The Balance of Nature and Human Impact -

The Balance of Nature and Human Impact
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Wydawnictwo: Cambridge University Press
ISBN: 9781107019614
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Oprawa: twarda
Stron: 426
Data wydania: 2013-02-01
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It is clear that nature is undergoing rapid changes as a result of human activities such as industry, agriculture, travel, fisheries and urbanisation. What effects do these activities have? Are they disturbing equilibria in ecological populations and communities, thus upsetting the balance of nature, or are they enhancing naturally occurring disequilibria, perhaps with even worse consequences? It is often argued that large-scale fluctuations in climate and sea-levels have occurred over and over again in the geological past, long before human activities could possibly have had any impact, and that human effects are very small compared to those that occur naturally. Should we conclude that human activity cannot significantly affect the environment, or are these naturally occurring fluctuations actually being dangerously enhanced by humans? This book examines these questions, first by providing evidence for equilibrium and non-equilibrium conditions in relatively undisturbed ecosystems, and second by examining human-induced effects. 'This book summarizes ecological responses to global environmental change; it is relevant to interested readers of different backgrounds trying to understand why scientists are worried about current environmental change.' Integrative and Comparative Biology

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