作为对热带森林退化的反应,臭虫家族比例的全球变化
Hana Šigutová1, Petr Pyszko2, Dan Bárta2
1Department of Zoology, Faculty of Science, Palacký University Olomouc, 17. listopadu 710, 779 00 Olomouc, Czechia.
The Science of the total environment
|July 3, 2024
概括
龙和 (Odonata) 的比例是监测热带森林健康的关键. 家庭层面的丰富度加权指数,特别是包括Coeenagrionidae在内的指数,是森林退化比次序比率更敏感的指标.
科学领域:
- 生态生态学 生态生态学
- 保护生物学 保护生物学
- 昆虫学 昆虫学是一门学科.
背景情况:
- (龙和) 是热带森林水生生态系统健康的有价值的生物指标.
- 森林砍伐对水生生物群产生影响,类动物的反应可以信号生态变化.
- 以前的研究表明,次序比率 (Zygoptera/Anisoptera) 可以监测森林退化,但这一点受到一般家族的限制.
研究的目的:
- 评估物种丰富性和以次序和家族为基础的Odonate比率是否适合在不同生物区域监测热带森林退化.
- 为了比较丰富度加权比率与表示森林变化的简单比率的有效性.
主要方法:
- 在三个生物区域的热带森林退化梯度中采集了ODONATE样本:印度马拉雅,非洲热带地区和新热带地区.
- 计算了物种丰富度,次序比率 (Zygoptera/Anisoptera) 和家族比率 (Libellulidae/其他Anisoptera,Coenagrionidae/其他Zygoptera).
- 分析了这些比率的丰富度加权版本.
主要成果:
- 简单的Odonate物种丰富度和次序比率是森林变化的糟糕指标.
- 家庭层面的指数,特别是那些以相对丰富度加权的指数,涉及Coaenagrionidae,显示对森林退化的敏感性更高.
- 丰富度加权家庭比率在检测变化方面比次序水平指数更有效.
结论:
- 家庭级比率指标,特别是丰度加权的,是有效和敏感的工具,用于生物监测由于森林退化的微妙水生生物群变化.
- 这些以家庭为基础的指数为资源有限的场景中的生物监测提供了实用的方法.
- 需要进一步验证,以确认这些指数在各种热带生物区域的广泛适用性.
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