基于VB程序软件的树干生长过程分析方法研究  

Analysis Method of Growth Process of Trunk Based on VB Program Software

作　　者：林辉 LIN Hui(Gutian State Owned Forest Farm of Fujian, Gutian, Fujian 352268,China)

机构地区：[1]福建省古田国有林场,福建古田352268

出　　处：《林业调查规划》2020年第6期6-10,58,共6页Forest Inventory and Planning

基　　金：福建省林业厅科研项目(闽林科[2014]2号).

摘　　要：树干生长过程分析涉及的公式较多,计算数据量大,计算过程复杂,采用VB编程方法进行树干生长过程分析,快速科学,高效准确。文中介绍了VB语言特点、程序设计思路和框架,阐述树干生长过程分析中外业数据采集的解析木选择、生长环境记载、伐前和伐后测定、圆盘截取等步骤,以及内业数据分析计算中的圆盘年轮数查数、各龄阶直径的量测、程序软件运行操作等过程,数据计算分析成果包括树干直径与树高生长过程表、树干生长过程汇总表、树干各种生长曲线图和树干纵剖面图等。There are many formulas involved in the analysis of the growth process of tree trunk.The calculation data is large and the calculation process is complex.Using VB programming method to analyze the growth process of tree trunk is fast,scientific,efficient and accurate.This paper introduced the characteristics of VB language,program design ideas and framework,and described the process of field data collection,such as the selection of analytic trees,the record of growth environment,the measurement before and after cutting,and circular section cutting,as well as the process of checking the number of annual rings,measuring the diameter of each age class,and operating the program software in the data analysis and calculation.The analysis results included the growth process table of trunk diameter and height,the summary table of trunk growth process,various growth curves of trunk and longitudinal section of trunk.

关 键 词：树干生长过程 VB语言 程序软件 数据采集 数据分析计算 

分 类 号：S758.1[农业科学—森林经理学] TP311.1[农业科学—林学]