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

Mosquito Ecology - Field Sampling Methods (Hardcover, 3rd ed. 2008. Corr. 2nd printing 2008): John B. Silver Mosquito Ecology - Field Sampling Methods (Hardcover, 3rd ed. 2008. Corr. 2nd printing 2008)
John B. Silver
R9,846 R8,033 Discovery Miles 80 330 Save R1,813 (18%) Ships in 12 - 17 working days

Mosquito Ecology: Field Sampling Methods is the Third Edition of this popular reference work, originally devised and written by Professor M W Service and now updated by John B Silver. The purpose of the third edition is in keeping with the original vision of Professor Service to describe the methods and rationale for sampling mosquitoes, with particular emphasis on the ecology and behaviour of those species that play a role as vectors of human and animal diseases and infections. The book is designed to serve as a practical reference for field entomologists and mosquito control specialists and describes the sampling methods and available trapping technologies and tools for the collection of all life-stages of mosquitoes, from egg to adult. It also describes the techniques available for data analysis and discusses ecological principles of relevance to the study of field populations of mosquitoes. While concentrating primarily on mosquitoes, many of the techniques described are suitable for the study of other Diptera, including Ceratopogonidae, Chironomidae, Simuliidae, Phlebotominae, etc.

The Physiological Ecology of Vertebrates - A View from Energetics (Hardcover): Brian K. McNab The Physiological Ecology of Vertebrates - A View from Energetics (Hardcover)
Brian K. McNab; Foreword by James H. Brown
R3,159 Discovery Miles 31 590 Ships in 12 - 17 working days

Physiological ecology has grown in importance as an area of biology in the past thirty years and integrates the diverse approaches used in the comparative biology of organisms. Biologists segregate their approaches by technique and concept, but the boundaries among ecology, behavior, anatomy, and physiology are arbitrary and of no significance to organisms. Physiological ecology emphasizes the diversity of not only organisms, but also of solutions to (and evasions of) problems posed by the environment.In a comprehensive and authoritative synthesis of physiological ecology supported by more than 3,100 references, Brian K. McNab demonstrates the intellectual cohesion of the field. To ground his discussion in clearly understood contexts, McNab emphasizes the common thread of energy expenditure throughout the text and limits the discussion to vertebrates, which have familiar habitats and comparatively well-known evolutionary histories.A thorough scientific resource and reference tool, Physiological Ecology of Vertebrates is the first book to cover this complex subject. It will be the standard reference and basis for much future research in this fast-growing field of study.

Reintroduction of Fish and Wildlife Populations (Hardcover): David S. Jachowski, Joshua J Millspaugh, Paul L. Angermeier, Rob... Reintroduction of Fish and Wildlife Populations (Hardcover)
David S. Jachowski, Joshua J Millspaugh, Paul L. Angermeier, Rob Slotow
R1,780 R1,475 Discovery Miles 14 750 Save R305 (17%) Ships in 12 - 17 working days

Reintroduction of Fish and Wildlife Populations provides a practical step-by-step guide to successfully planning, implementing, and evaluating the re-establishment of animal populations in former habitats or their introduction in new environments. In each chapter, experts in reintroduction biology outline a comprehensive synthesis of core concepts, issues, techniques, and perspectives. This manual and reference supports scientists and managers from fisheries and wildlife professions as they plan reintroductions, initiate releases of individuals, and manage restored populations over time. Covering a broad range of taxonomic groups, ecosystems, and global regions, this edited volume is an essential guide for academics, students, and professionals in natural resource management.

What Good Are Bugs? - Insects in the Web of Life (Paperback, New edition): Gilbert Waldbauer What Good Are Bugs? - Insects in the Web of Life (Paperback, New edition)
Gilbert Waldbauer
R752 Discovery Miles 7 520 Ships in 12 - 17 working days

We shriek about them, slap and spray them, and generally think of insects (when we think of them at all) as pests. Yet, if all insects, or even a critical few, were to disappear--if there were none to pollinate plants, serve as food for other animals, dispose of dead organisms, and perform other ecologically essential tasks--virtually all the ecosystems on earth, the webs of life, would unravel. This book, the first to catalogue ecologically important insects by their roles, gives us an enlightening look at how insects work in ecosystems--what they do, how they live, and how they make life as we know it possible.

