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Books > Earth & environment > The environment > Conservation of the environment

Environmental Sustainability: Green Measures (Hardcover): Kane Harlow Environmental Sustainability: Green Measures (Hardcover)
Kane Harlow
R3,274 Discovery Miles 32 740 Ships in 12 - 17 working days
On the Marsh - A Year Surrounded by Wildness and Wet (Paperback): Simon Barnes On the Marsh - A Year Surrounded by Wildness and Wet (Paperback)
Simon Barnes
R240 R227 Discovery Miles 2 270 Save R13 (5%) Ships in 12 - 17 working days

'He does write beautifully, especially of his greatest love - our wild birds ... On The Marsh is a delightful read.' Christopher Hart, Daily Mail How the rewilding of eight acres of Norfolk marshland inspired a family and brought nature even closer to home. When writer Simon Barnes heard a Cetti's warbler sing out as he turned up to look at a house for sale, he knew immediately that he had found his new home. The fact that his garden backed onto an area of marshy land only increased the possibilities, but there was always the fear that it might end up in the wrong hands and be lost to development or intensive farming. His wife saw through the delicate negotiations for the purchase. Once they'd bought it, they began to manage it as a conservation area, working with the Wildlife Trust to ensure it became as appealing as possible to all species. For their son Eddie, who has Down's syndrome, it became a place of calm and inspiration. In On The Marsh, we see how nature can always bring surprises, and share in the triumphs as new animals - Chinese water deer, otters and hedgehogs - arrive, and watch as the number of species of bird tops 100 and keeps on growing. As the seasons go by, there are moments of triumph when not one but two marsh harrier families use the marsh as a hunting ground, but also disappointments as chemical run-off from neighbouring farmland creates a nettles monoculture in newly turned earth. For anyone who enjoyed books such as Meadowland and Wilding, or the writing of Stephen Moss, Roger Deakin or Adam Nicolson, this is a vivid and beautifully written account of the wonders that can sometimes be found on our doorsteps, and how nature can transform us all.

The Story of My Boyhood and Youth (Hardcover): John Muir The Story of My Boyhood and Youth (Hardcover)
John Muir
R645 Discovery Miles 6 450 Ships in 12 - 17 working days
Tapestries of Life - Uncovering the Lifesaving Secrets of the Natural World (Paperback): Anne Sverdrup-Thygeson Tapestries of Life - Uncovering the Lifesaving Secrets of the Natural World (Paperback)
Anne Sverdrup-Thygeson; Translated by Lucy Moffatt
R231 Discovery Miles 2 310 Ships in 12 - 17 working days

The second book by the bestselling author of Extraordinary Insects Trees clean air and water; hoverflies and bees pollinate our crops; the kingfisher inspired the construction of high-speed trains. In Tapestries of Life, bestselling author Anne Sverdrup-Thygeson explains how closely we are all connected with the natural world, highlighting our indelible link with nature's finely knit system and our everyday lives. In the heart of natural world is a life-support system like no other, a collective term that describes all the goods and services we receive - food, fresh water, medicine, pollination, pollution control, carbon sequestration, erosion prevention, recreation, spiritual health and so much more. In this utterly captivating book, Anne Sverdrup-Thygeson sets out to explore these wonderful, supportive elements - taking the reader on a journey through the surprising characteristics of the natural world.

Chemistry for the Protection of the Environment 4 (Hardcover, 2005 ed.): Robert Mournighan, Marzenna R. Dudzinska, John Barich,... Chemistry for the Protection of the Environment 4 (Hardcover, 2005 ed.)
Robert Mournighan, Marzenna R. Dudzinska, John Barich, Marjorie A. Gonzalez, Robin K. Black
R5,965 Discovery Miles 59 650 Ships in 10 - 15 working days

Chemistry for the Protection of the Environment 4 focuses on:

a [ Environmental aspects of agricultural practices

a [ Field characterization and quantification of chemical constituents

a [ Fate of contaminants in the environment/environmental monitoring

a [ Thermal treatment technologies

a [ Remediation of contaminated sites

a [ Wastewater treatment and sludge management

a [ Environmental Security

a [ Risk Assessment and Environmental Management

This volume is the proceedings of the first CPE conference in the new millennium and the thirteenth in a well-established series of conferences on Chemistry for the Protection of the Environment, first established in 1976. With support of the U.S. EPA, the series of conferences provides an opportunity for interdisciplinary exchange of ideas among international specialists, from diverse fields and backgrounds, on the chemical aspects of environmental protection. Over the years, the CPE conferences have gathered participants from more and more countries, and the scope of interests have been broadened. Held in Hilo, Hawaii, this was the first of these international conferences to take place in the United States. The Organizing Committee attracted to the conference a wide range of talented scientists and engineers who have useful ideas to contribute on how to clean our environment.

