Past And Present Water Column Anoxia
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Past And Present Water Column Anoxia
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Author : Lev N. Neretin
language : en
Publisher: Springer Science & Business Media
Release Date : 2006
Past And Present Water Column Anoxia written by Lev N. Neretin and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Hypoxia (Water) categories.
Encyclopedia Of Astrobiology
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Author : Muriel Gargaud
language : en
Publisher: Springer Nature
Release Date : 2023-07-27
Encyclopedia Of Astrobiology written by Muriel Gargaud and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-27 with Science categories.
Now in its third edition the Encyclopedia of Astrobiology serves as the key to a common understanding in the extremely interdisciplinary community of astrobiologists. Each new or experienced researcher and graduate student in adjacent fields of astrobiology will appreciate this reference work in the quest to understand the big picture. The carefully selected group of active researchers contributing to this work are aiming to give a comprehensive international perspective on and to accelerate the interdisciplinary advance of astrobiology. The interdisciplinary field of astrobiology constitutes a joint arena where provocative discoveries are coalescing concerning, e.g. the prevalence of exoplanets, the diversity and hardiness of life, and its chances for emergence. Biologists, astrophysicists, (bio)-chemists, geoscientists and space scientists share this exciting mission of revealing the origin and commonality of life in the Universe. With its overview articles and its definitions the Encyclopedia of Astrobiology not only provides a common language and understanding for the members of the different disciplines but also serves for educating a new generation of young astrobiologists who are no longer separated by the jargon of individual scientific disciplines. This new edition offers ~170 new entries. More than half of the existing entries were updated, expanded or supplemented with figures supporting the understanding of the text. Especially in the fields of astrochemistry and terrestrial extremophiles but also in exoplanets and space sciences in general there is a huge body of new results that have been taken into account in this new edition. Because the entries in the Encyclopedia are in alphabetical order without regard for scientific field, this edition includes a section “Astrobiology by Discipline” which lists the entries by scientific field and subfield. This should be particularly helpful to those enquiring about astrobiology, as it illustrates the broad and detailed nature of the field.
The Microbial Nitrogen Cycle
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Author : Bess B Ward
language : en
Publisher: Frontiers Media SA
Release Date : 2015-01-17
The Microbial Nitrogen Cycle written by Bess B Ward and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-01-17 with Microbial ecology categories.
Nitrogen is an essential element in biological systems, and one that often limits production in both aquatic and terrestrial systems. Due to its requirement in biological macromolecules, its acquisition and cycling have the potential to structure microbial communities, as well as to control productivity on the ecosystem scale. In addition, its versatile redox chemistry is the basis of complex biogeochemical transformations that control the inventory of fixed nitrogen, both in local environments and over geological time. Although many of the pathways in the microbial nitrogen cycle were described more than a century ago, additional fundamental pathways have been discovered only recently. These findings imply that we still have much to learn about the microbial nitrogen cycle, the organisms responsible for it, and their interactions in natural and human environments. Progress in nitrogen cycle research has been facilitated by recent rapid technological advances, especially in genomics and isotopic approaches. In this Research Topic, we reviewed the leading edge of nitrogen cycle research based on these approaches, as well as by exploring microbial processes in modern ecosystems.
Modern And Ancient Continental Shelf Anoxia
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Author : Richard V. Tyson
language : en
Publisher: Geological Society Publishing House
Release Date : 1991
Modern And Ancient Continental Shelf Anoxia written by Richard V. Tyson and has been published by Geological Society Publishing House this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Nature categories.
Oceanology
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Author :
language : en
Publisher:
Release Date : 2006
Oceanology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Oceanography categories.
Anoxia
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Author : Alexander Altenbach
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-10-20
Anoxia written by Alexander Altenbach and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-10-20 with Science categories.
