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

The Painted Stork - Exploring Ecology and Conservation in India (Paperback): Abdul Jamil Urfi The Painted Stork - Exploring Ecology and Conservation in India (Paperback)
Abdul Jamil Urfi
R782 Discovery Miles 7 820 Ships in 12 - 17 working days

A charismatic and arresting bird, the Painted Stork inhabits the plains and wetlands of India and Southeast Asia. This near-threatened species provides a good model through which to explore a variety of ecology and conservation issues. As a colonial nester, it is also useful for considering questions related to evolution and the development of avian coloniality. The Painted Stork sometimes nests opportunistically in the middle of large cities – the Delhi Zoo colony, for instance, has been active since 1960. This offers a splendid opportunity to study the species at close range, as attested by this book's lively photographic component. The Painted Stork is an important indicator of its wetland habitats, which themselves are highly threatened. Since environmental toxins, particularly organochlorine pesticides, travel rapidly along aquatic food chains, the study of piscivorous birds like the Painted Stork assumes special significance. Equally vulnerable today are the nesting colonies, located in marshes, village reservoirs and the wider countryside, including in urban settings. Perhaps because their natural nesting areas are becoming scarce due to habitat loss, colonial waterbirds look for suitable sites in parks and gardens. Hence, the behaviour of this species reflects changes occurring in its environment. Birds also help us monitor the effects of global climate change, and one of the most significant dimensions of the Painted Stork is its dependence upon the monsoon. How exactly do these seasonal rains govern the food cycles in wetlands? And what happens when the monsoon fails? Covering all aspects of Painted Stork ecology, behaviour, conservation and its relationship with humans, this accessible monograph contains a wealth of new insights.

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
R6,998 Discovery Miles 69 980 Ships in 12 - 17 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.

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
R1,546 Discovery Miles 15 460 Ships in 12 - 17 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

Whale Sharks - Biology, Ecology, and Conservation (Paperback): Simon J. Pierce, Alistair D.M. Dove Whale Sharks - Biology, Ecology, and Conservation (Paperback)
Simon J. Pierce, Alistair D.M. Dove
R1,881 Discovery Miles 18 810 Ships in 12 - 17 working days

Whale sharks are the largest of all fishes, fascinating for comparative studies of all manner of biological fields, including functional anatomy, growth, metabolism, movement ecology, behavior and physiology. These gentle ocean giants have captured the interest of scientists and the imagination of the public, yet their future is uncertain. The conservation status of whale sharks was upgraded to Endangered on the IUCN Red List and the species faces a range of intense threats from human activities. Can these iconic living animals, who have survived for millions of years, survive us? Written by the world's leading experts in whale shark biology, ecology, and conservation, Whale Sharks: Biology, Ecology and Conservation is the first definitive volume about the world's biggest fish. Chapters include discussions of satellite-linked tags, used to track whale shark movements; genetic sequencing, to examine evolutionary adaptations; even the use of underwater ultrasound units to investigate the species' reproduction. The editors hope that by collating what is known, they can make it easier for future researchers, conservationists, and resource managers to fill some of the remaining knowledge gaps, and provide the information they need to join the team. As you work your way through this book, we hope that you will develop a sense of awe and marvel at all of our good fortune to share the ocean, and the planet, with this utterly extraordinary species.

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
R4,160 Discovery Miles 41 600 Ships in 12 - 17 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

Feline Reproduction (Paperback): Aime Johnson, Michelle Kutzler Feline Reproduction (Paperback)
Aime Johnson, Michelle Kutzler; Contributions by Carla Barstow, Marco Cunto, Diane Delmain, …
R1,843 Discovery Miles 18 430 Ships in 9 - 15 working days

Cats are one of the most popular pets in the world and cat owners want advanced veterinary care. There is a growing interest in purebred cats which requires the highest quality reproductive care from the general veterinary practitioners. In Feline Reproduction, all aspects of reproduction in the queen and the tom are presented by a global author team. Beginning with basic anatomy and normal reproduction, this book reviews practical knowledge about feline pregnancy, neonatal care, breeding soundness exams, and semen cryopreservation. This book also provides the most current and comprehensive information about abnormal conditions affecting feline reproduction, such as infertility, spontaneous abortion and contraception. Covering both pets and nondomestic species, this feline reproduction book will prove to be essential for the general veterinary practitioner, veterinary student, animal scientist, and experienced cat breeder.

