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Books > Professional & Technical > Environmental engineering & technology > General

Applied Soft Computing - Techniques and Applications (Hardcover): Samarjeet Borah, Ranjit Panigrahi Applied Soft Computing - Techniques and Applications (Hardcover)
Samarjeet Borah, Ranjit Panigrahi
R3,774 Discovery Miles 37 740 Ships in 12 - 17 working days

It explores a variety of modern applications in soft computing, including bioinspired computing, reconfigurable computing, fuzzy logic, fusion-based learning, intelligent healthcare systems, bioinformatics, data mining, functional approximation, genetic and evolutionary algorithms, hybrid models, machine learning, meta heuristics, neuro fuzzy system, and optimization principles. The book acts as a reference book for AI developers, researchers, and academicians as it addresses the recent technological developments in the field of soft computing.

Advances in Energy, Environment and Materials Science - Proceedings of the 2nd International Conference on Energy, Environment... Advances in Energy, Environment and Materials Science - Proceedings of the 2nd International Conference on Energy, Environment and Materials Science (EEMS 2016), July 29-31, 2016, Singapore (Hardcover)
Yeping Wang, Shiquan Zhou
R4,185 Discovery Miles 41 850 Ships in 12 - 17 working days

The 2016 International Conference on Energy, Environment and Materials Science (EEMS 2016) took place on July 29-31, 2016 in Singapore. EEMS 2016 has been a meeting place for innovative academics and industrial experts in the field of energy and environment research. The primary goal of the conference is to promote research and developmental activities in energy and environment research and further to promote scientific information exchange between researchers, developers, engineers, students, and practitioners working all around the world. The conference will be organized every year making it an ideal platform for people to share views and experiences in energy, environment and materials science and related areas.

Anthropological Optimism - Engaging the Power of What Could Go Right (Paperback): Anna J Willow Anthropological Optimism - Engaging the Power of What Could Go Right (Paperback)
Anna J Willow
R1,095 Discovery Miles 10 950 Ships in 12 - 17 working days

This book theorizes the role of optimism in anthropological thinking, research, writing, and practice. It sets out to explore optimism's origins and implications, its conceptual and practical value, and its capacity to contribute to contemporary anthropological aims. In an era of extensive ecological disruption and social distress, this volume contemplates how an optimistic anthropology can energize the discipline while also contributing to bettering the lives, communities, and environments of those we study. It brings together scholars diverse in background, career stage, and theoretical approach in a collective attempt to comprehend the myriad intersections of anthropology and optimism. The challenges of the COVID-19 pandemic have recently underscored the larger, longer-term catastrophes of climate change, ecosystemic collapse, social injustice, and antipathy towards scientific knowledge and those who produce it. In this context, exceedingly few anthropologists feel comfortable observing and documenting passively while their research communities face unrelenting waves of (un)natural disasters. We need to act. But we also need to hope. Discontent with the state of the world and cultural anthropology's turn to increasingly positive, future-oriented, and engaged work have converged to unleash a courageously optimistic anthropology. This book is a timely springboard for this impactful and emergent approach.

Eco Targets, Goal Functions, and Orientors (Hardcover, 1998 ed.): Felix Muller, Maren Leupelt Eco Targets, Goal Functions, and Orientors (Hardcover, 1998 ed.)
Felix Muller, Maren Leupelt
R4,403 Discovery Miles 44 030 Ships in 12 - 17 working days

This volume comprises the proceedings of the International Workshop on Eco logical Goal Functions, held at the Schleswig-Holstein Cultural Center of Salzau, August 30 -September 4, 1996. The conference - first in a series - intended to be convened at Salzau at 1 -2 year intervals to address various aspects of theo retical and application-oriented ecology, was initiated, organized and carried out under the auspices of the Ecology Center of the Kiel University. It featured key note addresses, invited lectures, submitted papers, and posters. 32 contributions written by authors from eight countries, were selected to be presented in this book. From the very rich discussions of the workshop, some general characteristics emerged which might become important for a deeper understanding of the nature of evolving systems or, in other words, systems with a history, described by variables with a high degree of interdependence. These characteristics include the following: Speaking of 'goal functions' is a convenient 'fa on de parler', since a logical analysis of the formal structure of teleological and causal explanations shows that both are analogous with regard to the inherent structural typology and the basic mode of explanation. Teleological interpretations introduce motives or objectives of actors into the set of 'antecedens' conditions relevant for system evolution, and are consequently a subset of causal interpretations."

