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使用花质量指数对沿河森林生态系统生态健康的空间评估
Saima Khalid1, Sohaib Muhammad2, Ali Ahmad3
1Dendrochronology Lab, Department of Botany, Government College University, Lahore, 54000, Pakistan. saimakhalidbajwa@gmail.com.
Scientific reports
|November 23, 2025
概括
使用花质量指数 (FQI) 进行的生态研究表明,人类活动对河流森林的健康有负面影响. 管理应侧重于息地恢复和减少破坏,以保护生物多样性.
科学领域:
- 生态生态学 生态生态学
- 植物学 植物学
- 环境科学 环境科学
背景情况:
- 基于现场的生态研究对于监测森林生态系统健康至关重要,特别是在人类造成的压力下.
- 河森林是对人类影响和气候变化敏感的重要生态系统.
研究的目的:
- 通过花质量指数 (FQI) 评估三个河森林的生态健康状况.
- 评估人类活动与森林健康指标之间的相关性.
- 确定指标物种,以监测生态系统的健康状况并指导保护工作.
主要方法:
- 采用了花质量指数 (FQI) 技术,在三个河流森林中对110种植物进行了测试.
- 利用主要成分分析 (PCA) 和集群分析 (CA) 来分析物种组成和生态特异性.
- 进行了指标物种分析,以确定生态系统健康的统计可靠标志物 (p值≤0.05).
主要成果:
- 在人类活动和FQI得分之间发现了负相关性,表明森林健康状况恶化.
- 平均FQI得分为25.31;主要组件分析 (PCA) 显示与人类干扰的相关性.
- 贝拉·基拉·贾瓦尔·辛格 (QJS) 森林拥有最高的外来物种百分比 (36%);集群分析 (CA) 显示QJS和Thatha Faqir Ullah (TFU) 森林是相似的,而Khangarh (KG) 是不同的.
结论:
- 人类造成的压力显著降低了河流森林的健康状况,由较低的FQI得分和更高的外来物种存在来证明.
- 建议恢复息地并减少人类干扰,以改善森林健康并促进本地和标志物种的恢复.
- 定期进行生态评估对于监测森林健康,维护生态系统稳定性和适应威胁的管理策略至关重要.
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