在美国水力发电开发项目中对鱼类通道设施进行人口普查,这些设施遍及整个美国
Paul G Matson1, Bryan B Bozeman1, Chris R DeRolph1
1Environmental Science Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA, 37831.
Journal of environmental management
|July 19, 2025
概括
这项研究表明,大多数美国水电大对迁徙鱼类构成风险. 虽然存在鱼类通行设施,但它们往往是单向的,集中在特定地区,突出需要改进减缓策略.
科学领域:
- 环境科学 环境科学
- 生态生态学 生态生态学
- 水力发电工程 水力发电工程
背景情况:
- 水力发电对于美国电网的稳定性和可靠性至关重要.
- 水力发电大作为迁徙鱼类的障碍,构成生态风险.
- 现有的关于美国鱼类通道设施的数据不完整.
研究的目的:
- 创建30多年来美国水力发电开发项目中鱼类通道设施的第一个全面数据集.
- 分析鱼类通过设施的分布,类型和特征,在整个美国 (CONUS).
- 建立一个基准来评估水电减缓鱼群的进展.
主要方法:
- 编制了1909年水力发电设施的鱼经过设施的CONUS规模数据集.
- 记录了设施的存在或不存在,通道方向和设施类型 (例如绕道,梯子).
- 分析了相对于地理位置,水特征和鱼类种群存在的设施分布.
主要成果:
- 1909个水力发电设施中,有390个拥有至少一个鱼通过设施.
- 大多数设施都是单向的 (下游比上游更常见),绕道和梯子很普遍.
- 鱼类通道设施在新英格兰,太平洋西北,中大西洋和大湖地区最常见.
- 设施在靠近海洋的地点,较低的海拔和较短的水上更为普遍.
结论:
- 这次人口普查提供了关于现有的鱼类通道减缓工作的关键数据.
- 这些发现凸显了当前水电基础设施的区域差异和设施限制.
- 这一数据集是现代化水力发电的重要基准,以平衡能源需求与生态保护.
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