In "What Good Are Bugs?" Gilbert Waldbauer combines anecdotes from entomological history with insights into the intimate workings of the natural world, describing the intriguing and sometimes amazing behavior of these tiny creatures. He weaves a colorful, richly textured picture of beneficial insect life on earth, from ants sowing their "hanging gardens" on Amazonian shrubs and trees to the sacred scarab of ancient Egypt burying balls of cattle dung full of undigested seeds, from the cactus-eating caterpillar (aptly called "Cactoblastis") controlling the spread of the prickly pear to the prodigious honey bee and the "sanitary officers of the field"--the fly maggots, ants, beetles, and caterpillars that help decompose and recycle dung, carrion, and dead plants. As entertaining as it is informative, this charmingly illustrated volume captures the full sweep of insects' integral place in the web of life.

The Gnu's World - Serengeti Wildebeest Ecology and Life History (Paperback): Richard D. Estes The Gnu's World - Serengeti Wildebeest Ecology and Life History (Paperback)
Richard D. Estes
R781 R675 Discovery Miles 6 750 Save R106 (14%) Ships in 12 - 17 working days

This volume is the first scholarly book on the antelope that dominate the savanna ecosystems of eastern and southern Africa. It presents a synthesis of research conducted over a span of fifty years, mainly on the wildebeests in the Ngorongoro and Serengeti ecosystems, where eighty percent of the world's total wildebeest population lives. Wildebeest and other grazing mammals drive the ecology and evolution of the savanna ecosystem. Estes describes this process as well as detailing the wildebeest's life history, focusing on its social organization and unique reproductive system, which are adapted to the animal's epic annual migrations. He also examines conservation issues that affect wildebeest, including range-wide population declines.

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
R2,602 R2,185 Discovery Miles 21 850 Save R417 (16%) Ships in 12 - 17 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.

Ecology of Insects 2e (Paperback, 2nd Edition): M. Speight Ecology of Insects 2e (Paperback, 2nd Edition)
M. Speight
R1,863 Discovery Miles 18 630 Ships in 12 - 17 working days

Fully revised and updated to include new topical study areas, the second edition of the successful text the "Ecology of Insects" provides a balanced treatment of the theory and practice of pure and applied insect ecology.

Includes new topical areas of insect ecology and provides greater coverage of physiological, genetic, molecular, and ecosystem aspects of insect ecology
Concepts include the foundations of evolutionary ecology and population dynamics in ecosystem science as they are applied to topics such as climate change, conservation and biodiversity, epidemiology and pest management
Fully updated and revised throughout, this new edition refers to primary literature and real world examples.

To access the artwork from the book, please visit: http: //www.blackwellpublishing.com/speightinsects.

Sexual Selection (Paperback, New): Malte Andersson Sexual Selection (Paperback, New)
Malte Andersson
R2,473 R1,600 Discovery Miles 16 000 Save R873 (35%) Ships in 12 - 17 working days

Bright colors, enlarged fins, feather plumes, song, horns, antlers, and tusks are often highly sex dimorphic. Why have males in many animals evolved more conspicuous ornaments, signals, and weapons than females? How can such traits evolve although they may reduce male survival? Such questions prompted Darwin's perhaps most scientifically controversial idea--the theory of sexual selection. It still challenges researchers today as they try to understand how competition for mates can favor the variety of sex-dimorphic traits. Reviewing theoretical and empirical work in this very active field, Malte Andersson, a leading contributor himself, provides a major up-to-date synthesis of sexual selection.

