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Terrestrial ecosystems: an overview. Speciation of metals in soils. Bioavailability of metals to terrestrial plants. Bioavailability of metals to soil microbes. Bioavailability of metals to soil invertebrates. Recommendations for regulatory programs and research.
This book describes the bioavailability, toxicity and risk relationships of metal contaminants in ecosystems. It discusses bioavailability within the context of environmental health and ecotoxicological risk assessment and the potential impact that metals may have on soil ecosystem.
A comprehensive reference handbook on the important aspects of trace elements in the land environment. Each chapter addresses a particular element and gives a general introduction to their role in the environment, where they come from, and their biogeochemical cycles. In addition to a complete updating of each of the element chapters, this new edition has new chapters devoted to aluminum and iron, soil contamination, remediation and trace elements in aquatic ecosystems. In short, an essential resource for environmental scientists and chemists, regulators and policy makers.
Concerns regarding heavy metal contamination in terrestrial ecosystems have prompted increasing efforts on limiting their bioavailability in the root zone. The complexity of the hydrologic system gives rise to the need for understanding the fate and transport of trace elements in the soil-water-plant environment. Dynamics and Bioavailability of Hea
A comprehensive reference handbook on the important aspects of trace elements in the land environment. Each chapter addresses a particular element and gives a general introduction to their role in the environment, where they come from, and their biogeochemical cycles. In addition to a complete updating of each of the element chapters, this new edition has new chapters devoted to aluminum and iron, soil contamination, remediation and trace elements in aquatic ecosystems. In short, an essential resource for environmental scientists and chemists, regulators and policy makers.
This third edition of the book has been completely re-written, providing a wider scope and enhanced coverage. It covers the general principles of the natural occurrence, pollution sources, chemical analysis, soil chemical behaviour and soil-plant-animal relationships of heavy metals and metalloids, followed by a detailed coverage of 21 individual elements, including: antimony, arsenic, barium, cadmium, chromium, cobalt, copper, gold, lead, manganese, mercury, molybdenum, nickel, selenium, silver, thallium, tin, tungsten, uranium, vanadium and zinc. The book is highly relevant for those involved in environmental science, soil science, geochemistry, agronomy, environmental health, and environmental engineering, including specialists responsible for the management and clean-up of contaminated land.
Heavy metal pollution is a serious threat to living organisms. Industrial development has aggravated multifaceted problems in the environment requiring a comprehensive solution. Appraisal of Metal(loids) in the Ecosystem addresses this need and provides a basic introduction of different heavy metals. Presented in a consistent and comprehensive manner, each chapter highlights the background level, occurrence, speciation, bioavailability, uptake detoxification mechanisms, and management of each metal in polluted soils. It provides the latest up-to-date information about different aspects of As, Hg, Si, Cu, Co, Ni, Mn, Cd, Cr, etc. in single source. This book provides scientists and researchers with the most current source of information on the topic. Written by a global and diverse group of experts, Appraisal of Metal(loids) in the Ecosystem also covers the many field applications associated with phytoremediation and extraction and provides guidance on decision making when selecting advanced techniques. Proposes strategies to mitigate metalloid toxicity and pollution in soils Covers various phytoremediation technique for appraisal of metalloids Includes case studies involving remediation of heavy metal contaminated soils using advanced technologies
This book presents new results on metal fluxes from society to the environment, on metal speciation in water, soil and sediment, and its mobility, biological uptake and toxicity. New approaches, like the Acid Volatile Sulphide (AVS) concept to predict metal bioavailability in sediments, and the Biotic Ligand Model to calculate the toxicity of metals to aquatic organisms, are critically evaluated, with a focus on copper, nickel, zinc, and, chromium.
A summary of data on heavy metal accumulation, biomonitoring, toxicity and tolerance, metal contamination and pollution in the environment, and the importance of biodiversity for environmental monitoring and cleanup of metal-contaminated and polluted ecosystems. It advocates the use of bacteria, mycorrhizae, freshwater algae, salt marshes, bryo- and pteridophytes, angiosperms, constructed wetlands, reed beds, and floating plant systems and tree crops to treat wastewaters and industrial effluents containing toxic heavy metals.
I intend to fill, with this book, a need that has long been felt by students and professionals in many areas of agricultural, biological, natural, and environmental sciences-the need for a comprehensive reference book on many important aspects of trace elements in the "land" environment. This book is different from other books on trace elements (also commonly referred to as heavy metals) in that each chapter focuses on a particular element, which in tum is discussed in terms of its importance in our economy, its natural occurrence, its fate and behavior in the soil-plant system, its requirement by and detriment to plants, its health limits in drinking water and food, and its origin in the environment. Because of long distance transport to pristine areas of cadmium, lead, copper, and zinc in relatively large quantities, these elements have an extra section on natural ecosystems. A blend of pictorial and tabular data are provided to enhance understanding of the relevant information being conveyed. Since individual chapters are independent of one another, they are arranged alphabetically. However, readers with weak backgrounds in soil science are advised to start with the chapter on zinc, since soil terminology is discussed in more detail here. Sections on sorption, forms and speciation, complexation, and transformations become more technical as soil physical-(bio )chemical phenomena are discussed. The less important "environmental" trace elements are discussed together in the "Other Trace Elements" chapter.