对海洋动物与小型潮轮机相互作用的观察
Emma Cotter1,2, Christopher Bassett3, Paul Murphy4
1Coastal Sciences Division, Pacific Northwest National Laboratory, Sequim, Washington, United States of America.
PloS one
|January 14, 2026
概括
动物与轮机碰撞的风险很低,在华盛顿州的潮能量监测期间观察到的鱼类碰撞很少. 大多数鱼类在碰撞中幸存下来,更多的鱼类安全地通过了,这表明轮机的影响最小.
科学领域:
- 海洋生物学 海洋生物学
- 可再生能源可再生能源是可再生能源.
- 生态影响评估 生态影响评估
背景情况:
- 运行潮轮机对海洋野生动物构成潜在的碰撞风险.
- 监测动物相互作用对于评估潮能量对生态的影响至关重要.
- 了解这些相互作用将为监管决策和轮机设计提供信息.
研究的目的:
- 使用光学摄像头监测和分析动物与潮轮机的相互作用.
- 量化海洋动物和交叉流潮轮机之间的碰撞事件.
- 为了评估光学监测的有效性,未来的潮能量研究.
主要方法:
- 在华盛顿州,在1平方米的横流潮轮机附近部署一个带有光学摄像头的传感器包.
- 分析了109天的光学图像,捕捉了1044次鱼类,海鸟和海的观测.
- 观察和记录与轮机运行相关的动物近距离,行为和碰撞事件.
主要成果:
- 没有观察到海鸟或海与轮机之间的碰撞.
- 记录了四只鱼与旋转轮碰撞;三只鱼幸存下来.
- 与那些碰撞的鱼相比,明显更多的鱼 (超过50倍) 通过移动的轮机而没有碰撞.
结论:
- 这项研究提供了关于海洋动物与北美的潮轮机相互作用的初步光学证据.
- 观察到的碰撞率表明,对鱼类的风险可能比以前假设的要低,尽管可能会低估.
- 关于采样和机器学习应用的经验教训将改进未来的海洋可再生能源监测策略.
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