Download or read book Biomarker Responses in Fishes a Tool for Monitoring Water Quality of the River Nile written by Alaa Osman and published by . This book was released on 2012 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Biomarkers Responses in Fishes A tool for Monitoring water quality of the river Nile written by Werner Kloas and published by Cuvillier Verlag. This book was released on 2012-10-17 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most impressive large rivers worldwide is in Egypt the river Nile known since ages for its intense anthropogenic use as well as for increasing pollution along its course from spring to estuary forming presumably a strong gradient of pollutants. Effective management of the river Nile in a manner that supports a sustainable economy and society with sufficient quantity and quality of water is essential. In order to do this, however, improved water quality monitoring is necessary to facilitate resource protection and to understand ecological changes within ecosystems. In past decades, aquatic monitoring programs dealt only with the measurement of physical and chemical variables. Physicochemical analyses alone are insufficient to provide the information about water quality and it is essential to use biological test systems (biomonitoring) with living cells or organisms that provide a general response to the pollutants present in the sample. Biomonitoring takes advantage of the knowledge that chemicals that have entered the organisms leave biomarkers reflecting this exposure. Biomarkers have been proposed as sensitive tools for detecting environmental exposure and adverse effects of toxic anthropogenic chemicals on aquatic organisms. Biomarkers may take many forms - from the assessment of chemical residues in the tissues of living organisms (bioaccumulation level), through to assaying specific biological end points based on changes to various biochemical, physiological, morphological or behavioral characteristics in organisms, as well as traditional ecological community attributes such as abundance and diversity. Biomarkers at the molecular level tend to respond first, followed by responses at the cellular (biochemical), morphological/histological and whole-body levels. Thus, by monitoring molecular, biochemical and physiological parameters biomarkers can be used as an early warning system and the potential harm of an agent can be assessed before more severe disturbances/consequences occur. Within this book, in the interest of clarity, the early warning biomarkers are limited as “rapidly-responding biomarkers” to the sub-organismic changes, such as bioaccumulation biomarkers, molecular biomarkers, biochemical biomarkers, physiological biomarkers, and morphological/histological biomarkers, that can be measured in cells, body fluids, tissues or organs within an organism and are indicative of xenobiotic exposure and/or effect.
Download or read book Pollution and Fish Health in Tropical Ecosystems written by Eduardo Alves de Almeida and published by CRC Press. This book was released on 2016-04-19 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: The tropical zone contains the highest diversity of fish species on the planet. Many of these species are being continuously exposed to pollutants that pose serious hazards to fish health thereby posing serious risks for entire fish populations. This book presents information about the different responses of fish to pollutants from the molecular le
Download or read book Biomarkers for Stress in Fish Embryos and Larvae written by Irina Rudneva and published by CRC Press. This book was released on 2013-08-28 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present work evaluates the toxic effects of some environmental stressors on fish eggs and larvae and describes the biomarker responses of fish from locations with varying levels of pollution. Development of the main groups of biomarkers is discussed. The book demonstrates general trends and specific peculiarities of biomarker induction in early
Download or read book Pollution and Fish Health in Tropical Ecosystems written by Eduardo Alves de Almeida and published by CRC Press. This book was released on 2013-12-13 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: The tropical zone contains the highest diversity of fish species on the planet. Many of these species are being continuously exposed to pollutants that pose serious hazards to fish health thereby posing serious risks for entire fish populations. This book presents information about the different responses of fish to pollutants from the molecular levels to changes in behavior, with emphasis on tropical species. It also discusses current topics such as the adverse effects of emerging compounds like nanoparticles and endocrine disruptor chemicals.