The author describes the theory and its recent development; examines models, methods, and empirical tests; and identifies many unsolved problems. Among the topics discussed are the selection and evolution of mating preferences; relations between sexual selection and speciation; constraints on sexual selection; and sex differences in signals, body size, and weapons. The rapidly growing study of sexual selection in plants is also reviewed. This volume will interest students, teachers, and researchers in behavioral ecology and evolutionary biology.

Fish Ecology, Evolution, and Exploitation - A New Theoretical Synthesis (Paperback): Ken H. Andersen Fish Ecology, Evolution, and Exploitation - A New Theoretical Synthesis (Paperback)
Ken H. Andersen
R1,036 R892 Discovery Miles 8 920 Save R144 (14%) Ships in 12 - 17 working days

Fish are one of the most important global food sources, supplying a significant share of the world's protein consumption. From stocks of wild Alaskan salmon and North Sea cod to entire fish communities with myriad species, fisheries require careful management to ensure that stocks remain productive, and mathematical models are essential tools for doing so. Fish Ecology, Evolution, and Exploitation is an authoritative introduction to the modern size- and trait-based approach to fish populations and communities. Ken Andersen covers the theoretical foundations, mathematical formulations, and real-world applications of this powerful new modeling method, which is grounded in the latest ecological theory and population biology. He begins with fundamental assumptions on the level of individuals and goes on to cover population demography and fisheries impact assessments. He shows how size- and trait-based models shed new light on familiar fisheries concepts such as maximum sustainable yield and fisheries selectivity-insights that classic age-based theory can't provide-and develops novel evolutionary impacts of fishing. Andersen extends the theory to entire fish communities and uses it to support the ecosystem approach to fisheries management, and forges critical links between trait-based methods and evolutionary ecology. Accessible to ecologists with a basic quantitative background, this incisive book unifies the thinking in ecology and fisheries science and is an indispensable reference for anyone seeking to apply size- and trait-based models to fish demography, fisheries impact assessments, and fish evolutionary ecology.

Forest Ecology 4e (Hardcover, 4th Edition): BV Barnes Forest Ecology 4e (Hardcover, 4th Edition)
BV Barnes
R5,948 Discovery Miles 59 480 Ships in 10 - 15 working days

This revised and reorganized text is designed for a standard forest ecology course for undergraduates in forestry, natural resources, environmental science, environmental ecology, and field ecology programs. Provides an eminently current perspective on the material by emphasizing forest ecosystems using a landscape-ecosystem or geo-ecosystem approach. Written by both field teachers and researchers of forest ecology and practitioners of forest ecology in both public and private arenas. Treats traditional plant ecology topics of community, succession, biota from a landscape ecosystem perspective, also emphasizes earth science.

Modeling Populations of Adaptive Individuals (Hardcover): Steven F. Railsback, Bret C. Harvey Modeling Populations of Adaptive Individuals (Hardcover)
Steven F. Railsback, Bret C. Harvey
R2,354 Discovery Miles 23 540 Ships in 12 - 17 working days

Ecologists now recognize that the dynamics of populations, communities, and ecosystems are strongly affected by adaptive individual behaviors. Yet until now, we have lacked effective and flexible methods for modeling such dynamics. Traditional ecological models become impractical with the inclusion of behavior, and the optimization approaches of behavioral ecology cannot be used when future conditions are unpredictable due to feedbacks from the behavior of other individuals. This book provides a comprehensive introduction to state- and prediction-based theory, or SPT, a powerful new approach to modeling trade-off behaviors in contexts such as individual-based population models where feedbacks and variability make optimization impossible. Modeling Populations of Adaptive Individuals features a wealth of examples that range from highly simplified behavior models to complex population models in which individuals make adaptive trade-off decisions about habitat and activity selection in highly heterogeneous environments. Steven Railsback and Bret Harvey explain how SPT builds on key concepts from the state-based dynamic modeling theory of behavioral ecology, and how it combines explicit predictions of future conditions with approximations of a fitness measure to represent how individuals make good-not optimal-decisions that they revise as conditions change. The resulting models are realistic, testable, adaptable, and invaluable for answering fundamental questions in ecology and forecasting ecological outcomes of real-world scenarios.

