The Earth'S Biosphere. Evolution, Dynamics, And Change - Tapa dura

Sinopsis

In his latest book, Vaclav Smil tells the story of the Earth's biosphere from its origins to its long-term future. He explains the workings of its parts and what is known about their interactions. With essay-like flair, he examines thé biosphere's physics, chemistry, biology, geology, oceanography, energy, climatology, and ecology, as weil as the changes caused by human activity. He provides both the basics of the story and surprising asiles illustrating critical but often neglected aspects of biospheric complexity. Smil begins with a history of the modern idea of thé biosphere, focusing on the development of the concept by Russian scientist Vladimir Vernadsky. He explores the probability of life elsewhere in the universe, life's evolution and metabolism, and the biosphere's extent, mass, productivity, and grand-scale organization. Smil offers fresh approaches to such well-known phenomena as solar radiation and plate tectonics and introduces lesser-known topics such as the quarter-power scaling of animal and plant metabolism across body sues and metabolic pathways. He also examines two sets of fundamental relationships that have profoundly influenced the evolution of life and thé persistence of the biosphere : symbiosis and the role of life's complexity as a déterminant of biomass productivity and résilience. And he voices concern about the future course of human-caused global environmental change, which could compromise the biosphere's integrity and threaten the survival of modern civilization.

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