https://news.docodemodouga.net/story.php?title=ocean-newsletter-%E7%AC%AC598%E5%8F%B7%EF%BC%882025-10-20%E7%99%BA%E8%A1%8C%EF%BC%89%EF%BD%9E%E7%89%B9%E9%9B%86%EF%BC%9A%E6%B5%B7%E6%B4%8B%E7%94%9F%E7%89%A9 発表元:海洋政策研究所、掲載日:2025-10-21 Tue, 21 Oct 2025 01:00:15 UTC en