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
R1,432 R1,336 Discovery Miles 13 360 Save R96 (7%) Ships in 12 - 17 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.

Spatial Analysis in Field Primatology - Applying GIS at Varying Scales (Hardcover): Francine L. Dolins, Christopher A. Shaffer,... Spatial Analysis in Field Primatology - Applying GIS at Varying Scales (Hardcover)
Francine L. Dolins, Christopher A. Shaffer, Leila M. Porter, Jena R. Hickey, Nathan P. Nibbelink
R3,008 Discovery Miles 30 080 Ships in 12 - 17 working days

From foraging patterns in a single tree to social interactions across a home range, how primates use space is a key question in the field of primate behavioral ecology. Drawing on the latest advances in spatial analysis tools, this book offers practical guidance on applying geographic information systems (GIS) to central questions in primatology. An initial methodological section discusses niche modelling, home range analysis and agent-based modelling, with a focus on remote data collection. Research-based chapters demonstrate how ecologists apply this technology to a suite of topics including: calculating the intensity of use of both range and travel routes, assessing the impacts of logging, mining and hunting, and informing conservation strategies.

Wildlife Behavior and Conservation (Hardcover, 2012): Richard H Yahner Wildlife Behavior and Conservation (Hardcover, 2012)
Richard H Yahner
R4,487 Discovery Miles 44 870 Ships in 10 - 15 working days

Begins with in-depth coverage of wildlife behavior concepts as they relate to conservation problems. Topics will focus principally on discussion, critique, and development of behavioral concepts, with particular attention given to published studies on various topics in wildlife behavioral concepts as related to conservation and natural history. He will include an extensive list of references.

Verhaltensbiologie (German, Paperback, 5. Aufl. 2020): Peter M. Kappeler Verhaltensbiologie (German, Paperback, 5. Aufl. 2020)
Peter M. Kappeler
R1,505 Discovery Miles 15 050 Ships in 10 - 15 working days

Fressen und Nicht-gefressen-Werden, Paarungspartner finden und Junge erfolgreich aufziehen - diese grundlegenden Prinzipien der Verhaltensbiologie werden in dem Lehrbuch ubersichtlich und anhand aktueller Beispiele dargestellt. Neben dem Thema Verhaltensbiologie als integrative Disziplin liegt der inhaltliche Schwerpunkt bei Fragen der Evolution des Verhaltens, der Anpassung, der Verhaltensoekologie, Soziobiologie und Evolutionsbiologie. Die Neuauflage wurde um einige eindrucksvolle Fotos erganzt, das Kapitel zum Sozialverhalten erweitert.

Rocky Outcrops in Australia - Ecology, Conservation and Management (Paperback): Damian Michael, David Lindenmayer Rocky Outcrops in Australia - Ecology, Conservation and Management (Paperback)
Damian Michael, David Lindenmayer
R1,235 Discovery Miles 12 350 Ships in 12 - 17 working days

Rocky outcrops are landscape features with disproportionately high biodiversity values relative to their size. They support specialised plants and animals, and a wide variety of endemic species. To Indigenous Australians, they are sacred places and provide valuable resources. Despite their ecological and cultural importance, many rocky outcrops and associated biota are threatened by agricultural and recreational activities, forestry and mining operations, invasive weeds, altered fire regimes and climate change. Rocky Outcrops in Australia: Ecology, Conservation and Management contains chapters on why this habitat is important, the animals that live and depend on these formations, key threatening processes and how rocky outcrops can be managed to improve biodiversity conservation in agricultural landscapes, state forests and protected areas. This book will be an important reference for landholders, Landcare groups, naturalists interested in Australian wildlife and natural resource managers.