Mammal Bones and Teeth - An Introductory Guide to Methods of Identification (Paperback): Simon Hillson Mammal Bones and Teeth - An Introductory Guide to Methods of Identification (Paperback)
Simon Hillson
R1,850 Discovery Miles 18 500 Ships in 9 - 15 working days

This guide is designed as an introduction to the basic methods for identifying mammal bones and teeth. It is intended to highlight for beginners the main points on which identifications can be made on the bulk of bones and teeth from a small range of common Old World mammals.

A Year Unfolding - A Printmaker's View (Hardcover): Angela Harding A Year Unfolding - A Printmaker's View (Hardcover)
Angela Harding
R802 R660 Discovery Miles 6 600 Save R142 (18%) Ships in 9 - 15 working days

A cosy and delightful book - a real joy to behold.' Daily Mail 'A gorgeous book to be treasured' BBC Countryfile A beautifully illustrated guide to nature through the seasons by much-loved printmaker Angela Harding. The cover of this stunning book has an exclusive triptych printed on the reverse - a perfect collector's item This stunning work, the first book that is solely dedicated to Angela's art, is a celebration of her beautiful prints, and a glimpse into her detailed and meticulous process. A Year Unfolding is a journey through Angela's year in nature watching the seasons unfold in front of her from her studio in Rutland, and giving the reader detail into how nature transforms and evolves over the course of the year. A Year Unfolding also tells the stories behind some of Angela's most popular images, giving context to Angela's celebrated work, as well as new art created specifically for the book. The beautiful illustrations and evocative imagery of the prose make this the perfect book for Angela's fans and readers and art lovers everywhere. Angela has created the covers for many bestselling books, including The Salt Path and The Wild Silence by Raynor Winn, October, October by Katya Balen, English Pastoral by James Rebanks, Christmas is Murder by Val McDermid and RSPB Birds among many others.

Horse Crazy - The Story of a Woman and a World in Love with an Animal (Paperback): Sarah Maslin Nir Horse Crazy - The Story of a Woman and a World in Love with an Animal (Paperback)
Sarah Maslin Nir
R212 Discovery Miles 2 120 Ships in 12 - 17 working days

ONE OF USA TODAY'S "20 SUMMER BOOKS YOU WON'T WANT TO MISS" In the bestselling tradition of works by such authors as Susan Orlean and Mary Roach, a New York Times reporter and Pulitzer Prize finalist explores why so many people-including herself-are obsessed with horses. It may surprise you to learn that there are over seven million horses in America-even more than when they were the only means of transportation-and nearly two million horse owners. Acclaimed journalist and avid equestrian Sarah Maslin Nir is one of them; she began riding horses when she was just two years old and hasn't stopped since. Horse Crazy is a fascinating, funny, and moving love letter to these graceful animals and the people who-like her-are obsessed with them. It is also a coming-of-age story of Nir growing up an outsider within the world's most elite inner circles, and finding her true north in horses. Nir takes readers into the lesser-known corners of the riding world and profiles some of its most captivating figures. We meet Monty Roberts, the California trainer whose prowess earned him the nickname "the man who listens to horses," and his pet deer; George and Ann Blair, who at their riding academy on a tiny island in Manhattan's Harlem River seek to resurrect the erased legacy of the African American cowboy; and Francesca Kelly, whose love for an Indian nobleman shaped her life's mission: to protect an endangered Indian breed of horse and bring them to America. Woven into these compelling character studies, Nir shares her own moving personal narrative. She details her father's harrowing tale of surviving the Holocaust, and describes an enchanted but deeply lonely upbringing in Manhattan, where horses became her family. She found them even in the middle of the city, in a stable disguised in an old townhouse and in Central Park, when she chased down truants as an auxiliary mounted patrol officer. And she speaks candidly of how horses have helped her overcome heartbreak and loss. Infused with heart and wit, and with each chapter named after a horse Nir has loved, Horse Crazy is an unforgettable blend of beautifully written memoir and first-rate reporting.

