评估CO2和声音作为一个入侵的大头鱼威剂在模型锁和大中
Michael W Frett1, Jessica L Kozarek2, Amelia L Berry3
1Department of Biology, University of Minnesota Duluth, 1035 Kirby Drive, Duluth, MN, 55812, USA; Minnesota Aquatic Invasive Species Research Center, University of Minnesota, 135 Skok Hall, 2003 Upper Buford Circle, St. Paul, MN, 55108, USA.
Environmental pollution (Barking, Essex : 1987)
|March 15, 2025
概括
宽带声音和二氧化碳 (CO2) 结合在一起,以阻止入侵的大头鱼. 仅仅是声音就有效地阻断了上游迁移在一个模型锁房一周.
科学领域:
- 侵入性物种管理 侵袭性物种管理
- 水生生态学 水生生态学
- 行为科学是一种行为科学.
背景情况:
- 侵入性银鱼 (Hypophthalmichthys molitrix) 和大头鱼 (H. nobilis) 构成了重大的生态和经济威胁.
- 目前正在研究阻止水生环境上游迁移的现有威剂.
- 宽带声音和溶解的二氧化碳 (CO2) 显示为限制鱼在锁室等封闭区域的移动有希望.
研究的目的:
- 为了评估一种多式联络威剂的有效性,该威剂将宽带声音和二氧化碳结合起来.
- 评估威剂在模型锁和水系统中限制入侵性大头鱼上游通行的能力.
主要方法:
- 使用了一种10,000升的流量模型锁定和系统.
- 巨头鱼群的传统条件是将宽带声音与高二氧化碳水平联系起来.
- 仅仅宽带声音作为一种威的有效性在经过调节后进行了测试.
主要成果:
- 仅仅通过宽带声音就能实现100%的有效性,限制大头鱼的上游通行.
- 在一周内连续28次试验中,鱼被阻止进入和穿越锁室.
- 多式联运方法显示出控制入侵物种移动的巨大潜力.
结论:
- 经典地调节入侵的大头鱼以将宽带声音与二氧化碳联系起来,提高了威效率.
- 仅仅是宽带声音本身就能成为一个非常有效的非物理威,可以在锁室中对入侵的大头鱼进行高效的威.
- 这些发现支持基于声音的威剂的潜在现场部署,以管理侵袭性鱼上游迁徙.
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