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Books > Earth & environment > The environment > Conservation of the environment > Conservation of wildlife & habitats > General

The International Politics of Bird Conservation - Biodiversity, Regionalism and Global Governance (Hardcover): Robert Boardman The International Politics of Bird Conservation - Biodiversity, Regionalism and Global Governance (Hardcover)
Robert Boardman
R3,398 Discovery Miles 33 980 Ships in 12 - 19 working days

The International Politics of Bird Conservation assesses international cooperation on migratory and endangered birds in different regions of the world. Robert Boardman illustrates that - although birds are protected in international treaties, by national legislation and through the projects of non-governmental organizations - the threats to many species have mounted. Threats arise from ecologically inappropriate agricultural and forestry practices, the spread of cities and the draining of wetlands, among other factors. The author focuses on regional cooperation between governments, NGOs and international organizations. It questions the effectiveness of international cooperation on the protection of birds, particularly migratory and endangered species. The rise of conservation-related scientific research and the historical evolution of bird protection efforts are discussed, as are regional developments in Africa, the Americas, the Arctic, Antarctica, Asia, Australasia, and Europe. The author concludes by identifying emerging trends in environmental governance and suggesting reforms to strengthen these arrangements. This book will prove a fascinating read for researchers, academics, organizations and specialists in a wide range of fields including: bird conservation and wildlife protection, environmental law and policy, global governance, regionalism and transborder cooperation.

Saving Nature's Legacy - Origins of the Idea of Biological Diversity (Hardcover): Timothy J. Farnham Saving Nature's Legacy - Origins of the Idea of Biological Diversity (Hardcover)
Timothy J. Farnham
R2,052 Discovery Miles 20 520 Ships in 12 - 19 working days

Biological diversity is considered one of today's most urgent environmental concerns, yet the term was first coined only twenty-five years ago. Why did the concept of biological diversity so quickly capture public attention and emerge as a banner issue for the environmental movement? In this book, Timothy J. Farnham explores for the first time the historical roots of biological diversity, tracing the evolution of the term as well as the history of the conservation traditions that contributed to its rapid acceptance and popularity.
Biological diversity is understood today as consisting of three components--species diversity, genetic diversity, and ecosystem diversity. Farnham finds that these three tiers coincided with three earlier, disparate conservation traditions that converged when the cause of preserving biological diversity was articulated. He tells the stories of these different historical foundations, recounts how the term came into the environmental lexicon, and shows how the evolution of the idea of biological diversity reflects an evolution of American attitudes toward the natural world.

Management Planning for Nature Conservation - A Theoretical Basis & Practical Guide (Paperback, 2nd ed. 2013): Mike Alexander Management Planning for Nature Conservation - A Theoretical Basis & Practical Guide (Paperback, 2nd ed. 2013)
Mike Alexander
R3,456 Discovery Miles 34 560 Ships in 10 - 15 working days

The first edition of Mike Alexander s "Management Planning for Nature Conservation," brought a new dimension to the modern literature on conservation management. This second edition, a significant enhancement of the original, deals with the development both, conceptual and practical, of adaptive management planning for nature conservation. It is about preparing management plans, and guides the reader through the entire process. Case-studies, including a conservation and access plan, demonstrate the planning process in action. This approach to planning can be applied to any place which is managed entirely, or in part, for wildlife. It can be applied to the management of species or habitats in any circumstance, regardless of site designation. The process is fully compatible with the Convention on Biological Diversity s ecosystem approach to conservation management.

Mike Alexander has long been at the forefront of developing management planning for conservation, with experience ranging from Uganda to Estonia, and from Costa Rica to Wales. He is the General Secretary of the Conservation Management System Consortium, a group of organisations with a common aim of raising standards and developing best practice in conservation management and planning. In 2012 Mike Alexander was elected a Fellow of the Society of Biology in recognition of his contribution to nature conservation and in particular management planning.

This book has drawn on the experiences and expertise of the CMS consortium and other leaders in both conservation research and wildlife management from around the world. It is essential reading for professional conservation managers and any student studying management planning for conservation within a range of degree and postgraduate courses."