Dynamics, Silviculture and Management of Mixed Forests (Hardcover, 1st ed. 2018): Andres Bravo-Oviedo, Hans Pretzsch, Miren del... Dynamics, Silviculture and Management of Mixed Forests (Hardcover, 1st ed. 2018)
Andres Bravo-Oviedo, Hans Pretzsch, Miren del Rio
R5,693 Discovery Miles 56 930 Ships in 12 - 17 working days

The capacity of mixed forests to mitigate climate change effects by increasing resilience and lowering risks is pinpointed as an opportunity to highlight the role of tree species rich forests as part of complex socio-ecological systems. This book updates and presents the state-of-the-art of mixed forest performance in terms of regeneration, growth, yield and delivery of ecosystem services. Examples from more than 20 countries in Europe, North Africa and South America provide insights on the interplay between structure and functionining, stability, silviculture and optimization of management of this type of forests. The book also analyses the role of natural mixed forests and mixed plantations in the delivery of ecosystem services and the best modelling strategy to study mixed forest dynamics. The book is intended to serve as a reference tool for students, researchers and professionals concerned about the management of mixed forests in a context of social and environmental change.

Wood Ant Ecology and Conservation (Hardcover): Jenni A. Stockan, Elva J. H. Robinson Wood Ant Ecology and Conservation (Hardcover)
Jenni A. Stockan, Elva J. H. Robinson
R2,315 Discovery Miles 23 150 Ships in 12 - 17 working days

Wood ants play an ecologically dominant and conspicuous role in temperate boreal forests, making a keystone contribution to woodland ecosystem functions and processes. Wood ant taxonomy and global distributions set the scene for this text's exploration of wood ants as social insects, examining their flexible social structures, genetics, population ecology, and behaviour, from nest-mate recognition to task allocation. Wood ants' interactions with their environment and with other organisms are essential to their success: competition, predation and mutualism are described and analysed. Bringing together the expertise of ecological researchers and conservation practitioners, this book provides practical and theoretical advice about sampling and monitoring these insects, and outlines the requirements for effective conservation. This is an indispensable resource for wood ant researchers, entomologists, conservationists and ecological consultants, as well as anyone interested in social insects, keystone species and the management and conservation of forest ecosystems.

Human-Wildlife Interactions - Turning Conflict into Coexistence (Hardcover): Beatrice Frank, Jenny A. Glikman, Silvio Marchini Human-Wildlife Interactions - Turning Conflict into Coexistence (Hardcover)
Beatrice Frank, Jenny A. Glikman, Silvio Marchini
R2,450 Discovery Miles 24 500 Ships in 12 - 17 working days

Human-wildlife conflict (HWC) is one of the most complex and urgent issues facing wildlife management and conservation today. Originally focused on the ecology and economics of wildlife damage, the study and mitigation of HWC has gradually expanded its scope to incorporate the human dimensions of the whole spectrum of human-wildlife relationships, from conflict to coexistence. Having the conflict-to-coexistence continuum as its leitmotiv, this book explores a variety of theories and methods currently used to address human-wildlife interactions, illustrated by case studies from around the world. It presents some key concepts in the field, such as values, emotions, social identity and tolerance, and a variety of insights and solutions to turn conflict into coexistence, from individual level to national scales, including conservation marketing, incremental and radical innovation, strategic planning, and socio-ecological systems. This volume will be of interest to a wide range of readers, including academics, researchers, students, practitioners and policy-makers.

Status of Conservation and Decline of Amphibians - Australia, New Zealand, and Pacific Islands (Hardcover): Harold Heatwole,... Status of Conservation and Decline of Amphibians - Australia, New Zealand, and Pacific Islands (Hardcover)
Harold Heatwole, Jodi J... .L... Rowley
R3,706 Discovery Miles 37 060 Ships in 12 - 17 working days

