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Author: Salom Gnana Thanga Vincent Publisher: Elsevier ISBN: 0128151668 Category : Science Languages : en Pages : 206
Book Description
A concise reference on the structural composition and function of microbial communities in coastal environments, especially in relation to natural and anthropogenic impacts. Microbial Communities in Coastal Sediments presents twenty years of coastal microbiology research, grounding it as a vital development in the field of microbial ecology. It is the first book to focus exclusively on the complex microbial ecology and its function in rest of the marine environment. The book outlines the structure, function, and assessment of microbial communities in marine sediments while exploring practical methods of assessment. It is an invaluable resource to aquatic microbiologists, marine ecologists, marine microbiologists, aquatic researchers, and graduate students in this field. Microbial Communities in Coastal Sediments begins with an examination of nutrient sources in the coastal context with a focus on organic matter inputs. The quantity and quality of organic matter in coastal sediments and their impacts on the composition and formation of microbial communities is discussed. The book explores the consequences of anthropogenic changes and human activity on microbial ecology and nutrient cycling. Sections on nutrient availability, green house gas production and biodegradation of persistent organic pollutants provide essential details. Molecular research techniques and methods for assessing microbial community structure and function in coastal sediments are also covered. Explores the interplay of physicochemical and biological features of coastal ecosystems on microbial community composition to provide a template of comparison for field research Includes unique figures, schematic diagrams and photographs related to microbial processes of coastal ecosystem to clearly represent different aspects of microbial structure and functions Provides analytical methods and detailed molecular techniques for qualitative and quantitative analyses of microbial community structure
Author: Salom Gnana Thanga Vincent Publisher: Elsevier ISBN: 0128151668 Category : Science Languages : en Pages : 206
Book Description
A concise reference on the structural composition and function of microbial communities in coastal environments, especially in relation to natural and anthropogenic impacts. Microbial Communities in Coastal Sediments presents twenty years of coastal microbiology research, grounding it as a vital development in the field of microbial ecology. It is the first book to focus exclusively on the complex microbial ecology and its function in rest of the marine environment. The book outlines the structure, function, and assessment of microbial communities in marine sediments while exploring practical methods of assessment. It is an invaluable resource to aquatic microbiologists, marine ecologists, marine microbiologists, aquatic researchers, and graduate students in this field. Microbial Communities in Coastal Sediments begins with an examination of nutrient sources in the coastal context with a focus on organic matter inputs. The quantity and quality of organic matter in coastal sediments and their impacts on the composition and formation of microbial communities is discussed. The book explores the consequences of anthropogenic changes and human activity on microbial ecology and nutrient cycling. Sections on nutrient availability, green house gas production and biodegradation of persistent organic pollutants provide essential details. Molecular research techniques and methods for assessing microbial community structure and function in coastal sediments are also covered. Explores the interplay of physicochemical and biological features of coastal ecosystems on microbial community composition to provide a template of comparison for field research Includes unique figures, schematic diagrams and photographs related to microbial processes of coastal ecosystem to clearly represent different aspects of microbial structure and functions Provides analytical methods and detailed molecular techniques for qualitative and quantitative analyses of microbial community structure
Author: Publisher: American Geophysical Union ISBN: 087590274X Category : Science Languages : en Pages : 391
Book Description
Marine sediments support complex interactions between macro-and microorganisms that have global implications for carbon and nutrient cycles. What is the state of the science on such interactions from coastal and estuarine environments to the deep sea? How does such knowledge effect environmental management? And what does future research hold in store for scientists, engineers, resource managers, and educators?Interactions between Macro- and Microorganisms in Marine Sediments responds to these questions, and more, by focusing on:? Interactions between plants, microorganisms, and marine sediment? Interactions between animals, microorganisms, and marine sediment? Interactions between macro- and microorganisms and the structuring of benthic communities? Impact of macrobenthic activity on microbially-mediated geochemical cycles in sediments? Conceptual and numeric models of diagenesis that incorporate interactions between macro- and microorganismsHere is an authoritative overview of the research, experimentation and modeling approaches now in use in our rapidly evolving understanding of life in marine sediments.