Freshwater Ecology - Concepts and Environmental Applications of Limnology (Paperback, 3rd edition): Walter Dodds, Matt Whiles Freshwater Ecology - Concepts and Environmental Applications of Limnology (Paperback, 3rd edition)
Walter Dodds, Matt Whiles
R3,255 R2,921 Discovery Miles 29 210 Save R334 (10%) Ships in 12 - 19 working days

Freshwater Ecology, Third Edition, covers everything from the basic chemical and physical properties of water, to the advanced and unifying concepts of community ecology and ecosystem relationships found in continental waters. Giving students a solid foundation for both courses and future fieldwork, and updated to include key issues, including how to balance ecological and human health needs, GMOs, molecular tools, fracking, and a host of other environmental issues, this book is an ideal resource for both students and practitioners in ecology and related fields.

Tropical Fish Otoliths: Information for Assessment, Management and Ecology (Paperback, 2009 ed.): Bridget S Green, Bruce D.... Tropical Fish Otoliths: Information for Assessment, Management and Ecology (Paperback, 2009 ed.)
Bridget S Green, Bruce D. Mapstone, Gary Carlos, Gavin A. Begg
R5,587 Discovery Miles 55 870 Ships in 10 - 15 working days

Techniques and theory for processing otoliths from tropical marine fish have developed only recently due to an historic misconception that these organisms could not be aged. Otoliths are the most commonly used structures from which daily, seasonal or annual records of a fish's environmental history are inferred, and are also used as indicators of migration patterns, home range, spatial distribution, stock structure and life history events. A large proportion of projects undertaken on tropical marine organisms involve removal and processing of calcified structures such as otoliths, statoliths or vertebrae to retrieve biological, biochemical or genetic information. Current techniques and principles have evolved rapidly and are under constant modification and these differ among laboratories, and more particularly among species and within life history stages.

Tropical fish otoliths: Information for assessment, management and ecology is a comprehensive description of the current status of knowledge about otoliths in the tropics. This book has contributions from leading experts in the field, encompassing a tropical perspective on daily and annual ageing in fish and invertebrates, microchemistry, interpreting otolith microstructure and using it to back-calculate life history events, and includes a treatise on the significance of validating periodicity in otoliths.

Butterfly Biology Systems - Connections and Interactions in Life History and Behaviour (Hardcover): Roger L.H. Dennis Butterfly Biology Systems - Connections and Interactions in Life History and Behaviour (Hardcover)
Roger L.H. Dennis
R4,975 Discovery Miles 49 750 Ships in 9 - 17 working days

In Butterfly Biology Systems Roger Dennis explores key topics and contentious issues in butterfly biology, specifically those in life history and behaviour. Uniquely, using a systems approach, the book focuses on the degree of integration and feedback between components and elements affecting each issue, as well as the links between different issues. The book comprises four sections. The first two sections introduce the reader to principles and approaches for investigating complex relationships, and provide a platform of knowledge on butterfly biology. The final two sections deal in turn with life history and behaviour, covering key issues affecting different stages of development from eggs to adults. The book is extensively illustrated with original diagrams and models, all of which have detailed legends, produced to enhance a broader understanding, and to provide templates for future research. It includes a detailed bibliography and glossary providing an essential gateway to the extensive literature on butterfly biology. Butterfly Biology Systems is essential reading for graduate students and researchers in insect ecology, evolution, behaviour and conservation. It will also be of great value to anyone interested in butterflies. Introduces a systems approach to butterfly biology Includes succinct reviews of the key interrelationships in butterfly life history and behaviour Illustrates more than 100 models to advance research into butterfly biology systems

Marine Policy - An Introduction to Governance and International Law of the Oceans (Paperback, 3rd Edition): Mark Zacharias,... Marine Policy - An Introduction to Governance and International Law of the Oceans (Paperback, 3rd Edition)
Mark Zacharias, Jeff Ardron
R651 Discovery Miles 6 510 Ships in 5 - 10 working days

This book provides readers with a foundation in policy development and analysis, describing how policy, including legal mechanisms, are applied to the marine environment. It presents a systematic treatment of all aspects of marine policy, including climate change, energy, environmental protection, fisheries, mining and transportation.

