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Full Description
This volume of Advances in Microbial Ecology marks a change in the editor ship of the series. The Editorial Board wishes to take this opportunity to express its gratitude to Martin Alexander, the founding editor and editor of the first five volumes, for his enterprise in establishing the series and in ensuring that Advances has become an outstanding focal point for the identification of new developments in the rapidly expanding field of microbial ecology. With the publication of this volume, we welcome Howard Slater to the Editorial Board. The policies of the Editorial Board remain the same as before. Most con tributions to Advances in Microbial Ecology will be solicited by the Board. However, individuals are encouraged to submit outlines of unsolicited contri butions to the Board for consideration for inclusion in the series. Advances is designed to serve an international audience and to provide critical reviews on basic and applied aspects of microbial ecology. Contributions in the present volume are predominantly concerned with the ecology of aquatic microorganisms, but encompass a variety of approaches to this area. The exception is the chapter by J. W. Doran on the role of micro organisms in the cycling of selenium. G-Y. Rhee discusses the effects of envi ronmental factors on phytoplankton growth. The factors limiting the produc tivity of freshwater microbial ecosystems are considered by H. W. Paerl.
Contents
1: Microorganisms and the Biological Cycling of Selenium.- 1. Introduction.- 2. Selenium in the Environment.- 3. Microbial Transformations of Selenium.- 4. Biological Cycling of Selenium.- 5. Conclusions and Remarks.- References.- 2: Effects of Environmental Factors and Their Interactions on Phytoplankton Growth.- 1. Introduction.- 2. Nutrients.- 3. Light.- 4. Temperature.- 5. Concluding Remarks.- References.- 3: Factors Limiting Productivity of Freshwater Ecosystems.- 1. A Perspective on Freshwater Ecosystems.- 2. The Concept of Limiting Factors.- 3. Geological, Physical, Chemical and Biological Characteristics of Freshwater Ecosystems in Relation to Nutrient Limitation.- 4. The CO2 Limitation Question.- 5. Vitamins and Growth Promoting Substances as Limiting Factors.- 6. Microbial Strategies Counteracting Growth Limitations.- 7. Determining Factors Limiting Primary Productivity in Freshwater.- 8. Concluding Remarks.- References.- 4: Biomass and Metabolic Activity of Heterotrophic Marine Bacteria.- 1. Introduction.- 2. Determination of Bacterial Number and Biomass.- 3. Determinations of Bacterial Activity.- 4. Discussion.- References.- 5: Starvation-Survival of Heterotrophs in the Marine Environment.- 1. Introduction.- 2. Background Information.- 3. Organic Matter in Oligotrophic Marine Waters.- 4. Starvation-Survival.- 5. Substrate Capture.- 6. Chemotaxis.- 7. ATP and Energy Charge.- 8. Substrate Uptake.- 9. Conclusions.- References.- 6: Are Solid Surfaces of Ecological Significance to Aquatic Bacteria?.- 1. Introduction.- 2. Characteristics of a Surface.- 3. Conditioning Films.- 4. Adhesion Mechanisms.- 5. Bacterial Nutrition Relative to the Trophic State of Waters.- 6. Ecological Advantages of Attachment.- 7. Succession and Microbial Film Development.- 8.ConcludingRemarks.- References.
