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

Where to Watch Birds in Dorset, Hampshire and the Isle of Wight - 5th Edition (Paperback, 5th edition): Keith Betton Where to Watch Birds in Dorset, Hampshire and the Isle of Wight - 5th Edition (Paperback, 5th edition)
Keith Betton
R629 Discovery Miles 6 290 Ships in 12 - 17 working days

A revised and expanded edition of this book, the definitive birdwatching site guide for Dorset, Hampshire and the Isle of Wight Whether you're seeking Firecrests or Hawfinch in the New Forest, Osprey in Dorset or eagles on the Isle of Wight, this book tells you where to go, what you'll see and when to see it. Keith Betton's fully revised and updated fifth edition of Where to Watch Birds in Dorset, Hampshire and the Isle of Wight is the essential site guide for any birdwatcher visiting or resident in the area. This book contains a comprehensive review of the area's significant birdwatching sites, providing all the information necessary to make the most of each and every trip, whatever the time of year. This edition also incorporates new sites and revised mapping throughout and has notes on access and target species. This book is an indispensable resource for birders in this bird-rich sweep of southern England.

Ecology and Conservation of the Maned Wolf - Multidisciplinary Perspectives (Hardcover, New): Adriana G. Consorte-McCrea,... Ecology and Conservation of the Maned Wolf - Multidisciplinary Perspectives (Hardcover, New)
Adriana G. Consorte-McCrea, Eliana Ferraz Santos
R3,056 Discovery Miles 30 560 Ships in 12 - 17 working days

Wolves are controversial figures worldwide and much effort has focused on how to conserve them while addressing public concerns. With its solitary habits and fruit-eating diet, the endangered maned wolf roams the South American grasslands and swamps, playing a vital part in maintaining biodiversity hotspots. Compared to the grey wolf, little is known about its relationship with local people and the environment and the reasons for its decline, making research about this unique species an urgent concern. Ecology and Conservation of the Maned Wolf: Multidisciplinary Perspectives gathers the work of leading researchers from diverse disciplines and countries, covering up-to-date research on the biology, ecology, and conservation of the maned wolf. It presents innovative insights that can benefit conservation strategies and offers perspectives for the future of the species. The book is divided into three parts. Part I explains the general issues concerning the maned wolf: population viability, the relationship between maned wolves and people, and the management of captive maned wolves. It also reviews current aspects of species biology, including conservation genetics, feeding ecology, social structure and reproduction, and conservation medicine. Part II contains case studies that present knowledge gathered from conservation programs and field research in all countries where the species is currently found-Brazil, Uruguay, Argentina, Bolivia, and Paraguay. Part III offers perspectives from diverse fields of research, exploring the challenges and opportunities connecting maned wolf conservation efforts with those of its habitat and of other endangered species. This includes education and communication tools, the application of human dimensions research to maned wolf conservation, ethnoconservation perspectives, and the ecological and socioeconomic challenges to the conservation of the cerrado habitat.

Snakes of the World - A Catalogue of Living and Extinct Species (Hardcover): Van Wallach, Kenneth L. Williams, Jeff Boundy Snakes of the World - A Catalogue of Living and Extinct Species (Hardcover)
Van Wallach, Kenneth L. Williams, Jeff Boundy
R5,968 Discovery Miles 59 680 Ships in 12 - 17 working days

Snakes of the World: A Catalogue of Living and Extinct Species the first catalogue of its kind covers all living and fossil snakes described between 1758 and 2012, comprising 3,509 living and 274 extinct species allocated to 539 living and 112 extinct genera. Also included are 54 genera and 302 species that are dubious or invalid, resulting in recognition of 705 genera and 4,085 species.
Features:

  • Alphabetical listings by genus and species
  • Individual accounts for each genus and species
  • Detailed data on type specimens and type localities
  • All subspecies, synonyms, and proposed snake names
  • Distribution of species by country, province, and elevation
  • Distribution of fossils by country and geological periods
  • Major taxonomic references for each genus and species
  • Appendix with major references for each country
  • Complete bibliography of all references cited in text and appendix
  • Index of 12,500 primary snake names

The data on type specimens includes museum and catalog number, length and sex, and collector and date. The listed type localities include restrictions and corrections. The bibliography provides complete citations of all references cited in the text and appendix, and taxonomic comments are given in the remarks sections. This standard reference supplies a scientific, academic, and professional treatment of snakes appealing to conservationists and herpetologists as well as zoologists, naturalists, hobbyists, researchers, and teachers."

