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

Canines - The Original Biosensors (Hardcover): Lauryn E. DeGreeff, Craig A. Schultz Canines - The Original Biosensors (Hardcover)
Lauryn E. DeGreeff, Craig A. Schultz
R4,358 Discovery Miles 43 580 Ships in 10 - 15 working days

Detection canines have been utilized throughout the world for over a century, and while numerous attempts have been made to replicate the canine's ability to detect substances by mechanical means, none has been as successful. The olfactory system is a highly intricate and sophisticated design for chemical sensing, and the olfactory capacity of many animals, including canines, is considered unmatched by machine due to not only their great sensitivity and superior selectivity but also their trainability and mobility. These unique features have led to the use of such animals as "whole-animal" biosensors. Amplifying the benefits and diminishing the limitations of detection canines' interdisciplinary research is crucial to understanding canine olfaction and detection and enhancing this powerful and complex detector. The past 50 years have produced vast advancements in animal behavior/training technology to develop canines into more proficient and reliable sensors, while scientific research has provided tremendous support to help practitioners better understand how to utilize this powerful sensor. This book assembles a diverse group of authors with expertise in a variety of fields relating to detection canines and the chemical sensing industry, including both research and operational perspectives on detection canines. It illustrates how science enhances our understanding of how canines are employed for solving some of the world's leading detection challenges.

Nonlinear Contingency Analysis - Going Beyond Cognition and Behavior in Clinical Practice (Hardcover): T. V. Joe Layng, Paul... Nonlinear Contingency Analysis - Going Beyond Cognition and Behavior in Clinical Practice (Hardcover)
T. V. Joe Layng, Paul Thomas Andronis, Awab Abdel-Jalil, R. Trent Codd, III
R4,212 Discovery Miles 42 120 Ships in 10 - 15 working days

This book may provide the first and only clinical analysis that shows just why there is no such thing as irrational or dysfunctional behavior. The nonlinear contingency analysis presented demonstrates through principle and application that even the most personally costly behavior is in fact adaptive and sensible behavior when available alternatives and their consequences are explicitly considered --This book shows how a nonlinear consequential contingency analysis, goes beyond cognitive behavioral treatment, to provide an entirely new approach to clinical intervention. For those employing cognitive behavioral and related treatments this will be a must-read for the opportunity it provides practitioners to challenge and expand their treatment options, and or those who teach the increasingly growing number of BCBA candidates, this is the only book that will directly relate the scientific literature being taught in their programs to clinical intervention. This is one of the few books to provide a comprehensive approach to treating clinically complex behavior problems such as delusions and hallucinations, as well as a framework for behavior problems arising from organic sources, such as those found in cognitive decline.

Fine Riding - Blending Classical Riding and Equitation Science (Paperback): Susan McBane Fine Riding - Blending Classical Riding and Equitation Science (Paperback)
Susan McBane
R1,296 Discovery Miles 12 960 Ships in 10 - 15 working days

Equitation Science together with classical riding is today probably the most humane, effective, and practical way of training and enjoying the horse, competitive or not. To avoid getting involved is to accede to the status quo. Our horses deserve better.~Sharon E. Cregier, Ph.D., FIASH (Hon., Edin.), founding member of Equine Behaviour Forum In precise, practical language, Fine Riding describes how to blend the principles of classical riding with the modern findings of Equitation Science, demonstrating how to put the principles into practice when training and riding horses. The book encompasses the author's lifelong background in authentic classical riding and a 17-year study and practice of Equitation Science. It presents the best of the old with the best of the new, resulting in a unique and rational blend of principles, clearly explained, that enables and encourages readers to train, ride and care for their horses truly effectively and humanely. Applicable to riding of all schools of thought, from hacking to racing, including jumping, McBane's method is more than simply another 'system' of riding. It applies the results of rigorous scientific studies to the historical, classical training and riding of horses in an ethical, humane and effective way, explaining the principles in such a way that readers will feel able to put it into effect themselves. This book will encourage horse owners to serve their horses with renewed understanding and commitment.

