城市化和农业对动物浮游生物相互作用的影响:在低地河流中的网络建模方法
Anna Maria Goździejewska1, Marek Kruk2, Katarzyna Glińska-Lewczuk3
1Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, Oczapowskiego 5, 10-719, Olsztyn, Poland.
Journal of environmental management
|December 31, 2024
概括
土地使用对河流动物浮游生物产生影响. 自然区域表现出平衡的相互作用,而城市和农业压力削弱了这种关系,导致生态系统抵抗力降低和物种均化.
科学领域:
- 生态生态学 生态生态学
- 水生生态系统 水生生态系统
- 环境科学 环境科学
背景情况:
- 土地使用模式通过改变非生物条件,显著影响水生生态系统.
- 捕捞管理实践对于保持河流浮游动物群体的健康和生物多样性至关重要.
研究的目的:
- 为了研究流域管理实践如何影响水参数和动物浮游生物群落结构在一个后冰期河流.
- 在不同土地使用场景下评估动物浮游生物物种间相互作用的动态,重要性和性质.
主要方法:
- 使用网络图形建模分析了动物浮游生物社区结构和物种间相互作用.
- 研究了四个不同的流域部分:自然 (NAT),城市 (URB),城市/农业 (URB/AGR) 和农业 (AGR).
主要成果:
- 自然流域 (NAT) 呈现出一个有凝聚力的动物浮游生物网络,具有平衡的积极和消极相互作用,表明生态系统平衡.
- 城市和农业压力 (URB,AGR) 导致了分散的网络,削弱了负面相互作用,以及特定的 rotifer 物种的主导地位,这表明了同质化.
- 观察了环境过过程,突出了沿着研究的河流段的物种适应和消除.
结论:
- 由城市化和农业驱动的土地利用强化,对河流动物浮游生物群落结构和生态系统抵抗力产生负面影响.
- 可持续的流域管理策略对于保护河流系统的生物多样性和生态完整性至关重要.
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