-20.4055H-0.4055+1.3252D-20.4422H-0.4422+14.5536D-20.4082H-0.4082Cl=0.44
44、811.3252D(-20.4422+20.5602)H(-0.4422+0.5602)1+5.2959D-20.4055H-0.4055+1.3252D-20.4422H-0.4422+14.5536D-20.4082H-0.4082Cr=0.448114.5536D(-20.4082+20.5602)H(-0.4082+0.5602)1+5.2959D-20.4055H-0.4055+1.3252D-20.4422H-0.4422+14.5536D-20.4082H-0.4082水曲柳Fraxinus mandshurica0.83130.06370.27300.018522.3456-0
45、03450.0158-0.5624Cs=0.0637D20.8313H0.83131+0.2730D2-0.0345H-0.03450.0185D-240.7288H0.0158+22.3456D-20.5523H-0.5624Cb=0.06370.2730D(2-0.0345+20.8313)H(-0.0345+0.8313)1+0.2730D2-0.0345H-0.03450.0185D-240.7288H0.0158+22.3456D-20.5523H-0.5624Cl=-0.06372883.61D(-240.7288+20.8313)H(0.0158+0.8313)1+0.2730
46、D2-0.0345H-0.03450.0185D-240.7288H0.0158+22.3456D-20.5523H-0.5624Cr=0.063722.3456D(-20.5523+20.8313)H(-0.5624+0.8313)1+0.2730D2-0.0345H-0.03450.0185D-240.7288H0.0158+22.3456D-20.5523H-0.5624表 B.1 主要阔叶树二元立木含碳量相容性模型计量参数（续）树种b0c0r1r2r3k1k2k3榆树0.88970.04010.13790.007022.53240.13220.2168-0.5437DB21/T 447
47、0202611Ulmus pumilaCs=0.0401D20.8897H0.88971+0.1379D20.1322H0.1322-0.0070D-20.2168H0.2168+22.5324D-20.5437H-0.5437Cb=0.04010.1379D(20.1322+20.8897)H(0.1322+0.8897)1+0.1379D20.1322H0.1322-0.0070D-20.2168H0.2168+22.5324D-20.5437H-0.5437Cl=-0.04010.0070D(20.2168+20.8897)H(0.2168+0.8897)1+0.1379D20.1322
48、H0.1322-0.0070D-20.2168H0.2168+22.5324D-20.5437H-0.5437Cr=0.040122.5324D(-20.5437+20.8897)H(-0.5437+0.8897)1+0.1379D20.1322H0.1322-0.0070D-20.2168H0.2168+22.5324D-20.5437H-0.5437枫杨Pterocarya stenoptera0.80080.07236.38743.02743.7633-0.2854-0.5022-0.2115Cs=0.0723D20.8008H0.80081+6.3874D-20.2854H-0.285
49、4+3.0274D-20.5022H-0.5022+3.7633D-20.2115H-0.2115Cb=0.07236.3874D(-20.2854+20.8008)H(-0.2854+0.8008)1+6.3874D-20.2854H-0.2854+3.0274D-20.5022H-0.5022+3.7633D-20.2115H-0.2115Cl=0.07233.0274D(-20.5022+20.8008)H(-0.5022+0.8008)1+6.3874D-20.2854H-0.2854+3.0274D-20.5022H-0.5022+3.7633D-20.2115H-0.2115Cr=
50、0.07233.7633D(-20.2115+20.8008)H(-0.2115+0.8008)1+6.3874D-20.2854H-0.2854+3.0274D-20.5022H-0.5022+3.7633D-20.2115H-0.2115胡桃楸Juglans mandshurica0.84300.05632.59098.15971.4617-0.2326-0.5577-0.1085Cs=0.0563D20.8430H0.84301+2.5909D-20.2326H-0.2326+8.1597D-20.5577H-0.5577+1.4617D-20.1085H-0.1085Cb=0.0563