Biomarkers for Stress in Fish Embryos and Larvae (Hardcover, New): Irina Rudneva Biomarkers for Stress in Fish Embryos and Larvae (Hardcover, New)
Irina Rudneva
R5,089 Discovery Miles 50 890 Ships in 12 - 17 working days

The present work evaluates the toxic effects of some environmental stressors on fish eggs and larvae and describes the biomarker responses of fish from locations with varying levels of pollution. Development of the main groups of biomarkers is discussed. The book demonstrates general trends and specific peculiarities of biomarker induction in early fish life and their association with the animal's developmental stages. It addresses responses of fish eggs and larvae to pollution under experimental conditions and presents information obtained from in situ studies. Chapters describe xenobiotics accumulation, anoxia and hypoxia, increasing temperature, eutrophication, and other unfavorable environmental factors, including biotic and abiotic factors, and their impact on fish embryos. They also examine fluctuations in biomarker levels in fish eggs and larvae that have been impacted by climate changes and discuss possible scenarios, especially for fish population size, reproduction, growth, development and biodiversity.

Photographic and Descriptive Musculoskeletal Atlas of Chimpanzees - With Notes on the Attachments, Variations, Innervation,... Photographic and Descriptive Musculoskeletal Atlas of Chimpanzees - With Notes on the Attachments, Variations, Innervation, Function and Synonymy and Weight of the Muscles (Hardcover, New)
Rui Diogo, Josep M. Potau, Juan F. Pastor
R5,085 Discovery Miles 50 850 Ships in 12 - 17 working days

Chimpanzees, including common chimpanzees and bonobos, are our closest living relatives. This book, which is the first photographic and descriptive musculoskeletal atlas of the genus Pan, adopts the same format as the photographic atlases of Gorilla and Hylobates previously published by the same authors. These three books are part of a series of monographs that will set out the comparative and phylogenetic context of the gross anatomy and evolutionary history of the soft tissue morphology of modern humans and their closest relatives. The atlas, which includes detailed high-quality photographs of musculoskeletal structures from most anatomical regions of the body as well as textual information about the attachments, innervation, function and weight of the respective muscles, is based on dissections of up to 12 chimpanzees and on an extensive review of the literature. It provides an updated review of the anatomical variations within chimpanzees as well as an extensive list of the synonyms used in the literature. The book is designed for students, teachers and researchers studying primatology, comparative anatomy, functional morphology, zoology, and physical anthropology and to medical students, doctors and researchers who are curious about the origin, evolution, homology and variations of the musculoskeletal structures of modern humans.

Newman's Birds of Southern Africa (Paperback, Commemorative Edition): Kenneth Newman, Vanessa Newman Newman's Birds of Southern Africa (Paperback, Commemorative Edition)
Kenneth Newman, Vanessa Newman
R450 R359 Discovery Miles 3 590 Save R91 (20%) Ships in 5 - 10 working days

This edition of Newman's birds of Southern Africa at once updates a classic and pays tribute to one of the region's birding authors, the late Kenneth Newman. With the support of Faansie Peacock, the author's daughter, Vanessa Newman, has thoroughly revised, updated and expanded this new edition to reflect the latest research, both in terms of text and illustrations.

Covering all the birds recorded from the Antarctic to the Zambezi River, its range includes the birds from the southern seas as well as those of South Africa, Zimbabwe, Namibia, Botswana, Swaziland, Lesotho and Mozambique. The format of Newman's birds has been preserved and subtly modernized.

Colour coding of major bird groups and the characteristically bold cross-referencing between text and images have been retained. As always, large, accurate paintings of each species reflect the bird as it is seen in the field, and are now labeled with diagnostic features, in line with top guides round the world.

A revised introductory section takes readers step-by-step through how to use this latest edition of Newman's Birds of Southern Africa in the field.

