![]() |
Welcome to Loot.co.za!
Sign in / Register |Wishlists & Gift Vouchers |Help | Advanced search
|
Your cart is empty |
||
|
Books > Science & Mathematics > Biology, life sciences > Zoology & animal sciences > Animal ecology
Animal population ecology comprises the study of variations, regulation, and interactions of animal populations. This book discusses the fundamental notions and findings of animal populations on which most of the ecological studies are based. In particular, the author selects the logistic law of population growth, the nature of competition, sociality as an antithesis of competition, the mechanism underlying the regulation of populations, predator-prey interaction processes, and interactions among closely related species competing over essential resources. These are the notions that are considered to be well-established facts or principles and are regularly taught at ecology classes or introduced in standard textbooks. However, the author demonstrates that these notions are still inadequately understood, or even misunderstood, creating myths that would misguide ecologists in carrying out their studies. He delves deeply into those notions to reveal their real nature and draws a road map to the future development of ecology.
Animal population ecology comprises the study of variations, regulation, and interactions of animal populations. This book discusses the fundamental notions and findings of animal populations on which most of the ecological studies are based. In particular, the author selects the logistic law of population growth, the nature of competition, sociality as an antithesis of competition, the mechanism underlying the regulation of populations, predator-prey interaction processes, and interactions among closely related species competing over essential resources. These are the notions that are considered to be well-established facts or principles and are regularly taught at ecology classes or introduced in standard textbooks. However, the author demonstrates that these notions are still inadequately understood, or even misunderstood, creating myths that would misguide ecologists in carrying out their studies. He delves deeply into those notions to reveal their real nature and draws a road map to the future development of ecology.
Bears have fascinated people since ancient times. The relationship between bears and humans dates back thousands of years, during which time we have also competed with bears for shelter and food. In modern times, bears have come under pressure through encroachment on their habitats, climate change, and illegal trade in their body parts, including the Asian bear bile market. The IUCN lists six bears as vulnerable or endangered, and even the least concern species, such as the brown bear, are at risk of extirpation in certain countries. The poaching and international trade of these most threatened populations are prohibited, but still ongoing. Covering all bears species worldwide, this beautifully illustrated volume brings together the contributions of 200 international bear experts on the ecology, conservation status, and management of the Ursidae family. It reveals the fascinating long history of interactions between humans and bears and the threats affecting these charismatic species.
There are few creatures more beautiful, aloof, and fascinating than giraffes. Their social and ecological impact has been documented by many researchers. However, the inner workings of extant giraffes are less well known. That is why Graham Mitchell decided to write How Giraffes Work: a comprehensive overview of the anatomy, physiology, and biochemistry-in short, the normal functions-of a free-living, wild animal in its natural environment. A zoologist, veterinarian, and physiologist, Mitchell explains how giraffes get through their day. Additionally, he takes readers through the evolution of their physical characteristics, such as their size, shape, and coat markings. His approach integrates history with the physiology, anatomy, biochemistry, behavior, evolution, genetics, ecology, climate science, and more. Each chapter follows the discovery and utility of a different characteristic of giraffes. Illustrated with over two hundred figures and diagrams, the book explains how giraffes might have evolved and survived over many millions of years as well as how our perception of them has changed throughout history. So, how do giraffes work? The answers lie in a story filled not only with the details of their internal working but also with the labors of the extraordinary scientists who have put so many pieces of this puzzle together.
This book takes a new approach to understanding primate conservation research, adding a personal perspective to allow readers to learn what motivates those doing conservation work. When entering the field over a decade ago, many young primatologists were driven by evolutionary questions centered in behavioural ecology. However, given the current environment of cascading extinctions and increasing threats to primates we now need to ensure that primates remain in viable populations in the wild before we can simply engage in research in the context of pure behavioural ecology. This has changed the primary research aims of many primatologists and shifted our focus to conservation priorities, such as understanding the impacts of human activity, habitat conversion or climate change on primates. This book presents personal narratives alongside empirical research results and discussions of strategies used to stem the tide of extinction. It is a must-have for anyone interested in conservation research.
Cheney and Seyfarth enter the minds of vervet monkeys and other
primates to explore the nature of primate intelligence and the
evolution of cognition.
