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  • 1
    Keywords: Submarine geology ; Electronic books ; Electronic books
    Description / Table of Contents: Presents decades of research that explores the Earth under the Sea
    Type of Medium: Online Resource
    Pages: Online-Ressource (829 p)
    ISBN: 9780444626172
    Series Statement: Developments in Marine Geology v.7
    DDC: 551.46
    Language: English
    Note: Description based upon print version of record , Front Cover; Earth and Life Processes Discovered from Subseafloor Environments; Copyright; Contents; Contributors; Preface; Acknowledgments; List of Reviewers; Chapter 1 - Major Scientific Achievements of the Integrated Ocean Drilling Program: Overview and Highlights; 1.1 INTRODUCTION; 1.2 THE DEEP BIOSPHERE AND THE SUBSEAFLOOR OCEAN (INITIATIVES IN DEEP BIOSPHERE AND GAS HYDRATES); 1.3 ENVIRONMENTAL CHANGE, PROCESSES, AND EFFECTS (INITIATIVES IN EXTREME CLIMATES AND RAPID CLIMATE CHANGE) , 1.4 SOLID EARTH CYCLES AND GEODYNAMICS (INITIATIVES IN CONTINENTAL BREAKUP AND SEDIMENTARY BASIN FORMATION, LIPS, 21ST CENTURY M...1.5 BOREHOLE OBSERVATORY ACCOMPLISHMENTS; REFERENCES; Chapter 2 New Frontier of Subseafloor Life and the Biosphere; Chapter 2.1 Exploration of Subseafloor Lifeand the Biosphere ThroughIODP (2003-2013); 2.1.1 BACKGROUND: THE DEEP SUBSEAFLOOR BIOSPHERE; 2.1.2 IODP EXPEDITIONS RELATIVE TO THE DEEP-BIOSPHERE RESEARCH; 2.1.3 SAMPLE STORAGE FOR THE FUTURE DEEP-BIOSPHERE RESEARCH; 2.1.4 CONCLUSION AND PERSPECTIVES; ACKNOWLEDGMENTS; REFERENCES , Chapter 2.2.1 - Biomass, Diversity, and Metabolic Functions of Subseafloor Life: Detection and Enumeration of Microbial Cells in Subseafloor SedimentDetection and Enumeration of Microbial Cells in Subseafloor Sediment; 2.2.1.1 THE HISTORY OF DETECTION AND ENUMERATION OF MICROBIAL CELLS IN DEEP SUBSEAFLOOR SEDIMENT; 2.2.1.2 TECHNICAL CHALLENGES IN ESTIMATING BIOMASS AND MICROBIAL DIVERSITY IN SUBSEAFLOOR ENVIRONMENTS; 2.2.1.3 COUNTING STATISTICS; 2.2.1.4 OVERCOMING THE LIMITATIONS; 2.2.1.5 COMBATING CONTAMINATION; 2.2.1.6 LOWERING THE QUANTIFICATION LIMIT , 2.2.1.7 POTENTIAL ALTERNATIVES FOR DETECTING LIFE IN SUBSURFACE ENVIRONMENTS2.2.1.8 CONCLUDING REMARKS; REFERENCES; Chapter 2.2.2 - Genetic Evidence of Subseafloor Microbial Communities; 2.2.2.1 RIBOSOMAL RNA AS PHYLOGENETIC MARKER; 2.2.2.2 FUNCTIONAL GENES; 2.2.2.3 METAGENOMIC INVESTIGATIONS OF COMPLEX SUBSEAFLOOR COMMUNITIES; REFERENCES; Chapter 2.3 - The Underground Economy (Energetic Constraints of Subseafloor Life); 2.3.1 INTRODUCTION; 2.3.2 ENERGY-CONSERVING ACTIVITIES IN MARINE SEDIMENT; 2.3.3 LIFE UNDER EXTREME ENERGY LIMITATION; 2.3.4 DISCUSSION; 2.3.5 CONCLUSIONS; ACKNOWLEDGMENTS , REFERENCESChapter 2.4 - Life at Subseafloor Extremes; 2.4.1 INTRODUCTION; 2.4.2 POSSIBLE PHYSICAL AND CHEMICAL CONSTRAINTS ON LIFE IN SUBSEAFLOOR ENVIRONMENTS; 2.4.3 CHALLENGE FOR LIMITS OF BIOSPHERE IN OCEAN DRILLING EXPEDITIONS OF ODP AND IODP; 2.4.4 THERMODYNAMIC ESTIMATION OF ABUNDANCE AND COMPOSITION OF MICROBIAL METABOLISMS IN SUBSEAFLOOR BOUNDARY BIOSPHERE; 2.4.5 CONCLUDING REMARKS AND PERSPECTIVES; REFERENCES; Chapter 2.5 - Life in the Ocean Crust: Lessons from Subseafloor Laboratories; 2.5.1 INTRODUCTION , 2.5.2 GENERAL OVERVIEW OF THE DIVERSITY, ACTIVITY, AND ABUNDANCE OF MICROBIAL LIFE IN IGNEOUS OCEANIC CRUST
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  • 2
    In: Geomicrobiology journal, London [u.a.] : Taylor & Francis, 1978, 25(2008), 1, Seite 56-66, 1521-0529
    In: volume:25
    In: year:2008
    In: number:1
    In: pages:56-66
    Description / Table of Contents: The importance of crustal fluid chemical composition in driving the marine deep subseafloor biosphere was examined in northeast Pacific ridge-flank sediments. At IODP Site U1301, sulfate from crustal fluids diffuses into overlying sediments, forming a transition zone where sulfate meets in situ-produced methane. Enhanced cell counts and metabolic activity suggest that sulfate stimulates microbial respiration, specifically anaerobic methane oxidation coupled to sulfate reduction. Cell counts and activity are also elevated in basement-near layers. Owing to the worldwide expansion of the crustal aquifer, we postulate that crustal fluids may fuel the marine deep subseafloor biosphere on a global scale.
    Type of Medium: Online Resource
    Pages: graph. Darst
    ISSN: 1521-0529
    Language: English
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