The health of marine environments worldwide is steadily declining, and these trends have been widely reported. Marine Policy summarizes the importance of the ocean governance nexus, discussing current and anticipated challenges facing marine ecosystems, human activities, and efforts to address these threats. This new, fully revised edition has been updated throughout, including content to reflect the recent advances in ocean management and international law. Chapters on shipping, energy/mining and integrated approaches to ocean management have been significantly reworked, plus completely new chapters on the United Nations Convention on the Law of the Sea, and the impacts of climate change have been added. Pedagogical features for students are included throughout.

Aligned with current course offerings, this book is an ideal introduction for undergraduates and graduate students taking marine affairs, science and policy courses.

Table of Contents

1. An Introduction to the World Ocean

2. A Brief Introduction to the Marine Environment

3. An Introduction to International Law and International Marine Law

4. The United Nations Convention on the Law of the Sea and related agreements

5. An Introduction to Policy and Policy Development

6. Marine Environmental Protection Policy

7. Addressing Climate Change and its Impacts on the World Ocean

8. International Fisheries Policy

9. Marine Transportation and Safety Policy

10. International Law and Policy of the Polar Oceans

11. International Law and Policy related to Offshore Energy and Mining

12. Integrated Approaches to Ocean Management

Conclusions

Rooted - Life at the Crossroads of Science, Nature, and Spirit (Hardcover): Lyanda Lynn Haupt Rooted - Life at the Crossroads of Science, Nature, and Spirit (Hardcover)
Lyanda Lynn Haupt
R681 R603 Discovery Miles 6 030 Save R78 (11%) Ships in 18 - 22 working days

An inspiring meditation on the intersection of science, nature, and spirit that shows readers how to deepen their connection to the natural world. Science. Nature. Spirit. They do not, need not, and should not overlap completely. But at that center where they do intersect? When we stand in that singular, curving triangle looking upon our troubled, beloved earth? At that crossroads there is intelligence, and sacredness, and wildness, and grace. There is clear-sighted hope in a time of despair. There is resistance. There is joy. In this beautiful, thoughtful, and inspiring book, ecophilosopher, naturalist, and award-winning author Lyand Lynn Haupt offers serious invitation to ecological consciousness and action - a swift and beautiful manual inspiring readers to stand in a new way for the natural world. With Haupt's own changing and growing perceptions as a life-long student of nature as a through-line, FROG CHURCH offers an antidote to the plagues of modern life based in science, spirituality, and nature. In this mystifying time of climate upheaval that affects the earth so dramatically, people are afraid and uncertain of where to turn, where to direct their inborn love of nature. FROG CHURCH delivers much-needed solace while inspiring readers to engage with the wild earth in new ways. The intertwining of science, nature, and spirit shows readers how to get grounded and move forward on our beloved, imperiled world.

Dangerous Animals (Hardcover): Barry Madden Dangerous Animals (Hardcover)
Barry Madden
R618 Discovery Miles 6 180 Ships in 12 - 19 working days

Illustrated with 200 outstanding photographs, Dangerous Animals presents an in-depth look at the natural world's most deadly creatures, from poisonous spiders and sea snakes to aggressive lions and man-eating sharks. The selection spans a broad spectrum of wildlife, from large carnivores such as the grizzly bear and great white shark to smaller but equally deadly predators such as the black widow spider and puff adder. Each world habitat is covered, with examples carefully drawn from every region of the planet - from the majestic lion of the African plains and the polar bear of the arctic wastes, to the Komodo dragon of South-east Asia, whose saliva carries poisonous bacteria that can kill a person in hours. Featuring around 100 species, each photographic entry is supported with a fascinating caption, explaining how the animal manages to be so deadly. Beautifully presented, this accessible book is a wonderful introduction to some of the planet's fiercest - or just most poisonous - creatures.

