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Books > Science & Mathematics > Biology, life sciences > Zoology & animal sciences > Animal ecology

Dogs in the North - Stories of Cooperation and Co-Domestication (Paperback): Robert J Losey, Robert P. Wishart, Jan Peter... Dogs in the North - Stories of Cooperation and Co-Domestication (Paperback)
Robert J Losey, Robert P. Wishart, Jan Peter Laurens Loovers
R1,417 Discovery Miles 14 170 Ships in 12 - 19 working days

Dogs in the North offers an interdisciplinary in-depth consideration of the multiple roles that dogs have played in the North. Spanning the deep history of humans and dogs in the North, the volume examines a variety of contexts in North America and Eurasia. The case studies build on archaeological, ethnohistorical, ethnographic, and anthropological research to illuminate the diversity and similarities in canine-human relationships across this vast region. The book sheds additional light on how dogs figure in the story of domestication, and how they have participated in partnerships with people across time. With contributions from a wide selection of authors, Dogs in the North is aimed at students and scholars of anthropology, archaeology, and history, as well as all those with interests in human-animal studies and northern societies.

Particulate Plastics in Terrestrial and Aquatic Environments (Hardcover): Nanthi S. Bolan, M. B. Kirkham, Claudia Halsband,... Particulate Plastics in Terrestrial and Aquatic Environments (Hardcover)
Nanthi S. Bolan, M. B. Kirkham, Claudia Halsband, Dayanthi Nugegoda, Yong Sik Ok
R5,584 Discovery Miles 55 840 Ships in 12 - 19 working days

The manufacture of plastic as well as its indiscriminate disposal and destruction by incineration pollutes atmospheric, terrestrial, and aquatic ecosystems. Synthetic plastics do not break down; they accumulate in the environment as macro-, micro-, and nanoplastics. These particulate plastics are a major source of pollutants in soil and marine ecosystems. Particulate Plastics in Terrestrial and Aquatic Environments provides a fundamental understanding of the sources of these plastics and the threats they pose to the environment. The book demonstrates the ecotoxicity of particulate plastics using case studies and offers management practices to mitigate particulate plastic contamination in the environment. Features * Describes physical and chemical properties of particulate plastics in terrestrial and aquatic ecosystems * Presents information on characteristics of particulate plastics as impacted by weathering processes * Provides numerous approaches for managing particulate plastic contamination * Identifies sources of particulate plastics in the environment; distribution and characteristics of particulate plastics; and management strategies of particulate plastics Written by a global team of scientists, this book is for researchers in the fields of environmental safety and waste management or individuals interested in the impact of particulate plastics on environmental health.

Managing the Return of the Wild - Human Encounters with Wolves in Europe (Hardcover): Michaela Fenske, Bernhard Tschofen Managing the Return of the Wild - Human Encounters with Wolves in Europe (Hardcover)
Michaela Fenske, Bernhard Tschofen
R4,470 Discovery Miles 44 700 Ships in 12 - 19 working days

This book explores attitudes and strategies towards the return of the wild in times of ecological crisis, focusing on wolves in Europe. The contributions from a variety of disciplines discuss human encounters with wolves, engaging with traditional narratives and contemporary conflicts. Covering a range of geographical areas, the case studies featured demonstrate the tremendous impact of the return of the wolf in European societies. Wolves are a keystone species that exemplify humanity's relation to what is called nature and their return generates powerful debates about what 'nature' actually is and how much it is needed or should be permitted to exist. The book considers the return of the wild as a catalyst for fundamental socio-biological changes of the world within human societies, and the various responses of humans to wolves demonstrate both our potential and limitations when it comes to multispecies communities and negotiating societal change. Managing the Return of the Wild will be relevant to a broad audience interested in discussions of social and ecological conflict today, including scholars from multispecies studies and diverse disciplines such as biology, forestry management and folklore studies.

