Ecosystems

  1. Ecosystems

    Underwater Refuge

    Efforts are under way to greatly expand coastal no-fishing zones.

    By Janet Raloff
  2. 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.

    By Janet Raloff