Wildlife Conservation Evaluation (Paperback, Softcover reprint of the original 1st ed. 1986): Michael Usher Wildlife Conservation Evaluation (Paperback, Softcover reprint of the original 1st ed. 1986)
Michael Usher
R1,556 Discovery Miles 15 560 Ships in 10 - 15 working days

In the mid 1970s two events led me to get to know the Yorkshire Dales better than I had previously. Since 1964 I had been to the Malham Tarn Field Centre with groups of students, first from the University of Edinburgh and then from the University of York, and my family very much enjoyed the summer days we spent amid this magnificent hill scenery. In 1976, the British Ecological Society and the National Trust jointly worked on a survey of the biological interest of the National Trust properties of the Kent, East Anglian and Yorkshire Regions. Malham Tarn itself, and the surrounding farms, formed one of the twenty properties of the Yorkshire Region. I spent the bank holiday, that commemorated the Queen's Silver Jubilee, at Malham, looking fairly closely at the National Trust's landholding there. Miss Sarah Priest, who also looked at the National Trust properties, and I produced a report in late 1977, attempting both to describe and to evaluate the nature resources of the National Trust in Yorkshire. In the following year, 1978, the Nature Conservancy Council wanted to survey the whole of the upland area that was known as the Malhaml Arncliffe SSSI (Site of Special Scientific Interest). A contract to look at such an exciting area, considering where boundaries should go, and looking to see if there were important areas of habitat that should be brought within the SSSI, was a superb practical antidote to an office in the University.

When do fishes become juveniles? (Paperback, Softcover reprint of the original 1st ed. 1998): G. H. Copp, Vladimir Kovac, K.... When do fishes become juveniles? (Paperback, Softcover reprint of the original 1st ed. 1998)
G. H. Copp, Vladimir Kovac, K. Hensel
R4,401 Discovery Miles 44 010 Ships in 10 - 15 working days

Metamorphosis and the transition from larvae or embryos to juveniles in fishes are important in order to answer, for example, questions about: (1) life-history styles and their modifications in evolutionary perspective and within current environmental demands; (2) the development and application of fisheries recruitment models, (3) the use of ontogenetic scales for interspecific comparisons, (4) the identification of ontogenetic shifts in resource use, and (5) the discovery of evolutionary interrelationships of species or genera. This volume is dedicated to recent studies and reviews of existing knowledge on this insufficiently-addressed area of ichthyology. Most of the papers in this volume were presented in Bratislava, Slovakia, at the 1st International Workshop of the Fish Ontogeny Network of Europe (FONE) in September 1997, a meeting sponsored in part by the European Commission. This volume emphasizes an integrated approach to the study of fish ontogeny, which is a process during which one event is related to another and everything is related to everything else, encompassing physiology, morphology, behaviour and niche. Within this comprehensive perspective, the papers in this volume are grouped along four major themes: reflections on early ontogeny and metamorphosis, organism-environment relationships, ontogeny of predator-prey interactions, and behaviour and ontogeny. Among other issues, the papers consider topics such as whether one can identify when fish metamorphosis ends, whether the larva period begins with hatching or with the onset of exogenous feeding, whether fish ontogeny is saltatory' or gradual', and whether larvae are eliminated in some fishes with direct development. The keynote paper of this volume reviews the main topics within contemporary paradigms and the final paper concludes that the onset of the juvenile period can be identified in some species, but precision remains problematic, emphasizing the need for further research in this dynamic area of fish biology.

The Future of Fisheries Science in North America (Paperback, Softcover reprint of hardcover 1st ed. 2009): Richard J. Beamish,... The Future of Fisheries Science in North America (Paperback, Softcover reprint of hardcover 1st ed. 2009)
Richard J. Beamish, Brian J. Rothschild
R4,479 Discovery Miles 44 790 Ships in 10 - 15 working days

Fisheries science in North America is changing in response to a changing climate, new technologies, an ecosystem approach to management and new thinking about the processes affecting stock and recruitment. Authors of the 34 chapters review the science in their particular fields and use their experience to develop informed opinions about the future. Everyone associated with fish, fisheries and fisheries management will find material that will stimulate their thinking about the future. Readers will be impressed with the potential for new discoveries, but disturbed by how much needs to be done in fisheries science if we are to sustain North American fisheries in our changing climate. Officials that manage or fund fisheries science will appreciate the urgency for the new information needed for the stewardship of fish populations and their ecosystems. Research organizations may want to keep some extra copies for a future look back into the thoughts of a wide range of fisheries professionals. Fisheries science has been full of surprises with some of the surprises having major economic impacts. It is important to minimize these impacts as the demand for seafood increases and the complexities of fisheries management increase.