Author: Stephen P. Hubbell Publisher: Princeton University Press ISBN: 1400837529 Category : Science Languages : en Pages : 390
Book Description
Despite its supreme importance and the threat of its global crash, biodiversity remains poorly understood both empirically and theoretically. This ambitious book presents a new, general neutral theory to explain the origin, maintenance, and loss of biodiversity in a biogeographic context. Until now biogeography (the study of the geographic distribution of species) and biodiversity (the study of species richness and relative species abundance) have had largely disjunct intellectual histories. In this book, Stephen Hubbell develops a formal mathematical theory that unifies these two fields. When a speciation process is incorporated into Robert H. MacArthur and Edward O. Wilson's now classical theory of island biogeography, the generalized theory predicts the existence of a universal, dimensionless biodiversity number. In the theory, this fundamental biodiversity number, together with the migration or dispersal rate, completely determines the steady-state distribution of species richness and relative species abundance on local to large geographic spatial scales and short-term to evolutionary time scales. Although neutral, Hubbell's theory is nevertheless able to generate many nonobvious, testable, and remarkably accurate quantitative predictions about biodiversity and biogeography. In many ways Hubbell's theory is the ecological analog to the neutral theory of genetic drift in genetics. The unified neutral theory of biogeography and biodiversity should stimulate research in new theoretical and empirical directions by ecologists, evolutionary biologists, and biogeographers.
Author: Élise Châtillon Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
Microbial communities in marine coastal sediment provide ecosystem services by driving essential processes including biogeochemical cycles, organic matter and pollutant degradation. In the land-sea continuum, we hypothesize that the microbial community structure and function inhabiting marine coastal ecosystems are influenced by soil runoff they receive. In order to verify the hypothesis, an experimental ecology approach was set up mimicking soil runoff within hydrocarbon (HC) contaminated land-sea continuum in microcosms. The community diversity analysis provided evidences of community coalescence (i.e. mixing of entire communities and their surrounding environments) when marine coastal sediments receive terrigenous inputs via soil runoff. The functional potential of sediment microbial communities and the removal of HC were unchanged by the terrigenous inputs. The gene variants (GVs) composition and the co-occurrence network of sediment microbial communities receiving soil runoff were modified. However, GVs encode the same function found in sediment microbial communities not influenced by soil runoff, revealing functional redundancy. Amplicon sequence variants (ASVs) and GVs were specifically associated to sediment receiving terrigenous inputs, and thus identified as indicators of community coalescence. Soil runoff was demonstrated as a plasmid reservoir, suggesting possible horizontal gene transfer mediated by plasmid during coalescence event. Our results show that community coalescence play crucial role in the organization of microbial communities in marine coastal sediment. Better understanding the coalescence mechanisms will provide useful information for the monitoring and management of coastal environment affected by human land-based activities.
Author: Josep M. Gasol Publisher: John Wiley & Sons ISBN: 1119107202 Category : Science Languages : en Pages : 663
Book Description
The newly revised and updated third edition of the bestselling book on microbial ecology in the oceans The third edition of Microbial Ecology of the Oceans features new topics, as well as different approaches to subjects dealt with in previous editions. The book starts out with a general introduction to the changes in the field, as well as looking at the prospects for the coming years. Chapters cover ecology, diversity, and function of microbes, and of microbial genes in the ocean. The biology and ecology of some model organisms, and how we can model the whole of the marine microbes, are dealt with, and some of the trophic roles that have changed in the last years are discussed. Finally, the role of microbes in the oceanic P cycle are presented. Microbial Ecology of the Oceans, Third Edition offers chapters on The Evolution of Microbial Ecology of the Ocean; Marine Microbial Diversity as Seen by High Throughput Sequencing; Ecological Significance of Microbial Trophic Mixing in the Oligotrophic Ocean; Metatranscritomics and Metaproteomics; Advances in Microbial Ecology from Model Marine Bacteria; Marine Microbes and Nonliving Organic Matter; Microbial Ecology and Biogeochemistry of Oxygen-Deficient Water Columns; The Ocean’s Microscale; Ecological Genomics of Marine Viruses; Microbial Physiological Ecology of The Marine Phosphorus Cycle; Phytoplankton Functional Types; and more. A new and updated edition of a key book in aquatic microbial ecology Includes widely used methodological approaches Fully describes the structure of the microbial ecosystem, discussing in particular the sources of carbon for microbial growth Offers theoretical interpretations of subtropical plankton biogeography Microbial Ecology of the Oceans is an ideal text for advanced undergraduates, beginning graduate students, and colleagues from other fields wishing to learn about microbes and the processes they mediate in marine systems.