Developing the Future Aviation System (Paperback): Rod Baldwin Developing the Future Aviation System (Paperback)
Rod Baldwin
R1,158 R1,015 Discovery Miles 10 150 Save R143 (12%) Ships in 12 - 17 working days

The major changes taking place in technology have some of the greatest effect in the world of aviation. Yet, in an industry which started with the concept of 'open skies', each sector has traditionally developed on its own and adjusted to developments in other areas as and when required. The need for integration is particularly important as the skies become increasingly crowded. More intense commercialization dramatically increases the interlocking between technological developments and the size of the financial investments required. For maximum efficiency the aviation system thus has to develop as an integrated whole with a greater awareness of events in other sectors. This book is intended to meet this requirement by addressing the breadth and depth of the aviation system and looking at some areas where significant advances are happening. While following the processes of development, the reader will see where the results might lead in the new century. Its three parts concentrate on areas of great significance - in integration as well as in technological progress - especially for their impact on human and social aspects. The editor and the invited contributors are amongst the foremost experts, researchers and industry leaders in their fields in the global aviation community, many with hands-on experience of massive change. The intended readership includes those who are moving into management functions in air traffic management, airplane manufacturing and airline operations; in training centres, colleges and institutions.

Bioaccumulation New Aspects and Developments (Hardcover, 2000 ed.): B. Beek Bioaccumulation New Aspects and Developments (Hardcover, 2000 ed.)
B. Beek
R5,604 Discovery Miles 56 040 Ships in 10 - 15 working days

The bioaccumulation of endocrine disruptors, persistent organic chemicals and other compounds of high environmental impact has become of increasing interest in most recent environmental research, risk analysis and toxicology. This volume gives an up-to-date overview and introduces the reader to the new concept of "internal effect concentration" linking bioaccumulation and biomagnification in the food chain to ecotoxicology and risk assessment.

Aviation Information Management - From Documents to Data (Paperback): Thomas L. Seamster Aviation Information Management - From Documents to Data (Paperback)
Thomas L. Seamster; Barbara G. Kanki
R1,604 Discovery Miles 16 040 Ships in 12 - 17 working days

Operational information management is at a crossroads as it sheds the remaining vestiges of its paper-based processes and moves through the uncharted domain of electronic data processes. The final outcome is not yet in full focus, but real progress has been made in the transition to electronic documents providing the aviation industry with a clear direction. This book looks at a combination of industry initiatives and airline successes that point to the next steps that operators can take as they transition to fully integrated information management systems. Although the route has not been fully identified, it is evident that a key to successful long-term efficient information management is industry-wide cooperation. The chapters are authored by a range of experts in operational information management, and collectively, they outline ways that operators can improve efficiency across flight, ground and maintenance operations. Considerations and recommendations are identified and presented addressing the following priorities: Safety-critical information and procedures Human factors Information security Operational information standardization. The readership includes: Airline flight operations managers and standards personnel, Airline operating documents and publication specialists, Airline information managers, Commercial pilots, Airline maintenance managers and personnel, Manufacturers and vendors of aviation products, Aviation regulators and policy makers, Aviation researchers and developers of information technologies, and Military technical publications specialists.

Soil Chemical Pollution, Risk Assessment, Remediation and Security (Hardcover, 2008 ed.): Vardan Sargsyan Soil Chemical Pollution, Risk Assessment, Remediation and Security (Hardcover, 2008 ed.)
Vardan Sargsyan
R5,667 Discovery Miles 56 670 Ships in 10 - 15 working days

The objective of this hugely important text is to contribute to the existing knowledge on soil pollution and remediation. Stress is given to the critical assessment of the used analyses and methods for study effects in combined chemical pollution (organic pollutants and pesticides, metals) on soil biota and fertility. Also featured is, among other things, an evaluation of specific aspects of risk assessment, and an assessment of advanced technologies for soil remediation.