Seeing Animals after Derrida (Hardcover): Sarah Bezan, James Tink Seeing Animals after Derrida (Hardcover)
Sarah Bezan, James Tink; Contributions by Jose Alaniz, David Brooks, Megan E Cannella, …
R2,781 Discovery Miles 27 810 Ships in 12 - 19 working days

This volume charts a new course in animal studies that re-examines Jacques Derrida's enduring thought on the visualization of the animal in his seminal Cerisy Conference from 1997, The Animal That Therefore I Am. Building new proximities with the animal in and through - and at times in spite of - the visual apparatus, Seeing Animals after Derrida investigates how the recent turn in animal studies toward new materialism, speculative realism, and object-oriented ontology prompts a renewed engagement with Derrida's animal philosophy. In taking up the matter of Derrida's treatment of animality for the current epoch, the contributors to this book each present a case for new philosophical approaches and aesthetic paradigms that challenge the ocularcentrism of Western culture.

Ecology of Sensing (Hardcover, 2001 ed.): Friedrich G. Barth, Axel Schmid Ecology of Sensing (Hardcover, 2001 ed.)
Friedrich G. Barth, Axel Schmid
R5,783 Discovery Miles 57 830 Ships in 10 - 15 working days

Sense organs serve as a kind of biological interface between the environment and the organism. Therefore, the relationship between sensory systems and ecology is very close and its knowledge of fundamental importance for an understanding of animal behavior. The sixteen chapters of this book exemplify the diversity of the constraints and opportunities associated with the sensation of stimuli representing different forms of energy. The book stresses the events taking place in the sensory periphery where the animal is exposed to and gets in touch with its natural habitat and acquires the information needed to organize its interaction with its environment. Ecology of Sensing brings together the leading experts in the field.

Regenesis - Feeding The World Without Devouring The Planet (Paperback): George Monbiot Regenesis - Feeding The World Without Devouring The Planet (Paperback)
George Monbiot
R344 R315 Discovery Miles 3 150 Save R29 (8%) Ships in 9 - 17 working days

For the first time since the Neolithic, we have the opportunity to transform not only our food system but our entire relationship to the living world.

Farming is the world's greatest cause of environmental destruction - and the one we are least prepared to talk about. We criticise urban sprawl, but farming sprawls across thirty times as much land. We have ploughed, fenced and grazed great tracts of the planet, felling forests, killing wildlife, and poisoning rivers and oceans to feed ourselves. Yet millions still go hungry.

Now the food system itself is beginning to falter. But, as George Monbiot shows us in this brilliant, bracingly original new book, we can resolve the biggest of our dilemmas and feed the world without devouring the planet.

Regenesis is a breathtaking vision of a new future for food and for humanity. Drawing on astonishing advances in soil ecology, Monbiot reveals how our changing understanding of the world beneath our feet could allow us to grow more food with less farming. He meets the people who are unlocking these methods, from the fruit and vegetable grower revolutionising our understanding of fertility; through breeders of perennial grains, liberating the land from ploughs and poisons; to the scientists pioneering new ways to grow protein and fat. Together, they show how the tiniest life forms could help us make peace with the planet, restore its living systems, and replace the age of extinction with an age of regenesis.

Boreal Shield Watersheds - Lake Trout Ecosystems in a Changing Environment (Paperback): John Gunn, Robert John Steedman,... Boreal Shield Watersheds - Lake Trout Ecosystems in a Changing Environment (Paperback)
John Gunn, Robert John Steedman, Richard Ryder
R2,139 Discovery Miles 21 390 Ships in 12 - 19 working days

Boreal Shield Watersheds: Lake Trout Ecosystems in a Changing Environment brings together the work of a renowned international group of scientists who specialize in aquatic science and environmental management. They explore the functioning of Boreal Shield ecosystems, focusing on the lake trout, the classic coldwater species of northern glaciated lakes, using it as an indicator of environmental change and as a model to measure the effectiveness of management actions. This book demonstrates how boreal waters have served as a crucible for decades of environmental research into the impacts of nutrient additions, trace contaminants, acid rain, climate change, sport fishing, invasive species, and watershed disturbances. The text builds on this substantial research legacy and explores our ability to manage human interactions with ecosystems across the vast Boreal Shield ecozone of North America, and with other important ecosystems worldwide. It also provides models and new methods of assessing the risk to and the durability of ecosystems in relation to local, regional, and global human activities. Maps and descriptions of several important long-term monitoring sites and an atlas describing more than 3,000 lake trout lakes in the region are special components of the book.