Fine Riding - Blending Classical Riding and Equitation Science (Hardcover): Susan McBane Fine Riding - Blending Classical Riding and Equitation Science (Hardcover)
Susan McBane
R3,086 Discovery Miles 30 860 Ships in 10 - 15 working days

Equitation Science together with classical riding is today probably the most humane, effective, and practical way of training and enjoying the horse, competitive or not. To avoid getting involved is to accede to the status quo. Our horses deserve better.~Sharon E. Cregier, Ph.D., FIASH (Hon., Edin.), founding member of Equine Behaviour Forum In precise, practical language, Fine Riding describes how to blend the principles of classical riding with the modern findings of Equitation Science, demonstrating how to put the principles into practice when training and riding horses. The book encompasses the author's lifelong background in authentic classical riding and a 17-year study and practice of Equitation Science. It presents the best of the old with the best of the new, resulting in a unique and rational blend of principles, clearly explained, that enables and encourages readers to train, ride and care for their horses truly effectively and humanely. Applicable to riding of all schools of thought, from hacking to racing, including jumping, McBane's method is more than simply another 'system' of riding. It applies the results of rigorous scientific studies to the historical, classical training and riding of horses in an ethical, humane and effective way, explaining the principles in such a way that readers will feel able to put it into effect themselves. This book will encourage horse owners to serve their horses with renewed understanding and commitment.

Applications of Conditioning Theory (Hardcover): Graham Davey Applications of Conditioning Theory (Hardcover)
Graham Davey
R4,076 Discovery Miles 40 760 Ships in 10 - 15 working days

The area of applied psychology known as behaviour modification or behaviour therapy had progressed remarkably in the ten years, prior to publication. Illustrative of this progress is the variety of therapeutic and behaviour management techniques now available to the applied psychologist. This volume, originally published in 1981, describes some of the important characteristics of this development, and in particular, the relationship between behaviour change techniques and the principles of conditioning theory that generated them. This brief gives rise to three main themes. First, the book describes some of the reasons underlying the adoption of the conditioning paradigm and the epistemological advantages of the paradigm for behaviour modification. Second, a number of chapters discuss the current trends in specific areas of applied psychology where conditioning principles play an important heuristic role. These chapters deal with the uses made of conditioning theory in the areas of mental handicap, psychiatric therapy, work organizations, and the treatment of brain injury. Third, later chapters discuss some of the more recent theoretical developments in the field of behaviour modification/therapy, in particular the drift from strict behaviouristic applications of conditioning principles to more cognitive ones.

Sociality in Bats (Hardcover, 1st ed. 2016): Jorge Ortega Sociality in Bats (Hardcover, 1st ed. 2016)
Jorge Ortega
R6,313 Discovery Miles 63 130 Ships in 10 - 15 working days

This book provides new insights into the social behavior of bats - one of the most fascinating topics currently being pursued by researchers. After an introduction reviewing the history of research in bat behavioral ecology, it covers three major themes: bat sociality per se (Part I), bat communication (Part II), and ecological aspects (Part III). Part I offers a concise overview of the social organization and systems of bats, introducing readers to the complexity and dynamics of group structures. Part II is devoted to the innovative field of social communication, focusing on bat songs, dialects and calls. Part III discusses the influence of the environment on bat behavior, particularly with regard to roosting and foraging. This book addresses the needs of researchers working in behavioral sciences, evolution and ecology.

Organizational Behavior Management Approaches for Intellectual and Developmental Disabilities (Hardcover): James K. Luiselli,... Organizational Behavior Management Approaches for Intellectual and Developmental Disabilities (Hardcover)
James K. Luiselli, Rita M Gardner, Frank L. Bird, Helena Maguire
R4,513 Discovery Miles 45 130 Ships in 10 - 15 working days

provides an overview of the area of OBM-IDD summarizes the extant literature offers research-to-practice recommendations includes operational strategies for building successful service settings synthesizes the published literature and directs practice and research in the areas of assessment and evaluation, training, supervision, and performance improvement, systems interventions, and organizational development an integral aid for professionals looking to improve different aspects of service delivery

Operant Conditioning - An experimental analysis of behaviour (Hardcover): Derek E. Blackman Operant Conditioning - An experimental analysis of behaviour (Hardcover)
Derek E. Blackman
R4,065 Discovery Miles 40 650 Ships in 10 - 15 working days