Ripples on the River - Celebrating the Return of the Otter (Hardcover): Laurie Campbell, Anna Levin Ripples on the River - Celebrating the Return of the Otter (Hardcover)
Laurie Campbell, Anna Levin
R546 Discovery Miles 5 460 Ships in 12 - 17 working days

A photographic celebration of the return of otters to our rivers and freshwater wetlands after a drastic decline. Ripples of excitement are spreading through Europe's rivers and wetlands. A generation ago, otter watching was a wildlife highlight restricted to remote coastal areas - otter populations had been decimated over the previous century by pesticide poisoning and habitat disturbance. Now we are seeing the positive effect of determined conservation efforts over recent decades. As our waterways improve, otters are returning and spreading throughout their former habitats. One of the UK's leading natural history photographers, Laurie Campbell got to know otters while working in Scotland's Highlands and Islands, but he had never seen these elusive predators on his home beat. Then, in the early 1990s, he was delighted to find otters back on the Tweed and its tributaries, a river system he has lived close to for most of his life. The discovery launched him on a quest to create a photographic account of their lives on his home river. More than two decades later, otter numbers continue to increase, and new generations of otters have become more confident around people, sometimes appearing in broad daylight and in town centres. Laurie continues his long-standing study, still photographing the otters through the changing seasons - always with an eye on the bigger picture of the river itself and the plants and animals that share the otters' habitat. Wildlife journalist and writer Anna Levin accompanies Laurie to the riverbank and learns of his working philosophy and fieldcraft. Together they weave a wealth of information into the stories that the pictures tell. While extracts from Anna's notebooks offer a vivid glimpse of the photographer at work and the otters that enchant them both.

The Laboratory Rat (Paperback, 2nd edition): Patrick Sharp, Jason S. Villano The Laboratory Rat (Paperback, 2nd edition)
Patrick Sharp, Jason S. Villano
R1,792 Discovery Miles 17 920 Ships in 12 - 17 working days

Rats have long been recognized as a valuable biomedical research model, notably in the investigation of aging, toxicology, addiction, and common human diseases such as diabetes and hypertension. In many instances, individuals conducting such research studies are charged with important responsibilities, including animal facility management, animal husbandry, veterinary care, regulatory compliance, and various experimental methodologies. With the advent of genetic manipulations and biomedical research technological advances such as bioimaging, the versatility and usefulness of the rat as an animal model has soared. The Laboratory Rat, Second Edition captures the multiple advances in this important animal model's husbandry, veterinary care, and experimental methodology. This edition features augmented, expanded, and novel information on biology, anesthesia, analgesia, and experimental techniques benefiting personnel working with rats-from the animal care staff to the researcher and everyone in between. The book is also extremely useful to institutional animal care and use program supporters and elements, including animal care and use committees, institutional officials, occupational health and safety professionals, veterinary technicians, and veterinarians.

Shore Fishes of Hawai'i (Paperback, Revised edition): Shore Fishes of Hawai'i (Paperback, Revised edition)
R648 R542 Discovery Miles 5 420 Save R106 (16%) Ships in 10 - 15 working days

First published in 1996, this new edition of ""Shore Fishes of Hawai'i"" updates our knowledge of Hawaiian fishes and has been expanded to include 372 species. All are illustrated by the author's 475 superb color photographs. The most important characteristics to identify a fish are given as well as the size attained and its distribution. Each species account begins with the American common name, followed by the Hawaiian name (when known), and the scientific name. Because it is necessary to use some scientific terminology when giving the principal diagnostic characteristics of families or species of fishes and what they eat, a handy glossary appears at the back of the book.

The Laboratory Ferret (Paperback, New): C. Andrew Matchett, Rena Marr, Felipe M. Berard, Andrew G. Cawthon, Sonya P. Swing The Laboratory Ferret (Paperback, New)
C. Andrew Matchett, Rena Marr, Felipe M. Berard, Andrew G. Cawthon, Sonya P. Swing
R1,796 Discovery Miles 17 960 Ships in 12 - 17 working days

Laboratory animals, including ferrets, play an important role in biomedical research and advances. The humane care and management of these animals remains an ongoing concern. Published in color to provide greater clarity to the techniques and concepts discussed, The Laboratory Ferret presents basic information and common procedures in detail to provide a quick reference for investigators, technicians, and caretakers in the laboratory setting. The book presents a greater understanding of the use of the ferret in research, such as in studies on influenza. It is a valuable, handy reference for experienced individuals and for those without extensive training in working with ferrets.

