Dissolved Organic Matter In Lacustrine Ecosystems
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Dissolved Organic Matter In Lacustrine Ecosystems
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Author : K. Salonen
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Dissolved Organic Matter In Lacustrine Ecosystems written by K. Salonen 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 2012-12-06 with Science categories.
Concentrations of dissolved organic matter (DOM) in lakes are often an order of magnitude greater than concentrations of particulate organic matter; nevertheless, the biogeochemical analysis of DOM is described in only a few textbooks on limnology (most thoroughly by Wetzel). The orgins of dissolved organic substances are largely photosynthetic; DOM is either autochthonously synthesized by littoral and pelagic flora through secretions and autolysis of cellular contents, or allochthonously generated in terrestrial systems of the drainage basin, composing largely of humic substances refractory to rapid microbial degradation. The role of DOM in lacustrine ecosystems, as energy source and system regulator, however, is still poorly known. The aim of this book is: (1) to present state-of-the-art reviews of the role of dissolved autochthonous and allochthonous organic matter in pelagial and littoral zones; and (2) to focus attention on poorly understood but critical topics and hence to provide direction for future research activity.
Aquatic Ecosystems Interactivity Of Dissolved Organic Matter
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Author : Stuart Findlay
language : en
Publisher: Academic Press
Release Date : 2003
Aquatic Ecosystems Interactivity Of Dissolved Organic Matter written by Stuart Findlay and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Nature categories.
Overviews of the source, supply and variability of DOM, surveys of the processes that mediate inputs to microbial food webs, and syntheses consolidating research findings provide a comprehensive review of what is known of DOM in freshwater. This book will be important to anyone interested in understanding the fundamental factors associated with DOM that control aquatic ecosystems."--BOOK JACKET.
Microbial Utilization And Transformation Of Dissolved Organic Matter In Aquatic Environments From Streams To The Deep Ocean
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Author : Johanna Sjöstedt
language : en
Publisher: Frontiers Media SA
Release Date : 2021-07-28
Microbial Utilization And Transformation Of Dissolved Organic Matter In Aquatic Environments From Streams To The Deep Ocean written by Johanna Sjöstedt 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 2021-07-28 with Science categories.
Suspended And Dissolved Solids Effects On Freshwater Biota
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Author : Darwin L. Sorensen
language : en
Publisher:
Release Date : 1977
Suspended And Dissolved Solids Effects On Freshwater Biota written by Darwin L. Sorensen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Aquatic organisms categories.
The Dynamics And Use Of Lacustrine Ecosystems
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Author : V. Ilmavirta
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Dynamics And Use Of Lacustrine Ecosystems written by V. Ilmavirta 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 2012-12-06 with Science categories.
Limnology is increasingly concerned with water supply and the relation of man to aquatic environments. Without the continued availability of pure water, all progress in technology and other fields of human life will be to no avail. The global problems concerning clear water are already extremely pressing. More limnology knowledge is needed to solve these problems. The responsibility of man to save water and to take more intensive care of the environment is raised in many of the papers, in this book. This emphasizes the necessary and unquestionable relevance of limnology to human society. Too often the abuse of water usage reflects the neglect of scientific results. Limnologists have a responsibility to ensure that administrators understand what is going on. The coverage of the book is wide, including papers on microbiology to engineering sciences. The biology of waters is handled at both species and ecosystem levels. The geographical distribution of topics ranges from the tropics to northern temperate areas. In fact, limnology is increasingly becoming a science which is, rightly, relevant to everyday life, not just an academic subject.
Arctic And Alpine Biodiversity Patterns Causes And Ecosystem Consequences
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Author : F.Stuart III Chapin
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-08
Arctic And Alpine Biodiversity Patterns Causes And Ecosystem Consequences written by F.Stuart III Chapin 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 2013-03-08 with Science categories.