Amphibians are among the most threatened groups of animals on earth. In part due to their highly permeable skin, amphibians are highly sensitive to environmental changes and pollution and provide an early-warning system of deteriorating environmental conditions. The more we learn about the impact of environmental changes on amphibians, the better we as humans will be able to arrest their demise, and our own. Status of Conservation and Decline of Amphibians brings together the current knowledge on the status of the unique frogs of Australia, New Zealand, and the Pacific. Although geographically proximate, each region presents unique challenges and opportunities in amphibian research and conservation. This book contributes to an understanding of the current conservation status of the amphibians of each region, aims to stimulate research into halting amphibian declines, and provides a better foundation for making conservation decisions. It is an invaluable reference for environmental and governmental agencies, researchers, policy-makers involved with biodiversity conservation, and the interested public. FEATURES: Contains expert analysis of the conservation status of frogs in different regions within Australia, New Zealand and the Pacific Islands as well as the threats they face Provides recommendations for future monitoring, research and legislation and a benchmark against which future threats can be assessed and effectiveness of conservation measures evaluated This book is Volume 11 (Status of Conservation and Decline of Amphibians: Eastern Hemisphere), Part 6 (Australia, New Zealand, and Pacific Islands) of the Amphibian Biology series

Managing Australia's Pest Animals - A Guide to Strategic Planning and Effective Management (Paperback): Mike Braysher Managing Australia's Pest Animals - A Guide to Strategic Planning and Effective Management (Paperback)
Mike Braysher
R1,240 Discovery Miles 12 400 Ships in 12 - 17 working days

Pest animals are but one of many factors that influence the desired outcome from managing natural resource based systems, whether for production or conservation purposes. Others include diseases, weeds, financial resources, weather and fire management. To be effective, an integrated and systematic approach is required, and the principles and strategic approach outlined in this book can also be used to plan and manage the damage due to other factors. Managing Australia's Pest Animals includes case studies of successful and unsuccessful pest management strategies and covers a range of topics, including the history of pest management, current best practice principles, and guidelines for planning and applying strategic pest management approaches to effectively reduce pest damage. This book is the first clear and comprehensive guide to best practice pest management in Australia and will benefit students and trainers of pest managers, landholders, people involved in natural resource management, and industry and government pest management staff.

A Natural History of Families (Paperback, New Ed): Scott Forbes A Natural History of Families (Paperback, New Ed)
Scott Forbes
R724 Discovery Miles 7 240 Ships in 12 - 17 working days

Why do baby sharks, hyenas, and pelicans kill their siblings? Why do beetles and mice commit infanticide? Why are twins and birth defects more common in older human mothers? "A Natural History of Families" concisely examines what behavioral ecologists have discovered about family dynamics and what these insights might tell us about human biology and behavior. Scott Forbes's engaging account describes an uneasy union among family members in which rivalry for resources often has dramatic and even fatal consequences.

In nature, parents invest resources and control the allocation of resources among their offspring to perpetuate their genetic lineage. Those families sometimes function as cooperative units, the nepotistic and loving havens we choose to identify with. In the natural world, however, dysfunctional familial behavior is disarmingly commonplace.

While explaining why infanticide, fratricide, and other seemingly antisocial behaviors are necessary, Forbes also uncovers several surprising applications to humans. Here the conflict begins in the moments following conception as embryos struggle to wrest control of pregnancy from the mother, and to wring more nourishment from her than she can spare, thus triggering morning sickness, diabetes, and high blood pressure. Mothers, in return, often spontaneously abort embryos with severe genetic defects, allowing for prenatal quality control of offspring.

Using a broad sweep of entertaining examples culled from the world of animals and humans, "A Natural History of Families" is a lively introduction to the behavioral ecology of the family.

Foraging Theory (Paperback): David W. Stephens, John R. Krebs Foraging Theory (Paperback)
David W. Stephens, John R. Krebs
R2,825 Discovery Miles 28 250 Ships in 10 - 15 working days

This account of the current state of foraging theory is also a valuable description of the use of optimality theory in behavioral ecology in general. Organizing and introducing the main research themes in economic analyses of animal feeding behavior, the authors analyze the empirical evidence bearing on foraging models and answer criticisms of optimality modeling. They explain the rationale for applying optimality models to the strategies and mechanics of foraging and present the basic "average-rate maximizing" models and their extensions. The work discusses new directions in foraging research: incorporating incomplete information and risk-sensitive behavior in foraging models; analyzing trade-offs, such as nutrient requirements and the threat of being eaten while foraging; formulating dynamic models; and building constrained optimization models that assume that foragers can use only simple "rules of thumb." As an analysis of these and earlier research developments and as a contribution to debates about the role of theory in evolutionary biology. Foraging Theory will appeal to a wide range of readers, from students to research professionals, in behavioral ecology, population and community ecology, animal behavior, and animal psychology, and especially to those planning empirical tests of foraging models.