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
R3,035 Discovery Miles 30 350 Ships in 12 - 17 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.

Remarkable reptiles of South Africa (Paperback, illustrated edition): Niels Jacobsen Remarkable reptiles of South Africa (Paperback, illustrated edition)
Niels Jacobsen
R568 Discovery Miles 5 680 Ships in 12 - 17 working days

South Africa has an inordinate wealth of plants and animals. It is a country of superlatives with an entire floral kingdom occurring within its borders. With a land surface area of only 2 per cent of the global landmass, it contains 10 per cent of the world's plants and between 6 and 7 per cent of the world's mammals, birds and reptiles. Not only does South Africa boast the greatest number of species of land tortoises of any place on Earth, it ranks fifth in the world with regard to overall number of reptile species. Such an array of reptiles, which at last count numbered 363 species, with more being described annually, shows an incredible range of adaptations enabling these remarkable creatures to live in extremes of climate from the high mountains to desert, from coast to coast and some even adapting to an urban environment. Despite this, the daily lives of most reptile species remain a closed book. Many species are cryptic, preferring not to be seen, while others display amongst the brightest colours in the animal kingdom. They range from very small species weighing less than a gram to the giant Nile crocodile, which may achieve a mass of 1 000 kg, and include some of the most poisonous species on the planet. It is indeed a treasure house. Remarkable Reptiles offers a glimpse into the fascinating world of snakes, lizards, chameleons, tortoises, terrapins and crocodiles and hopes to provide a greater insight into the behaviour of these often maligned animals. Many reptiles, especially snakes, receive unjust treatment because of attacks on humans, while anthropogenic causes, which are far more lethal, tend to be less emphasised. Hopefully this book will contribute to, and instil respect and interest in the remarkable diversity of reptiles with which South Africa has been blessed.

The Handbook of Bird Families (Paperback): Jonathan Elphick The Handbook of Bird Families (Paperback)
Jonathan Elphick
R683 R529 Discovery Miles 5 290 Save R154 (23%) Ships in 12 - 17 working days

What's the difference between a swallow and a swift? How many species of ducks, penguins, owls or thrushes are there? Which is the rarest parrot or the most endangered hummingbird? What do toucans eat? Discover all the key facts about the world's orders and families of birds with this ultimate handbook. Expert ornithologist Jonathan Elphick provides a comprehensive survey of every one of the 36 orders and 234 families of birds, revealing their remarkable diversity, appearance, behaviour and lifestyle. With clear, lively text, informative fact boxes that include the latest research and data, and special photography from award-winning wildlife photographers such as David Tipling, The Handbook of Bird Families belongs on the shelf of everyone interested in birds.

Insect Species Conservation (Hardcover): T.R. New Insect Species Conservation (Hardcover)
T.R. New
R2,679 Discovery Miles 26 790 Ships in 12 - 17 working days

Insects are the most diverse and abundant animals that share our world, and conservation initiatives are increasingly needed and being implemented globally, to safe guard the wealth of individual species. This book provides sufficient background information, illustrated by examples from many parts of the world, to enable more confident and efficient progress towards the conservation of these ecologically indispensable animals. Writing for graduate students, academic researchers and professionals, Tim New describes the major ingredients for insect species management and conservation, and how these may be integrated into effective practical management and recovery plans.

Bee or Wasp? (Paperback): Adeline J Zimmerman Bee or Wasp? (Paperback)
Adeline J Zimmerman; Illustrated by Na
R219 Discovery Miles 2 190 Ships in 10 - 15 working days
Urban Wildlife Management (Paperback, 3rd edition): Clark E. Adams Urban Wildlife Management (Paperback, 3rd edition)
Clark E. Adams
R1,526 Discovery Miles 15 260 Ships in 12 - 17 working days