The approach to psychology advocated by the radical behaviourists was often misunderstood and frequently gave rise to controversy. Originally published in 1974, this book introduced current research in operant conditioning and explains the attempt to understand behaviour inherent in such experiments at the time. After considering the philosophical context in which behaviouristic psychology developed, the author outlines the basic characteristics of operant research by reviewing single experiments on the effects of reinforcement on behaviour. Chapters on schedules of intermittent reinforcement extend this approach to more complex situations and emphasize that behaviour can be maintained and controlled in many different ways by environmental events. The author then discusses recent work on conditional reinforcement and on the discriminative control of behaviour and shows how operant research has changed our understanding of these important concepts in psychology. Subsequent chapters review research within the operant paradigm on the effects on behaviour of punishment, anxiety, aversive stimuli and drugs, again by emphasising the special contribution to these topics made by operant conditioning techniques and methodology. The final chapters consider the general implications of operant research for educational practice and for clinical psychology, and place this approach within the context of psychology as a whole. Dr Blackman argues that it should be recognized as one important attempt to further the scientific analysis of behaviour. This book, filled a long recognized need for an undergraduate text in this area at the time, and helped students form their own evaluation. Now it should be read in its historical context.

Health and Welfare of Brachycephalic (Flat-faced) Companion Animals - A Complete Guide for Veterinary and Animal Professionals... Health and Welfare of Brachycephalic (Flat-faced) Companion Animals - A Complete Guide for Veterinary and Animal Professionals (Hardcover)
Rowena Packer, Dan O'Neill
R3,112 Discovery Miles 31 120 Ships in 10 - 15 working days

Health and welfare issues of brachycephalic (flat-faced) animals are one of the most pressing problems facing companion animals right now. Dogs, in particular, are suffering from a 'brachycephalic crisis' resulting from a perfect storm where predispositions to an array of health issues are amplified by a population boom for certain brachycephalic breeds such as the French Bulldog and Pug. But yet, for many owners, these dogs represent the perfect companion: endearing personas and cute looks in a socially desirable package. So where is the truth in all of this? This book will equip veterinary professionals, animal welfare scientists, breeders and owners with the fuller story about brachycephalic health and welfare. The first half of the book provides the context of how and why we are in this crisis, offering in-depth historical, social, ethical, communication, nursing, welfare, epidemiological, genetics and international perspectives. The second half shifts towards the clinical arena, with chapters that cover the background, diagnosis, treatment and prevention of the many unique healthcare needs of brachycephalic animals. Cutting-edge knowledge is shared on a range of disciplines including respiratory disease, ophthalmology, dermatology, dentistry, neurology, obesity, reproduction and anesthesia. With twenty chapters written by world-leading experts, lifetimes of experience and knowledge are condensed into the first book dedicated exclusively to brachycephaly in companion animals. This essential reference resource will inform, challenge and stimulate; it will open your mind to new opportunities for you to improve the welfare of brachycephalic animals by your personal and collective choices and actions. But prepare to be surprised: you may just find that your views on brachycephaly in companion animals will be changed forever.

Perspectives in Behavior Genetics (Hardcover): John L. Fuller, Edward C. Simmel Perspectives in Behavior Genetics (Hardcover)
John L. Fuller, Edward C. Simmel
R3,518 Discovery Miles 35 180 Ships in 10 - 15 working days

Originally published in 1986, we were living in a world in which the number of publications in behaviour genetics had reached a point where it was difficult, even for those teaching the subject, to keep up with the literature. The editors of this title believe that there is a need for people who have planned and executed long-term research programs to summarize and comment on their results. This volume was intended to help meet that need. The authors were given free choice of subject and format. The result is a variety of topics that had been researched mainly over the previous decade. Chapter 1 is an exception and looked back at the work of others in behaviour genetics over a quarter-century and tried to detect trends in the types of research done in the field.

Migration Strategies of Birds of Prey in Western Palearctic (Hardcover): Michele Panuccio, Ugo Mellone, Nicolantonio Agostini Migration Strategies of Birds of Prey in Western Palearctic (Hardcover)
Michele Panuccio, Ugo Mellone, Nicolantonio Agostini
R7,332 Discovery Miles 73 320 Ships in 10 - 15 working days

Given their roles in the ecosystem, raptors are widely considered the flagship or umbrella species among birds. Most species undertake a seasonal journey that is impressive because of the length, and the imposing natural barriers such as deserts and seas that they fly over. The migration of birds of prey has unique characteristics in the animal world because of their morphology and flight style. The flying path of Afro-Palearctic migrants between breeding and wintering grounds is determined by several factors such as morphology of the birds, geography, behavioural adaptations. The book analyses the migration patterns of raptors along the Afro-Palearctic migratory system, and summarizes the recent research on these top predator species. Behavioural adaptations such as the importance of social interactions and the modulation of the different flight styles as well as ecological interactions with the encountered environment and weather conditions en route are described in the book. Moreover, the impact of climate change on the migratory behaviour and key conservation issues are discussed. The book provides an overview of the migratory characteristics and flyway patterns of all European raptors species and also some Asian ones. These chapters have been written by some of the most important raptor specialists, giving a complete picture of the different migration strategies on the basis of both traditional methods and new technologies.