Wildlife Science - Linking Ecological Theory and Management Applications (Paperback): Timothy E Fulbright, David G. Hewitt Wildlife Science - Linking Ecological Theory and Management Applications (Paperback)
Timothy E Fulbright, David G. Hewitt
R2,057 Discovery Miles 20 570 Ships in 12 - 19 working days

Consciously or not, wildlife managers generally act from a theoretical basis, although they may not be fully versed in the details or ramifications of that theory. In practice, the predictions of the practitioners sometimes prove more accurate than those of the theoreticians. Practitioners and theoreticians need to work together, but this proves difficult when new management ideas and cutting-edge ecological theory are often published in separate scientific outlets with distinctly different readerships. A compilation of the scientific papers presented at the Caesar Kleberg Wildlife Research Institute's 25th Anniversary Conference of April 2006, Wildlife Science: Linking Ecological Theory and Management Applications brings together these two often separate approaches to elucidate the theoretical underpinnings of wildlife management and to apply evolving ecological concepts to changes and adaptations in management practices. Gathering many of the best and greatest minds in wildlife science, this volume addresses the critically important theme of linking ecological theory and management applications. Divided into five parts, the first two parts deal with the landscape ecology of birds and mammals respectively, demonstrating the need for applied theory in gamebird management and the preservation of the cougar. Part three highlights the role of climate when applying ecological theory to habitat management and discusses the emergence of ecosystem management in managing wildlife at the ecosystem scale. Part four considers the management of wildlife disease and reveals the increasing importance of genetics in conservation and ecology. Finally, the economic and social issues affecting wildlife science round out the coverage in part five. Applying emerging ecological theory for the advancement of wildlife management, Wildlife Science: Linking Ecological Theory and Management Applications provides a long awaited cooperative look at the future of ecosystem manage

Ecology and Conservation of Great Plains Vertebrates (Hardcover, 1997 ed.): Fritz L Knopf, Fred B Samson Ecology and Conservation of Great Plains Vertebrates (Hardcover, 1997 ed.)
Fritz L Knopf, Fred B Samson
R4,542 Discovery Miles 45 420 Ships in 10 - 15 working days

The frontier images of America embrace endless horizons, majestic herds of native ungulates, and romanticized life-styles of nomadie peoples. The images were mere reflections of vertebrates living in harmony in an ecosystem driven by the unpre dictable local and regional effects of drought, frre, and grazing. Those effects, often referred to as ecological "disturbanees," are rather the driving forces on which species depended to create the spatial and temporal heterogeneity that favored ecological prerequisites for survival. Alandscape viewed by European descendants as monotony interrupted only by extremes in weather and commonly referred to as the "Great American Desert," this country was to be rushed through and cursed, a barrier that hindered access to the deep soils of the Oregon country, the rich minerals of California and Colorado, and the religious freedom sought in Utah. Those who stayed (for lack of resources or stamina) spent a century trying to moderate the ecological dynamics of Great Plains prairies by suppressing fires, planting trees and exotic grasses, poisoning rodents, diverting waters, and homogenizing the dynamies of grazing with endless fences-all creating bound an otherwise boundless vista. aries in Historically, travelers and settlers referred to the area of tallgrasses along the western edge of the deciduous forest and extending midway across Kansas as the "True Prairie. " The grasses thlnned and became shorter to the west, an area known then as the Great Plains."