Winner of the 2018 TWS Wildlife Publication Awards in the authored book category Urban development is one of the leading worldwide threats to conserving biodiversity. In the near future, wildlife management in urban landscapes will be a prominent issue for wildlife professionals. This new edition of Urban Wildlife Management continues the work of its predecessors by providing a comprehensive examination of the issues that increase the need for urban wildlife management, exploring the changing dynamics of the field while giving historical perspectives and looking at current trends and future directions. The book examines a range of topics on human interactions with wildlife in urbanized environments. It focuses not only on ecological matters but also on political, economic, and societal issues that must be addressed for successful management planning. This edition features an entirely new section on urban wildlife species, including chapters on urban communities, herpetofauna, birds, ungulates, mammals, carnivores, and feral and introduced species. The third edition features Five new chapters 12 updated chapters Four new case studies Seven new appendices and species profiles 90 new figures A comprehensive analysis of terrestrial vertebrate locations by state and urban observations Each chapter opens with a set of key concepts which are then examined in the following discussions. Suggested learning experiences to enhance knowledge conclude each chapter. The species profiles cover not only data about the animal concerned but also detail significant current management issues related to the species. An updated and expanded teaching tool, Urban Wildlife Management, Third Edition identifies the challenges and opportunities facing wildlife in urban communities as well as factors that promote or threaten their presence. It gives both students and professionals a solid grounding in the required fundamental ecological principles for understanding the effects of human-made environments on wildlife.

Area-Wide Management of Fruit Fly Pests (Paperback): Pablo Montoya, Diana Perez-Staples, Francisco Diaz-Fleischer, Maria Vera Area-Wide Management of Fruit Fly Pests (Paperback)
Pablo Montoya, Diana Perez-Staples, Francisco Diaz-Fleischer, Maria Vera
R1,500 Discovery Miles 15 000 Ships in 12 - 17 working days

Fruit fly (Diptera: Tephritidae) pests have a profound impact on horticultural production and economy of many countries. It is fundamental to understand their biology and evaluate methods for their suppression, containment, or eradication. Area-Wide Management of Fruit Fly Pests comprises contributions from scientists from around the world on several species of tephritids working on diverse subjects with a focus on area-wide management of these pests. The first three sections of the book explore aspects of the biology, ecology, physiology, behavior, taxonomy, and morphology of fruit flies. The next two sections provide evidence on the efficacy of attractants, risk assessment, quarantine, and post-harvest control methods. The fifth and sixth sections examine biological control methods such as the Sterile Insect Technique and the use of natural enemies of fruit flies. The seventh section focuses on area-wide integrated pest management and action programs. Finally, the eighth section examines social, economic, and policy issues of action programs aimed at involving the wider community in the control of these pests and facilitate the development of control programs. Features: Presents information on the biology of tephritid flies. Provides knowledge on the use of natural enemies of fruit flies for their biological control. Includes research results on models and diets used for the Sterile Insect Technique. Reports developments on the chemical ecology of fruit flies that contribute to make control methods more specific and efficient. Reviews subjects such as Holistic Pest Management and Area-Wide Management Programs including social, economic, and policy issues in various countries. The Open Access version of this book, available at https://www.taylorfrancis.com/books/9780429355738, has been made available under a Creative Commons Attribution-Non Commercial-No Derivatives 4.0 license.

Animal Movement - Statistical Models for Telemetry Data (Paperback): Mevin B. Hooten, Devin S. Johnson, Brett T. McClintock,... Animal Movement - Statistical Models for Telemetry Data (Paperback)
Mevin B. Hooten, Devin S. Johnson, Brett T. McClintock, Juan M. Morales
R1,745 Discovery Miles 17 450 Ships in 12 - 17 working days

The study of animal movement has always been a key element in ecological science, because it is inherently linked to critical processes that scale from individuals to populations and communities to ecosystems. Rapid improvements in biotelemetry data collection and processing technology have given rise to a variety of statistical methods for characterizing animal movement. The book serves as a comprehensive reference for the types of statistical models used to study individual-based animal movement. Animal Movement is an essential reference for wildlife biologists, quantitative ecologists, and statisticians who seek a deeper understanding of modern animal movement models. A wide variety of modeling approaches are reconciled in the book using a consistent notation. Models are organized into groups based on how they treat the underlying spatio-temporal process of movement. Connections among approaches are highlighted to allow the reader to form a broader view of animal movement analysis and its associations with traditional spatial and temporal statistical modeling. After an initial overview examining the role that animal movement plays in ecology, a primer on spatial and temporal statistics provides a solid foundation for the remainder of the book. Each subsequent chapter outlines a fundamental type of statistical model utilized in the contemporary analysis of telemetry data for animal movement inference. Descriptions begin with basic traditional forms and sequentially build up to general classes of models in each category. Important background and technical details for each class of model are provided, including spatial point process models, discrete-time dynamic models, and continuous-time stochastic process models. The book also covers the essential elements for how to accommodate multiple sources of uncertainty, such as location error and latent behavior states. In addition to thorough descriptions of animal movement models, differences and connections are also emphasized to provide a broader perspective of approaches.