Any pollution control or pollution cure action today must take into consideration not only one element of the environment, like water, air or soil but also proper environmental handling and related problems. In all cases, chemical processes play a highly significant role. In recent years there has been a shift from wastewatertechnologies and pollutant monitoring problems to environment management and solid wastes issues. This book provides a forum for chemical scientists and engineers who are dedicated to the worthy mission of making a cleaner, healthier world for everyone.

The central goals of Chemistry for the Protection of the Environment are to improve technology transfer and scientific dialogue, thereby leading to better comprehension of and solution to a broad spectrum of environmentally related problems.

Ancient Truth Collides with a Modern Heresy - The Spirit of the Republic Calls to the Soul of a Nation. (Hardcover): Dean E Neff Ancient Truth Collides with a Modern Heresy - The Spirit of the Republic Calls to the Soul of a Nation. (Hardcover)
Dean E Neff
R842 Discovery Miles 8 420 Ships in 12 - 17 working days

This study presents a challenging wake-up call to Christians and all Americans who cherish our unique republic and our precious faith and freedoms. We find ourselves under a full assault from ancient heresies and modern doctrines of devils, and we must pull the mask off the false gods of environmental and creation worship.

International Competitiveness and Environmental Policies (Hardcover): Terry Barker, Jonathan Koehler International Competitiveness and Environmental Policies (Hardcover)
Terry Barker, Jonathan Koehler
R3,621 Discovery Miles 36 210 Ships in 12 - 17 working days

Government policies to reduce environmental pollution and global warming are often criticized as damaging to the economy, particularly by reducing international competitiveness. This book addresses the issue by examining many of the policies concerned, and their effects on competitiveness. It demonstrates that well-designed, market-oriented environmental policies may be expected to improve both domestic and international competitiveness. The authors dismiss the fear that environmental policies will damage competitiveness by approaching the issue from four different perspectives: the economic analysis of competitiveness; a geo-economic approach to trade and foreign investment between Europe, NAFTA and Southeast Asia; studies of the effects of environmental policies on competitiveness; and the formal modelling of carbon taxation, international competitiveness and carbon leakage. The book also includes results from a global econometric model on the potential for carbon leakage, a detailed case study of German national policies, an examination of life cycle analysis and competitiveness, and an empirical study of green product development. This book will be of great interest to academics working in the field of environmental economics and researchers involved in environmental policy.

Black Ops and Beaver Bombing - Adventures with Britain's Wild Mammals (Hardcover): Fiona Mathews, Tim Kendall Black Ops and Beaver Bombing - Adventures with Britain's Wild Mammals (Hardcover)
Fiona Mathews, Tim Kendall
R554 R466 Discovery Miles 4 660 Save R88 (16%) Ships in 9 - 15 working days

'Elegiac, informative and funny; some truly magical encounters in the wild' Peter Fiennes Britain is teeming with wildlife, often in the most unexpected places. There are stone mines where bats hang out with pot-smoking teenagers and water voles thrive without water in Glaswegian parklands. Our coastlines are laden with seals. That’s the good news. The bad news is that a quarter of British mammals are at imminent risk of extinction. Tim Kendall and Fiona Mathews take us on a safari unlike any other. Armed with binoculars, a Thermos and, regrettably, an inexhaustible supply of puns, they travel from Scotland to the Isles of Scilly in search of their elusive subjects. You’ll find answers to questions you never thought to ask: do pine marten droppings really smell like Parma Violets? Should we give squirrels access to family planning? And what do wild boar have in common with a certain royal? Black Ops and Beaver Bombing is a celebration of Britain’s marvellous mammals, and a rallying cry to save them.

