Ecosystems

More Stories in Ecosystems

  1. Wildebeest herd
    Life

    Only 3 percent of Earth’s land hasn’t been marred by humans

    A sweeping survey of terrestrial ecosystems finds that vanishingly little land houses all the animals it used to. Species reintroductions could help.

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  2. aspen trees burning in a prescribed burn at Fishlake National Forest
    Ecosystems

    Wildfires launch microbes into the air. How big of a health risk is that?

    How does wildfire smoke move bacteria and fungi — and what harm might they do to people when they get there?

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  3. fish swimming by coral reef
    Oceans

    Corals’ hidden genetic diversity corresponds to distinct lifestyles

    Observation and DNA analysis expose identical reef corals as distinct species with unique ecologies, suggesting much greater coral biodiversity.

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  4. a cat with a bird in its mouth
    Life

    These are the 5 costliest invasive species, causing billions in damages

    Invasive species have cost the global economy at least $1 trillion since 1970 and $162.7 billion in 2017 alone. The annual cost is increasing.

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  5. piles of grasshoppers on a sidewalk
    Animals

    Weather radar shows 30 metric tons of grasshoppers swarmed Las Vegas one night

    Everything’s glitzier in Las Vegas. The most intensely lit U.S. city shows the impact of artificial light on insects on a megascale.

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  6. urchin barren
    Ecosystems

    How kelp forests off California are responding to an urchin takeover

    A pair of studies reports 95 percent loss of kelp forests along the northern coast while sea otters are helping maintain surviving kelp farther south.

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  7. a stream with mountains in the background
    Ecosystems

    Simple hand-built structures can help streams survive wildfires and drought

    Building simple structures with sticks and stones — and inviting in dam-building beavers — can keep water where it’s needed to fight drought and wildfires.

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  8. street light in a suburban neighborhood
    Animals

    Dim lighting may raise the risk of a West Nile virus exposure

    Dimly lit nights increased risk of West Nile virus exposure in chickens. Artificial light proved a better predictor of risk than population or paving.

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  9. three glossy black-cockatoos
    Animals

    A year after Australia’s wildfires, extinction threatens hundreds of species

    As experts piece together a fuller picture of the scale of damage to wildlife, more than 500 species may need to be listed as endangered.

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