UID:
almahu_9948026411602882
Format:
1 online resource (533 p.)
Edition:
1st ed.
ISBN:
1-281-31142-1
,
9786611311421
,
0-08-052754-X
Series Statement:
Aquatic ecology series
Content:
Aquatic Ecosystems explains the interplay between various movements of matter and energy through ecosystems mediated by Dissolved Organic Matter. This book provides information on how much DOM there is in a particular aquatic ecosystem and where it originates. It explains whether the DOM composition varies from time to time and place to place. It also details how DOM becomes incorporated into microbial food webs, and gives a better, clarifying, understanding to its significance of DOM.Dissolved Organic Matter (called DOM) is incredibly important in all aquatic ecosystems. Althou
Note:
Description based upon print version of record.
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Front Cover; Aquatic Ecosystems Interactivity of Dissolved Organic Matter; Copyright Page; Contents; Contributors; Preface; SECTION ONE: SOURCES AND COMPOSITION; Chapter 1. Supply of Dissolved Organic Matter to Aquatic Ecosystems: Autochthonous Sources; I. Introduction; II. Algal Sources of Dissolved Organic Matter; III. Macrophyte Production of Dissolved Organic Matter; IV. Summary; References; Chapter 2. Sources, Production, and Regulation of Allochthonous Dissolved Organic Matter Inputs to Surface Waters; I. Introduction; II. Source, Production, and Fractions of Dissolved Organic Matter
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III. Regulation of Allochthonous Dissolved Organic Carbon and Dissolved Organic NitrogenReferences; Chapter 3. Trace Organic Moieties of Dissolved Organic Material in Natural Waters; I. Introduction; II. Tracers of the Source of DOM in Aquatic Ecosystems; III. Biogeochemical Processes: Interactions with Mineral Surfaces; IV. Biogeochemical Processes: Surface Water to Sediments; V. Conclusions; References; Chapter 4.The Role of Monomers in Stream Ecosystem Metabolism; I. Introduction; II. Monomer Sources and Concentrations; III. Factors Affecting Biological Lability; IV. Conclusions
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ReferencesChapter 5. Molecular Indicators of the Bioavailability of Dissolved Organic Matter; I. Introduction; II. Chemical Composition of Dissolved Organic Matter; III. Bioreactivity of Dissolved Organic Matter; IV. Relationships between the Chemical Composition and Bioreactivity of Dissolved Organic Matter; References; Chapter 6. Large-Scale Patterns in Dissolved Organic Carbon Concentration, Flux, and Sources; I. Introduction; II. Dissolved Organic Carbon Concentrations; III. Dissolved Organic Carbon Exports in Rivers and Streams; IV. Sources of Dissolved Organic Carbon
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V. Synthesis and Future Research NeedsReferences; Chapter 7. The Speciation of Hydrophobic Organic Compounds by Dissolved Organic Matter; I. Introduction; II. Theoretical Considerations; III. Analytical Methods for Measuring Kdom; IV. The Effect of Dissolved Organic Matter Composition on Hydrophobic Organic Contaminant Speciation; V. Effects of Dissolved Organic Matter on Hydrophobic Organic Contaminant Bioavailability to Aquatic Organisms; VI. Conclusions; References
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Chapter 8. Elemental Complexation by Dissolved Organic Matter in Lakes: Implications for Fe Speciation and the Bioavailability of Fe and PI. Introduction; II. Biological Importance of Fe; III. Biological Fe Demand in Brown- versus Clear-Water Systems; IV. DOM and Fe Chemistry in Freshwater; V. The DOM-Fe-P Complex in Lakes; VI. Factors Influencing the Bioavailability of Fe and P Bound to DOM; VII. Elemental Acquisition in Humic Lakes: Implications for Ecosystem Structure and Function; VIII. Conclusions; References; SECTION TWO: TRANSFORMATION AND REGULATION
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Chapter 9. The Contribution of Monomers and Other Low-Molecular Weight Compounds to the Flux of Dissolved Organic Material in Aquatic Ecosystems
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English
Additional Edition:
ISBN 1-4933-0045-8
Additional Edition:
ISBN 0-12-256371-9
Language:
English
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