Volume B covers the ecological significance of the interactions among clay minerals, organic matter and soil biota. Soil is a dynamic system in which soil minerals constantly interact with organic matter and microorganisms. Close association among abiotic and biotic entities governs several chemical and biogeochemical processes and affects bioavailability, speciation, toxicity, transformations and transport of xenobiotics and organics in soil environments. This book elaborates critical research and an integrated view on basic aspects of mineral weathering reactions; formation and surface reactivity of soil minerals with respect to nutrients and environmental pollutants; dynamics and transformation of metals, metalloids, and natural and anthropogenic organics; effects of soil colloids on microorganisms and immobilization and activity of enzymes, and metabolic processes, growth and ecology of microbes. It offers up-to-date information on the impact of such a processes on soil development, agricultural production, environmental protection, and ecosystem integrity.
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(R. Papini et al.). Characterization of Enzymatic or Abiotic Immobilization of Xenobiotics in Soil (J.-M. Bollag et al.). Enzymes in Soil: Properties, Behavior and Potential Applications (L. Gianfreda et al.). Response of Organic Matter Pools and Enzyme Activities in Particle Size Fractions to Organic Amendments in a Long-Term Field Experiment (M.H. Gerzabek et al.). Indirect Approaches for Assessing Intracellular Arylsulfatase Activity in Soil (F. Fornasier). Changes in Soil Organic Matter, Enzymatic Activities and Heavy Metal Availability Induced by Application of Organic Residues (P. Burgos et al.). Oxygenase Systems in an Oligotrophic Bacterial Community of a Subsurface Water Polluted by BTEX (L. Cavalca et al.). Lichen-Rock Interactions and Bioformation of Minerals (P. Adamo et al.). Soil Humic Acids Formation and Characteristics in a Xeric Mollisol Reforested with two Tree Species (M.T. Dell'Abate et al.). Energy Use in the A and B Horizons of the Soil under a Pine and a Cedar Stand (F. Pinzari et al.). Future Perspectives on the Environment and Human Health Interactions (C. De Kimpe). Index.