Fish and Diadromy in Europe (ecology, management, conservation) (Paperback, Softcover reprint of hardcover 1st ed. 2008):... Fish and Diadromy in Europe (ecology, management, conservation) (Paperback, Softcover reprint of hardcover 1st ed. 2008)
Sylvie Dufour, Etienne Prevost, Eric Rochard, Patrick Williot
R4,354 Discovery Miles 43 540 Ships in 10 - 15 working days

Most of the diadromous fish of the world have decreased in distribution and abundance since the beginning of the twentieth century. They are now threatened, and important conservation issues arise. The causes of these trends vary among species and basins but regional human impact (damming, pollution, fisheries) and global change (climate) are suspected to be responsible for these difficulties. This book contains selected papers from an international symposium organised by the Diadfish network held in Bordeaux (France) in 2005. Readers will find up-to-date information on the ecology, ecotoxicology and physiology of several diadromous species (Atlantic salmon, shads, lampreys, eels) and this whole group in Europe. Main impacts are also documented and analysed in case studies, and solutions or remediation actions are presented.

Essential Fish Habitat Mapping in the Mediterranean (Paperback, Softcover reprint of hardcover 1st ed. 2008): Vasilis D.... Essential Fish Habitat Mapping in the Mediterranean (Paperback, Softcover reprint of hardcover 1st ed. 2008)
Vasilis D. Valavanis
R4,408 Discovery Miles 44 080 Ships in 10 - 15 working days

Proper designation of Essential Fish Habitat (EFH) is a highly important spatial measure in any management of fishery resources. EFH is defined as those waters and substrates necessary to fish for spawning, breeding, feeding, or growth to maturity, a definition that includes the physical, chemical and biological properties of marine areas and the associated sediment and biological assemblages that sustain fish populations throughout their full life cycle.

This book presents latest advances in EFH mapping and modelling and introduces the environmental approach to EFH identification through the combined use of latest technologies and advanced techniques, such as Remote Sensing, Geographic Information Systems and Spatial Statistics.

The contents of this book include overviews and comparisons of different approaches on species habitat modelling, methods to identify teleconnection patterns between large-scale meteo-oceanic phenomena and local environmental variation, and EFH maps for cephalopod, shrimp, hake, anchovy, sardine, and swordfish resources in the Mediterranean. The aims of this book are to provide accumulated knowledge on marine species essential habitat mapping and to be a source for further developments in the important topic of marine resource management.

Biology of Skates (Paperback, Softcover reprint of hardcover 1st ed. 2009): David A. Ebert, James Sulikowski Biology of Skates (Paperback, Softcover reprint of hardcover 1st ed. 2009)
David A. Ebert, James Sulikowski
R4,382 Discovery Miles 43 820 Ships in 10 - 15 working days

Skates have become a concern in recent years due to the preponderance of these elasmobranchs that are caught as bycatch or as a directed fishery. This has raised concern because skates have life history characteristics that may make them vulnerable to over-exploitation. It was due to this concern that prompted Drs. David Ebert and James Sulikowski to organize an international symposium on the Biology of Skates . The aims and goals of the symposium were to bring together an international group of researchers to meet, discuss, perhaps develop collaborations, and present their most recent findings.

The symposium was held over two days, on 13-14 July, 2006, in conjunction with the 22nd annual meeting of the American Elasmobranch Society in New Orleans, LA. A total of 31 authors from four countries contributed 16 papers that appear in this volume. The papers are broadly arranged into four separate categories: systematics and biogeography, diet and feeding ecology, reproductive biology, and age and growth. This is the first dedicated book on the biology of skates. We hope that readers will find this volume of interest and that it helps encourage and stimulate future research into these fascinating fishes."

