Ecosystems

  1. Ecosystems

    Fish Epidemic Traces to Novel Germ

    A new mycobacterium, related to the one causing tuberculosis, is responsible for a mysterious epidemic sickening some of the Chesapeake Bay's most prized fish.

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  2. Ecosystems

    Fly may be depleting U.S. giant silk moths

    A parasitic fly introduced to fight gypsy moths starting in 1906 may be an overlooked factor in the declines of giant silk moths.

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  3. Ecosystems

    More on California’s rogue seaweed

    Scientists have obtained genetic confirmation of the assumption that a newfound rogue alga in California waters is the same strain that has been smothering seafloor communities in the Mediterranean.

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  4. Ecosystems

    Virtual skylarks suffer weed shortfall

    A new mathematical model raises the concern that switching to transgenic herbicide-tolerant crops could deprive birds of weed seeds.

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  5. Ecosystems

    Ultimate Sea Weed Loose in America

    The unusually invasive strain of seaweed that has been smothering coastal areas of the Mediterranean has shown up in a California lagoon, the first sighting of this ecologically devastating alga in the Americas.

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  6. Ecosystems

    Lab ecosystems show signs of evolving

    An ambitious test of group selection considers whether natural selection can act on whole ecosystems as evolutionary units.

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  7. Ecosystems

    New protection for much-dogged shark

    To rebuild northeastern U.S. populations of the spiny dogfish, the first fishing quotas on this species limit the harvest to roughly 10 percent of the 1998 haul.

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  8. Ecosystems

    Males live longer with all-year mating

    Male butterflies live longer in Madeira, where females are available year-round, than in Sweden, where females mature in one burst.

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  9. Ecosystems

    Famine reveals incredible shrinking iguanas

    Marine iguanas in the Galápagos Islands are the first vertebrates known to reduce their size during a food shortage and then regrow to their original body lengths.

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