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在2021年大火发生后,俄罗斯中部森林的火灾后的类动物 (使用酒陷进行研究)
Leonid V Egorov1,2, Alexander B Ruchin1, Alexander I Fayzulin3
1Joint Directorate of the Mordovia State Nature Reserve and National Park "Smolny", Saransk 430005, Russia.
Insects
|June 26, 2024
概括
野火大大减少了森林甲虫 (Coleoptera) 的数量和多样性. 未燃烧的对照区显示昆虫数量较高,而燃烧的地区则有较少的甲虫,特别是在火灾后的第二年.
科学领域:
- 生态生态学 生态生态学
- 林业林业 林业 林业 林业
- 昆虫学 昆虫学是一门学科.
背景情况:
- 森林火灾是显著的生态干扰,对昆虫群体的影响尚不清楚.
- 在自然森林中对火灾后的昆虫动物群的研究,特别是虫群的研究,仍然有限.
- 了解这些影响对于森林生态系统管理和生物多样性保护至关重要.
研究的目的:
- 为了分析火灾后自然森林地块中的虫动物群.
- 为了比较被烧毁和未被烧毁的森林遗址之间的昆虫丰富性和多样性.
- 评估火灾事件发生后,大虫群体的时间恢复模式.
主要方法:
- 从摩尔多维亚国家自然保护区的燃烧 (2010,2021) 和未燃烧的对照地块采集虫标本.
- 分析了12218个属于38个家族和194个物种的虫标本.
- 不同地块类型和火灾后的年份之间的α多样性和丰度指标的比较.
主要成果:
- 没有被烧毁的地块表现出最大的虫繁多和物种多样性.
- 烧毁的地块的丰度明显较低,火灾后的第一年与第二年相比,数量更高.
- 尼蒂杜利科,科,埃拉特科和科是最丰富的家族;几个物种显示出有限的息地偏好.
结论:
- 森林火灾通过破坏重要息地,大幅减少了虫种群的数量.
- 在火灾发生后的最初几年里,大虫群体的恢复有限.
- 未燃烧的森林地块是维护甲虫多样性和丰富性的关键避难所.
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