Ecological Effects of Water-level Fluctuations in Lakes (Paperback, Softcover reprint of hardcover 1st ed. 2008): Karl M.... Ecological Effects of Water-level Fluctuations in Lakes (Paperback, Softcover reprint of hardcover 1st ed. 2008)
Karl M. Wantzen, Karl-Otto Rothhaupt, Martin Moertl, Marco Cantonati, Laszlo G.-Toth, …
R5,583 Discovery Miles 55 830 Ships in 10 - 15 working days

Most aquatic ecosystems have variable water levels. These water-level fluctuations (WLF) have multiple effects on the organisms above and below the waterline. Natural WLF patterns in lakes guarantee both productivity and biodiversity, while untimely floods and droughts may have negative effects. Human impacts on WLF have led to a stabilization of the water levels of many lakes by hydraulic regulation, untimely drawdown due to water use, or floods due to water release from hydropower plants in the catchments.

This book provides a first review in this field. It presents selected papers on the ecological effects of WLF in lakes, resulting from a workshop at the University of Konstanz in winter 2005. Issues addressed here include the extent of WLF, and analyses of their effects on different groups of biota from microorganisms to vertebrates. Applied issues include recommendations for the hydrological management of regulated lakes to reduce negative impacts, and a conceptual framework is delivered by an extension of the floodpulse concept for lakes. Current impacts on water use, including increasing demands on drinking and irrigation water, hydropower etc., and climate change effects on WLF make this book an essential resource for aquatic ecologists, engineers, and decision-makers dealing with the management of lake ecosystems and their catchments.

Tagging and Tracking of Marine Animals with Electronic Devices (Paperback, Softcover reprint of hardcover 1st ed. 2009):... Tagging and Tracking of Marine Animals with Electronic Devices (Paperback, Softcover reprint of hardcover 1st ed. 2009)
Jennifer L. Nielsen, Haritz Arrizabalaga, Nuno Fragoso, Alistair Hobday, Molly Lutcavage, …
R5,632 Discovery Miles 56 320 Ships in 10 - 15 working days

The 2nd international tagging and tracking symposium was held in San Sebastian, Spain, in October 2007, seven years after the first symposium was held in Hawaii in 2000 (Sibert and Nielsen 2001). In the intervening seven years, there have been major advances in both the capability and reliability of electronic tags and analytical approaches for geolocation of tagged animals in marine habitats. Advances such as increased data storage capacity, sensor development, and tag miniaturization have allowed researchers to track a much wider array of marine animals, not just large and charismatic species. Importantly, data returned by these tags are now being used in population analyses and movement simulations that can be directly utilized in stock assessments and other management applications.

Papers in this volume are divided into three sections, the first describing insights into behavior achieved using acoustic, archival, and novel tags, the second reporting on advances in methods of geolocation, while the final section includes contributions where tag data have been used in management of marine species. Accurate documentation of animal movements and behaviors in critical marine habitats are impossible to obtain with other technologies. The management and conservation of marine species are critical in today's changing ocean environment and as electronic tags become more accurate and functional for a diversity of organisms their application continues to grow, setting new standards in science and technology.

Wetlands - Integrating Multidisciplinary Concepts (Paperback, Edition.): Ben A. LePage Wetlands - Integrating Multidisciplinary Concepts (Paperback, Edition.)
Ben A. LePage
R1,521 Discovery Miles 15 210 Ships in 10 - 15 working days

The science of wetlands and our understanding of these complex ecosystems have improved considerably. The emergence of multidisciplinary strategies is providing new opportunities and innovative approaches to address issues such as climate change and coastal protection. This book, with contributions from 19 specialists from academia, government, and industry, provides a trans-disciplinary approach to the understanding wetlands science, drawing together a wide range of expertise. Topics covered include the physical aspects that shape different wetlands around the world, as well as wetlands ecology, regulation, policy, and related social and economic issues.

Featuring contributions from some of the world's leading wetlands researchers and practitioners, this book provides an invaluable resource for undergraduate and post-graduate training in all aspects of wetlands management, conservation, and construction. It is also a useful auxiliary text for researchers working across disciplines in fields such as wetlands science, law, landscape architecture, environmental engineering, conservation ecology, and related disciplines.

