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Microbial Communities in Coastal Sediments


Microbial Communities in Coastal Sediments
  • Author : Salom Gnana Thanga Vincent
  • Publisher : Elsevier
  • Release : 2021-06-24
  • ISBN : 9780128151655
  • Language : En, Es, Fr & De
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Microbial Communities in Coastal Sediments: Structure and Functions presents research gained on coastal microbiology over the past two decades. The book covers the source of organic matter, which is found to design sediment microbial communities, and goes on to consider the quality of this matter with regard to degradation in coastal sediment. The book explores human induced changes in coastal ecosystems, then later focuses on the availability of nutrients, source of persistent organic pollutants (POPs) in the sediment, and the sequencing of microbial structures and functions when using molecular tools. Despite the years of research, this is the first book to focus purely on coastal microbes in coastal ecosystems. As such, it is for gaining a better understanding of the diversity and functions of different types of microbes in coastal ecosystems across the globe. The book outlines the microbial community structure in marine sediments while also elaborating on the methods of assessment of the microbial community, making it of great relevance to aquatic microbiologists, marine ecologists, marine microbiologists, aquatic researchers, and scientists alike. Presents data on physico-chemical and biological features of coastal ecosystems and microbial community composition, allowing researchers to compare their data with pre-existing data Includes unique figures, schematic diagrams and photographs related to microbial processes of coastal ecosystems, providing a clear representation on the different aspects of microbial structure and functions Provides analytical methods and detailed molecular techniques for qualitative and quantitative analyses of microbial community structure, enabling scientists and students to follow the protocols provided in the book for assessment in their own research

Microbial Communities in Coastal Sediments


Microbial Communities in Coastal Sediments
  • Author : Salom Gnana Thanga Vincent
  • Publisher : Elsevier
  • Release : 2021-06-10
  • ISBN : 9780128151662
  • Language : En, Es, Fr & De
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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

Performance Assessment and Enrichment of Anaerobic Methane Oxidizing Microbial Communities from Marine Sediments in Bioreactors


Performance Assessment and Enrichment of Anaerobic Methane Oxidizing Microbial Communities from Marine Sediments in Bioreactors
  • Author : Susma Bhattarai Gautam
  • Publisher : CRC Press
  • Release : 2018-09-03
  • ISBN : 9780429826467
  • Language : En, Es, Fr & De
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Anaerobic oxidation of methane (AOM) coupled to sulfate reduction (AOM-SR) is a biological process mediated by anaerobic methanotrophs (ANME) and sulfate reducing bacteria. It has scientifi c and societal relevance in regulating the global carbon cycle and biotechnological application for treating sulfate-rich wastewater. This research aimed to enhance the recent knowledge on ANME distribution and its enrichment in different bioreactor confi gurations, i.e. membrane bioreactor (MBR), biotrickling fi lter (BTF) and high pressure bioreactor (HPB). Marine sediment from Ginsburg mud volcano, Gulf of Cadiz was used as inoculum in the BTF and MBR. The BTF operation showed the enrichment of ANME in the biofi lm, especially ANME-1 (40%) and ANME-2 (10%). Whereas, the dominancy of ANME-2 and Desulfosarcina aggregates was observed in the MBR. Moreover, HPB study was performed by using highly enriched ANME-2 community from Captain Arutyunov mud volcano. During the study of HPB at different temperature and pressure conditions, the incubation at 10 MPa pressure and 15 ̊C was observed to be the most suitable condition for the studied AOM-SR community. Furthermore, AOM-SR activity in the coastal sediments from marine Lake Grevelingen (the Netherlands) was explored and the microbial community was characterised which was dominated by ANME-3 among known ANME types.

Studies of the Biogeochemistry of Typical Estuaries and Bays in China


Studies of the Biogeochemistry of Typical Estuaries and Bays in China
  • Author : Zhiliang Shen
  • Publisher : Springer
  • Release : 2019-03-09
  • ISBN : 9783662581698
  • Language : En, Es, Fr & De
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This book presents study findings involving the Changjiang River estuary and Jiaozhou Bay, China, etc. It takes a large catchment as a combined ecosystem to study nutrients biogeochemistry and environmental aspects of the Changjiang River. Some of the findings have sparked new research directions, including systematic studies of nutrients in the Changjiang River; sources and control mechanisms of nitrogen and phosphorus in the Changjiang River and its estuary; removal and transport of nutrients in the turbidity maximum zone and upwelling area of the Changjiang estuary; long-term changes in nutrients and ecological responses in the Changjiang River estuary and Jiaozhou Bay; and a study on nutrient structure and nutrient composition of phytoplankton, which are topics at the forefront ofinternational marine The studies address different fields, such as biogeochemistry, marine chemistry, ecology, environmental science, oceanography and biology.

Performance Assessment and Enrichment of Anaerobic Methane Oxidizing Microbial Communities from Marine Sediments in Bioreactors


Performance Assessment and Enrichment of Anaerobic Methane Oxidizing Microbial Communities from Marine Sediments in Bioreactors
  • Author : Susma Bhattarai Gautam
  • Publisher : CRC Press
  • Release : 2018-08-20
  • ISBN : 9780429826450
  • Language : En, Es, Fr & De
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Anaerobic oxidation of methane (AOM) coupled to sulfate reduction (AOM-SR) is a biological process mediated by anaerobic methanotrophs (ANME) and sulfate reducing bacteria. It has scientifi c and societal relevance in regulating the global carbon cycle and biotechnological application for treating sulfate-rich wastewater. This research aimed to enhance the recent knowledge on ANME distribution and its enrichment in different bioreactor confi gurations, i.e. membrane bioreactor (MBR), biotrickling fi lter (BTF) and high pressure bioreactor (HPB). Marine sediment from Ginsburg mud volcano, Gulf of Cadiz was used as inoculum in the BTF and MBR. The BTF operation showed the enrichment of ANME in the biofi lm, especially ANME-1 (40%) and ANME-2 (10%). Whereas, the dominancy of ANME-2 and Desulfosarcina aggregates was observed in the MBR. Moreover, HPB study was performed by using highly enriched ANME-2 community from Captain Arutyunov mud volcano. During the study of HPB at different temperature and pressure conditions, the incubation at 10 MPa pressure and 15 ̊C was observed to be the most suitable condition for the studied AOM-SR community. Furthermore, AOM-SR activity in the coastal sediments from marine Lake Grevelingen (the Netherlands) was explored and the microbial community was characterised which was dominated by ANME-3 among known ANME types.