Download or read book Assessment of Inland Water Pollution Using Biomarker Responses in Fish in Vivo and in Vitro written by Arvo Tuvikene and published by . This book was released on 1997 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Toxicology of Fishes written by Richard T. Di Giulio and published by CRC Press. This book was released on 2008-02-25 with total page 1102 pages. Available in PDF, EPUB and Kindle. Book excerpt: When looking for a book on fish toxicology, you might find one that discusses the biochemical and molecular aspects, or one that focuses aquatic toxicology in general. You can find resources that cover human and animal toxicology or ecotoxicology in general, but no up-to-date, comprehensive monograph devoted to the effects of chemical pollution on
Download or read book Biomarker Responses in Tropical Fish Species written by Bernard Gadagbui and published by . This book was released on 1996 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fundamentals of Tropical Freshwater Wetlands written by Tatenda Dalu and published by Elsevier. This book was released on 2021-11-25 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals of Tropical Freshwater Wetlands: From Ecology to Conservation Management is a practical guide and important tool for practitioners and educators interested in the ecology, conservation and management of wetlands in tropical/subtropical regions. The book is written in such a way that, in addition to scientists and managers, it is accessible to non-specialist readers. Organized into three themed sections and twenty-three chapters, this volume covers a variety of topics, exposing the reader to a full range of scientific, conservation and management issues. Each chapter has been written by specialists in the topic being presented. The book recognizes that wetland conservation, science and management are interlinked disciplines, and so it attempts to combine several perspectives to highlight the interdependence between the various professions that deal with issues in these environments. Within each chapter extensive cross-referencing is included, so as to help the reader link related aspects of the issues being discussed. Contributed to by global experts in the field of tropical wetlands Includes case studies and worked examples, enabling the reader to recreate the work already done Focuses on tropical systems not available in any other book
Download or read book Water Analysis written by F. J. H. Mackereth and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Biology of Stress in Fish written by Carl B. Schreck and published by Academic Press. This book was released on 2016-11-01 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biology of Stress in Fish: Fish Physiology provides a general understanding on the topic of stress biology, including most of the recent advances in the field. The book starts with a general discussion of stress, providing answers to issues such as its definition, the nature of the physiological stress response, and the factors that affect the stress response. It also considers the biotic and abiotic factors that cause variation in the stress response, how the stress response is generated and controlled, its effect on physiological and organismic function and performance, and applied assessment of stress, animal welfare, and stress as related to model species. Provides the definitive reference on stress in fish as written by world-renowned experts in the field Includes the most recent advances and up-to-date thinking about the causes of stress in fish, their implications, and how to minimize the negative effects Considers the biotic and abiotic factors that cause variation in the stress response
Download or read book Metal Metabolism in Aquatic Environments written by William J. Langston and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal Metabolism in Aquatic Environments is a synthesis of recent developments in the field of metal ecotoxicology and features a number of contemporary issues arising from the interaction of metals and biota, such as pathways of assimilation and food chain transfer, metal accumulation and detoxification in humans and biotransformation of elements such as mercury and arsenic.
Download or read book Free Radical Toxicology written by Kendall Bruce Wallace and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Environmental Indicators written by Robert H. Armon and published by Springer. This book was released on 2015-01-05 with total page 1061 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental indicators are the first line of warning against hazards caused by humans or nature catastrophes to prevent diseases and death of living organisms. The present book covers a large variety of environmental indicators from physical-chemistry through economical, bioinformatics, electromagnetic irradiation and health aspects, all dealing with environmental pollution. This volume has been intended to environmentalists, engineers, scientists and policy makers as well to anybody interested in the latest development in the indicator field.
Download or read book Water Quality and Fish Health written by Zdeňka Svobodová and published by Food & Agriculture Org.. This book was released on 1993 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Advances in Environmental Pollution Management Wastewater Impacts and Treatment Technologies written by Vinod Kumar and published by Agro Environ Media, Publication Cell of AESA, Agriculture and Environmental Science Academy,. This book was released on 2020-12-05 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Environmental Pollution Management: Wastewater Impacts and Treatment Technologies has been designed to bind novel knowledge of wastewater pollution-induced impacts on various aspects of our environment. The book also contains novel methods and tools for the monitoring and treatment of produced wastewater.
Download or read book Pollution of Water Bodies in Latin America written by Leobardo Manuel Gómez-Oliván and published by Springer. This book was released on 2019-11-22 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The indiscriminate use of chemical substances in industrial processes and anthropogenic activities, have resulted in the release of these compounds into aquatic ecosystems through municipal, hospital and industrial discharges, producing various undesired effects on the environment and on species of ecological interest. These compounds, such as metals, pesticides, emerging pollutants and other substances are persistent and susceptible to biotic and/or abiotic transformations, yielding metabolites that can be more toxic than the original compounds. In this book, researchers from diverse environmental science disciplines share their experiences in countries such as Argentina, Brazil, Colombia and Mexico, and critically examine the problem of contaminants in aquatic ecosystems in Latin America, as well as the risks presented by their presence.
