Advances in Microbial Ecology

The Role of Protozoa in Nutrient Cycling and Energy Flow.- 1. Introduction.- 2. Nutrient Dynamics.- 3. Ecological Constraints of the Microhabitat.- 4. Population Structure and Dynamics.- 5. Conclusions.- References.- 2 Surface Microlayers in Aquatic Environments.- 1. Introduction.- 2. The Surface Microlayer(s).- 3. Some General Concepts for Lipid FilmsStates.- 4. Microbial Interaction at the Surface Lipid Film—Gaseous, Liquid, and Solid.- 5. Factors Affecting Microbial Structure and Function of the Surface Microlayers.- 6. Phytoneuston Layers: Some Characteristics.- References.- 3 Factors Affecting Survival of Rhizobium in Soil.- 1. Introduction.- 2. Terminology and Methods Used for Enumerating and Distinguishing Strains of Rhizobium in the Soil.- 3. Factors Affecting Rhizobial Survival.- 4. Conclusions and Recommendations.- References.- 4 Microbial Ecology of Flooded Rice Soils.- 1. Introduction.- 2. Floodwater.- 3. Surface Oxidized Layer.- 4. Reduced Layer.- 5. Subsoil.- 6. Root Zoneof Rice.- 7. Perspective and Conclusion.- References.- 5 Microbial Oxidation of Organic Matter of Histosols.- 1. Introduction.- 2. Microbial Activities in Newly Drained Peats.- 3. Carbon Metabolism in Well-Humified, Cultivated Histosols.- 4. Factors Limiting Soil Organic Matter Oxidation.- 5. Concluding Remarks.- References.- 6 The Immunofluorescence Approach in Microbial Ecology.- 1. Introduction.- 2. Nitrogen-Fixing Bacteria.- 3. Nitrifying Bacteria.- 4. Sulfur- and Iron-Oxidizing Bacteria.- 5. Bacteria Involved in the Methane Cycle in Lakes: Methanogens and Methylotrophs.- 6. Anaerobic Bacteria.- 7. Public Health and Water Pollution Microbiology.- 8. Plant Pathogenic Bacteria.- 9. Filamentous Fungi.- 10. Other Applications.- References.