西澳大利亚州土著热带草原火灾管理项目中取得火灾管理成果的因素

IF 2.9 3区 农林科学 Q1 FORESTRY
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引用次数: 0

摘要

背景西澳大利亚州的巴朗加拉(Balanggarra)、丹比曼加里(Dambimangari)、威灵金(Wilinggin)和武南巴拉-加姆贝拉(Wunambal Gaambera)传统所有者在北金伯利火灾消除集体项目下开展了热带稀树草原火灾管理项目。目的我们研究了这些项目启动前后火灾机制的变化,并讨论了激励稀树草原火灾管理的意义。方法我们利用既定方法和高分辨率图像,比较了基线年(2001-2011 年)和项目年(2012-2022 年)的火灾指标。主要结果火灾季节性明显从旱季晚期为主转变为旱季早期为主,旱季晚期火灾减少,导致碳减排。虽然焚烧总面积保持相似,但年度火灾模式从周期性转变为变化较少的制度。火灾斑块、火龄多样性和长期未燃烧植被面积增加,而火灾频率下降。至少需要 4 年的防火管理才能观察到火灾指标的显著变化。结论由于出现了陆地和海洋管理、碳市场、合作机构的支持以及土地权利的保障,传统所有者土地上的火灾机制得到了显著改善。意义除碳信用额度外,技术的获取也为在传统燃烧实践的坚实基础上持续改善适应性火灾管理带来了希望。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Factors enabling fire management outcomes in Indigenous Savanna fire management projects in Western Australia
Background

Balanggarra, Dambimangari, Wilinggin and Wunambal Gaambera Traditional Owners in Western Australia operate Savanna Fire Management projects under the collective North Kimberley Fire Abatement Project.

Aims

We examine changes to the fire regime before and after the initiation of these projects and discuss implications for incentivising savanna fire management.

Methods

Using established methods and high-resolution imagery, we compared fire metrics between baseline (2001–2011) and project years (2012–2022).

Key results

Fire seasonality notably shifted from late to early dry season dominance with fewer late season fires across, resulting in carbon abatement. While total area burnt remained similar, annual fire pattern transitioned from a cyclical to less variable regime. Fire patchiness, fire age diversity, and area of long unburnt vegetation increased while fire frequency decreased. A minimum of 4 years of fire management was required before significant changes in fire metrics were observed.

Conclusions

The fire regime on Traditional Owner lands has improved significantly, enabled by the emergence of land and sea management, carbon markets, support of partner agencies, and the securing of land rights.

Implications

Beyond carbon credits, access to technology holds promise for sustained improvements to adaptive fire management built on strong foundations of traditional burning practices.

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来源期刊
CiteScore
5.50
自引率
9.70%
发文量
67
审稿时长
12-24 weeks
期刊介绍: International Journal of Wildland Fire publishes new and significant articles that advance basic and applied research concerning wildland fire. Published papers aim to assist in the understanding of the basic principles of fire as a process, its ecological impact at the stand level and the landscape level, modelling fire and its effects, as well as presenting information on how to effectively and efficiently manage fire. The journal has an international perspective, since wildland fire plays a major social, economic and ecological role around the globe. The International Journal of Wildland Fire is published on behalf of the International Association of Wildland Fire.
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