Sexual Segregation in Ungulates - Ecology, Behavior, and Conservation (Hardcover): R. Terry Bowyer Sexual Segregation in Ungulates - Ecology, Behavior, and Conservation (Hardcover)
R. Terry Bowyer
R1,669 Discovery Miles 16 690 Ships in 12 - 17 working days

Why does it benefit some male and female animals to live separately? Sexual segregation, wherein the sexes of a species live apart for long periods of time, has far-reaching consequences for the ecology, behavior, and conservation of hooved mammals, which are called ungulates. Award-winning researcher R. Terry Bowyer has spent the past four decades unravelling the causes and consequences of this perplexing phenomenon by studying ungulates and the large carnivores that prey upon them. In Sexual Segregation in Ungulates, Bowyer's critical, thought-provoking approach helps resolve long-standing disagreements concerning sexual segregation and offers future pathways for species and habitat conservation. He highlights important elements of the natural history of wild ungulate species, including bighorn sheep and elk. He then uses this perspective to frame and test hypotheses illuminating the motivations behind sexual segregation. He investigates the role of sexual segregation in mechanisms underpinning ungulate mating systems, sexual dimorphism, paternal behavior, and population dynamics. Bowyer's research spans ecosystems from deserts to the Arctic and involves most species of ungulates inhabiting the North American continent. He also provides a timely review of sexual segregation for species of plants and other animals, including humans. Covering definitions, theory, findings, and practical applications of related study, Bowyer describes the behavioral patterns related to sexual segregation, explains how to detect these patterns, and considers the implications of sexual segregation for new approaches to conservation and management of ungulates and other species of wildlife. This book is essential reading for scientists and all those interested in the conservation and management of species, including wildlife professionals, hunters, outdoor enthusiasts, and naturalists.

The Responsible Traveller - A Practical Guide to Reducing Your Environmental and Social Impact, Embracing Sustainable Tourism... The Responsible Traveller - A Practical Guide to Reducing Your Environmental and Social Impact, Embracing Sustainable Tourism and Travelling the World With a Conscience (Paperback)
Karen Edwards
R182 Discovery Miles 1 820 Ships in 12 - 17 working days

The Responsible Traveller is your ticket to sustainable and ethical travel. This pocket-sized book provides the knowledge and tools that can help you to explore the world with a lighter footprint. Whether you travel out of curiosity, to find respite, to remind yourself of how vast and wonderful our planet is, or in search of life-shaping adventures, having the freedom to explore can be exhilarating and hugely rewarding. However we owe it to the people, cultures, ecosystems and wildlife that we encounter along the way to travel with respect; to preserve our beautiful world for generations to come. The Responsible Traveller will show you how to make actionable changes that result in more thoughtful and adventurous travels, while also doing our very best for Planet Earth. Through case studies and storytelling, you'll learn about the environmental and social effects of tourism and gain a deeper understanding of cultural sensitivity. And through simple, achievable tips and practical lifestyle changes, you'll discover how you can make an almighty difference in reducing your impact. Empowered with this information, perhaps your next adventure will be inspired by consideration, understanding and compassion.

Environmental Sustainability for Engineers and Applied Scientists (Hardcover): Greg Peters, Magdalena Svanstroem Environmental Sustainability for Engineers and Applied Scientists (Hardcover)
Greg Peters, Magdalena Svanstroem
R2,635 Discovery Miles 26 350 Ships in 12 - 17 working days

This textbook presents key theoretical approaches to understanding issues of sustainability and environmental management, perfectly bridging the gap between engineering and environmental science. It begins with the fundamentals of environmental modelling and toxicology, which are then used to discuss qualitative and quantitative risk assessment methods, and environmental assessments of product design. It discusses how business and government can work towards sustainability, focusing on managerial and legal tools, before considering ethics and how decisions on environmental management can be made. Students will learn quantitative methods while also gaining an understanding of qualitative, legal, and ethical aspects of sustainability. Practical applications are included throughout, and there are study questions at the end of each chapter. PowerPoint slides and jpegs of all the figures in the book are provided online. This is the perfect textbook on environmental studies for engineering and applied science students.

Back to Earth - What Life in Space Taught Me About Our Home Planet-And Our Mission to Protect It (Hardcover): Nicole Stott Back to Earth - What Life in Space Taught Me About Our Home Planet-And Our Mission to Protect It (Hardcover)
Nicole Stott
R744 R638 Discovery Miles 6 380 Save R106 (14%) Ships in 9 - 15 working days