Metamorphosis in Fish (Hardcover, New): Sylvie Dufour, Karine  Rousseau, B.G. Kapoor Metamorphosis in Fish (Hardcover, New)
Sylvie Dufour, Karine Rousseau, B.G. Kapoor
R3,044 Discovery Miles 30 440 Ships in 12 - 17 working days

This book gathers current data on the two types of fish metamorphoses and their endocrine controls. It will be of interest for fish biologists as well as comparative physiologists and endocrinologists. Metamorphosis is a major developmental phase characterized by morphological and physiological changes. It prepares organisms for a drastic shift in habitat and behavior. Among vertebrates, besides the well-known larval metamorphosis in amphibians, two types of metamorphosis are also described in the life cycle of some fish species. Larval metamorphosis, also called first metamorphosis or true metamorphosis, is encountered in lampreys, representative species of basal vertebrates as well as in some teleost groups, elopomorphs and pleuronectiforms, and possibly also in some other teleost species. Secondary metamorphosis occurs in juveniles of some diadromic migratory teleosts, such as salmons and eels, and compared to larval metamorphosis, involves less drastic morphological changes.

Bird Senses - How and What Birds See, Hear, Smell, Taste and Feel (Paperback): Graham R. Martin Bird Senses - How and What Birds See, Hear, Smell, Taste and Feel (Paperback)
Graham R. Martin
R924 Discovery Miles 9 240 Ships in 12 - 17 working days

Graham Martin takes the reader deep into the world of birds from a new perspective, with a 'through birds' eyes' approach to ornithology that goes beyond the traditional habitat or ecological point of view. There is a lot more to a bird's world than what it receives through its eyes. This book shows how all of the senses complement one another to provide each species with a unique suite of information that guides their daily activities. The senses of each bird have been fine-tuned by natural selection to meet the challenges of its environment and optimise its behaviour: from spotting a carcase on a hillside, to pecking at minute insects, from catching fish in murky waters, to navigating around the globe. The reader is also introduced to the challenges posed to birds by the obstacles with which humans have cluttered their worlds, from power lines to windowpanes. All of these challenges need explaining from the birds' sensory perspectives so that effective mitigations can be put in place. The book leads the reader through a wealth of diverse information presented in accessible text, with over 100 colour illustrations and photographs. The result is a highly readable and authoritative account, which will appeal to birdwatchers and other naturalists, as well as researchers in avian biology. The author has researched the senses of birds throughout a 50-year career in ornithology and sensory science. He has always attempted to understand birds from the perspective of how sensory information helps them to carry out different tasks in different environments. He has published papers on more than 60 bird species, from Albatrosses and Penguins, to Spoonbills and Kiwi. His first fascination was with owls and night time, and owls have remained special to him throughout his career. He has collaborated and travelled widely and pondered diverse sensory challenges that birds face in the conduct of different tasks in different habitats, from mudflats and murky waters, to forests, deserts and caves. In recent years he has focused on how understanding bird senses can help to reduce the very high levels of bird deaths that are caused by human artefacts; particularly, wind turbines, power lines, and gill nets.

Birds of Melanesia - Bismarcks, Solomons, Vanuatu and New Caledonia (Paperback): Guy Dutson Birds of Melanesia - Bismarcks, Solomons, Vanuatu and New Caledonia (Paperback)
Guy Dutson
R1,225 R1,096 Discovery Miles 10 960 Save R129 (11%) Ships in 12 - 17 working days

The perfect guide to the birds of Melanesia - New Caledonia, the Solomons, the Bismarcks and Vanuatu Written by leading ornithologist, Guy Dutson, this new Helm Field Guide covers the species-rich Melanesia region of the south-west Pacific, from New Caledonia and the Solomons through the Bismarcks to Vanuatu. This is an increasingly popular destination for tours and travellers, and one that has never before had complete field-guide coverage. For anyone travelling to this far-flung Pacific region, this book is an indispensable birdwatching guide. Species accounts include 650 superb illustrations allied with concise written information to aid quick and accurate identification. The cover star is the Kagu, the region's most iconic bird species and a highly sought-after endemic of New Caledonia.