The Formation of Vegetable Mould Through the Action of Worms (Hardcover): Charles Darwin The Formation of Vegetable Mould Through the Action of Worms (Hardcover)
Charles Darwin
R656 Discovery Miles 6 560 Ships in 12 - 17 working days

The book has no illustrations or index. Purchasers are entitled to a free trial membership in the General Books Club where they can select from more than a million books without charge. Subjects: Nature / Insects

Anwenderhandbuch Pflanzenklaranlagen - Praktisches Qualitatsmanagement Bei Planung, Bau Und Betrieb (English, German,... Anwenderhandbuch Pflanzenklaranlagen - Praktisches Qualitatsmanagement Bei Planung, Bau Und Betrieb (English, German, Hardcover)
Gunther Geller, Gunhild Hvner, Gunhild Hner, Gunhild Haner
R1,472 Discovery Miles 14 720 Ships in 12 - 17 working days

1 Einfuhrung.- 1.1 Entwicklung und Stand der Pflanzenklaranlagen.- 1.2 Anleitung zum Anwenderhandbuch Pflanzenklaranlagen.- 2 Qualitat und Qualitatsmanagement bei Pflanzenklaranlagen.- 2.1 Qualitatskriterien fur Pflanzenklaranlagen.- 2.2. Qualitatsmanagement bei Pflanzenklaranlagen.- 2.3 Umsetzung des Qualitatsmanagements.- 3 Prozesse und Reinigungsleistung.- 3.1 Abwasserreinigung in Bewachsenen Bodenfiltern.- 3.2 Abbau organischer Stoffe.- 3.3 Stickstoffumsetzung.- 3.4 Phosphatretention.- 3.5 Abwasser-Hygienisierung.- 3.6 Kolmation.- 4 Bemessung von Pflanzenklaranlagen.- 4.1 Bemessung von Horizontalfiltern.- 4.2 Bemessung von Vertikalfiltern.- 1.3 Weitergehende Abwasserreinigung.- 4.4 Beispielbemessung einer Anlage bei Mindestanforderungen.- 5 Anlagenaufbau.- 5.1 Anlagenkonzeption.- 5.2 Vorklarung.- 5.3 Filteraufbau.- 5.4 Filtermaterial.- 5.5 Zulaufkonstruktion.- 5.5.1 Beschickungssystem (Vertikalfilter).- 5.5.2 Einlaufkulisse (Horizontalfilter).- 5.6 Auslaufkonstruktion.- 5.7 Abdichtung.- 5.8 Pflanzen.- 6 Umsetzungsprozess.- 6.1 Einflussfaktoren und Beteiligte.- 6.2 Entscheidungsphase.- 6.3 Grundlagenermittlung.- 6.4 Planung.- 6.5 Genehmigung.- 6.6 Vergabe und Bauausfuhrung.- 6.7 Betrieb.- 7 Betriebserfahrungen.- 7.1 Winterbetrieb.- 7.2 Langzeitbetrieb/Lebensdauer.- 7.3 Geruchsentwicklung.- 8 Kosten.- 8.1 Investitionskosten.- 8.2 Betriebskosten.- 9 Akzeptanz und OEffentlichkeitsarbeit.- 9.1 Akzeptanz.- 9.2 OEffentlichkeitsarbeit.- 10 Referenzanlagen.- 10.1 Pflanzenklaranlage Belzig.- 10.2 Pflanzenklaranlage Beseland.- 10.3 Pflanzenklaranlage Hoerbach.- 10.4 Pflanzenklaranlage Schurtannen.- 10.5 Pflanzenklaranlage Tailing.- 10.6 Pflanzenklaranlage Quarzbichl.- 10.7 Pflanzenklaranlage Ettenbuttel.- 10.8 Pflanzenklaranlage Wiedersberg.- Unterlagen zum Qualitatsmanagement.- Verfahrensanweisungen.- Arbeitsmittel.- 211.- 217.- 219.