This book brings together leading conservation practitioners to reflect on their response to the current global biodiversity crisis, through the lens of island species recovery and management. Initial chapters cover the biological understanding of small population biology and the growing threat of invasive species, while subsequent chapters discuss the management of these threats and the complexity of leading projects within a dynamic and still relatively unknown system. Multiple case studies from islands worldwide illustrate key points, allowing readers to draw on the first-hand practical experience of experienced professionals. This resource will be invaluable to both current and future conservation professionals, helping them to go beyond disciplinary 'comfort zones' and develop, manage and lead projects over extensive timeframes in a way that brings others with them on the journey.
Essential Ornithology provides the reader with a concise but comprehensive introduction to the biology of birds, one of the most widely studied taxonomic groups. The book begins by considering the dinosaur origins of birds and their subsequent evolution. Development, anatomy, and physiology are then discussed followed by chapters devoted to avian reproduction, migration, ecology, and conservation. Sections dealing with aspects of bird/human relationships and bird conservation give the book an applied context. This new edition has been thoroughly updated, providing new information from rapidly-developing fields including the avian fossil record, urban and agricultural ecology, responses to climate change, invasive species biology, technologies to track movement, avian disease, and the role of citizen scientists. There is also a greater focus on North American ornithology. Drawing extensively upon the wider scientific literature, this engaging text places the results of classical studies of avian biology alongside the most recent scientific breakthroughs. Useful case studies are presented in a concise and engaging style with the student reader foremost in mind. Key points are highlighted and suggestions for guided reading and key references are included throughout. Essential Ornithology is a companion textbook for advanced undergraduate and graduate students taking courses in avian science, as well as a useful reference for professional researchers and consultants. Amateur ornithologists will also find this book offers a scientifically rigorous and accessible overview for a more general readership.
Coral reefs represent the most spectacular and diverse marine ecosystem on the planet as well as a critical source of income for millions of people. However, the combined effects of human activity have led to a rapid decline in the health of reefs worldwide, with many now facing complete destruction. Their world-wide deterioration and over-exploitation has continued and even accelerated in many areas since the publication of the first edition in 2009. At the same time, there has been a near doubling in the number of scientific papers that have been written in this short time about coral reef biology and the ability to acclimate to ocean warming and acidification. This new edition has been thoroughly revised and updated, incorporating the significant increase in knowledge gained over the last decade whilst retaining the book's focus as a concise and affordable overview of the field. The Biology of Coral Reefs provides an integrated overview of the function, physiology, ecology, and behaviour of coral reef organisms. Each chapter is enriched with a selection of 'boxes' on specific aspects written by internationally recognised experts. As with other books in the Biology of Habitats Series, the emphasis in this book is on the organisms that dominate this marine environment although pollution, conservation, climate change, and experimental aspects are also included. Indeed, particular emphasis is placed on conservation and management due to the habitat's critically endangered status. A global range of examples is employed which gives the book international relevance.
An Introduction to Molecular Ecology combines theoretical concepts with practice-driven examples to showcase the latest molecular and genomic techniques and their impact on the study of ecology. The opening chapters introduce the essential molecular and genetic concepts that underpin the subject and describe key molecular tools and methods available to the ecologist. Capturing the broad scope of the field, the book goes on to explore the use of molecular tools in the context of behavioural ecology, population genetics, phylogeography, conservation, and microbial ecology. The third edition includes coverage of exciting new technological and analytical developments, such as next generation sequencing, which have revolutionized the field over the last decade. Molecular ecology is now in a position to tackle some truly ecological questions for the first time since its inception. Blending conceptual detail with the most instructive examples, An Introduction to Molecular Ecology is an ideal resource for those new to the subject needing to develop a strong working understanding of the field. Online Resource Centre The Online Resource Centre to accompany An Introduction to Molecular Ecology features: For students: - Suggested review articles to take your learning further - Links to useful websites and software - A range of questions to consolidate your learning and understanding For registered adopters of the book: - Journal Club; suggested research papers and discussion questions linked to topics featured in the book - Figures from the textbook to view and download
Humans have moved organisms around the world for centuries but it is only relatively recently that invasion ecology has grown into a mainstream research field. This book examines both the spread and impact dynamics of invasive species, placing the science of invasion biology on a new, more rigorous, theoretical footing, and proposing a concept of adaptive networks as the foundation for future research. Biological invasions are considered not as simple actions of invaders and reactions of invaded ecosystems, but as co-evolving complex adaptive systems with emergent features of network complexity and invasibility. Invasion Dynamics focuses on the ecology of invasive species and their impacts in recipient social-ecological systems. It discusses not only key advances and challenges within the traditional domain of invasion ecology, but introduces approaches, concepts, and insights from many other disciplines such as complexity science, systems science, and ecology more broadly. It will be of great value to invasion biologists analyzing spread and/or impact dynamics as well as other ecologists interested in spread processes or habitat management.