Migration Strategies of Birds of Prey in Western Palearctic (Paperback): Michele Panuccio, Ugo Mellone, Nicolantonio Agostini Migration Strategies of Birds of Prey in Western Palearctic (Paperback)
Michele Panuccio, Ugo Mellone, Nicolantonio Agostini
R2,805 Discovery Miles 28 050 Ships in 10 - 15 working days

Given their roles in the ecosystem, raptors are widely considered the flagship or umbrella species among birds. Most species undertake a seasonal journey that is impressive because of the length, and the imposing natural barriers such as deserts and seas that they fly over. The migration of birds of prey has unique characteristics in the animal world because of their morphology and flight style. The flying path of Afro-Palearctic migrants between breeding and wintering grounds is determined by several factors such as morphology of the birds, geography, behavioural adaptations. The book analyses the migration patterns of raptors along the Afro-Palearctic migratory system, and summarizes the recent research on these top predator species. Behavioural adaptations such as the importance of social interactions and the modulation of the different flight styles as well as ecological interactions with the encountered environment and weather conditions en route are described in the book. Moreover, the impact of climate change on the migratory behaviour and key conservation issues are discussed. The book provides an overview of the migratory characteristics and flyway patterns of all European raptors species and also some Asian ones. These chapters have been written by some of the most important raptor specialists, giving a complete picture of the different migration strategies on the basis of both traditional methods and new technologies.

Social Media Analytics for User Behavior Modeling - A Task Heterogeneity Perspective (Paperback): Arun Reddy Nelakurthi,... Social Media Analytics for User Behavior Modeling - A Task Heterogeneity Perspective (Paperback)
Arun Reddy Nelakurthi, Jingrui He
R1,561 Discovery Miles 15 610 Ships in 10 - 15 working days

Winner of the "Outstanding Academic Title" recognition by Choice for the 2020 OAT Awards. The Choice OAT Award represents the highest caliber of scholarly titles that have been reviewed by Choice and conveys the extraordinary recognition of the academic community. In recent years social media has gained significant popularity and has become an essential medium of communication. Such user-generated content provides an excellent scenario for applying the metaphor of mining any information. Transfer learning is a research problem in machine learning that focuses on leveraging the knowledge gained while solving one problem and applying it to a different, but related problem. Features: Offers novel frameworks to study user behavior and for addressing and explaining task heterogeneity Presents a detailed study of existing research Provides convergence and complexity analysis of the frameworks Includes algorithms to implement the proposed research work Covers extensive empirical analysis Social Media Analytics for User Behavior Modeling: A Task Heterogeneity Perspective is a guide to user behavior modeling in heterogeneous settings and is of great use to the machine learning community.

An Introduction to Human-Animal Relationships - A Psychological Perspective (Hardcover): Clive R Hollin An Introduction to Human-Animal Relationships - A Psychological Perspective (Hardcover)
Clive R Hollin
R4,494 Discovery Miles 44 940 Ships in 10 - 15 working days

An Introduction to Human-Animal Relationships is a comprehensive introduction to the field of human-animal interaction from a psychological perspective across a wide range of themes. Hollin examines the topic of the relationships between humans and animals as seen in owning a companion animal alongside more indirect relationships such as our approaches to eating meat. The core issues under discussion include the moral and ethical issues raised in using animals for entertainment, in therapy, to keep us safe, and in sports such as horse racing. The justifications for hunting and killing animals as sport and using animals in scientific experimentation are considered. The closing chapter looks to the future and considers how conservation and climate change may influence human-animal relationships. This key text brings an important perspective to the field of human-animal studies and will be useful to students and scholars in the fields of psychology, sociology, animal welfare, anthrozoology, veterinary science, and zoology.

