ICS 65.020.99 CCS B04 43 湖南省地方 标准 DB 43/T 3080.1—2024 湖南省立木材积、生物量及碳系数计量监 测系列模型 第1部分：总则 Measurement and monitoring models of tree volume, biomass and carbon coefficients in Hunan Province — Part 1: General principles 2024 - 08 - 30发布 2024 - 11 - 30实施 湖南省市场监督管理局 发布 DB 43/T 3080.1 —2024 I 目次 前言 ................................................................................. II 引言 ................................................................................ III 1 范围 ............................................................................... 1 2 规范性引用文件 ..................................................................... 1 3 术语和定义 ......................................................................... 1 4 样本采集 ........................................................................... 2 样本数量 ....................................................................... 3 样本分布 ....................................................................... 3 样木数据采集 ................................................................... 3 样地数据采集 ................................................................... 3 5 参数测定 ........................................................................... 3 6 指标计算 ........................................................................... 3 林分平均胸径计算 ............................................................... 3 林分平均树高计算 ............................................................... 3 立木材积计算 ................................................................... 3 生长率计算 ..................................................................... 3 立木生物量计算 ................................................................. 3 立木碳储量计算 ................................................................. 3 相对直径计算 ................................................................... 3 相对树高计算 ................................................................... 4 林分形高计算 ................................................................... 4 7 模型研建 ........................................................................... 4 模型类型 ....................................................................... 4 模型结构 ....................................................................... 4 模型估计 ...................................................................... 10 模型评价 ...................................................................... 10 模型确定 ...................................................................... 11 参考文献 ............................................................................. 12