the biogeochemistry of submerged soils

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The Biogeochemistry Of Submerged Soils

Author : Guy Kirk
ISBN : 9780470863022
Genre : Science
File Size : 77. 48 MB
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Submerged soils and the wetlands they support are of huge practical importance: in global element cycles, as centres of biodiversity, in global food production. They are also uniquely interesting scientifically because of their peculiar biogeochemistry and the adaptations of plants and microbes to it. This book describes the physical, chemical and biological processes operating in submerged soils and governing their properties. It describes the transport processes controlling the fluxes of gases and solutes through the soil; the interchange of solutes between solid, liquid and gas phases; reduction and oxidation processes; biological processes in the soil and overlying water; and processes in the roots and rhizospheres of wetland plants. The dynamics of nutrients, toxins, pollutants and trace gases are then discussed in terms of these processes and in relation to wetland productivity and global element cycles. Written by a renowned expert in the field, this work will be invaluable to earth, environmental and agricultural scientists concerned with natural or man-made wetlands, and to advanced undergraduate and graduate studen ts of these topics.

Soils

Author : Khan Towhid Osman
ISBN : 9789400756632
Genre : Nature
File Size : 71. 12 MB
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Aimed at taking the mystery out of soil science, Soils: Principles, Properties and Management is a text for undergraduate/graduate students who study soil as a natural resource. Written in a reader-friendly style, with a host of examples, figures and tables, the book leads the reader from the basics of soil science through to complex situations, covering such topics as: the origin, development and classification of soil physical, chemical and biological properties of soil water and nutrient management management of problem soils, wetland soils and forest soils soil degradation Further, the ecological and agrological functions of soil are emphasized in the context of food security, biodiversity and climate change. The interactions between the environment and soil management are highlighted. Soil is viewed as an ecosystem itself and as a part of larger terrestrial ecosystems.

Nitrogen In Agricultural Systems

Author : James Stuart Schepers
ISBN : 0891181644
Genre : Science
File Size : 71. 90 MB
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New research tools and advanced management concepts are presented from a holistic perspective that emphasizes the complexity of the nitrogen cycle. Nitrogen in Agricultural Systems provides an extensive review of the principles and management implications related to nitrogen in the soil-plant-water system. More than thirty leading experts address nitrogen in the context of environmental protection and the efficient use of resources. Significant advances have broadened the perspective from which authors discuss their specific views on each aspect of the nitrogen cycle. This volume reviews the sources and forms of nitrogen in the environment and expands discussion of nitrogen loss mechanisms from soil and vegetation. Nitrogen transformations remain a common thread throughout the discussion of biological, chemical, physical, and weather-related interactions. The subjects of accountability and nitrogen budgeting are emphasized because they have a strong bearing on management decisions and environmental implications. The concept of soil-plant resiliency is introduced as a framework to better understand how climate, soils, and plants interact to broadly delineate cropping eco-regions. Sections on economic considerations and water quality are included. The nitrogen management principles described promote judicious global management of our nitrogen resources. The editors and authors provide a truly excellent book. We anticipate that readers will find this book to be a highly valued resource

Wetland Soils

Author : Michael J. Vepraskas
ISBN : 9781439898000
Genre : Technology & Engineering
File Size : 81. 2 MB
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A Major Revision of the Previous Edition Wetland Soils: Genesis, Hydrology, Landscapes, and Classification, Second Edition contains 11 new chapters and additional updates written by new authors with a broad range of related field and academic experience. This revised work augments the previous material on wetland functions and restorations, while maintaining the field-oriented focus of the first book. The reworked text includes current coverage of hydric soil field indicators, wetland soils, chemistry of wetland soils, and wetland hydrology. This book explains how wetland soils are formed, described, and identified, defines the functions they perform, and serves to assist decision-making in the field. A specialized book specifically geared toward environmental consultants and governmental wetland regulators, the text: Reviews general properties of wetland soils, including hydrology, redox chemistry, organic matter dynamics and biology. Provides examples of major types of wetlands across the United States Highlights USDA Hydric Soil Field Indicators, the most current and universal indicators of wetlands soils Summarizes technical standards Evaluates wetland functions, methods of assessment, and restoration techniques Wetland Soils: Genesis, Hydrology, Landscapes, and Classification, Second Edition explains how wetland soils form, are described and can be identified in the field, and is an ideal resource for professionals, students, or anyone dedicated to the understanding and conservation of wetlands.