Fishes of the Okavango Delta & Chobe River, Botswana (Paperback): Mike Bruton Fishes of the Okavango Delta & Chobe River, Botswana (Paperback)
Mike Bruton
R220 R176 Discovery Miles 1 760 Save R44 (20%) Ships in 5 - 10 working days

A comprehensive guide to the freshwater fishes of the Okavango Delta and Chobe River, this book offers background information on the diverse aquatic habitats of the region and on fish feeding, breeding and survival strategies. It also provides useful hints for anglers. The species entries describe each fish in detail, with key ID points and information on habits and occurrence. Each account is accompanied by a colour illustration or photograph. The book concludes with information on how best to utilise and conserve the fishes of the delta system and Chobe River.

This is the only such guide to fishes of the region and will be invaluable to local and visiting fishermen, naturalists, conservationists, as well as the many tourists who visit this spectacular African paradise.

Ethno-ornithology - Birds, Indigenous Peoples, Culture and Society (Paperback): Sonia C. Tidemann, Andrew Gosler Ethno-ornithology - Birds, Indigenous Peoples, Culture and Society (Paperback)
Sonia C. Tidemann, Andrew Gosler
R1,510 Discovery Miles 15 100 Ships in 12 - 17 working days

Indigenous knowledge that embraces ornithology takes in whole social dimensions that are inter-linked with environmental ethos, conservation and management for sustainability. In contrast, western approaches have tended to reduce knowledge to elemental and material references. This book looks at the significance of indigenous knowledge of birds and their cultural significance, and how these can assist in framing research methods of western scientists working in related areas. As well as its knowledge base, this book provides practical advice for professionals in conservation and anthropology by demonstrating the relationship between mutual respect, local participation and the building of partnerships for the resolution of joint problems. It identifies techniques that can be transferred to different regions, environments and collections, as well as practices suitable for investigation, adaptation and improvement of knowledge exchange and collection in ornithology. The authors take anthropologists and biologists who have been trained in, and largely continue to practise from, a western reductionist approach, along another path - one that presents ornithological knowledge from alternative perspectives, which can enrich the more common approaches to ecological and other studies as well as plans of management for conservation.

Sasol 300 Maklik Sigbare Voels van Suider-Afrika (Afrikaans, Paperback): Chevonne Reynolds Sasol 300 Maklik Sigbare Voels van Suider-Afrika (Afrikaans, Paperback)
Chevonne Reynolds
R290 R232 Discovery Miles 2 320 Save R58 (20%) Ships in 5 - 10 working days

Hierdie praktiese, eenvoudige gids tot van die voëls in Suider-Afrika wat die meeste gesien word, is gemik op beginner- en selfs juniorv oëlkykers. Dit is meer toeganklik as ’n volwaardige veldgids, en baie nuttig met eenvoudige teks, duidelike illustrasies en foto’s van 300 van die streeks se voëls wat die maklikste te sien is.

Vir elke voël bied die boek:

- Eenvoudige teks met onder meer ‘vind dit;’ ‘identifiseer dit’ en ‘verstaan dit’

- Illustrasies en foto’s in volkleur

- ’n Verspreidingskaart

- Die gewone Afrikaanse naam, wetenskaplike naam en gewone name in Engels en ander Afrika-tale

- Gemiddelde grootte en besonderhede oor die nes

- Omraamde teks met bykomende inligting vir sommige voëls.

Hierdie kleurryke, tersaaklike boek met bondige aanwysings vir identifisering behoort groot byval te vind by Suider-Afrikaanse voëlkykers en buitelewe-entoesiaste.

The Eagle Owl (Hardcover): Vincenzo Penteriani, Maria del Mar Delgado The Eagle Owl (Hardcover)
Vincenzo Penteriani, Maria del Mar Delgado
R2,025 Discovery Miles 20 250 Ships in 12 - 17 working days

The Eagle Owl is one of the biggest owls in the world and is considered the most eclectic in terms of habitat, nest site and diet. An undisputed top predator, it can prey on a range of mammals up to the size of foxes, and almost every species of bird, reptile, amphibian and fish, as well as a large spectrum of invertebrates. Surprisingly, it can also breed almost anywhere, laying its eggs on a variety of natural and artificial structures over an array of altitudes. Yet, despite being so adaptable, it is still a vulnerable species and has suffered widely from persecution as well as other threats including electrocution on power lines, decreasing prey availability, the effects of pesticides and pollutants, and habitat alteration.