When NASA Astronaut Nicole Stott first saw the Earth from space, she was filled with awe. Our shared home was a brilliant blue marble, with a razor thin atmosphere protecting billions of people, including everyone she loved. She realized that we are all bound together on this fragile planet. When she came back to earth, she knew she had to share this vision to help protect it. Stott knows the scale of the daunting task at hand-and yet, she believes we can set aside our differences and work together to tackle the most challenging planetary problems humanity has ever faced. She knows this, because she's seen it happen, on the International Space Station. Throughout her book, Stott imparts hard-won lessons in high-stakes problem solving, survival, and responding to crisis in space. On a space station, astronauts can't wait for someone else to handle a rescue; and when it comes to our earthbound problems, Stott learned that everyone should live like a crewmember, not like a passenger. In space, where everyone survives in a closed system, everything is local-and Stott discovered that in a profound way, the same is true back at home. Back to Earth distills these lessons and more into seven principles that can be practiced by each and every one of us to make much-needed change. In addition to sharing stories from her own spaceflight, Stott offers eye-opening insights from scientists and changemakers already sparking meaningful change in their communities and around the globe. She explores the complexities and splendor of the earth's biodiversity, and what it takes to preserve it, with both pioneering scientists on earth and engineers working to enable life in space. She meets with activists who use their time in space to advocate for clean water, and with executives who quit their corporate positions and use their global reach to become environmental leaders. Through her stirring call to action, Nicole Stott reveals how we each have the power to respect the Earth and one another-and to change our own lives in the process. And, while we're at it, we might just save humanity.

Social Movements, Public Spheres and the European Politics of the Environment - Green Power Europe? (Hardcover): Hein-Anton van... Social Movements, Public Spheres and the European Politics of the Environment - Green Power Europe? (Hardcover)
Hein-Anton van der Heijden
R1,534 Discovery Miles 15 340 Ships in 10 - 15 working days

This book examines how the European environmental movement, as part of an emerging European civil society, has impinged on the problem definitions and solution strategies in the European politics of the environment. Examining core case studies in European environmental policy - biodiversity politics (Natura 2000), the politics of genetically modified organisms, Trans-European Transport Networks, and the European politics of climate change - this study, written at the crossroads of social movement, public sphere and political discourse theory, argues that a social movement's most important feature is its 'cognitive praxis', its ability to successfully challenge dominant conceptions of realty and to create new green public spheres. It examines whether 'ecological modernization' is able to solve the tension between economic growth and environmental protection, and to what extent European environmentalism has contributed to the emergence of a green 'normative power Europe'.

The Secret Life of Corals - Sex, War and Rocks that Don't Roll (Hardcover): David E. Vaughan The Secret Life of Corals - Sex, War and Rocks that Don't Roll (Hardcover)
David E. Vaughan
R784 Discovery Miles 7 840 Ships in 12 - 17 working days
The Barbary Macaque - A Case Study in Conservation (Hardcover, 1984 ed.): Julia E. Fa The Barbary Macaque - A Case Study in Conservation (Hardcover, 1984 ed.)
Julia E. Fa
R3,023 Discovery Miles 30 230 Ships in 10 - 15 working days

The Barbary macaque (all too often mistakenly called an ape) was first brought to the attention of the Conservation Working Party of the Primate Society of Great Britain late 1979 when John Fa reported that 'surplus' animals were being sent from Gibraltar to dubious locations, such as an Italian safari park. Since there had been no scientific input into the Army's management of the monkey colony on Gibraltar, and there was concern about inbreeding, nutrition and health - about the long-term viability of the colony, it was felt that the Society could help. The Gibraltar Scientific Authority and the Army were very receptive to our offer and ideas, and this topic occupied successive chairmen over the last few years - Robin Dunbar and Richard Wrangham, myself and now Miranda Stevenson - with constant prompting and help from John Fa. Considerations soon extended to the status of the species as a whole, so that there have been three main aspects:- (1) the improved health of a larger self-sustaining population on Gibraltar, (2) the status and behavioural biology of natural populations in North Africa (Morocco and Algeria), and (3) the breeding achievements in European parks and zoos, and their potential for reintroduction to suitable areas in North Africa, along with other possibilities. Robin Dunbar organized the compilation of recommendations for managing the Gibraltar colony with regard to numbers, age-sex struc ture and behavioural relationships, with some observations on diet to avoid obesity and infertility.

Water Pollution: Concerns, Concepts and Analysis (Hardcover): Sheryl McMillan Water Pollution: Concerns, Concepts and Analysis (Hardcover)
Sheryl McMillan
R1,860 R1,696 Discovery Miles 16 960 Save R164 (9%) Ships in 10 - 15 working days
Biotechnology in the Sustainable Environment (Hardcover): Gary S. Sayler, John Sanseverino, Kimberly L. Davis Biotechnology in the Sustainable Environment (Hardcover)
Gary S. Sayler, John Sanseverino, Kimberly L. Davis
R2,556 Discovery Miles 25 560 Ships in 12 - 17 working days

