使用自制的不钢树仪带进行长期树木生长测量
Chih-Hsin Cheng1, Pei-Chen Lee2, Hong-Rue Lee2
1School of Forestry and Resource Conservation, National Taiwan University, Taipei, 106, Taiwan. chengch@ntu.edu.tw.
Botanical studies
|July 19, 2023
概括
不钢树仪带提供可靠的长期树木生长监测. 这些带可以准确地测量乳房高度直径 (DBH) 和基底面积 (BA) 在十年内发生的变化,这对林业研究非常有价值.
科学领域:
- 林业林业 林业 林业 林业
- 生态生态学 生态生态学
- 森林管理 森林管理 森林管理
背景情况:
- 传统的树仪带在长期监测树木生长方面存在局限性,原因是观察窗口有限和材料耐用性.
- 准确测量树木直径的增加对于了解森林动态和生产力至关重要.
研究的目的:
- 开发和评估一种新的不钢树仪带,用于可靠的长期树木生长监测.
- 对长期使用传统方法进行测量,以评估新型树测量带的准确性和一致性.
主要方法:
- 设计和制造了一种新的不钢树计带,带有延长弹机制.
- 长期性能通过比较500多棵针叶树和宽叶树5年和10年的直径带测量结果来评估.
主要成果:
- 树计带测量显示高相关性 (R > 0.89) 与直径带测量超过5年和10年的时间.
- 单个树木的测量差异通常为<5毫米,平均站立水平差异<2毫米.
- 在十年内成功地证明了乳房高度 (DBH) 和基底面积 (BA) 的直径每年树木的增长.
结论:
- 开发的不钢树仪带提供可靠和准确的长期树木生长测量.
- 这些带具有成本效益,易于安装,适合广泛应用于林业和森林生态研究.
- 该研究介绍了DBH/BA增长和初始DBH之间的大小依赖关系,提供了对森林群发展的见解.
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