Vincenzo Penteriani and María del Mar Delgado have studied this fascinating bird extensively across its vast Eurasian range. In this book, they detail its remarkable ecology: distribution, breeding behaviour, foraging ecology, interspecific interactions, dispersal and conservation issues are all addressed, while the final two chapters provide a remarkable insight into vocal and visual communication. Scientists have long believed that owls and other crepuscular and nocturnal birds forgo the visual signals found in other avian species, but research on the Eagle Owl has indicated otherwise.

Hummingbirds - Marvels of the Bird World (Paperback): Stan Tekiela Hummingbirds - Marvels of the Bird World (Paperback)
Stan Tekiela
R407 Discovery Miles 4 070 Ships in 12 - 17 working days

Marvel at the lives of hummingbirds with this collection of photographs and information by award-winning author and wildlife photographer Stan Tekiela. Their beauty captivates us. Their aerial acrobatics enchant us. Hummingbirds are beloved backyard visitors. They are dainty and elusive. A hummingbird sighting is a remarkable event, one worthy of remembering, cherishing, and sharing with others. Award-winning author, naturalist, and wildlife photographer Stan Tekiela believes that hummingbirds are fascinating and adorable birds. He spent more than 10 years traveling across the country to observe and photograph the hummingbird's various species, from ruby-throated to rufous. He documented every aspect of the hummingbird's life: major events such as migration and courtship, as well as everyday activities including feeding and sleeping. The result is a striking portrayal of these amazing animals in Hummingbirds. Stan's extraordinary photographs depict the backyard birds in a new, unique fashion. His fascinating text, drawn from detailed research and personal observations, provides information about every aspect of the hummingbirds' lives. Presented with headings and short paragraphs, the coffee-table book is pleasurable to browse and easy to read. "They are wondrous and beautiful," says Stan. "Watching them in action is almost magical." Unmatched by any other book on the market, Hummingbirds is a must-have for bird watchers, gardeners, and nature lovers.

Big Bat Year - A Conservation Story (Paperback): Nils Bouillard Big Bat Year - A Conservation Story (Paperback)
Nils Bouillard
R699 Discovery Miles 6 990 Ships in 12 - 17 working days

Can one undertake a round-the-world trip with conservation uppermost in the mind? This is exactly what Nils Bouillard sought to do in 2019, adapting a popular concept in birding known as the 'big year' and focusing instead on bats. This had never been done before and so became the ideal platform to spotlight countless conservation projects across the globe. In this engaging and inspiring account we follow Nils on his adventures – along the way discovering the extraordinary diversity of bat appearances and behaviour, and learning how we might help to protect these fascinating creatures. During his itinerary covering just shy of 30 countries, Nils was lucky enough to encounter no fewer than 400 bat species. But beyond the impressive list, Big Bat Year is a passionate tale about the people who are protecting bats all over the world, the amazing life of these animals and the unique and doughty journey it required to set a world record. Going off the beaten path isn’t difficult when it comes to bat watching, offering the chance for genuine exploration and even discovery – as evidenced by the important discovery of a species new to science while visiting Southeast Asia. This book will appeal to any nature enthusiast, regardless of whether you enjoy chasing new species.

Bacterial Fish Pathogens - Disease of Farmed and Wild Fish (Hardcover, 6th ed. 2016): Brian Austin, Dawn A. Austin Bacterial Fish Pathogens - Disease of Farmed and Wild Fish (Hardcover, 6th ed. 2016)
Brian Austin, Dawn A. Austin
R6,909 Discovery Miles 69 090 Ships in 12 - 17 working days

This book puts emphasis on the isolation, taxonomy, diagnosis (phenotypic, serology and molecular biology), epizootiology, pathogenicity mechanisms, and methods of disease control (by vaccination, immunostimulation, probiotics, prebiotics, plant products, and antimicrobial compounds. Co-infections, which are attributed to more than one microbial species have been discussed. Shortcomings in knowledge have been highlighted. This sixth edition is the successor to the original version, first published in 1987, and which fills the need for an up-to-date comprehensive text on the biological aspects of the bacterial taxa which cause disease in finfish. The book is primarily targeted at researcher workers, including postgraduate students, and diagnosticians. It is anticipated that the readership will include veterinary microbiologists, public health scientists and microbial ecologists.

