Ecosystems

Articles on ecosystems

More Stories in Ecosystems

  1. Animals

    Urchin mobs can literally dis-arm a predator

    Urchins are important herbivores — but not strict vegetarians. When hungry enough, they may even rip apart their predators for lunch.

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  2. Earth

    Only 3 percent of Earth’s land is unchanged by people

    A sweeping survey of land-based ecosystems finds that very few still support all the animals they used to. Reintroducing lost species could help.

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  3. Ecosystems

    Analyze This: Invasive species cost the world billions each year

    A new study estimates that invasive species have cost the world more than $1 trillion since 1970. That’s almost certainly an underestimate.

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  4. Fossils

    Rhinos, camels and bone-crushing dogs once roamed Nebraska

    Scientists digging into the remnants of an ancient watering hole in Nebraska discovered evidence of an Africa-like savanna, complete with rhinos.

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  5. Ecosystems

    Urchin takeover underlies California’s vanishing kelp forests

    Some 95 percent of kelp forests along its northern coast are gone. Meanwhile, sea otters are helping slow the loss of surviving kelp farther south.

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  6. Animals

    Science and Indigenous history team up to help spirit bears

    When scientists and Indigenous people work together, their efforts can benefit bears and people.

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  7. Animals

    Explainer: Black bear or brown bear?

    If you see a bear, check size, shape and more to find out what type it is.

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  8. Animals

    Changing people’s behavior can make bear life better

    Black bears don’t always live life on the wild side. More and more, they live near people. Here’s how people and bears can get along.

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  9. Climate

    Changing climate now threatens northern lakes year round

    Lakes in northern climes are getting warmer, and that’s not good for people, plants or animals.

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