从与树相关的微生态息地到生态系统管理:在爱沙尼亚生产性森林中进行树规模调查
Maarja Kõrkjas1, Liina Remm1, Piret Lõhmus1
1Institute of Ecology and Earth Sciences, University of Tartu, J. Liivi 2, 50409, Tartu, Estonia.
Journal of environmental management
|May 28, 2023
概括
与树相关的微息地 (TreMs) 在经营森林中提供了有限的生物多样性益处. 它们的影响随着树木的年龄而变化,并且可能是负面的,突出了有效生物多样性管理的挑战.
科学领域:
- 森林生态森林生态学
- 生物多样性保护 生物多样性保护
- 生态系统管理生态系统管理
背景情况:
- 与树相关的微息地 (TreMs) 对生物多样性和生态系统的运行至关重要.
- 缺乏管理Trem和相关生物多样性的定量目标.
- 了解树木特征,Trem和生物多样性之间的关系对于有效的森林管理至关重要.
研究的目的:
- 分析TreM多样性和生物多样性 (虫,关节动物,类动物) 之间的树级关系.
- 从树木的年龄和大小来分辨Trems对生物多样性的具体影响.
- 评估生物多样性对Trems生态系统管理的反应的可预测性和规模.
主要方法:
- 在爱沙尼亚半北极森林研究了241棵活树 (Picea abies,Populus tremula),年龄在20-188岁之间.
- 评估的Trem多样性 (特异性,病理,损伤,突发性叶覆盖).
- 经过量化的多样性和丰富的长植物,节足动物和胃足动物.
主要成果:
- 在研究的生物多样性中,Trems对研究生物多样性的积极贡献是有限的,往往取决于年龄.
- 观察到Trem的负面影响,不依赖于年龄或大小,表明潜在的权衡.
- 树规模的微型息地库存限制了整体森林生物多样性增强的潜力.
结论:
- 由于调查的间接方法和时间限制,直接管理Trems具有挑战性.
- 需要包含TreM多样性的空间异质和预防性森林管理策略.
- 需要进一步进行多层次的研究,以了解Trems的功能生物多样性联系,以改善管理.
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