On Gaia : a critical investigation of the relationship between life and earth

著者

    • Tyrrell, Toby

書誌事項

On Gaia : a critical investigation of the relationship between life and earth

Toby Tyrrell

Princeton University Press, c2013

  • : hardcover

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注記

Includes bibliographical references (p. [277]-298) and index

内容説明・目次

内容説明

One of the enduring questions about our planet is how it has remained continuously habitable over vast stretches of geological time despite the fact that its atmosphere and climate are potentially unstable. James Lovelock's Gaia hypothesis posits that life itself has intervened in the regulation of the planetary environment in order to keep it stable and favorable for life. First proposed in the 1970s, Lovelock's hypothesis remains highly controversial and continues to provoke fierce debate. On Gaia undertakes the first in-depth investigation of the arguments put forward by Lovelock and others--and concludes that the evidence doesn't stack up in support of Gaia. Toby Tyrrell draws on the latest findings in fields as diverse as climate science, oceanography, atmospheric science, geology, ecology, and evolutionary biology. He takes readers to obscure corners of the natural world, from southern Africa where ancient rocks reveal that icebergs were once present near the equator, to mimics of cleaner fish on Indonesian reefs, to blind fish deep in Mexican caves. Tyrrell weaves these and many other intriguing observations into a comprehensive analysis of the major assertions and lines of argument underpinning Gaia, and finds that it is not a credible picture of how life and Earth interact. On Gaia reflects on the scientific evidence indicating that life and environment mutually affect each other, and proposes that feedbacks on Earth do not provide robust protection against the environment becoming uninhabitable--or against poor stewardship by us.

目次

Preface ix 1. Gaia, the Grand Idea 1 2. Good Citizens or Selfish Genes? 14 3. Life at the Edge: Lessons from Extremophiles 47 4. Temperature Paces Life 67 5. Icehouse Earth 88 6. Given Enough Time ... 113 7. Evolutionary Innovations and Environmental Change 130 8. A Stable or an Unstable World? 145 9. The Puzzle of Life's Long Persistence 171 10. Conclusions 199 Notes 219 Further Reading 273 References 277 Acknowledgments 299 Index 301

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