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.
Parque Nacional Noel Kempff Mercado, located in eastern Bolivia
where the moist forests of the Amazon meet the dry forests of the
Cerrado, contains numerous unique ecosystems and exceptionally high
levels of biodiversity. This book presents the results not only of
an intensive biological survey of the area conducted in 1991, but
also of long-term research conducted from 1987 to 1995. Among other
findings, the survey discovered 26 new species of plants, one new
mammal species, and three new species of reptiles.
All animals feed selectively. This book examines the selectivity of feeding from a variety of viewpoints. It examines the viewpoint of the behavioural ecologist that considers decision rules, the dietitian that looks at nutritional problems, and the community ecologist that sees feeding as a factor influencing species diversity. The text brings these diverse disciplines together to produce a coherent view of the way in which organisms 'choose' their diet. Optimal foraging theory has brought the study of foraging
behaviour, particularly diet selection to a point where
physiological, nutritional, psychological, morphological and
ecological factors can begin to be addressed in a coherent fashion.
This book is not another exposition of optimal foraging theory, but
it does draw on the applications and limitations of the theory to
demonstrate the great potential for the development of diet
selection as an interdisciplinary subject.
California is globally renowned for its biological diversity, including its wealth of unique, or endemic, species. Many reasons have been cited to explain this abundance: the complex geology and topography of its landscape, the special powers of its Mediterranean-type climate, and the historic and modern barriers to the wider dispersal of its flora and fauna. "Plant and Animal Endemism in California" compiles and synthesizes a wealth of data on this singular subject, providing new and updated lists of native species, comparing patterns and causes of both plant and animal endemism, and interrogating the classic explanations proposed for the state's special significance in light of new molecular evidence. Susan Harrison also offers a summary of the innovative tools that have been developed and used in California to conserve and protect this stunning and imperiled diversity.
Places the converging disciplines of wildlife management and captive management in the context of the developing field of population and habitat viability analysis. The contributors explore the science of the demographic management of small populations, both in zoos and in the wild.
ACCOMPANIES THE LANDMARK SERIES NARRATED BY DAVID ATTENBOROUGH Find a world of wonder beyond the ice. 'Looking down at our planet from space it may come as a surprise how much of it is blanketed in snow and ice. These vast frozen wildernesses cover more than a fifth of the earth ... From the highest peaks to snow-bound deserts to alien worlds deep beneath the ice, they are home to an astonishing array of animals found nowhere else on earth.' David Attenborough, from the series. Frozen Planet II celebrates the surprisingly diverse worlds of ice - a world that is disappearing before our very eyes. Previously undiscovered stories, from chameleons giving birth on the frosty slopes of Mount Kenya to endangered Amur leopards in the Russian forest and killer whales hunting Weddell seals on ice floes in the Antarctic, shed new light on the beauty and the peril of the world's most fragile ecosystems. Behind-the-scenes insights explore the unique challenges of filming in these frozen worlds, where camera crew and wildlife alike brave the extreme conditions. With over 250 stunning full-colour photographs, Frozen Planet II reveals the wonders of the fastest-changing part of our planet, as we may never see them again.
Raptors are an unusual success story of wildness thriving in the heart of our cities--they have developed substantial populations around the world in recent decades. But there are deeper issues around how these birds make their urban homes. New research provides insight into the role of raptors as vital members of the urban ecosystem and future opportunities for protection, management, and environmental education. A cutting-edge synthesis of over two decades of scientific research, Urban Raptors is the first book to offer a complete overview of urban ecosystems in the context of bird-of-prey ecology and conservation. This comprehensive volume examines urban environments, explains why some species adapt to urban areas but others do not, and introduces modern research tools to help in the study of urban raptors. It also delves into climate change adaptation, human-wildlife conflict, and the unique risks birds of prey face in urban areas before concluding with real-world wildlife management case studies and suggestions for future research and conservation efforts. Boal and Dykstra have compiled the go-to single source of information on urban birds of prey. Among researchers, urban green space planners, wildlife management agencies, birders, and informed citizens alike, Urban Raptors will foster a greater understanding of birds of prey and an increased willingness to accommodate them as important members, not intruders, of our cities.