ANOXIA defines the lack of free molecular oxygen in an environment. In the presence of organic matter, anaerobic prokaryotes produce compounds such as free radicals, hydrogen sulfide, or methane that are typically toxic to aerobes. The concomitance of suppressed respiration and presence of toxic substances suggests these habitats are inhospitable to Eukaryota. Ecologists sometimes term such environments 'Death Zones'. This book presents, however, a collection of remarkable adaptations to anoxia, observed in Eukaryotes such as protists, animals, plants and fungi. Case studies provide evidence for controlled beneficial use of anoxia by, for example, modification of free radicals, use of alternative electron donors for anaerobic metabolic pathways, and employment of anaerobic symbionts. The complex, interwoven existence of oxic and anoxic conditions in space and time is also highlighted as is the idea that eukaryotic inhabitation of anoxic habitats was established early in Earth history.
The British National Bibliography
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Author : Arthur James Wells
language : en
Publisher:
Release Date : 2006
The British National Bibliography written by Arthur James Wells and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Bibliography, National categories.
Encyclopedia Of Estuaries
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Author : Michael J. Kennish
language : en
Publisher: Springer
Release Date : 2015-08-17
Encyclopedia Of Estuaries written by Michael J. Kennish and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-08-17 with Science categories.
The Encyclopedia of Estuaries, part of Springer's Encyclopedia of Earth Sciences Series, provides a single, state-of-the-art, comprehensive reference volume on estuaries for research scientists, educators, students, and others. Consisting of almost 270 subject entries in an easy-to-use format, this volume covers the physical, chemical, and biological characteristics of estuaries. In total more than 225 authors from around the world have contributed to the encyclopedia on such diverse subjects as biotic communities, essential habitats, food webs, fisheries, hydrology, pollution, conservation, and many more. The Encyclopedia of Estuaries will meet the needs of professionals worldwide by supplying detailed information from world-class estuarine and marine scientists as well as experts from other fields of study.
Indian Ocean Biogeochemical Processes And Ecological Variability
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Author : Jerry D. Wiggert
language : en
Publisher: American Geophysical Union
Release Date : 2009-01-12
Indian Ocean Biogeochemical Processes And Ecological Variability written by Jerry D. Wiggert and has been published by American Geophysical Union this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-01-12 with Nature categories.
Indian Ocean Biogeochemical Processes and Ecological Variability provides a unique synthesis of current knowledge on Indian Ocean biogeochemistry and ecology, and an introduction of new concepts and topical paradigm challenges. It also reports on the development of more extensive/frequent observational capacity being deployed in the Indian Ocean. This book The volume is derived from invited plenary talks that were presented at the initial SIBER workshop held at the National Institute of Oceanography (NIO) in Goa, India in October 2006. It includes contributions from some of the most esteemed oceanographers and Indian Ocean experts in the world. This volume will be valuable to academic and governmental researchers interested in oceanographic, atmospheric and hydrological questions and the interfaces between these processes that are prevalent within the Earth system and which are especially relevant to understanding the complex interactions in the Indian Ocean. The volume discusses: y The overlying physical processes set by monsoonal forcing and how these control biological production and variability y Nutrient cycling and limitation y Pelagic carbon cycling and air-sea exchange y Benthic biogeochemistry and ecology y The impact of climate and human activities on biogeochemistry and ecosystems.
The Ordovician Earth System
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Author : Stanley Charles Finney
language : en
Publisher:
Release Date : 2010
The Ordovician Earth System written by Stanley Charles Finney and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Science categories.
"The Ordovician period is a significant chapter in Earth's history that included the great Mid-Ordovician biodiversification event, the Hirnantian glaciation, and long-term greenhouse conditions. Ordovician rocks are widespread on most continents and the recent finalization of a modern chronostratigraphic classification of the Ordovician system now facilitates high-resolution correlations that allow for integrated multidisciplinary research. The diverse papers comprising this volume address orogenesis, paleogeography, climate modeling, sedimentation, biodiversity, and isotopic excursions; together they promote an integrated view of the Ordovician earth system."--Publisher's description.