"

Wild Otters - Predation and Populations (Hardcover, New): Hans Kruuk Wild Otters - Predation and Populations (Hardcover, New)
Hans Kruuk
R4,564 Discovery Miles 45 640 Ships in 12 - 19 working days

Wild Otters answers the need for an up-to-date, scientifically-oriented introduction to the Lutra lutra species. Based in part on the author's extensive field observations, the book provides a superb basis for active conservation management of a species faced with an increasingly hostile environment. Topics include social organization and behavior, food and foraging strategies, ecological information on their main prey fish, problems of energetics and thermo-insulation, population structure, mortality and reproduction, and the impact of humans. Packed with illustrations and photographs, Wild Otters is perfect for students and researchers in ecology, conservation, zoology, and animal behavior.

Aquaculture, Innovation and Social Transformation (Paperback, Softcover reprint of hardcover 1st ed. 2008): Keith Culver, David... Aquaculture, Innovation and Social Transformation (Paperback, Softcover reprint of hardcover 1st ed. 2008)
Keith Culver, David Castle
R4,366 Discovery Miles 43 660 Ships in 10 - 15 working days

Keith Culver and David Castle Introduction Aquaculture is at the leading edge of a surprisingly polarized debate about the way we produce our food. According to the United Nations Food and Agriculture Organization, aquaculture production has increased 8. 8% per year since 1970, far surpassing productivity gains in terrestrial meat production at 2. 8% in the same period (FAO 2007). Like the 'green revolution' before it, the 'blue revolution' in aquaculture promises rapidly increased productivity through technology-driven - tensi?cation of aquaculture animal and plant production (Costa-Pierce 2002; The Economist 2003). Proponents of further aquaculture development emphasize aq- culture's ancient origins and potential to contribute to global food security d- ing an unprecedented collapse in global ?sheries (World Fish Center; Meyers and Worm 2003; Worm et al. 2006). For them, technology-driven intensi?cation is an - dinary and unremarkable extension of past practice. Opponents counter with images of marine and freshwater environments devastated by intensive aquaculture pr- tices producing unsustainable and unhealthy food products. They view the promised revolutionasascam, nothingmorethanclever marketingbypro?t-hungry ?shfa- ers looking for ways to distract the public from the real harms done by aquaculture. The stark contrast between proponents and opponents of modern aquaculture recalls decades of disputes about intensive terrestrial plant and animal agriculture, disputes whose vigor shows that the debate is about much more than food production (Ruse and Castle 2002).

Disease in Wild Animals - Investigation and Management (Paperback, Softcover reprint of hardcover 2nd ed. 2007): Gary A. Wobeser Disease in Wild Animals - Investigation and Management (Paperback, Softcover reprint of hardcover 2nd ed. 2007)
Gary A. Wobeser
R9,026 Discovery Miles 90 260 Ships in 10 - 15 working days

Gary Wobeser's successful book from 1994 has been completely updated and enlarged in a new second edition. An in-depth overview of the available techniques for the investigation and management of disease in free-ranging animals is provided. The subjects are illustrated with examples drawn from around the world, with emphasis on the special requirements involved in working with wild animals. The book draws on the author 's training as a wildlife biologist.

Wildlife Study Design (Paperback, Softcover reprint of hardcover 2nd ed. 2008): Michael L. Morrison, William M. Block, M. Dale... Wildlife Study Design (Paperback, Softcover reprint of hardcover 2nd ed. 2008)
Michael L. Morrison, William M. Block, M. Dale Strickland, Bret A. Collier, Markus J. Peterson
R2,295 Discovery Miles 22 950 Ships in 10 - 15 working days

We developed the first edition of this book because we perceived a need for a compilation on study design with application to studies of the ecology, conser- tion, and management of wildlife. We felt that the need for coverage of study design in one source was strong, and although a few books and monographs existed on some of the topics that we covered, no single work attempted to synthesize the many facets of wildlife study design. We decided to develop this second edition because our original goal - synthesis of study design - remains strong, and because we each gathered a substantial body of new material with which we could update and expand each chapter. Several of us also used the first edition as the basis for workshops and graduate teaching, which provided us with many valuable suggestions from readers on how to improve the text. In particular, Morrison received a detailed review from the graduate s- dents in his "Wildlife Study Design" course at Texas A&M University. We also paid heed to the reviews of the first edition that appeared in the literature.

