Incluye bibliografía e índice: páginas 331-336

Chapter 1. Recent marine environments.. 1. The effects of marine benthos on physical properties of sediments.. 2. The effects of macrobenthos on chemical properties of marine sediment and overlying water.. Chapter 2. Recent freshwater environments.. 3. The effects of benthos on physical properties of freshwater sediments.. 4. Effects of macrobenthos on the chemical diagenesis of freshwater sediments.. Chapter 3. Ancient environments.. 5. Geological significance of marine biogenic sedimentary structures.. 6. Geological significance of aquatic nonmarine trace fossils.. Chapter 4. Models.. 7. Mathematical models of bioturbation.. Index

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In 1881, Charles Darwin published "The Formation of Vegetable Mould through the Action of Worms." In his book he described the feeding activities of terrestrial oligochaetes and their effect on the physical and chemical properties of the soil and soil fertility. The book sold 8500 copies in the two years following its publication. Later workers confirmed Darwin's observations on the effects of oligochaetes on soil structure and fertility and further documented soil alterations produced by other animals. Still other studies have shown that the biogenic alteration of sediments is a pervasive process in aquatic environments as well. Inglés

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