The Biogeochemistry of Submerged Soils

Preface.

Acknowledgements.
1. Introduction.
1.1 Global Extent of Submerged Soils and Wetlands.
1.2 Biogeochemical Characteristics.
1.3 Types of Submerged Soil.
2. Transport Processes in Submerged Soils.
2.1 Mass Flow.
2.2 Diffusion.
2.3 Ebullition.
2.4 Mixing by Soil Animals.
3. Interchange of Solutes between Solid, Liquid and Gas Phases.

A. WATER.
3.1 Composition of the Water.
3.2 pH Buffer Capacity.
3.3 Equilibrium with the Gas Phase.
3.4 Gas Transport Across the Air-Water Interface.

B. SOIL.
3.5 The Solid Surfaces in Soils.
3.6 The Solid Surfaces in Submerged Soils.
3.7 Solid-Solution Interactions.
4. Reduction and Oxidation.
4.1 Thermodynamics and Kinetics of Redox Reactions.
4.2 Redox Conditions in Soils.
4.3 Transformations of Nutrient Elements Accompanying Changes in Redox.
4.4 Oxidation of Reduced Soil.
5. Biological Processes in the Soil and Floodwater.
5.1 Microbiological Processes.
5.2 Macrobiological Processes.
5.3 Is Biodiversity Important?
6. Processes in Roots and the Rhizosphere.
6.1 Effects of Anoxia and Anaerobicity on Plant Roots.
6.2 Architecture of Wetland Plant Root Systems.
6.3 Nutrient Absorption Properties of Wetland Plant Roots.
6.4 Root-Induced Changes in the Soil.
6.5 Consequences of Root-induced Changes.
6.6 Conclusions.
7. Nutrients, Toxins and Pollutants.
7.1 Nutrient and Acidity Balances.
7.2 Toxins.
7.3 Trace Elements.
8. Trace Gases.
8.1 Methane.
8.2 Nitrogen Oxides.
8.3 Ammonia.
8.4 Sulfur Compounds.
8.5 Carbon Sequestration.

References.

Index.

"...clearly and logically set out...simple and to the point...most impressive." ( European Journal of Soil Science , No.56, April 2005)