The Ecology of Malaria Vectors (Hardcover): Jacques Derek Charlwood The Ecology of Malaria Vectors (Hardcover)
Jacques Derek Charlwood
R5,391 Discovery Miles 53 910 Ships in 12 - 19 working days

This practical book covers all aspects of the biology of malaria vectors, with notes on the vectors of dengue. It is the first work in this field to concentrate on mosquitoes, rather than covering all disease vectors. Authored by renowned field entomologist Jacques Derek Charlwood, it disseminates his vast experience working on mosquito biology, ecology and the evaluation of new vector control tools across five continents over the past 40 years. Covering all aspects from classification and systematics, population dynamics, vector control, to surveillance and sampling, epidemics, and a selection of case histories, the book also considers genetics and resistance, Aedes biology, and malaria and dengue models. It is designed to fill the gap between very specialized texts and undergraduate books on general disease vectors, and is ideal as a textbook for postgraduate courses in entomology and mosquito vectors of disease.

Understanding Nature - Ecology for a New Generation (Hardcover): Louise M. Weber Understanding Nature - Ecology for a New Generation (Hardcover)
Louise M. Weber
R5,090 Discovery Miles 50 900 Ships in 12 - 19 working days

Understanding Nature is a new kind of ecology textbook: a straight-forward resource that teaches natural history and ecological content, and a way to instruct students that will nurture both Earth and self. While meeting the textbook guidelines set forth by the Ecological Society of America, Understanding Nature has a unique ecotherapy theme, using a historical framework to teach ecological theory to undergraduates. This textbook presents all the core information without being unnecessarily wordy or lengthy, using simple, relatable language and discussing ecology in ways that any student can apply in real life. Uniquely, it is also a manual on how to improve one's relationship with the Earth. This is accomplished through coverage of natural history, ecology, and applications, together with suggested field activities that start each chapter and thinking questions that end each chapter. The book includes traditional ecological knowledge as well as the history of scientific ecological knowledge. Understanding Nature teaches theory and applications that will heal the Earth. It also teaches long-term sustainability practices for one's psyche. Professor Louise Weber is both an ecologist and a certified ecopsychologist, challenging ecology instructors to rethink what and how they teach about nature. Her book bridges the gap between students taking ecology to become ecologists and those taking ecology as a requirement, who will use the knowledge to become informed citizens.

Biodiversity Conservation in Southeast Asia - Challenges in a Changing Environment (Paperback): Serge Morand, Claire Lajaunie,... Biodiversity Conservation in Southeast Asia - Challenges in a Changing Environment (Paperback)
Serge Morand, Claire Lajaunie, Rojchai Satrawaha
R1,450 Discovery Miles 14 500 Ships in 12 - 19 working days

Southeast Asia is highly diversified in terms of socio-ecosystems and biodiversity, but is undergoing dramatic environmental and social changes. These changes characterize the recent period and can be illustrated by the effects of the Green Revolution in the late 1960s and 1970s, to the globalization of trade and increasing agronomic intensification over the past decade. Biodiversity Conservation in Southeast Asia provides theoretical overviews and challenges for applied research in living resource management, conservation ecology, health ecology and conservation planning in Southeast Asia. Five key themes are addressed: origin and evolution of Southeast Asian biodiversity; challenges in conservation biology; ecosystem services and biodiversity; managing biodiversity and living resources; policy, economics and governance of biodiversity. Detailed case studies are included from Thailand and the Lower Mekong Basin, while other chapters address cross-cutting themes applicable to the whole Southeast Asia region. This is a valuable resource for academics and students in the areas of ecology, conservation, environmental policy and management, Southeast Asian studies and sustainable development.

