科技新闻Artificial beaver dams saw juvenile coho salmon survival rates go from 8% to 60%2026年9月3日1 次浏览来源：Hacker News阅读原文Article URL: https://www.discoverwildlife.com/animal-facts/artificial-beaver-dams-california Comments URL: https://news.ycombinator.com/item?id=49552572 Points: 134 # Comments: 43分享复制链接