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Results for keyword: invasive

  • Tipping the scales towards native species

    In Unnatural Landscapes, Ceiridwin Terrill travels to four arid sites to show how scientists fight to protect indigenous organisms from invasive species

  • Battling over ballast

    Congress has tried to regulate ballast water in ships in order to stop the spread of zebra mussels, but so far loopholes in the law and tussles over policy have made the effort ineffective.

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  1. A graceful gazelle becomes a pest | Inrroducing an African gazelle called the oryx for...
  2. The man behind a New Mexico county's fracking ban | Last year Mora became the first county in the nati...
  3. The death of backpacking? | Younger people don’t seem interested in this out...
  4. Plains sense | Ten years after Frank and Deborah Popper first pro...
  5. What's killing the Yukon's salmon? | An ecological mystery in Alaska has scientists and...
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