Author: Robert E. Riding Publisher: Springer Science & Business Media ISBN: 9783540618287 Category : Science Languages : en Pages : 344
Book Description
Microbes are of key importance in the production, deposition and diagenesis of sediments. This volume provides a comprehensive overview of microbial sediments. It contains authoritative and stimulating contributions by distinguished authors that cover the field and set the scene for future advances. It deals with mats and biofilms, biosedimentary precipitates, fabrics and diagenesis in a wide range of sedimentary environments, and it examines the development of microbial sediments through time. It is designed for postgraduate researchers and professional scientists who require up-to-date information on the influence of microorganisms on sedimentation.
Author: Daniel Friess Publisher: Elsevier ISBN: 0128164379 Category : Science Languages : en Pages : 650
Book Description
Dynamic Sedimentary Environments of Mangrove Coasts provides knowledge on the importance of sedimentary dynamics in managing mangrove forests. In the first part of the book, the editors seamlessly offer a general introduction of mangrove sedimentary dynamics. This leads into more in-depth information on soil surface elevation change, sea level rise, and the importance of sedimentary dynamics in the loss or gain of blue carbon. The book concludes the discussion of mangrove sedimentary dynamics by addressing the issues of climate change (e.g. sea level rise and blue carbon) on mangrove restoration and sediment. This book will assist coastal managers and academics in addressing the gaps in mangrove restoration and coastal management. As such, it will be a valuable reference for advanced undergraduate students, graduate students, researchers, academics in the field of coastal restoration, and coastal management practitioners. Provides a state-of-the-art summary of research into sedimentary dynamics in mangrove forests Includes updates on issues of climate change-relevant to mangroves, such as blue carbon and sea level rise Presents scientific background and successful case studies for mangrove restoration that can solve problems relating to mangrove management
Author: Gary W. Brunette Publisher: Oxford University Press, USA ISBN: 0199379157 Category : Medical Languages : en Pages : 689
Book Description
Provides U.S. official health recommendations for travelers, offering country-specific information, disease maps, where to find health care while traveling, and health advice for popular destinations.
Author: Brandi Kiel Reese Publisher: ISBN: Category : Languages : en Pages :
Book Description
The overall objective of the research presented here was to combine multiple geochemical parameters and molecular characterizations to provide a novel view of active microbial community ecology of sediments in a large-river deltaic estuary. In coastal and estuarine environments, a large portion of benthic respiration has been attributed to sulfate reduction and implicated as an important mechanism in hypoxia formation. The use of high-resolution sampling of individual sediment cores and high throughput nucleic acid extraction techniques combined with 454 FLX sequencing provided a robust understanding of the metabolically active benthic microbial community within coastal sediments. This was used to provide further understanding and show the importance of simultaneously analyzing the connectivity of sulfur and iron cycling to the structure and function of the microbial population. Although aqueous sulfide did not accumulate in the sediments of the northern Gulf of Mexico, active sulfate reduction was observed in all locations sampled. Microbial recycling and sequestration as iron sulfides prevented the release of sulfide from the sediment. Prominent differences were observed between the sample locations and with depth into the sediment column. This study emphasized the importance of combining novel molecular techniques with simultaneous traditional geochemical measurements to show the interdependence of microbiology and geochemistry. In addition, this study highlights the need to consider microbial community biogeography along with small-scale variations in geochemistry and biology that impact the overall cycling of redox elements when constructing biogeochemical models in marine sediments.
Author: Salom Gnana Thanga Vincent
Author: Salom Gnana Thanga Vincent
Author: Savvas Genitsaris
Author: 
Author: Stephen P. Hubbell
Author: Élise Châtillon
Author: Josep M. Gasol
Author: Robert E. Riding
Author: Daniel Friess
Author: Gary W. Brunette
Author: Brandi Kiel Reese