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微生物-微塑料协会在海洋虫的食行为中的作用
Aaron Ridall1, Sean Asgari2, Jeroen Ingels3
1Department of Biological Science, Florida State University, 319 Stadium Dr, Tallahassee, FL, 32306, USA; Florida State University Coastal and Marine Laboratory, 3618 Coastal Highway 98, St Teresa, FL, 32358, USA.
Environmental pollution (Barking, Essex : 1987)
|August 5, 2023
概括
海洋线虫不优先消耗微塑料 (MPs) 与微生物,即使在高度. 在MP上微生物的生长似乎没有推动这些重要的海洋无脊椎动物的摄入.
科学领域:
- 海洋生物学 海洋生物学
- 生态毒理学 生态毒理学
- 环境科学 环境科学
背景情况:
- 动物吸收微塑料 (MPs),但消费的原因尚不清楚.
- 假设MP上的微生物生长会增加摄入率.
- 关于MP摄入驱动因素的实验室数据仍然有限.
研究的目的:
- 为了调查MP上的微生物是否会影响海洋线虫的食行为.
- 评估目前和未来环境度的MP摄入量.
- 为了确定MP消费是否与线虫属或养类型有关.
主要方法:
- 微宇宙实验使用细菌处理和未处理的光微珠.
- 微分子度:10^2,10^4和10^6每一个微宇宙.
- 在0,3和7天后通过显微镜评估了虫的摄入.
主要成果:
- 螺旋虫是唯一能够吞MP的动物.
- 粉消费没有明显的趋势暴露时间,细菌治疗,或粉度.
- 没有观察到属性或养类型特定的消费模式,尽管耐污染的属性消耗了更多的MP.
结论:
- 微生物与MP的关联不会导致海洋线虫的摄入,尤其是在现实的度下.
- 线虫MP的消耗是可变的,并不能通过微生物的存在来解释.
- 在一些研究中,高MP度可能会扭曲结果,为摄入提供替代解释.
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