As human populations expand and have increasing access to technol ogy, two general environmental concerns have arisen. First, human pop ulations are having increasing impact on the earth system, such that we are altering the biospheric carbon pools, basic processes of elemental cycling and the climate system of the earth. Because of time lags and feedbacks, these processes are not easily reversed. These alterations are occurring now more rapidly than at any time in the last several million years. Secondly, human activities are causing changes in the earth's biota that lead to species extinctions at a rate and magnitude rivaling those of past geologic extinction events. Although environmental change is potentially reversible at some time scales, the loss of species is irrevo cable. Changes in diversity at other scales are also cause for concern. Habitat fragmentation and declines in population sizes alter genetic di versity. Loss or introduction of new functional groups, such as nitro gen fixers or rodents onto islands can strongly alter ecosystem processes. Changes in landscape diversity through habitat modification and frag mentation alter the nature of processes within and among vegetation patches. Although both ecological changes altering the earth system and the loss of biotic diversity have been major sources of concern in recent years, these concerns have been largely independent, with little concern for the environmental causes the ecosystem consequences of changes in biodiversity. These two processes are clearly interrelated. Changes in ecological systems cause changes in diversity.
Photobiogeochemistry Of Organic Matter
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Author : Khan M.G. Mostofa
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-15
Photobiogeochemistry Of Organic Matter written by Khan M.G. Mostofa 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 2012-12-15 with Science categories.
Photoinduced processes, caused by natural sunlight, are key functions for sustaining all living organisms through production and transformation of organic matter (OM) in the biosphere. Production of hydrogen peroxide (H2O2) from OM is a primary step of photoinduced processes, because H2O2 acts as strong reductant and oxidant. It is potentially important in many aquatic reactions, also in association with photosynthesis. Allochthonous and autochthonous dissolved organic matter (DOM) can be involved into several photoinduced or biological processes. DOM subsequently undergoes several physical, chemical, photoinduced and biological processes, which can be affected by global warming. This book is uniquely structured to overview some vital issues, such as: DOM; H2O2 and ROOH; HO•; Degradation of DOM; CDOM, FDOM; Photosynthesis; Chlorophyll; Metal complexation, and Global warming, as well as their mutual interrelationships, based on updated scientific results.
Landscape Ecology In Agroecosystems Management
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Author : Lech Ryszkowski
language : en
Publisher: CRC Press
Release Date : 2001-12-27
Landscape Ecology In Agroecosystems Management written by Lech Ryszkowski and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-12-27 with Nature categories.
Successful management of agricultural landscapes depends on the recognition of the relationships between the processes and the structures that maintain the system. The rapidly growing science of Landscape Ecology quantifies the ways these ecosystems interact and establishes a link between the activities in one region and repercussions in another. A
The Lakes Handbook
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Author : Patrick O'Sullivan
language : en
Publisher: John Wiley & Sons
Release Date : 2008-04-15
The Lakes Handbook written by Patrick O'Sullivan and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-04-15 with Technology & Engineering categories.
Continuing concern about water supply and quality, ecosystem sustainability and restoration demands that the modern approach to the management of lakes and reservoirs should be based on a sound understanding of the application of the scientific and ecological principles that underlie freshwater processes. The Lakes Handbook provides an up-to-date overview of the application of ecologically sound approaches, methods and tools using experience gained around the world for an understanding of lakes and their management. Volume one of the Handbook addresses the physical and biological aspects of lakes pertinent to lake management, emphasising those aspects particularly relevant to large, still bodies of water. Volume two then considers lake management, with particular emphasis on sustainability, restoration and rehabilitation. This handbook will be invaluable to ecologists, environmental scientists, physical geographers and hydrologists involved in limnological research, as well as advanced undergraduate and graduate students looking for authoritative reviews of the key areas of limnological study. Brings together basic science and management issues. International coverage and international authors. Reviews management issues at a level suitable for the non-expert.
The Biology Of Particles In Aquatic Systems Second Edition
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Author : Roger S. Wotton
language : en
Publisher: CRC Press
Release Date : 2020-10-29
The Biology Of Particles In Aquatic Systems Second Edition written by Roger S. Wotton and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-29 with Science categories.
The Biology of Particles in Aquatic Systems, Second Edition presents the latest information on particulate and dissolved matter found in aquatic habitats ranging from small streams to oceans. Only by studying this matter can we gain an understanding of the functioning of aquatic ecosystems and thus be able to predict changes that may occur as these systems become stressed. Updated and extensively revised, this new edition covers such topics as classification of particulate and dissolved matter, origin and formation of particles aquatic systems, factors affecting particle aggregation, methods for capturing particles by benthic and planktonic animals, and the use of particulate and dissolved organic matter as food.