Seabird Islands - Ecology, Invasion, and Restoration (Hardcover): Christa P H Mulder, Wendy B Anderson, David R Towns, Peter J... Seabird Islands - Ecology, Invasion, and Restoration (Hardcover)
Christa P H Mulder, Wendy B Anderson, David R Towns, Peter J Bellingham
R3,005 Discovery Miles 30 050 Ships in 12 - 19 working days

Islands with large colonies of seabirds are found throughout the globe. Seabird islands provide nesting and roosting sites for birds that forage at sea, deposit marine nutrients on land, and physically alter these islands. Habitats for numerous endemic and endangered animal and plant species, seabird islands are therefore biodiversity hotspots with high priority for conservation.
Successful campaigns to eradicate predators (e.g., rats and cats) from seabird islands have been conducted worldwide. However, removal of predators will not necessarily lead to natural recovery of seabirds or other native species. Restoration of island ecosystems requires social acceptance of eradications, knowledge of how island food webs function, and a long-term commitment to measuring and assisting the recovery process.
This book, written collaboratively by and for ecologists and resource managers, provides the first large-scale cross-system compilation, comparison, and synthesis of the ecology of seabird island systems. Offering a new conceptual framework into which to fit the impacts of seabirds on island ecology, this is an essential resource for academics and resource managers alike.

Tracking Animal Migration with Stable Isotopes (Paperback, 2nd edition): Keith A. Hobson, Leonard I. Wassenaar Tracking Animal Migration with Stable Isotopes (Paperback, 2nd edition)
Keith A. Hobson, Leonard I. Wassenaar
R2,551 R2,212 Discovery Miles 22 120 Save R339 (13%) Ships in 12 - 19 working days

Tracking Animal Migration with Stable Isotopes, Second Edition, provides a complete introduction to new and powerful isotopic tools and applications that track animal migration, reviewing where isotope tracers fit in the modern toolbox of tracking methods. The book provides background information on a broad range of migration scenarios in terrestrial and aquatic systems and summarizes the most cutting-edge developments in the field that are revolutionizing the way migrant individuals and populations are assigned to their true origins. It allows undergraduates, graduate students and non-specialist scientists to adopt and apply isotopes to migration research, and also serves as a useful reference for scientists. The new edition thoroughly updates the information available to the reader on current applications of this technique and provides new tools for the isotopic assignment of individuals to origins, including geostatistical multi-isotope approaches and the ways in which researchers can combine isotopes with routine data in a Bayesian framework to provide best estimates of animal origins. Four new chapters include contributions on applications to the movements of terrestrial mammals, with particular emphasis on how aspects of animal physiology can influence stable isotope values.

Art and Nature in the Anthropocene - Planetary Aesthetics (Paperback): Susan Ballard Art and Nature in the Anthropocene - Planetary Aesthetics (Paperback)
Susan Ballard
R1,309 Discovery Miles 13 090 Ships in 12 - 19 working days

This book examines how contemporary artists have engaged with histories of nature, geology, and extinction within the context of the changing planet. Susan Ballard describes how artists challenge the categories of animal, mineral, and vegetable-turning to a multispecies order of relations that opens up a new vision of what it means to live within the Anthropocene. Considering the work of a broad range of artists including Francisco de Goya, J. M. W. Turner, Robert Smithson, Nancy Holt, Yhonnie Scarce, Joyce Campbell, Lisa Reihana, Katie Paterson, Taryn Simon, Susan Norrie, Moon Kyungwon and Jeon Joonho, Ken + Julia Yonetani, David Haines and Joyce Hinterding, Angela Tiatia, and Hito Steyerl and with a particular focus on artists from Australia and Aotearoa New Zealand, this book reveals the emergence of a planetary aesthetics that challenges fixed concepts of nature in the Anthropocene. The book will be of interest to scholars working in art history, visual culture, narrative nonfiction, digital and media art, and the environmental humanities.

