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The Role of Organic Matter in Structuring Microbial Communities (Awwa Research Foundation Reports)

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Published by Awwarf .
Written in English


  • Biochemistry,
  • Microbiology (non-medical),
  • Life Sciences - Biology - Microbiology,
  • Science,
  • Science/Mathematics,
  • Life Sciences - Biochemistry

Book details:

The Physical Object
Number of Pages116
ID Numbers
Open LibraryOL8930603M
ISBN 101843398974
ISBN 109781843398974

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The Role of Organic Matter in Structuring Microbial Communities Pasta blanda – 4 mayo por Louis A Kaplan (Autor), Meredith Hullar (Autor), Laura Sappelsa (Autor) & Format: Pasta blanda. The role and function of organic amendments in modern agricultural systems have become topics of major interest in the scientific and agricultural communities. Research work on residue disposal has provided new concepts on the interaction between organic components and soils as well as new handling technologies (e. g. pelletizing of organic.   Thus, improving soil structure is mandatory as it mediates a range of soil biological and physical processes. This study evaluated the roles of organic amendments and microbial community in the improvement of soil structure of an expansive clay soil, locally called as . The role of microorganisms in the cycling of sedimentary organic carbon is a crucial one. To better understand relationships between molecular composition of a potentially bioavailable fraction of organic matter and microbial populations, bacterial and archaeal communities were characterized using pyrosequencing-based 16S rRNA gene analysis in surface (top 30 cm) and subsurface/deeper.

Introduction. Organic carbon is one of the most fundamental factors shaping marine sediment microbial communities (Jorgensen et al., ).However, sediment organic matter (OM) is a complex and heterogeneous mixture of high- and low-molecular-weight organic carbon compounds derived from multiple sources (for example, marine or terrestrial) at different states of degradation.   Soil microorganisms regulate multiple input and loss pathways of soil carbon (C); hence, changes in microbial communities are expected to affect soil organic matter (SOM) cycling and storage. Despite this, very little is known about how microbes respond to changes in soil structure and vegetation with land use and land cover change. Organic matter processing by microbial communities throughout the Atlantic water column as revealed by metaproteomics Kristin Bergauera,1, Antonio Fernandez-Guerrab,c, Juan A. L. Garciaa, Richard R. Sprengerd, Ramunas Stepanauskase, Maria G. Pachiadakie, Ole N. Jensend, and Gerhard J. Herndla,f,g aDepartment of Limnology and Bio-Oceanography, University of Vienna, A Vienna, Austria. Organic matter is mainly present in the top 20–30 cm of most soil profiles and is essentially an array of organic macromolecules consisting principally of combinations of carbon, oxygen, hydrogen, nitrogen, phosphorus and sulphur. Soil organic matter is commonly measured as the quantity of organic carbon.

Microbial fuel cells (MFCs) offer the potential for generating electricity, mitigating greenhouse gas emissions, and bioremediating pollutants through utilization of a plentiful, natural, and renewable resource: soil organic carbon. In the current study, we analyzed microbial community structure, MFC performance, and soil characteristics in different microhabitats (bulk soil, anode, and. 4 The Role of Microbial Communities in the Formation and Decomposition 83 It has been shown that 64–86% of root exudates are rapidly respired by rhizosphere microorganisms (Hutsch et al. ). However, the remainder of the added organic matter, together with organic compounds synthesised by soil microorganisms and fauna. Wetzel R.G., Søndergaard M. () Role of Submerged Macrophytes for the Microbial Community and Dynamics of Dissolved Organic Carbon in Aquatic Ecosystems. In: Jeppesen E., Søndergaard M., Søndergaard M., Christoffersen K. (eds) The Structuring Role of Submerged Macrophytes in Lakes. Ecological Studies (Analysis and Synthesis), vol 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.