Inorganic Constituents In Soil

Author : Masami Nanzyo
ISBN : 9789811312144
Genre : Science
File Size : 85. 34 MB
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This open access book is a must-read for students of and beginners in soil science. In a well-organized and easy-to-follow manner, it provides basic outlines of soil minerals, new methods and recent developments in the field, with a special focus on visual aids. The chapters on primary minerals, secondary minerals, non-crystalline inorganic constituents and inorganic constituents sensitive to varying redox conditions will help readers understand the basic components of soils. Further, readers are introduced to new analytical methods with the aid of microscopy and recent developments in the field. Uniquely, the book features case studies on the identification and isolation methods for vivianite crystals from paddy field soils, as well as a useful procedure for identifying noncrystalline constituents such as volcanic glasses and plant opals, which can also be applied to other soils depending on the local conditions. Given its focus and coverage, the book will be useful to all readers who are interested in agronomy, plant production science, agricultural chemistry and environmental science. In addition, it can help biogeochemists further expand their research work on the rhizosphere of wetland plant roots, iron and phosphate dynamics, etc.

Biogeochemistry Of Wetlands

Author : K. Ramesh Reddy
ISBN : 0203491459
Genre : Technology & Engineering
File Size : 67. 53 MB
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Wetland ecosystems maintain a fragile balance of soil, water, plant, and atmospheric components in order to regulate water flow, flooding, and water quality. Marginally covered in traditional texts on biogeochemistry or on wetland soils, Biogeochemistry of Wetlands is the first to focus entirely on the biological, geological, physical, and chemical processes that affect these critical habitats. This book offers an in-depth look at the chemical and biological cycling of nutrients, trace elements, and toxic organic compounds in wetland soil and water column as related to water quality, carbon sequestration, and greenhouse gases. It details the electrochemistry, biochemical processes, and transformation mechanisms for the elemental cycling of carbon, oxygen, nitrogen, phosphorus, and sulfur. Additional chapters examine the fate and chemistry of heavy metals and toxic organic compounds in wetland environments. The authors emphasize the role of redox-pH conditions, organic matter, microbial-mediated processes that drive transformation in wetlands, plant responses and adaptation to wetland soil conditions. They also analyze how excess water, sediment water, and atmospheric change relate to elemental biogeochemical cycling. Delivering an in-depth scientific examination of the natural processes that occur in wetland ecosystems, Biogeochemistry of Wetlands comprises a key perspective on the environmental impact of pollutants and the role freshwater and coastal wetlands play in global climate change.

Current Topics In Wetland Biogeochemistry

Author :
ISBN : UCSD:31822009059957
Genre : Biogeochemistry
File Size : 66. 69 MB
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The Evaluation Of Rice Straw As A Possible Material For Subsidence Reversal

Author : Ian Stanford Bay
ISBN : UCAL:X78892
Genre :
File Size : 43. 85 MB
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Extended Abstracts Fourth International Conference On The Biogeochemistry Of Trace Elements

Author : Iskandar Karam Iskandar
ISBN : PSU:000043332311
Genre : Technology & Engineering
File Size : 47. 27 MB
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The Global Biogeochemical Sulphur Cycle

Author : M. V. Ivanov
ISBN : UCSD:31822000480053
Genre : Science
File Size : 29. 98 MB
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Based on the SCOPE/UNEP Workshop on the Global Biogeochemical Sulphur Cycle, held at the Institute of Biochemistry and Physiology of Microorganisms, USSR Academy of Sciences, Pushchino, Oct. 15-19, 1979.

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