Why Vulnerability Still Matters - The Politics of Disaster Risk Creation (Paperback): Greg Bankoff, Dorothea Hilhorst Why Vulnerability Still Matters - The Politics of Disaster Risk Creation (Paperback)
Greg Bankoff, Dorothea Hilhorst
R1,133 Discovery Miles 11 330 Ships in 12 - 17 working days

We think vulnerability still matters when considering how people are put at risk from hazards and this book shows why in a series of thematic chapters and case studies written by eminent disaster studies scholars that deal with the politics of disaster risk creation: precarity, conflict, and climate change. The chapters highlight different aspects of vulnerability and disaster risk creation, placing the stress rightly on what causes disasters and explaining the politics of how they are created through a combination of human interference with natural processes, the social production of vulnerability, and the neglect of response capacities. Importantly, too, the book provides a platform for many of those most prominently involved in launching disaster studies as a social discipline to reflect on developments over the past 50 years and to comment on current trends. The interdisciplinary and historical perspective that this book provides will appeal to scholars and practitioners at both the national and international level seeking to study, develop, and support effective social protection strategies to prevent or mitigate the effects of hazards on vulnerable populations. It will also prove an invaluable reference work for students and all those interested in the future safety of the world we live in.

Digitalizing Sustainability - The Five Forces of Digital Transformation (Paperback): Kathryn Sforcina Digitalizing Sustainability - The Five Forces of Digital Transformation (Paperback)
Kathryn Sforcina
R979 Discovery Miles 9 790 Ships in 12 - 17 working days

Digitalizing Sustainability outlines why 'business as usual' isn't working and sets out five Transformational Forces which can be used to innovate and scale sustainability solutions using digital means. This transformation will be powered by a range of digital technologies that have the potential to ideate, propel and scale sustainability solutions in an exponential manner over the next decade. This book introduces the Five Forces of Digital Transformation. These forces all share a common root - they are powered by digital technologies that enable them to operate at the speed and scale that we need to achieve global transformation for people and planet. Working together, these forces help overcome many of the barriers and pitfalls that humanity has faced in trying to achieve sustainability 2.0.and will help you tackle these questions: Why has sustainability 1.0 failed us? What are the bugs and bad code in our operating systems that we must address to have any hope at creating a sustainable civilization? What are the Five Forces of Digital Transformation that will forge a sustainable and resilient future for our people and planet? What are the core priorities going forward for coalitions of the willing to harness these forces for sustainability and resilience? Disruptive and innovative, this book provides readers with a clear path forward to a sustainable digital future. It will be of great interest to anyone interested in the adoption of digital technologies for driving solutions to global sustainability challenges.

Human Factors on the Flight Deck - A Practical Guide for Design, Modelling and Evaluation (Hardcover): Katie J. Parnell,... Human Factors on the Flight Deck - A Practical Guide for Design, Modelling and Evaluation (Hardcover)
Katie J. Parnell, Victoria A. Banks, Rachael A. Wynne, Neville A. Stanton, Katherine L. Plant
R2,660 Discovery Miles 26 600 Ships in 12 - 17 working days

Discusses the current Human Factors issues in aviation and its future directions. Covers the importance of user-centered design on the flight deck, and a process for conducting this effectively is provided. Real-world case study examples are given of new avionic technologies. Provides the process for applying Human Factors across the design lifecycle of new avionic technologies with illustrated examples.