Challenges and Opportunities in the Area of Environmental Biotechnology; G.S. Sayler. Advances in Sustainable Biotechnology: Global Trends Affecting Green Technology; D. Miller. Green Chemistry: Using Enzymes As Benign Substitutes for Synthetic Chemicals and Harsh Conditions in Industrial Processes; G.E. Nedwin. The State-of-The-Science in Environmental Biotechnology and Remediation: Phytoremediation Applications for Removing Heavy Metal Contamination from Soil and Water; B.D. Ensley, et al. The Role of Microbial PCB Dechlorination in Natural Restoration and Bioremediation; D.L. Bedard, H.M. Van Dort. Environmental Biotechnology at Home and Abroad: Environmental Biotechnology Issues in the United States Federal Government; D.J. Grimes. Environmental Monitoring, Risk Analysis, and Applications to Bioremediation: Environmentally Acceptable Endpoints: The Scientific Approach to Clean-Up Levels; D. Ritter. Advances in Wastewater Treatment Technology: Biotreatability Kinetics: A Critical Component in the Scale-Up of Wastewater Treatment Systems; C.P.L. Grady, Jr., et al. Summary: Biotechnology in the Sustainable Environment: A Review; J.J. Gauthier. 23 Additional Artricles. Index.

Warfare Ecology - A New Synthesis for Peace and Security (Hardcover, Edition.): Gary E. Machlis, Thor Hanson, Zdravko Spiric,... Warfare Ecology - A New Synthesis for Peace and Security (Hardcover, Edition.)
Gary E. Machlis, Thor Hanson, Zdravko Spiric, Jean E. McKendry
R4,480 Discovery Miles 44 800 Ships in 10 - 15 working days

The purpose of this book is specific and ambitious: to outline the distinctive elements, scope, and usefulness of a new and emerging field of applied ecology named warfare ecology. Based on a NATO Advanced Research Workshop held on the island of Vieques, Puerto Rico, the book provides both a theoretical overview of this new field and case studies that range from mercury contamination during World War I in Slovenia to the ecosystem impacts of the Palestinian occupation, and from the bombing of coral reefs of Vieques to biodiversity loss due to violent conflicts in Africa. Warfare Ecology also includes reprints of several classical papers that set the stage for the new synthesis described by the authors. Written for environmental scientists, military and humanitarian relief professionals, conservation managers, and graduate students in a wide range of fields, Warfare Ecology is a major step forward in understanding the relationship between war and ecological systems.

Biochar in Agriculture for Achieving Sustainable Development Goals (Paperback): Daniel C. W. Tsang, Yong Sik Ok Biochar in Agriculture for Achieving Sustainable Development Goals (Paperback)
Daniel C. W. Tsang, Yong Sik Ok
R3,100 Discovery Miles 31 000 Ships in 12 - 17 working days

Biochar in Agriculture for Achieving Sustainable Development Goals introduces the state-of-the-art of biochar for agricultural applications to actualize sustainable development goals and highlight current challenges and the way forward. The book focuses on scientific knowledge and biochar technologies for agricultural soil improvement and plant growth. Sections provide state-of-the-art knowledge on biochar production and characterization, focus on biochar for agricultural application and soil improvement, discuss the roles of biochar for environmental improvement in farmland to relieve water and waste management as well as climate change, highlight biochar used for boosting bioeconomy and clean energy, and discuss future prospects. This book will be important to agricultural engineers and researchers as well as those seeking to improve overall soil and environmental conditions through the use of biochar.

You and The Environment - The How's of Environmental Protection Ecology Books Grade 3 Children's Environment Books... You and The Environment - The How's of Environmental Protection Ecology Books Grade 3 Children's Environment Books (Hardcover)
Baby Professor
R636 Discovery Miles 6 360 Ships in 12 - 17 working days
Environment in the 21st Century and New Development Patterns (Hardcover, 2001 ed.): K. Matsushita Environment in the 21st Century and New Development Patterns (Hardcover, 2001 ed.)
K. Matsushita; Adapted by Randal Helten
R4,535 Discovery Miles 45 350 Ships in 12 - 17 working days

Economic growth after World War II was made possible through dramatic increases in the use of material resources and energy. It is apparent that current development patterns followed by industrialized countries are causing serious environmental problems and that they are neither ecologically nor socially sustainable. In recent years, many Asian developing countries, which have suffered from poverty for decades, are experiencing high rates of economic growth by introducing material-intensive production and consumption patterns. The globalization trends magnify on a global scale the problems associated with current development patterns. How can we transform existing economic and social systems into more environmentally benign and sustainable ones? This book presents a number of issues that must be considered whn discussing new development patterns, which are environmentally friendly and socially fair. It covers concepts of new development patterns, new energy and water supply, sustainable agriculture, information technology and environment, information disclosure and poverty alleviation. Audience: This volume will be of interest to those who are involved in innovative interdisciplinary policy studies on environment and development, particularly in Asia and the Pacific region. Also those who are interested in realizing sustainable development through agriculture, water supply, information technology, chemical industry and sustainability issues in China and India.

