1. Ecosystems

    A Chronicle of Coasts: Study charts historical changes in seas, estuaries

    New research compares the long-term ecological impact of human activities in estuaries and coastal seas on three continents.

  2. Ecosystems

    Top-Down Lowdown: Predators shape coastal ecosystem

    The health of southern California kelp forests may depend more on the ecosystem's predator population than the forest's access to nutrients.

  3. Ecosystems

    Antarctic birds are breeding later

    Rising global temperatures are causing Arctic birds to breed earlier in the spring, but for Antarctic birds, the reverse is true.

  4. Ecosystems

    Light All Night

    New digital images demonstrate that artificial light from urban areas penetrates deep into some of America's most remote wild places, where it may disrupt ecosystems that have evolved with a nightly quota of darkness.

  5. Ecosystems

    Caviar Caveats

    Caviar may become harder to find as a new trade ban goes into effect that's aimed at giving the most prized sturgeon a much-needed break from overfishing for their roe.

  6. Ecosystems

    Corals don’t spread far from their birthplaces

    Creating a marine protected area might offer only limited benefits to vulnerable corals, because viable coral larvae don't appear to spread far from their points of origin.

  7. Ecosystems

    Saving Sturgeon

    Sturgeon species around the world are in trouble, which is why humans will increasingly be stepping in to give them a big assist.

  8. Ecosystems

    Forest Field Trip

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  9. Ecosystems

    Life Underfoot: Microbial biodiversity takes surprising twist

    When it comes to numbers of bacterial species, rainforest dirt is virtually a desert, but desert dirt bursts with biodiversity.

  10. Ecosystems

    Squirt Alert

    A sea animal of unknown origins and lacking any known predator has begun commandeering ecosystems in cool coastal waters throughout the world.

  11. Ecosystems

    When Worms Fly: Insect larvae can survive bird guts

    Insects can travel as larval stowaways in the guts of migrating birds.

  12. Ecosystems

    Feminized cod on the high seas

    Male cod in the open ocean are producing an egg-yolk protein ordinarily made only by females, signaling their potential exposure to estrogen-mimicking pollutants.