The Book of Vanishing Species - Illustrated Lives (Hardcover): Beatrice Forshall The Book of Vanishing Species - Illustrated Lives (Hardcover)
Beatrice Forshall
R795 R690 Discovery Miles 6 900 Save R105 (13%) Ships in 9 - 17 working days

__________________ Our Earth is more beautiful and more diverse than we can possibly conceive of. The Book of Vanishing Species is a stunning homage to the planet's most mysterious, bizarre and wondrous creatures and plants. Their stories are captivating, from the eyeless and tiny dragonlike olm to the hawksbill turtle, whose gender will be determined by the temperature of the sand it is born in. These species may have survived for hundreds of thousands of years by cleverly adapting to their environments, but their future remains far from certain. The book brings to life red cranes as they dance and bow for the sheer joy of movement, trees that breathe out a haze of misty atmosphere for insects that only feast on one kind of flower, a deep-ocean snail quietly building its shell from iron... and each one of them is illuminated with an exquisite illustration. As you turn the pages, there emerges a network of life that stretches across and around the planet in a dazzling web of existence. This is both a love letter to life on Earth, and an urgent summons to protect what is precious and lovely in this world.

BBC Wildlife Documentaries in the Age of Attenborough (Paperback, 1st ed. 2019): Jean-Baptiste Gouyon BBC Wildlife Documentaries in the Age of Attenborough (Paperback, 1st ed. 2019)
Jean-Baptiste Gouyon
R745 R661 Discovery Miles 6 610 Save R84 (11%) Ships in 10 - 15 working days

This book explores the history of wildlife television in post-war Britain. It revolves around the role of David Attenborough, whose career as a broadcaster and natural history filmmaker has shaped British wildlife television. The book discusses aspects of Attenborough's professional biography and also explores elements of the institutional history of the BBC-from the early 1960s, when it was at its most powerful, to the 2000s, when its future is uncertain. It focuses primarily on the wildlife 'making-of' documentary genre, which is used to trace how television progressively became a participant in the production of knowledge about nature. With the inclusion of analysis of television programmes, first-hand accounts, BBC archival material and, most notably, interviews with David Attenborough, this volume follows the development of the professional culture of wildlife broadcasting as it has been portrayed in public. It will be of interest to wildlife television amateurs, historians of British television and students in science communication.

The Branches of Ecology - A 20th Century History (Hardcover): Frank N. Egerton The Branches of Ecology - A 20th Century History (Hardcover)
Frank N. Egerton
R2,985 Discovery Miles 29 850 Ships in 12 - 19 working days

The ecological sciences are a diverse array of major scientific disciplines. They grew from minor sciences, with little status in 1900, and now occupy crucial areas of research bearing on the future of our planet. This book describes a century of growth and development. A dramatic century-long rise in the status of ecological knowledge was accompanied by the rise of professional ecological organizations, the establishment of university faculties, and the creation of government agencies advising on conservation, natural resources, and the prevention of pollution. Like all sciences, ecology continues to yield new findings and surprising revelations. New technologies now address existential challenges facing our world. This book, documenting the rise of ecology, is an inspiring history portending an important role in the twenty-first century. Key Features: The author is the acknowledged authority on the history of ecology. The content is familiar to members of the Ecological Society of America but has not previously been assembled into a single narrative. Appropriate for a course in the history of ecology. Provides a broad perspective on ecology. Related Titles: Egerton, F. N. A Centennial History of the Ecological Society of America (ISBN 978-0-3673-7763-2). Rieppel, O. Phylogenetic Systematics: Haeckel to Hennig (ISBN 978-0-3678-7645-6) Dronamraju, K. A Century of Geneticists: Mutation to Medicine (ISBN 978-1-4987-4866-7)

Parasites and Pathogens - Effects On Host Hormones and Behavior (Hardcover, 1997 ed.): N.E. Beckage Parasites and Pathogens - Effects On Host Hormones and Behavior (Hardcover, 1997 ed.)
N.E. Beckage
R4,556 Discovery Miles 45 560 Ships in 10 - 15 working days