Do You Know Them? Endangered Animals Book Grade 4 Children's Nature Books (Hardcover): Baby Professor Do You Know Them? Endangered Animals Book Grade 4 Children's Nature Books (Hardcover)
Baby Professor
R664 Discovery Miles 6 640 Ships in 12 - 17 working days
Environmental Challenges in the Baltic Region - A Perspective from Economics (Hardcover, 1st ed. 2017): Ranjula Bali Swain Environmental Challenges in the Baltic Region - A Perspective from Economics (Hardcover, 1st ed. 2017)
Ranjula Bali Swain
R4,441 Discovery Miles 44 410 Ships in 10 - 15 working days

This book explores environmental challenges in the Baltic region from an economic perspective. Featuring contributions from regional experts from Nordic, Baltic and Eastern European countries it addresses the response to eutrophication caused by increased loads of nutrients to the sea from agriculture, wastewater, industry and traffic, and cost-effective solutions to reach the Baltic Sea Action Plan (BSAP) targets, set up through the Helsinki Commission (HELCOM). Contributions also explore the environmental impacts of rural landscape change during the post-communist period in the Baltic Sea region and a review of the ex-post evaluations of the costs and benefits generated by Baltic Sea nutrient abatement policies. Public policies towards marine protection, wind power establishment, and attitudes to paying for environmental protection, environmental resilience and the international cooperation in the Baltic region are also discussed.

Pasture Landscapes and Nature Conservation (Hardcover, 2002 ed.): Bernd Redecker, Werner Hardtle, Peter Finck, Uwe Riecken,... Pasture Landscapes and Nature Conservation (Hardcover, 2002 ed.)
Bernd Redecker, Werner Hardtle, Peter Finck, Uwe Riecken, Eckhard Schroeder
R3,033 Discovery Miles 30 330 Ships in 10 - 15 working days

One of the main problems and aims of nature conservation in Europe is to protect semi-open landscapes. The development during the past decades is characterized by an ongoing intensivation of land use on the one hand, and an increasing number of former meadows and pastures lying fallow caused by changing economic conditions on the other hand. In several countries the estabishment of larger "pasture landscapes" with a mixed character of open grassland combined with shrubs and forests has been recognized as one solution to this problem. The book gives an overview of the European projects concerning to this topic - nature conservation policy and strategies, scientific results and practical experiences creating large scale grazing systems.

State of the World's Oceans (Hardcover, 2009 ed.): Michelle Allsopp, Stefan E. Pambuccian, Paul Johnston, David Santillo State of the World's Oceans (Hardcover, 2009 ed.)
Michelle Allsopp, Stefan E. Pambuccian, Paul Johnston, David Santillo
R2,962 Discovery Miles 29 620 Ships in 10 - 15 working days

The world's oceans cover 70% of the earth's surface and are home to a myriad of amazing and beautiful creatures. However, the biodiversity of the oceans is incre- ingly coming under serious threat from many human activities including overfi- ing, use of destructive fishing methods, pollution and commercial aquaculture. In addition, climate change is already having an impact on some marine ecosystems. This book discusses some of the major threats facing marine ecosystems by cons- ering a range of topics, under chapters discussing biodiversity (Chapter 1), fisheries (Chapter 2), aquaculture (Chapter 3), pollution (Chapter 4) and the impacts of increasing greenhouse gas emissions (Chapter 5). It goes on to explore solutions to the problems by discussing equitable and sustainable management of the oceans (Chapter 6) and protecting marine ecosystems using marine reserves (Chapter 7). Presently, 76% of the oceans are fully or over-exploited with respect to fishing, and many species have been severely depleted. It is abundantly clear that, in general, current fisheries management regimes are to blame for much of the widespread degradation of the oceans. Many policy-makers and scientists now agree that we must adopt a radical new approach to managing the seas - one that is precautionary in nature and has protection of the whole marine ecosystem as its primary objective. This 'ecosystem-based approach' is vital if we are to ensure the health of our oceans for future generations.

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