Essential Topics in Ecological Water Quality (Hardcover): Herbert Lotus Essential Topics in Ecological Water Quality (Hardcover)
Herbert Lotus
R2,342 Discovery Miles 23 420 Ships in 12 - 17 working days
Practical Guide to Geo-Engineering - With Equations, Tables, Graphs and Check Lists (Hardcover, 2014 ed.): Milutin Srbulov Practical Guide to Geo-Engineering - With Equations, Tables, Graphs and Check Lists (Hardcover, 2014 ed.)
Milutin Srbulov
R4,282 Discovery Miles 42 820 Ships in 12 - 17 working days

This handy reference manual puts a wealth of ready-to-use information, data, and practical procedures within immediate reach of geo-engineers and technicians, whether they be in the field or office. It assembles and organizes the most-needed set of equations, tables, graphs and check-lists on six major subfields of geo-engineering: investigations, testing, properties, hazards, structures and works. This practical reference for the professional and others interested in the subject of ground engineering skips lengthy definitions to highlight best practice and methods proven most effective. While reflecting codes and standards, it also fills the gaps with non-standard approaches when existing ones are skimpy on practical details or agreement. Enhanced by 146 illustrations and 83 tables, the Practical Guide to Geo-Engineering points users to supporting information and data through its extensive reference list. Audience: This book is of interest to everyone involved in practical geo-engineering.

Preventive Methods for Coastal Protection - Towards the Use of Ocean Dynamics for Pollution Control (Hardcover, 2013 ed.):... Preventive Methods for Coastal Protection - Towards the Use of Ocean Dynamics for Pollution Control (Hardcover, 2013 ed.)
Tarmo Soomere, Ewald Quak
R2,867 Discovery Miles 28 670 Ships in 10 - 15 working days

The aim of the book is to present for non-specialist researchers as well as for experts a comprehensive overview of the background, key ideas, basic methods, implementation details and a selection of solutions offered by a novel technology for the optimisation of the location of dangerous offshore activities in terms of environmental criteria, as developed in the course of the BalticWay project. The book consists of two parts. The first part introduces the basic principles of ocean modeling and depicts the long way from the generic principles to the practical modeling of oil spills and of the propagation of other adverse impacts. The second part focuses on the techniques for solving the inverse problem of the quantification of offshore areas with respect to their potential to serve as a source of environmental danger to vulnerable regions (such as spawning, nursing or also tourist areas). The chapters are written in a tutorial style; they are mostly self-contained and understandable for non-specialist researchers and students. They are carefully peer-reviewed by international experts. The goal was to produce a book that highlights all key steps, methods, models and data sets it is necessary to combine in order to produce a practically usable technology and/or decision support system for a particular sea region. Thus the book is useful not only as a description and a manual of this particular technology but also as a roadmap highlighting the complicated technical issues of ocean modeling for practical purposes. It describes the approaches taken by the authors in an understandable way and thus is useful for educational purposes, such as a course in industrially and environmentally relevant applications of ocean modeling.

Electroanalytical Methods in Chemical and Environmental Analysis (Hardcover, 1987 ed.): R. Kalvoda Electroanalytical Methods in Chemical and Environmental Analysis (Hardcover, 1987 ed.)
R. Kalvoda
R4,310 Discovery Miles 43 100 Ships in 12 - 17 working days
5G Cyber Risks and Mitigation (Hardcover): Sabhyata Soni 5G Cyber Risks and Mitigation (Hardcover)
Sabhyata Soni
R2,905 Discovery Miles 29 050 Ships in 12 - 17 working days

• Technical language made simple • Researched matter • Maximum illustrations • To the point matter • Authored by a qualified person who is teaching in this field for the last 25 years

Interdisciplinary Perspectives on Socioecological Challenges - Sustainable Transformations Globally and in the EU (Paperback):... Interdisciplinary Perspectives on Socioecological Challenges - Sustainable Transformations Globally and in the EU (Paperback)
Anders Siig Andersen, Henrik Hauggaard Nielsen, Thomas Budde Christensen, Lars Hulgaard
R1,122 Discovery Miles 11 220 Ships in 12 - 17 working days