Organizational Behavior Management Approaches for Intellectual and Developmental Disabilities (Paperback): James K. Luiselli,... Organizational Behavior Management Approaches for Intellectual and Developmental Disabilities (Paperback)
James K. Luiselli, Rita M Gardner, Frank L. Bird, Helena Maguire
R1,623 Discovery Miles 16 230 Ships in 10 - 15 working days

provides an overview of the area of OBM-IDD summarizes the extant literature offers research-to-practice recommendations includes operational strategies for building successful service settings synthesizes the published literature and directs practice and research in the areas of assessment and evaluation, training, supervision, and performance improvement, systems interventions, and organizational development an integral aid for professionals looking to improve different aspects of service delivery

An Introduction to Human-Animal Relationships - A Psychological Perspective (Paperback): Clive R Hollin An Introduction to Human-Animal Relationships - A Psychological Perspective (Paperback)
Clive R Hollin
R1,242 Discovery Miles 12 420 Ships in 10 - 15 working days

An Introduction to Human-Animal Relationships is a comprehensive introduction to the field of human-animal interaction from a psychological perspective across a wide range of themes. Hollin examines the topic of the relationships between humans and animals as seen in owning a companion animal alongside more indirect relationships such as our approaches to eating meat. The core issues under discussion include the moral and ethical issues raised in using animals for entertainment, in therapy, to keep us safe, and in sports such as horse racing. The justifications for hunting and killing animals as sport and using animals in scientific experimentation are considered. The closing chapter looks to the future and considers how conservation and climate change may influence human-animal relationships. This key text brings an important perspective to the field of human-animal studies and will be useful to students and scholars in the fields of psychology, sociology, animal welfare, anthrozoology, veterinary science, and zoology.

Career Paths in Human-Animal Interaction for Social and Behavioral Scientists (Hardcover): Phyllis Erdman, Lori Kogan Career Paths in Human-Animal Interaction for Social and Behavioral Scientists (Hardcover)
Phyllis Erdman, Lori Kogan
R4,485 Discovery Miles 44 850 Ships in 10 - 15 working days

1. Fills an important niche in the market - there are currently no books designed to help educate students about social science professional opportunities that incorporate animals. 2. Provides insights into careers of leaders in the HAI field, including: their background history, 'A Day in the Life of...' vignettes, honest accounts of the challenges and rewards of the job, and advice for those seeking a similar role. 3. Clearly outlines the sometimes unclear career paths available to social science students, from careers connected to human services (therapy, social work, journalism) to research or other scholarship.

Training Nonhuman Primates Using Positive Reinforcement Techniques - A Special Issue of the journal of Applied Animal Welfare... Training Nonhuman Primates Using Positive Reinforcement Techniques - A Special Issue of the journal of Applied Animal Welfare Science (Hardcover)
Mark J. Prescott, Hannah M. Buchanan-Smith
R4,482 Discovery Miles 44 820 Ships in 10 - 15 working days

This special issue illustrates benefits to animals from positive reinforcement training (PRT) and--depending on the setting--to scientists, animal care staff, veterinarians, and in the case of the zoo, the visiting public. One important theme throughout is that training is a joint venture between human and nonhuman primate and can lead to a closer, richer relationship between the two. In summary, the editors hope this issue encourages further and wider application of PRT to primate management, care, and use, as well as aid those working with animals in applying PRT safely and effectively.

Can Fish Count? - What Animals Reveal about our Uniquely Mathematical Mind (Paperback): Brian Butterworth Can Fish Count? - What Animals Reveal about our Uniquely Mathematical Mind (Paperback)
Brian Butterworth
R441 R404 Discovery Miles 4 040 Save R37 (8%) Ships in 9 - 17 working days

'What I like best about this fascinating book is the detail. Brian Butterworth doesn't just tell us stories of animals with numerical abilities: he tells us about the underlying science. Elegantly written and a joy to read' - Professor Ian Stewart, author of What's the Use? and Taming the Infinite 'Full of thought-provoking studies and animal observations' - Booklist 'Enlightening and entertaining' - Publishers Weekly The Hidden Genius of Animals: Every pet owner thinks their own dog, cat, fish or hamster is a genius. What makes CAN FISH COUNT? so exciting is the way it unveils just how widespread intelligence is in nature. Pioneering psychologist Brian Butterworth describes the extraordinary numerical feats of all manner of species ranging from primates and mammals to birds, reptiles, fish and insects. Whether it's lions deciding to fight or flee, frogs competing for mates, bees navigating their way to food sources, fish assessing which shoal to join, or jackdaws counting friends when joining a mob - every species shares an ability to count. Homo Sapiens may think maths is our exclusive domain, but this book shows that every creature shares a deep-seated Darwinian ability to understand the intrinsic language of our universe: mathematics CAN FISH COUNT? is that special sort of science book - a global authority in his field writing an anecdotally-rich and revelatory narrative which changes the way you perceive something we take for granted.

