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Tales From The Underground: A Natural History Of Subterranean Life | |||||
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Rok: 2001 AnotaceThere are over one billion organisms in a pinch of soil, and many of them perform functions essential to all life on the planet. Yet we know much more about deep space than about the universe below. In Tales from the Underground, Cornell ecologist David W. Wolfe takes us on a spectacular tour of this unfamiliar subterranean world, introducing us to the bizarre creatures that live there, as well as the devoted scientists who study them. We follow the progress of discovery from Charles Darwin's experiments with earthworms and Lewis and Clark's first encounter with prairie dogs, to the isolation of streptomycin and other antibiotics from the soil and the use of new genetic tools that are revealing an astonishingly rich ecosystem beneath our feet. The first stop on this amazing journey takes us deep into the earth's rocky crust, where life may have begun-a world devoid of oxygen and light but safe from asteroid bombardment. The recent discovery of unusual microbes that thrive at these depths today has greatly expanded our notion of earth's biodiversity and has forced us to re-draw the evolutionary tree of life. Many scientists now believe that the total amount of biomass underground exceeds that of the surface. Home to miniscule water bears and microscopic bacteria, mole rats and burrowing owls, the underground reigns supreme. Wolfe lifts the veil on this hidden world, revealing for the first time what makes subterranean life so unique-and so precious. Soil creatures work hard for us, producing important pharmaceuticals, recycling life's essential elements, and helping plants gather nutrients from below. But human activities could easily disrupt the delicate balance within the underground. As Wolfe so eloquently explains, the future of our species may well depend on how we manage our living soil resource. An original, awe-inspiring journey through a strange realm, Tales of the Underground will forever alter our appreciation of the natural world around-and beneath-us. Dostupné zdroje
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