This book explores interdisciplinary perspectives on socioecological challenges and offers innovative solutions at both a European and global level. This book critically reflects on the latest scientific knowledge regarding the increasing instability of the Earth System caused by human activities during the Anthropocene and the Great Acceleration. It focuses on the global and European challenges regarding climate, resources, bio-integrity, and environment. The authors assess the obstacles to overcoming these challenges and examine the risks posed by path dependencies, lock-ins, and trade-offs between global and regional goals. They also drill down into the complexities of the European Green Deal, specifically the similarities and differences between the scientific analyses and recommendations from the European Environment Agency and the content of the Deal. Finally, the book looks at the Just Transition put forward by the European Green Deal. The authors discuss this in a context of global and European ecological and socioecological challenges and put the question of equality, recognition, and democratization at the center. Outlining new pathways to broaden the scope of scientific collaboration between the natural and technical sciences and the social sciences and the humanities, this volume will be of great interest to students and scholars of sustainable development, environmental policy and governance, and environmental justice.

Real World AI Ethics for Data Scientists - Practical Case Studies (Paperback): Nachshon (Sean) Goltz, Tracey Dowdeswell Real World AI Ethics for Data Scientists - Practical Case Studies (Paperback)
Nachshon (Sean) Goltz, Tracey Dowdeswell
R1,285 R1,201 Discovery Miles 12 010 Save R84 (7%) Ships in 12 - 17 working days

Designed to offer an accessible set of case studies and analyses of ethical dilemmas in data science. This book will be suitable for technical readers in data science who want to understand diverse ethical approaches to AI.

Introduction to Design Theory - Philosophy, Critique, History and Practice (Paperback): Michalle Gal, Jonathan Ventura Introduction to Design Theory - Philosophy, Critique, History and Practice (Paperback)
Michalle Gal, Jonathan Ventura
R1,109 Discovery Miles 11 090 Ships in 12 - 17 working days

- Provides a cross-disciplinary overview of design theory through the lens of cultural studies, aesthetics and history - Offers a departure from the traditional compartmentalization of practice, history and theory - Engages student readers in contemporary design debates surrounding responsibility, cultural and social awareness and the contexts products are manufactured within.

Impact of Air Pollutants on Southern Pine Forests (Hardcover, 1996 ed.): Susan Fox, Robert A. Mickler Impact of Air Pollutants on Southern Pine Forests (Hardcover, 1996 ed.)
Susan Fox, Robert A. Mickler
R4,303 Discovery Miles 43 030 Ships in 12 - 17 working days

The public's attitude toward air pollution in the United States evolved substantially during the 1960s. One of the results of the nation's emerging environmental ethic was the creation of the U. S. Environmental Protection Agency (EPA) in December of 1970. Prior to this time, research was focused on the impacts of air pollution on human health and welfare and was largely conducted by several federal research agencies, which included the Department of Health, Education, and Welfare; the National Oceanic and Atmospheric Administration; and the U. S. Department of Agricul ture. After the creation of the EPA, much of this work was consolidated in one regulatory agency, which resulted in periodic evaluations of the various effects of atmospheric pollution on human health, materials, agriculture, and forest ecosystems. At the same time that environmental interest was growing in the United States, concern increased in the European scientific community and public over the ecological impacts of acidic deposition. As the magnitude of the damage to European lakes and streams and the widespread decline in Norway spruce and silver fir was reported, concern that similar problems were occurring in the United States increased substantially. This concern was heightened by press reports of high elevation spruce-fir forest declines in the Adirondack and Appalachian Mountains and the decline and death of sugar maples in the northeastern United States and Canada.