Homo Sapiens - From Man to Demigod (Paperback): Bernhard Rensch Homo Sapiens - From Man to Demigod (Paperback)
Bernhard Rensch
R1,094 Discovery Miles 10 940 Ships in 10 - 15 working days

Originally published in 1972, Homo Sapiens examines how humans emerged from among the millions of other species and achieved our unique position within the animal kingdom. The book examines what direction future evolution will take and what may be regarded as the 'meaning' of human existence. It stipulates that these are the questions for which no real basis of discussion existed before the 20th century, and at the time of publication, some were still without a definite answer. The book sets out analyse these questions and the continuing debate that has arisen from their study. This is an account of the uniqueness of man in the animal kingdom, how this uniqueness arose during evolution, and what traces of it can be detected in animals other than man. The book describes the mental and physical evolution of man, from his earliest ancestors to the present day. He also gives an account of man's cultural development seeking to establish that there is an underlying principal of cultural evolution, a principle that has been denied by many historians. Later chapters deal with the future and with possible forecasts of mankind's further physical, intellectual and cultural evolution.

Obese Humans and Rats (Paperback): Stanley Schacter, Judith Rodin Obese Humans and Rats (Paperback)
Stanley Schacter, Judith Rodin
R1,010 Discovery Miles 10 100 Ships in 10 - 15 working days

Originally published in 1974, this volume examines the behavioural similarities of obese humans and animals whose so-called feeding centre (the ventro-medial hypothalamic nuclei) has been lesioned. Both the obese human and the VMH-lesioned animal seem to share a hyposensitivity to the internal (physiological) cues to eating and hypersensitivity to external cues associated with food. Beginning with a review, these obese animals and the human obese are compared point by point on experimental results reported in the literature. Then, new findings are presented that specifically tested humans for relationships that are well-established for lesioned animals. Next, a theoretical framework integrates the human and animal data to postulate that the relationship of cue prominence and probability of response is stronger for the obese than for normal. The causes for this, and the extension of the basis for the obese's eating behaviour to other areas, are discussed in light of further experiments that will make this invaluable reading for all concerned with the history of obesity and the issues of regulatory behaviour.

Reproduction and Development in Annelida - Series on: Reproduction and Development in Aquatic Invertebrates (Paperback): T. J... Reproduction and Development in Annelida - Series on: Reproduction and Development in Aquatic Invertebrates (Paperback)
T. J Pandian
R1,559 Discovery Miles 15 590 Ships in 10 - 15 working days

This book is a concise informative elucidation of all aspects of reproduction and development in annelids covering from arenicola to tubifex. Annelids flourish between 4,900 m depth to 2,000 m altitude; some of them occur in unusual habitats like hydrothermal vents and subterranean aquatic system (stigobionts). A few have no gut and acquire adequate nutrients through osmotrophism and/or engaging symbiotic microbes. In the absence of exoskeleton to escape predation, the 17,000 speciose annelids have explored bewildering modes of reproduction; not surprisingly, 42-47% of them are brooders. With 13,000 species, polychaetes are gonochores but some 207 species of them are hermaphrodites. Clitellates are all hermaphrodites; of them, 76 species are parthenogens, of which 56 are earthworms. Regenerative potency of annelids ranges from an organ to an entire worm from a single 'seminal' segment. The head, tail and both together can be regenerated 21, 42 and 20 times, respectively. However, the potency is limited to ~1% of polychaetes and < 2% of oligochaetes. In oligochaetes, the chloragogue temporally separates regeneration and reproduction but sedentary polychaetes undertake them together at the reduced reproductive output. Only 79 polychaete and 111 oligochaete species have the potency for clonal reproduction. Within families, the potency ranges from 2% in spionids to 54% in naidids. Epitoky, a spectacular and unique phenomenon, involves the transformation from benthic to meroplanktonic reproductive morphism. It occurs in 106 errant polychaete species. The larger glycerides, nereidids and eunicids use muscular energy to climb < 50 m vertical distance. But the small phyllodocids and cteniodrilids may reduce buoyancy to climb 1,000-4,000 m vertical distance. Heterogamatic sex determination is reported to occur only in six polychaete species, although karyotype is known for 83 annelid species. In temperate polychaetes, a dozen neuroendocrines, arising mostly from the 'brain' regulates reproductive cycle. A complete chapter devoted to vermiculture, (i) recognizes the fast-growing candidate species, (ii) distinguishes 'layers' from 'brooders', (iii) indicates that the harvest of oligochaetes may reduce the input of nitrogenous fertilizer in the ricefield, and (iv) explores the scope for increasing wealth from waste.

