英国树林景观中害虫和疾病发生的模式和驱动因素
Peter S Stewart1,2, Louise J Barwell3, Katharine Turvey3
1School of Mathematics and Statistics, University of Glasgow, Glasgow, UK.
Global change biology
|February 7, 2026
概括
树木害虫和疾病对英国森林构成重大威胁. 这项研究绘制了疾病负担的地图,揭示了英格兰宽叶树和苏格兰针叶树的热点,这些热点是由城市化和林地连接等因素所驱动的.
科学领域:
- 生态生态学 生态生态学
- 林业科学 林业科学
- 生物安全是生物安全.
背景情况:
- 树木害虫和疾病威胁着全球森林生物多样性和林业.
- 英国面临着严重的生态和经济影响,因为害虫和影响关键树木物种的疾病正在蔓延.
- 了解空间风险模式对于有效的缓解策略至关重要.
研究的目的:
- 为了对九种重要的树种在英国的害虫和疾病的分布进行建模.
- 确定影响不同树种和地区害虫和疾病负担的关键驱动因素.
- 为英国树木逃生管理提供有针对性的监测和物种优先级信息.
主要方法:
- 综合物种分布模型被用于分析22年的18871个害虫和疾病记录.
- 基于图形的因果推理方法被用来探索驱动观察分布的因素.
- 总害虫和疾病负担的空间模式被模拟为宽叶和针叶树宿主.
主要成果:
- 害虫和疾病负担显示出不同的区域模式:英格兰的宽叶热点和苏格兰的针叶树热点.
- 城市地区,人口密度和娱乐活动是大叶树害虫/疾病的关键驱动因素.
- 林地连接,植树增长和针叶树覆盖面是针叶树宿主的主要驱动因素,同时也是两者的森林砍伐.
结论:
- 这项研究突出显示,在整个英国,树木害虫和疾病负担的区域差异显著.
- 人类活动和景观特征在塑造害虫和疾病动态方面发挥着至关重要的作用.
- 研究结果支持有针对性的管理,监测和战略植树,以提高对害虫和疾病的抵抗力.
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