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Specific types of pollution are addressed, including representative types of contamination scenarios. With this book, you can identify typical or expected patterns associated with water pollution and the potential effects on the biotic and abiotic components of the ecosystem.
This volume is of great importance to humans and other living organisms. The study of water quality draws information from a variety of disciplines including chemistry, biology, mathematics, physics, engineering, and resource management. University training in water quality is often limited to specialized courses in engineering, ecology, and fisheries curricula. This book also offers a basic understanding of water quality to professionals who are not formally trained in the subject. The revised third edition updates and expands the discussion, and incorporates additional figures and illustrative problems. Improvements include a new chapter on basic chemistry, a more comprehensive chapter on hydrology, and an updated chapter on regulations and standards. Because it employs only first-year college-level chemistry and very basic physics, the book is well-suited as the foundation for a general introductory course in water quality. It is equally useful as a guide for self-study and an in-depth resource for general readers.
In aquatic ecosystems, the oligochaetes are often a major component of the community. Their relevance in sediment quality assessment is largely related to their benthic and detritivorous life habit. In this book, we aim to present the state of the art of Pollution Biology using oligochaete worms in laboratory and field studies. Future research will require the combination of a variety of methodological approaches and the integration of the resulting information, avoiding fragmented and often conflicting visions of the relationships of the species with their environment. Current approaches to ecotoxicology and bioaccumulation using ecological risk assessment provide the opportunity to relate community studies with probability of effects. This book addresses three main themes: Ecological and Field Studies using the composition and structure of oligochaete communities, Toxicology and Laboratory Studies, and Bioaccumulation and Trophic Transfer Studies. Two appendices list values of toxicological parameters (LC50, EC50) and several bioaccumulation variables (bioaccumulation factors, biological half-life, toxicokinetic coefficients, and critical body residues) for different oligochaete species. Additional information is provided on Methodological Issues and on the Taxonomy of several oligochaete families, with information on the most recent taxonomic debates. Each chapter includes a critical view, based on the authors’ experience, of a number of current issues which have been raised in the literature.
This Textbook Shows Environmental Scientists, Engineers And Students How To Examine A Water Pollution Problem And Methodically Investigate And Solve It. It Describes The Nature And Properties Of Water And Defines Water Pollution And Its Categories.The Book Practical Examples And Common Situations Reinforce A Fundamental Understanding Of The Biological Effects Of Pollution. The Book Focuses On Bacteria And Algae To Show Their Importance As Pollution Indicators As Well As Their Role In Natural Purification. Content Highlights : - # Preface # Introduction # Overview Of Water Pollution # The Nature Of Water And The Hydrologic Cycle # Overview Of Aquatic Ecosystems # Bacteria And Water Pollution # D Dissolved Oxygen And Natural Purification # Algae And Eutrophication # The Estuarine Environment # The Nitrogen And Phosphorous Cycles # Thermal Pollution # The Sulfur Cycle # Aquartic Toxicology # Pollution By Inorganic Materials And Metals # Pesticides And Water Pollution # Polychlotinated Biphenyls # Pollution From Petroleum Hydrocarbons # Pollution From Biological Sources # Index
The aim of this book is to provide an accessible, up-to-date introduction to stream and river biology. Beginning with the physical features that define running water habitats, the book goes on to look at these organisms and their ecology.
This eleventh edition was developed during the encyclopaedia's transition from a British to an American publication. Some of its articles were written by the best-known scholars of the time and it is considered to be a landmark encyclopaedia for scholarship and literary style.
Environmentalists often voice concern about threats like acid rain, carbon dioxide buildup in the atmosphere, water contamination, and declining biodiversity. Recently, many have come to recognize another equally serious threat called biological pollution. Biological pollution is the movement of living organisms, either accidentally or intentionally, from the places where they evolved to new environments where a lack of natural enemies permits their population to explode. These organisms, sometimes called invasive exotic pests, threaten our crops, our forests, and perhaps even our very existence. Biological pollutants, like chemical pollutants, are here because of human activities. But unlike chemical pollutants, biological pollutants cannot be reduced or prevented by legislation. Once biological pollutants are imported, they grow, adapt, multiply and spread on their own unless direct, vigorous, and often costly actions are taken to stop them.Written by biological scientists participating in a meeting sponsored by the Forest Pathology Committee of The American Phytopathological Society (APS), Biological Pollution: An Emerging Global Menace presents a broad spectrum of concerns in nontechnical language to conservation-minded people. The first three chapters provide general background on biological pollution, including insight into the enormity of the problem and the direct and indirect costs to date. The next section provides specific examples of exotic weeds, diseases, nematodes, and insects and the damage they cause. The last section examines the defenses in place and proposed improvements to resisting biotic invasion. Biological Pollution: An Emerging Global Menace is required reading for environmentalists, plant pathologists, horticulturists, weed scientists, nematologists, entomologists, foresters, agronomists and all others dedicated to protecting the environment. Anyone interested in natural resources and agriculture will gain valuable knowledge from this eye-opening publication.ContentsPreface; What Is the Problem?: Controlling Biological Pollution; An Ecological Explosion in Slow Motion; Exotic Pests: past, present and future; Weeds, Diseases, and Other Pests: Exotic Weeds: Expensive and Out of Control; Plant Disease On The Move!; Plant-Parasitic Nematodes Which Are Exotic Pests in Agriculture and Forestry; What Is to be Done?: Meeting the Threat: Risk Assessment and Quarantine; Assessing Exotic Threats to Forest Resources; Political and Economic Barriers to Scientifically-Based Decisions; Fighting Back
Philip Mladenov provides a comprehensive overview of marine biology, providing a tour of marine life and marine processes that ranges from the polar oceans to tropical coral reefs; and from the intertidal to the hydrothermal vents of the deep sea.
Thoroughly updated and expanded new edition introduces students to the complex world of water resources and environmental issues.