The Ecology of Invasions by Animals and Plants (Paperback, New edition): Charles S. Elton The Ecology of Invasions by Animals and Plants (Paperback, New edition)
Charles S. Elton
R764 Discovery Miles 7 640 Ships in 9 - 15 working days

Much as Rachel Carson's "Silent Spring" was a call to action against the pesticides that were devastating bird populations, Charles S. Elton's classic "The Ecology of Invasions by Animals and Plants" sounded an early warning about an environmental catastrophe that has become all too familiar today--the invasion of nonnative species. From kudzu to zebra mussels to Asian long-horned beetles, nonnative species are colonizing new habitats around the world at an alarming rate thanks to accidental and intentional human intervention. One of the leading causes of extinctions of native animals and plants, invasive species also wreak severe economic havoc, causing $79 billion worth of damage in the United States alone.
Elton explains the devastating effects that invasive species can have on local ecosystems in clear, concise language and with numerous examples. The first book on invasion biology, and still the most cited, Elton's masterpiece provides an accessible, engaging introduction to one of the most important environmental crises of our time.
Charles S. Elton was one of the founders of ecology, who also established and led Oxford University's Bureau of Animal Population. His work has influenced generations of ecologists and zoologists, and his publications remain central to the literature in modern biology.
"History has caught up with Charles Elton's foresight, and "The Ecology of Invasions" can now be seen as one of the central scientific books of our century."--David Quammen, from the Foreword to "Killer Algae: The True Tale of a Biological Invasion"

Coral Reefs of Australia - Perspectives from Beyond the Water's Edge (Paperback): Pat Hutchings, Sarah M. Hamylton, Ove... Coral Reefs of Australia - Perspectives from Beyond the Water's Edge (Paperback)
Pat Hutchings, Sarah M. Hamylton, Ove Hoegh-Guldberg
R2,326 Discovery Miles 23 260 Ships in 12 - 17 working days

Australia's coral reefs stretch far and wide, covering 50 000 square kilometres from the Indian Ocean in the West to the Pacific Ocean in the East. They have been viewed as a bedrock of coastal livelihoods, as uncharted and perilous nautical hazards, as valuable natural resources, and as unique, natural wonders with secrets waiting to be unlocked. Australia's coral reefs have sustained a global interest as places to visit, and as objects of study, science, protection and conservation. Coral Reefs of Australia examines our evolving relationship with coral reefs, and explores their mystery and the fast pace at which they are now changing. Corals are feeling the dramatic impacts of global climate change, having undergone several devastating mass coral bleaching events, dramatic species range shifts and gradual ocean acidification. This comprehensive and engaging book brings together the diverse views of Indigenous Australians, coral reef scientists, managers and politicians to reveal how we interact with coral reefs, focussing on Indigenous culture, coastal livelihoods, exploration, discovery, scientific research and climate change. It will inform and inspire readers to learn more about these intriguing natural phenomena and how we can protect coral reefs for the future. FEATURES A unique interdisciplinary collection celebrating our relationship with Australia's coral reefs that brings together perspectives from Aboriginal and Torres Strait Islander peoples, coral reef scientists, managers and politicians. Covers the full geographical scope of Australia's reefs from the Indian Ocean's Cocos (Keeling) atoll in the West to the Pacific Ocean's Lord Howe Island in the East. Illustrated with high quality images of coral reef environments and people interacting with them. Covers the development of coral reef science in Australia and how scientists have interacted with reef managers and policy makers to guide effective stewardship of reefs.

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