Measurement and Manipulation of Intracellular Ions, Volume 27 (Hardcover): P.Michael Conn Measurement and Manipulation of Intracellular Ions, Volume 27 (Hardcover)
P.Michael Conn; Volume editing by Jacob Kracier, S Jeffrey Dixon
R1,736 Discovery Miles 17 360 Ships in 12 - 17 working days

This practical book provides the detailed methodology and expert guidance required for measuring and manipulating cytosolic ion concentrations. In addition, the strengths, weaknesses, and pitfalls of various techniques are presented. It is an invaluable source for those needing an objective evaluation of current methodologies and for those contemplating setting up such procedures.
Key Features
* A one-source reference for measuring and manipulating intracellular ions and for comparing and evaluating current methodologies
* Includes overviews of
* Optical probes and reagents
* Fabrication and use of ion-selective microelectrodes
* Use of NMR spectroscopy
* Ionophores

Ecology and Applications of Benthic Foraminifera (Paperback): John W. Murray Ecology and Applications of Benthic Foraminifera (Paperback)
John W. Murray
R1,575 Discovery Miles 15 750 Ships in 12 - 17 working days

In this 2006 volume John Murray investigates the ecological processes that control the distribution, abundance and species diversity of benthic foraminifera in environments ranging from marsh to the deepest ocean. To interpret the fossil record it is necessary to have an understanding of the ecology of modern foraminifera and the processes operating after death leading to burial and fossilisation. This book presents the ecological background required to explain how fossil forms are used in dating rocks and reconstructing past environmental features including changes of sea level. It demonstrates how living foraminifera can be used to monitor modern-day environmental change. Ecology and Applications of Benthic Foraminifera presents a comprehensive and global coverage of the subject using all the available literature. It is supported by a website hosting a large database of additional ecological information (www.cambridge.org/0521828392) and will form an important reference for academic researchers and graduate students in Earth and Environmental Sciences.

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
R4,140 Discovery Miles 41 400 Ships in 12 - 17 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.

Taschenfuhrer Saugetiere Sudliches Afrika (German, Paperback): Chris Stuart Taschenfuhrer Saugetiere Sudliches Afrika (German, Paperback)
Chris Stuart
R230 R184 Discovery Miles 1 840 Save R46 (20%) Ships in 11 - 16 working days

Easy-to-use and compact, this is the perfect pocket ID guide to mammals of the region. It covers some 120 mammals, from the smallest (bats, sengis and shrews) to the largest (lion, rhinoceros and elephant), as well as marine species, such as seals, dolphins and whales. Clear, full-color photographs and distribution maps.

A must-have for tourists and nature-lovers alike.This authoritative guide offers concise information, clear images of each animal, distribution maps and illustrations of tracks and droppings. This colorfully illustrated guide offers concise information on key ID pointers, similar species, habitat, behavior, diet, reproduction, longevity, calls, occurrence and measurements. Clear images of each animal, distribution maps, silhouettes indicating size relative to humans and illustrations of tracks and droppings offerconcise yet detailed information enabling quick and easy mammal ID.

Introduction to Non-Mulberry Silkworms (Hardcover): D. Elumalai, P. Mohan raj, R. Ramamoorthy, C Mohan, B. Poovizhiraja Introduction to Non-Mulberry Silkworms (Hardcover)
D. Elumalai, P. Mohan raj, R. Ramamoorthy, C Mohan, B. Poovizhiraja
R3,110 Discovery Miles 31 100 Ships in 12 - 17 working days

This book will serve as a valuable source of information on the aspects of history, current scenario, non-mulberry cultivation, pruning, pests and diseases of eri, tasar and muga, silkworm rearing, pests and diseases of non-mulberry silkworm, processing of cocoon etc. This book can be used as resource material and practical guide for the students of agriculture, horticulture and sericulture. Note: T&F does not sell or distribute the Hardback in India, Pakistan, Nepal, Bhutan, Bangladesh and Sri Lanka.