Behavioral Genetics of the Mouse: Volume 1, Genetics of Behavioral Phenotypes (Hardcover, New): Wim E. Crusio, Frans Sluyter,... Behavioral Genetics of the Mouse: Volume 1, Genetics of Behavioral Phenotypes (Hardcover, New)
Wim E. Crusio, Frans Sluyter, Robert T. Gerlai, Susanna Pietropaolo
R4,120 Discovery Miles 41 200 Ships in 10 - 15 working days

The first volume in the new Cambridge Handbooks in Behavioral Genetics series, Behavioral Genetics of the Mouse provides baseline information on normal behaviors, essential in both the design of experiments using genetically modified or pharmacologically treated animals and in the interpretation and analyses of the results obtained. The book offers a comprehensive overview of the genetics of naturally occurring variation in mouse behavior, from perception and spontaneous behaviors such as exploration, aggression, social interactions and motor behaviors, to reinforced behaviors such as the different types of learning. Also included are numerous examples of potential experimental problems, which will aid and guide researchers trying to troubleshoot their own studies. A lasting reference, the thorough and comprehensive reviews offer an easy entrance into the extensive literature in this field, and will prove invaluable to students and specialists alike.

Bee Pollination in Agricultural Eco-systems (Hardcover): Rosalind James, Theresa L. Pitts-Singer Bee Pollination in Agricultural Eco-systems (Hardcover)
Rosalind James, Theresa L. Pitts-Singer
R2,799 Discovery Miles 27 990 Ships in 10 - 15 working days

For many agricultural crops, bees play a vital role as pollinators, and this book discusses the interplay among bees, agriculture, and the environment. Although honey bees are well recognized as pollinators, managed bumble bees and solitary bees are also critical for the successful pollination of certain crops, while wild bees provide a free service. As bees liberally pass pollen from one plant to the next, they also impact the broader ecosystem, and not always to the benefit of humankind. Bees can enhance the unintentional spread of genes from genetically engineered plants, and may increase the spread of invasive weeds. Conversely, genetically engineered plants can impact pollinators, and invasive weeds can supply new sources of food for these insects. Bees' flower-visiting activities also can be exploited to help spread biological control agents that control crop pests, and they are important for native plant reproduction. Managing bees for pollination is complex and the factors that must be taken into consideration are treated here, including bee natural history, physiology, pathology, and behavior. Furthermore, transporting bees from native ranges to new areas for pollination services can be controversial, and needs to be done only after assuring that it will not disrupt various ecosystems. Even though bees are small, unobtrusive creatures, they play large roles in the ecosystem. The connection between bees and humankind also is symbolic of a broader interconnection between humans and the natural world.

Career Paths in Human-Animal Interaction for Social and Behavioral Scientists (Paperback): Phyllis Erdman, Lori Kogan Career Paths in Human-Animal Interaction for Social and Behavioral Scientists (Paperback)
Phyllis Erdman, Lori Kogan
R1,061 Discovery Miles 10 610 Ships in 10 - 15 working days

1. Fills an important niche in the market - there are currently no books designed to help educate students about social science professional opportunities that incorporate animals. 2. Provides insights into careers of leaders in the HAI field, including: their background history, 'A Day in the Life of...' vignettes, honest accounts of the challenges and rewards of the job, and advice for those seeking a similar role. 3. Clearly outlines the sometimes unclear career paths available to social science students, from careers connected to human services (therapy, social work, journalism) to research or other scholarship.

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