Longhurst examines the proposition, central to fisheries science, that a fishery creates its own natural resource by the compensatory growth it induces in the fish, and that this is sustainable. His novel analysis of the reproductive ecology of bony fish of cooler seas offers some support for this, but a review of fisheries past and present confirms that sustainability is rarely achieved. The relatively open structure and strong variability of marine ecosystems is discussed in relation to the reliability of resources used by the industrial-level fishing that became globalised during the 20th century. This was associated with an extraordinary lack of regulation in most seas, and a widespread avoidance of regulation where it did exist. Sustained fisheries can only be expected where social conditions permit strict regulation and where politicians have no personal interest in outcomes despite current enthusiasm for ecosystem-based approaches or for transferable property rights.
How do animals communicate using sounds? How did animal vocal communication arise and evolve? Exploring a new way to conceptualize animal communication, this new edition moves beyond an earlier emphasis on the role of senders in managing receiver behaviour, to examine how receivers' responses influence signalling. It demonstrates the importance of the perceiver role in driving the evolution of communication, for instance in mimicry, and thus shifts the emphasis from a linguistic to a form/function approach to communication. Covering a wide range of animals from frogs to humans, this new edition includes new sections on human prosodic elements in speech, the vocal origins of smiles and laughter and deliberately irritating sounds and is ideal for researchers and students of animal behaviour and in fields such as sensory biology, neuroscience and evolutionary biology.
With more than 29,000 species, fishes are the most diverse group of
vertebrates on the planet. Of that number, more than 12,000 species
are found in freshwater ecosystems, which occupy less than 1
percent of the Earth's surface and contain only 2.4 percent of
plant and animal species. But, on a hectare-for-hectare basis,
freshwater ecosystems are richer in species than more extensive
terrestrial and marine habitats. Examination of the distribution
patterns of fishes in these fresh waters reveals much about
continental movements and climate changes and has long been
critical to biogeographical studies and research in ecology and
evolution.
Recent advances in the study of bats have changed the way we understand this illusive group of mammals. This volume consist of 25 chapters and 57 authors from around the globe all writing on the most recent finding on the evolution, ecology and conservation of bats. The chapters in this book are not intended to be exhaustive literature reviews, but instead extended manuscripts that bring new and fresh perspectives. Many chapters consist of previously unpublished data and are repetitive of new insights and understanding in bat evolution, ecology and conservation. All chapters were peer-reviewed and revised by the authors. Many of the chapters are multi-authored to provide comprehensive and authoritative coverage of the topics.
Most projects in Landscape Ecology, at some point, define a species-habitat association. These models are inherently spatial, dealing with landscapes and their configurations. Whether coding behavioral rules for dispersal of simulated organisms through simulated landscapes, or designing the sampling extent of field surveys and experiments in real landscapes, landscape ecologists must make assumptions about how organisms experience and utilize the landscape. These convenient working postulates allow modelers to project the model in time and space, yet rarely are they explicitly considered. The early years of landscape ecology necessarily focused on the evolution of effective data sources, metrics, and statistical approaches that could truly capture the spatial and temporal patterns and processes of interest. Now that these tools are well established, we reflect on the ecological theories that underpin the assumptions commonly made during species distribution modeling and mapping. This is crucial for applying models to questions of global sustainability. Due to the inherent use of GIS for much of this kind of research, and as several authors' research involves the production of multicolored map figures, there would be an 8-page color insert. Additional color figures could be made available through a digital archive, or by cost contributions of the chapter authors. Where applicable, would be relevant chapters' GIS data and model code available through a digital archive. The practice of data and code sharing is becoming standard in GIS studies, is an inherent method of this book, and will serve to add additional research value to the book for both academic and practitioner audiences.
The capybara is the neotropical mammal with the highest potential for production and domestication. Amongst the favorable characteristics for domestication we can list its high prolificacy, rapid growth rate, a herbivorous diet, social behavior and relative tameness. The genus (with only two species) is found from the Panama Canal to the north of Argentina on the east of the Andes. Chile is the only country in South America where the capybara is not found. The species is eaten all over its range, especially by poor, rural and traditional communities engaged in subsistence hunting. On the other hand, in large urban settlements wildlife is consumed by city dwellers as a delicacy. The sustainable management of capybara in the wild has been adopted by some South American countries, while others have encouraged capybara rearing in captivity. |
You may like...
Freedom, Fatalism, and Foreknowledge
John Martin Fischer, Patrick Todd
Hardcover
R3,580
Discovery Miles 35 800
Ratels Aan Die Lomba - Die Storie Van…
Leopold Scholtz
Paperback
(4)
Test Generation of Crosstalk Delay…
S. Jayanthy, M.C. Bhuvaneswari
Hardcover
R3,785
Discovery Miles 37 850
|