Microbial Diversity in Honeybees (Hardcover): Charles Wick, David Wick Microbial Diversity in Honeybees (Hardcover)
Charles Wick, David Wick
R3,692 Discovery Miles 36 920 Ships in 12 - 17 working days

Honeybees are an important link in our food chain because they are major pollinators of food crops. In recent years, honeybee populations have declined precipitously perhaps due to changes in their microbiome. This book describes and identifies the bee microbiome using a proteomics technology. Chapters include the detection and identification of microbes found in honeybees collected around the United States. This book contains new data and illustrates the rich diversity of microbes as collected by honeybees. It is a must read for everyone concerned about the honeybee and working in the industry.

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
R1,173 Discovery Miles 11 730 Ships in 12 - 17 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.

Reproduction and Development in Minor Phyla (Hardcover): T. J Pandian Reproduction and Development in Minor Phyla (Hardcover)
T. J Pandian
R3,709 Discovery Miles 37 090 Ships in 12 - 17 working days

The 26 recognized minor phyla comprise aberrant clades, as most of them terminate as blind offshoots. Untied from the discussion on their phylogenesis of minor phyla, this book is largely devoted, for the first time, to aspects of reproduction and development in minor phyletics. The minor phyla are not as speciose (1,795 species/phylum) as the major phyla (157,066 species/phylum) are. The accumulation of deleterious genes causes inbreeding depression among progenies arising from parthenogenesis, clonal multiplication and selfing hermaphrodites. The reason for the limited species diversity in minor phyla is traced to (i) eutelism in 65.7% of minor phyletics and (ii) existence of 21.6% clonals, (iii) 6.4% parthenogens and (iv) 1.2% selfing hermaphroditism. Gonochorism obligately requires motility to search for a mate. The combination of low motility and gonochorism from Placozoa to hemocoelomatic minor phyla has limited diversity to < 1,000 species. Over 19% of minor phyletics are hermaphrodites. With the need to manifest and maintain dual sexuality, fecundity of hermaphrodites may be reduced to 50% of that in gonochores. Adopting an array of strategies, < 100 hermaphrodites are selfers. In eutelics, mitotic division is ceased in somatic cells after hatching. For the first time, the prevalence of eutelism has been brought to light in numbers of all the six pseudocoelomate phyla and priapulids. Eutelism limits fecundity to 30-300 eggs in free-living pseudocoelomates, priapulids and possibly other hemocoelomates. In them, sperm production is less than that of egg production; as a result, a large fraction of their eggs is sterile. With a high proportion of non-eutelic gametic cells (35%), Nematoda and possibly Nematomorpha and Acanthocephala are more fecund than rotifers, in which the proportion is 15%. Briefly, the reasons for the limited species diversity in minor phyletics are traced to eutelism, parthenogenesis and clonal multiplication. Surprisingly, parthenogenesis and clonal multiplication mutually eliminate each other. This is also true of hermaphroditism and parthenogenesis. However, clonal multiplication is prevalent from structurally simplest Placozoa to the most complex Ascidiacea, except in pseudocoelomates and hemocoelomates. A limited number of cells and cell types, and the consequent structural simplicity facilitate manifestation of parthenogenesis in pseudocoelomates and parasitism in Mesozoa, Myxozoa, 59% of Nematoda, Nematomorpha, Acanthocephala and Pentastomida. Despite hermaphroditism, Bryozoa (5,700 species) and Ascidiacea (3,000 species) are speciose among minor phyla. For the first time, the importance of fusion of fragments or colonies - an event equivalent to gamete fusion at fertilization - is recognized as a source of new gene combination. Besides, the colonies in these minor phyla degenerate and regenerate more or less regularly. Only the fittest degenerated colonies may be rejuvenated and regenerated.

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Erik Holm Paperback  (3)
R310 R248 Discovery Miles 2 480

 

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