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anadromous |
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anadromous said of fish; those living most of their lives in the sea but entering rivers to spawn. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Despite special fish ladders and other bypass devices, dams alter the habitat, impede fish migrations, kill many young, seaward-migrating fish in hydroelectric turbines, and expose species to predation that they wouldn't typically encounter in a free-flowing river. A moratorium on fill in the bay has stood for 30 years, and many are unconvinced it should be lifted now, citing the danger of increased chemical runoff, habitat damage and interrupted fish migration. But Rindge said the dam's removal would give the steelhead only an additional 200 to 300 yards of unfettered stream, since a steep waterfall above the dam precludes farther fish migration. |
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