When Nancy Beckage and I first met in Lynn Riddiford's laboratory at the University of Washington in the mid 1970s, the fields of parasitology, behavior, and endocrinology were thriving and far-flung--disciplines in no serious danger of intersecting. There were rumors that they might have some common ground: Behavioural Aspects of Parasite Transmission (Canning and Wright, 1972) had just emerged, with exciting news not only of the way parasites themselves behave, but also of Machiavellian worms that caused intermediate hosts to shift fundamental responses to light and disturbance, becoming in the process more vulnerable to predation by the next host (Holmes and Bethel, 1972). Meanwhile, biologists such as Miriam Rothschild (see Dedication), G. B. Solomon (1969), and Lynn Riddiford herself (1975) had suggested that the endocrinological rami of parasitism might be subtle and pervasive. In general, however, para fications sites were viewed as aberrant organisms, perhaps good for a few just-so stories prior to turning our attention once again to real animals. In the decade that followed, Pauline Lawrence (1986a, b), Davy Jones (Jones et al., 1986), Nancy Beckage (Beckage, 1985; Beckage and Templeton, 1986), and others, including many in this volume, left no doubt that the host-parasite combination in insect systems was physiologically distinct from its unparasitized counterpart in ways that went beyond gross pathology."

Sampling and Statistical Methods for Behavioral Ecologists (Hardcover): Jonathan Bart, Michael A. Fligner, William I. Notz Sampling and Statistical Methods for Behavioral Ecologists (Hardcover)
Jonathan Bart, Michael A. Fligner, William I. Notz
R2,978 Discovery Miles 29 780 Ships in 12 - 19 working days

This 1998 book describes the sampling and statistical methods used most often by behavioral ecologists and field biologists. Written by a biologist and two statisticians, it provides a rigorous discussion together with worked examples of statistical concepts and methods that are generally not covered in introductory courses, and which are consequently poorly understood and applied by field biologists. The first section reviews important issues such as defining the statistical population and the sampling plan when using non-random methods for sample selection, bias, interpretation of statistical tests, confidence intervals and multiple comparisons. After a detailed discussion of sampling methods and multiple regression, subsequent chapters discuss specialized problems such as pseudoreplication, and their solutions. It will quickly become the statistical handbook for all field biologists.

Sharks: Conservation, Governance and Management - Conservation, governance and management (Paperback): Erika J. Techera,... Sharks: Conservation, Governance and Management - Conservation, governance and management (Paperback)
Erika J. Techera, Natalie Klein
R1,572 Discovery Miles 15 720 Ships in 12 - 19 working days

The key aim of this book is to explore the global conservation and management of sharks. There has been a rapid decline in populations of many shark species, while new science has emerged of the critical role they play in marine ecosystems. However, the authors show that conservation law and policy have been slow to develop, with only a small number of iconic species being protected worldwide. The increase in fishing impact - primarily through shark finning and by-catch - has led to shark conservation receiving greater international attention in recent years. The book explores our current knowledge and status of the law and science in relation to sharks with a particular focus on improving frameworks for their conservation and management. Recent trends are analysed, including shark finning bans that have been put in place in several countries, the widening number of nations establishing shark sanctuaries and the growth of shark-based tourism. The efficacy of current listing processes for endangered species and fisheries regulations is also examined. Tourism is explored as an alternative to fishing and the risks and impacts associated with this industry are analysed. Contributors include leading authorities from universities and conservation organizations in North America, Europe and Australia. A common theme is to emphasise the importance of collaborative governance between various interest groups and the need for inter-disciplinary research and management approaches that are necessary to address the decline in sharks.