Ecotoxicology of Antifouling Biocides (Paperback, Softcover reprint of hardcover 1st ed. 2009): Takaomi Arai, Hiroya Harino,... Ecotoxicology of Antifouling Biocides (Paperback, Softcover reprint of hardcover 1st ed. 2009)
Takaomi Arai, Hiroya Harino, Madoka Ohji, William Langston
R4,395 Discovery Miles 43 950 Ships in 10 - 15 working days

Organotin compounds, used as antifouling biocides since 1960, are chemical compounds that act as endocrine disrupters. It is not known how organotin compounds cause hormone disturbance, however, and many questions remain about their effect on aquatic organisms. Studies on organotin compounds have recently evolved, with many new findings reported. Following a worldwide ban on organotin compounds in 2008, alternative compounds will mainly be used, with the potential for coastal areas to become contaminated, causing, among other effects, cholinesterase inhibition in aquatic organisms. Use of alternative compounds must be controlled to avoid such errors. These and other findings are described and concisely summarized in this book, providing a useful reference in countries where alternative biocides are being considered. Included are studies on the effects on marine organisms, making this book an excellent aid to experts in environmental chemistry, to government organizations, and to students.

Management of Disease in Wild Mammals (Paperback, Softcover reprint of hardcover 1st ed. 2009): Richard Delahay, Graham C.... Management of Disease in Wild Mammals (Paperback, Softcover reprint of hardcover 1st ed. 2009)
Richard Delahay, Graham C. Smith, Michael R. Hutchings
R2,875 Discovery Miles 28 750 Ships in 10 - 15 working days

In recent years nobody could have failed to notice the frequent and often sensati- alist media headlines warning of the latest global disease threat to humankind. But behind all the hyperbole lie real challenges related to dealing with the increasing incidence of emerging zoonotic disease events, the majority of which are thought to originate in wildlife (Jones et al. 2008). There are also many important diseases of domestic livestock which also occur in wildlife (e. g. foot and mouth disease and classical swine fever in wild boar, bovine tuberculosis in deer, badgers or possums), some of which can have a devastating impact on the farming industry, the wider rural economy and ultimately the public purse. But we should also not forget that wildlife diseases may have serious implications for the conservation of biodiversity. For some of the rarest, most endangered species (such as the Ethiopian wolf) d- ease may pose the greatest threat to their survival. If we are to avoid or reduce these impacts then we must improve our ability to detect and manage the risks associated with disease in wildlife populations. This is a challenge that will require expertise from many different disciplines: veterinary, ecological, medical, economic, poli- cal and zoological. In such an interdisciplinary field it is difficult to stay up to date with contemporary ideas and with techniques that may be rapidly evolving.

Whales and Dolphins - Cognition, Culture, Conservation and Human Perceptions (Paperback): Philippa Brakes, Mark Peter Simmonds Whales and Dolphins - Cognition, Culture, Conservation and Human Perceptions (Paperback)
Philippa Brakes, Mark Peter Simmonds
R1,438 Discovery Miles 14 380 Ships in 12 - 19 working days

Whales and dolphins are icons for the conservation movement. They are the most conspicuous ambassadors for entire marine ecosystems and possibly even for the biosphere as a whole. Concurrent with our realisation of impending threats to their environment is a growing scientific understanding of the social and cognitive complexity of many of these species. This book brings together experts in the relevant diverse fields of cetacean research, to provide authoritative descriptions of our current knowledge of the complex behaviour and social organization of whales and dolphins. The authors consider this new information in the context of how different human cultures from around the world view cetaceans and their protection, including attitudes to whaling. They show how new information on issues such as cetacean intelligence, culture and the ability to suffer, warrants a significant shift in global perceptions of this group of animals and how these changes might be facilitated to improve conservation and welfare approaches.

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