禁火是一种有效的恢复措施,用于增加北极真菌多样性的有效恢复措施
Ellinor Ramberg1, Håkan Berglund2, Reijo Penttilä3
1Department of Ecology, Swedish University of Agricultural Science, Uppsala, Sweden.
概括
规定的燃烧有效地通过创造有益的粗木碎片 (CWD) 来恢复北极森林中受威胁的多菌 (木材菌) 的多样性. 这种恢复方法特别有利于红色名单上的物种,突出了它对生物多样性保护的重要性.
科学领域:
- 森林生态 森林生态
- 菌类学 菌类学是指菌类学.
- 恢复生态学 恢复生态学
背景情况:
- 密集林业已经降低了北极森林的生物多样性,需要紧急恢复工作.
- 多孔植物是枯木的重要分解者,由于管理森林中粗木碎片 (CWD) 不足而面临威胁.
研究的目的:
- 评估两种恢复治疗的长期影响 通过砍伐和处方燃烧创造CWD对多胞体多样性.
- 评估这些治疗方法在增强多胞体群落,特别是红色名单中的物种在挪威杉林中的有效性.
主要方法:
- 在芬兰南部的北极森林中建立了一个大规模的因数实验,其中三个CWD级别 (5,30,60 m3 ha-1) 经过燃烧或不燃烧处理.
- 在实验启动16年后,在实验创建和自然下降的日志上进行了多社区的清单.
- 分析了社区的组成,物种丰富性和红色名单物种的丰富性,与CWD的增加和规定的燃烧有关.
主要成果:
- 与未燃烧的支架相比,规定的燃烧显著改变了整体多胞体社区的组成.
- 红色名单中的多毛虫物种的丰富性和丰富性受到规定燃烧的积极影响.
- 没有观察到机械创建的CWD水平对多孔多样性的显著影响.
结论:
- 规定的燃烧是一种非常有效的恢复策略,用于增强多多样性,特别是威胁物种,在晚期顺序的北极森林.
- 燃烧产生独特的CWD特征,有利于多孔,不同于机械CWD创建方法.
- 定期地,在景观范围内应用规定的烧伤对于持续的多胞体多样性至关重要,因为烧伤造成的CWD的短暂性质.
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