Ecophysiology of Amphibians Inhabiting Xeric Environments (Hardcover, 1997 ed.): Michael Warburg Ecophysiology of Amphibians Inhabiting Xeric Environments (Hardcover, 1997 ed.)
Michael Warburg
R4,353 Discovery Miles 43 530 Ships in 10 - 15 working days

Scarcity of water has brought about a number of structural, behavioural, physiological and ecological adaptations in amphibians inhabiting seasonally xeric habitats.
This book describes structural and functional adaptations of key organs such as skin, kidneys, bladder, lungs and ovaries. Behavioural responses to high temperatures mainly involve thermoregulation and the selection of optimal temperatures and humidity. Special emphasis is placed on physiological adaptations: water, electrolyte, nitrogen, and thermal balance and their endocrine control are treated in detail. Development and metamorphosis, larval competition for food resources, and reproductive strategies are only a few of the exciting topics in the chapter on ecological aspects.

Freeliving Freshwater Protozoa (Paperback, New Ed): David J. Patterson, Stuart Hedley Freeliving Freshwater Protozoa (Paperback, New Ed)
David J. Patterson, Stuart Hedley
R1,958 Discovery Miles 19 580 Ships in 9 - 17 working days

Protozoa may be found in almost every aquatic habitat, each containing dozens of species. The diversity can provide invaluable insights into the nature of the habitat. Protozoa can thus be used to illustrate biological principles. This colour guide makes the identification of individual protozoa easily accessible to students and professionals and provides information on protozoan communities found in different environments by means of a wealth of colour photomicrographs supported by original and detailed line drawings and concise text. The guide has been welcomed by professional practitioners, researchers and instructors, by graduate, undergraduate and secondary level students, in a wide range of disciplines, for its clarity in providing a logical system for learning and recognition, the first step towards understanding and using the protozoan community as a biological indicator of environmental change, pollution and contamination.

Mixed-Species Groups of Animals - Behavior, Community Structure, and Conservation (Paperback): Eben Goodale, Guy Beauchamp,... Mixed-Species Groups of Animals - Behavior, Community Structure, and Conservation (Paperback)
Eben Goodale, Guy Beauchamp, Graeme Ruxton
R1,360 Discovery Miles 13 600 Ships in 12 - 19 working days

Mixed-Species Groups of Animals: Behavior, Community Structure, and Conservation presents a comprehensive discussion on the mixed-species groups of animals, a spectacular and accessible example of the complexity of species interactions. They are found in a wide range of animals, including invertebrates, fish, mammals and birds, and in different habitats, both terrestrial and aquatic, throughout the world. While there are more than 500 articles on this subject scattered in separate categories of journals, there has yet to be a general, cross-taxa book-length introduction to this subject that summarizes the behavior and community structure of these groups. The authors first survey the diversity of spatial associations among animals and then concentrate on moving groups. They review the major classes of theories that have been developed to explain their presence, particularly in how groups increase foraging efficiency and decrease predation. Finally, they explore the intricacies of species interactions, such as communication, that explain species roles in groups and discuss what implications these social systems have for conservation.

Clonality - The Genetics, Ecology, and Evolution of Sexual Abstinence in Vertebrate Animals (Hardcover): John C. Avise Clonality - The Genetics, Ecology, and Evolution of Sexual Abstinence in Vertebrate Animals (Hardcover)
John C. Avise
R2,014 Discovery Miles 20 140 Ships in 12 - 19 working days

Approximately 99.9% of vertebrate species reproduce sexually. The exceptional 0.1% reproduce via asexual or clonal means, which vary wildly and are fascinating in their own right. In this book, John C. Avise describes the genetics, ecology, natural history, and evolution of the world's approximately 100 species of vertebrate animal that routinely display one form or another of clonal or quasi-clonal reproduction. Approximately 99.9% of vertebrate species reproduce sexually. The exceptional 0.1% reproduce via asexual or clonal means, which vary wildly and are fascinating in their own right. In this book, John C. Avise describes the genetics, ecology, natural history, and evolution of the world's approximately 100 species of vertebrate animal that routinely display one form or another of clonal or quasi-clonal reproduction. By considering the many facets of sexual abstinence and clonal reproduction in vertebrate animals, Avise sheds new light on the biological meaning and ramifications of standard sexuality.

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