将增强的岩石气候变化纳入可持续森林管理中
Minger Guo1, Ian M Power1, Shaun A Watmough1
1Trent School of the Environment, Trent University, Peterborough, Ontario, Canada.
Journal of environmental management
|September 20, 2025
概括
森林中增强的岩石风化 (ERW) 提供二氧化碳去除 (CDR) 和土壤效益. 通过森林小径进行应用是可行的,但剂量变化挑战了碳信用的准确性,需要仔细监测.
科学领域:
- 林业科学 林业科学
- 土壤科学 土壤科学
- 环境科学环境科学
背景情况:
- 增强的岩石气候处理 (ERW) 可以隔离二氧化碳 (CO2) 并改善管理森林中的土壤健康.
- 选择性收获路径为ERW实施提供了潜在的基础设施.
- 富含沃拉斯托尼特的岩石粉被研究用于森林环境中的应用.
研究的目的:
- 评估应用ERW在经营森林中的可行性和挑战,使用选择性采伐路径网络.
- 评估ERW在林业中的二氧化碳去除 (CDR) 和土壤效益的潜力.
- 确定使用现有轨道网络进行ERW修改传播的可行性.
主要方法:
- 使用来自森林小径的拖拉机和散布器,应用富含瓦拉斯托尼特 (28.4%瓦拉斯托尼特) 的岩石粉末.
- 目标修改剂量为5t/ha,以解决历史酸性沉积问题.
- 绘制路径网络的地图,并计算ERW潜在的森林覆盖面积.
主要成果:
- 通过路径应用ERW技术上是可行的,有可能修改哈利伯顿森林85%的森林面积.
- 据估计,研究区域的最大潜在二氧化碳捕获量为1120-1270t CO2/年.
- 在应用剂量 (0.8-6.7t/ha) 中观察到显著的空间异质性,影响了碳信用的可验证性.
结论:
- 通过路径网络将ERW纳入森林管理是实际的,但在实现统一的应用方面存在挑战.
- 精确监测和验证ERW剂量对于可靠的碳信用产生至关重要.
- 需要进一步的研究和精细的方法来优化ERW在经营森林中的应用和监测.
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