Energy and Environmental Challenges to Security (Hardcover, 2009 ed.): Stephen Stec, Besnik Baraj Energy and Environmental Challenges to Security (Hardcover, 2009 ed.)
Stephen Stec, Besnik Baraj
R8,850 R8,207 Discovery Miles 82 070 Save R643 (7%) Ships in 12 - 17 working days

On 21 November 2007 the grand and elegant Delegates Hall of the Hungarian Parliament was the scene of the opening of a conference to discuss some of the most pressing issues of the day, those related to our unending thirst for energy, its environmental consequences, and the challenges that these bear on security. Over the next 3 days scientists, parliamentarians and their guests confronted, challenged, teased and cajoled each other in a NATO Advanced Research Workshop (ARW) entitled "Energy and Environmental Challenges to Security," affirming that knowledge and public service hold the keys to solving our greatest challenges. The magnitude of the security challenge was confirmed while this volume was being prepared. In mid-2008, the International Energy Agency issued a report concluding that US$45 trillion would be needed over the next half century to prevent energy shortages and greenhouse gas emissions from undermining global economic growth. But lest such large numbers cause us all to shrug, this volume brings attention to some of the more manageable aspects of the environment and energy security challenge - from addressing conflict resources such as illegal timber that contribute to corruption and regional instability, to means and mechanisms to enable the diversification of energy supplies, to environmental risk reduction strategies for particular installations. The participants in the Hungarian Parliament building were atypical for a NATO Advanced Research Workshop.

Reviews of Environmental Contamination and Toxicology - Continuation of Residue Reviews (Hardcover, 1997 ed.): George W Ware Reviews of Environmental Contamination and Toxicology - Continuation of Residue Reviews (Hardcover, 1997 ed.)
George W Ware
R2,862 Discovery Miles 28 620 Ships in 10 - 15 working days

International concern in scientific, industrial, and governmental communities of xenobiotics in foods and in both abiotic and biotic environments over traces has justified the present triumvirate of specialized publications in this field: comprehensive reviews, rapidly published research papers and progress reports, and archival documentations. These three international publications are inte grated and scheduled to provide the coherency essential for nonduplicative and current progress in a field as dynamic and complex as environmental contamina tion and toxicology. This series is reserved exclusively for the diversified litera ture on "toxic" chemicals in our food, our feeds, our homes, recreational and working surroundings, our domestic animals, our wildlife and ourselves. Tre mendous efforts worldwide have been mobilized to evaluate the nature, pres ence, magnitude, fate, and toxicology of the chemicals loosed upon the earth. Among the sequelae of this broad new emphasis is an undeniable need for an articulated set of authoritative publications, where one can find the latest impor tant world literature produced by these emerging areas of science together with documentation of pertinent ancillary legislation. Research directors and legislative or administrative advisers do not have the time to scan the escalating number of technical publications that may contain articles important to current responsibility. Rather, these individuals need the background provided by detailed reviews and the assurance that the latest infor mation is made available to them, all with minimal literature searching."

Acid Waters in Wales (Hardcover, 1990 ed.): R.W. Edwards, A.S. Gee, J.H. Stoner Acid Waters in Wales (Hardcover, 1990 ed.)
R.W. Edwards, A.S. Gee, J.H. Stoner
R4,336 Discovery Miles 43 360 Ships in 12 - 17 working days

This book brings together research into the process of stream acidification and its impact on Welsh surface waters, carried out over the past decade or so. It is perhaps surprising that not until the 1980's was clear evidence of stream acidification assembled. In Wales, concerns over pollution had focused water quality sampling principally on the areas of traditional heavy industry and large urban popula tions served by inadequate sewerage systems and sewage disposal arrange ments. Mistakenly, it had been assumed that, with its prevailing westerly winds, Wales would receive precipitation substantially unpolluted by the industrial and urban emissions from Britain and mainland Europe. Assurance of the high quality of Welsh upland streams, the traditional nursery ground of salmonids, was eroded particularly by studies in the vicinity of Llyn Brianne reservoir in the catchment of the River Tywi of Central Wales. These demonstrated a clear correspondence between the biological quality and fisheries of streams in the catchment and aspects of stream chemistry, par ticularly pH, aluminium and calcium on the one hand, and catchment land use on the other. It is salutary to record that the first signals were of an inexplicable failure of the runs of migratory salmonids into the upper catchment, occupied by the Llyn Brianne reservoir and its influent streams, and the failure to restore the fishery by re-stocking with eggs and fry. Only then did the significance of the recent decline in some other upland lake and reservoir fisheries in Wales become apparent."

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