亚洲 · 综合新闻 · Times of India
In 2019, New Jersey completed the removal of the old Columbia Dam and reopened about 14 km of river; a 2026 study found juvenile eels, sea lampreys and American shad upstream after years of monitoring
Columbia Dam in New Jersey was removed in 2019 to allow the natural migration of fish. Recent studies show encouraging signs of recovery in fish populations, including American…
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