Ecosystems

  1. Plants

    Marsh grass masquerades as a native species

    The abundant cordgrass found in South American marshes may actually have invaded the region more than two centuries ago, a new study concludes.

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  2. Animals

    Invasive species may be great snacks for predators

    The arrival of a new food source can benefit predators, a new study finds. But if there are no native species around to eat, it’s a different story.

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  3. Animals

    Marine biologist chronicles a lifelong love of fishing

    In A Naturalist Goes Fishing, a marine biologist takes readers on a round-the-world fishing expedition

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  4. Paleontology

    Dimetrodon’s diet redetermined

    The reptilelike Dimetrodon dined mainly on amphibians and sharks, not big herbivores as scientists once believed.

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  5. Oceans

    Widespread coral bleaching threatens world’s reefs

    The world’s corals are experiencing their third major bleaching event in 17 years.

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  6. Oceans

    Giant barrel sponges are hijacking Florida’s coral reefs

    Giant barrel sponges are gradually taking over and threatening Florida’s coral reefs, a new census suggests.

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  7. Animals

    Why we need predators

    It might be easy to say that we should wipe out species that can kill us. But the effects of such action would be far ranging.

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  8. Animals

    Warmer waters give Arctic mosquitoes a growth spurt

    Arctic mosquitoes develop faster in warmer waters, outpacing increased predation.

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  9. Ecosystems

    Patrolling bats protect corn fields from pests

    Bats play a key role in protecting corn from pests and fungus.

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  10. Animals

    Invading Argentine ants carry virus that attacks bees

    The first survey of viruses in the globally invasive Argentine ant brings both potentially bad and good news.

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  11. Animals

    Invading Argentine ant hordes carry a virus that attacks bees

    Invasive Argentine ants may be reservoirs for a virus menacing honeybees — and for previously unknown virus.

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  12. Animals

    Rabbits leave a mark on soil long after they are gone

    Twenty years after rabbits were removed from a sub-Antarctic island, soil fungus has yet to return to normal, a study finds.

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