en
Elizabeth Kolbert

The Sixth Extinction: An Unnatural History

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  • lenavonbulowje citiraoпре 4 године
    Beginnings, it’s said, are apt to be shadowy. So it is with this story, which starts with the emergence of a new species maybe two hundred thousand years ago. The species does not yet have a name—nothing does—but it has the capacity to name things.
    As with any young species, this one’s position is precarious. Its numbers are small, and its range restricted to a slice of eastern Africa. Slowly its population grows, but quite possibly then it contracts again—some would claim nearly fatally—to just a few thousand pairs.
    The members of the species are not particularly swift or strong or fertile. They are, however, singularly resourceful. Gradually they push into regions with different climates, different predators, and different prey. None of the usual constraints of habitat or geography seem to check them. They cross rivers, plateaus, mountain ranges. In coastal regions, they gather shellfish; farther inland, they hunt mammals. Everywhere they settle, they adapt and innovate. On reaching Europe, they encounter creatures very much like themselves, but stockier and probably brawnier, who have been living on the continent far longer. They interbreed with these creatures and then, by one means or another, kill them off
  • Laura Mendozaje citiraoпре 3 године
    humanity is going to survive.”
  • Laura Mendozaje citiraoпре 3 године
    “Don’t worry,” its author observes. “As long as we keep exploring
  • Laura Mendozaje citiraoпре 3 године
    A sign in the Hall of Biodiversity offers a quote from the Stanford ecologist Paul Ehrlich: IN PUSHING OTHER SPECIES TO EXTINCTION, HUMANITY IS BUSY SAWING OFF THE LIMB ON WHICH IT PERCHES.
  • Laura Mendozaje citiraoпре 3 године
    The anthropologist Richard Leakey has warned that “Homo sapiens might not only be the agent of the sixth extinction, but also risks being one of its victims.”
  • Laura Mendozaje citiraoпре 3 године
    In an extinction event of our own making, what happens to us? One possibility—the possibility implied by the Hall of Biodiversity—is that we, too, will eventually be undone by our “transformation of the ecological landscape.”
  • Laura Mendozaje citiraoпре 3 године
    “Right now we are in the midst of the Sixth Extinction, this time caused solely by humanity’s transformation of the ecological landscape.”
  • Laura Mendozaje citiraoпре 3 године
    The current extinction has its own novel cause: not an asteroid or a massive volcanic eruption but “one weedy species.” As Walter Alvarez put it to me, “We’re seeing right now that a mass extinction can be caused by human beings.”
  • Laura Mendozaje citiraoпре 3 године
    That history is neither strictly uniformitarian nor catastrophist; rather, it is a hybrid of the two. What this history reveals, in its ups and its downs, is that life is extremely resilient but not infinitely so.
  • Laura Mendozaje citiraoпре 3 године
    What I’ve been trying to do is trace an extinction event—call it the Holocene extinction, or the Anthropocene extinction, or, if you prefer the sound of it, the Sixth Extinction—and to place this event in the broader context of life’s history.
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