The Biology of Blennies (Hardcover, New): Robert A. Patzner The Biology of Blennies (Hardcover, New)
Robert A. Patzner
R5,390 Discovery Miles 53 900 Ships in 12 - 17 working days

Blennies are diverse group of bony fishes found around the globe. Most blennies are small and somewhat difficult to identify, so until recently these fish did not occupy the interests of many ichthyologists and even fewer ecologists. With nearly 900 species, blennies are important members of most coastal marine communities. This book should stimulate interest in blennies among a wider array of students, and marine biologists in general.

Fish Defenses Vol. 2 - Pathogens, Parasites and Predators (Hardcover): Giacomo Zaccone Fish Defenses Vol. 2 - Pathogens, Parasites and Predators (Hardcover)
Giacomo Zaccone
R4,673 R3,945 Discovery Miles 39 450 Save R728 (16%) Ships in 12 - 17 working days

Dramatic changes in the environment, including habitat degradation and climate change, have focused attention on how individuals and populations respond to a shifting biotic and abiotic landscape. A critical step toward meeting this goal is a clear understanding of the capacity of individuals to defend themselves against threats. Changes in water quality and temperature have direct and indirect effects on fishes. Defensive responses can occur at many levels, from cellular to behavioral actions. The authors in this volume have attempted to provide a general view of the current state of knowledge of fish defenses with respect to pathogens, parasites, and predators, and to point out gaps where further study is needed.

Reproductive Biology and Phylogeny of Fishes, Vol 8B: Part B: Sperm Competion Hormones - Sperm Competition * Hormones Sexual... Reproductive Biology and Phylogeny of Fishes, Vol 8B: Part B: Sperm Competion Hormones - Sperm Competition * Hormones Sexual Selection * Reproductive Modes Fertilization * Sex Determination Parental Care * Conservation Cryopreservation * Embryology * Genetics (Hardcover)
Barrie G.M. Jamieson
R3,818 Discovery Miles 38 180 Ships in 12 - 17 working days

The animals loosely termed fish constitute more than half of all known vertebrate species. There are approximately 27,000 described living species of bony fishes (Euteleostomi = Osteichthyes), about 70 species of hagfishes and some 34 species of lampreys. Approximately 970 species are chondrichthyans, the sharks and their relatives, which were the subject of volume 3 in this series. It is perhaps because fishes live in a buoyant medium, whether it be fresh or sea water, that they show a diversity in body shapes that is unparalleled by other vertebrates. There is also a unique diversity in the modes of reproduction, whether by external or internal fertilization, and this, with the morphology and fine structure of the reproductive system and its components, is the subject of Part A. Part B deals with complementary topics: testes, sperm, and sperm competition; endocrinology of reproduction; pheromones and reproduction; copulatory structures: taxonomic overview and the potential for sexual selection; sexual selection: signaling and courtship; adaptation and evolution of reproductive mode in copulating cottoid species; fertilization; sex determination; parental care; reproduction in relation to conservation and exploitation of marine fishes; Cryopreservation of Gametes; Embryogenesis and Development; and Molecular Genetics of Development.

Atlas of Fish Histology (Hardcover): Franck Genten, Eddy Terwinghe, Andre Danguy Atlas of Fish Histology (Hardcover)
Franck Genten, Eddy Terwinghe, Andre Danguy
R4,942 Discovery Miles 49 420 Ships in 12 - 17 working days

Histology is the discipline of biology that involves the microscopic examination of thin stained tissue sections in order to study their structure and correlate it with function. Histology can detect signs of disease not easily recognized on gross examination and can therefore be of interest in fish health supervision. The aim of this volume is to present a general reference guide providing an extensive set of histological images of fishes (about 40 species). This atlas is designed for use by students and researchers, biologists, ichthyologists, fish farmers, veterinarians working in fisheries and, of course, by comparative histologists who want to learn more about the fish world.

Fish Reproduction (Hardcover, New): Maria J. Rocha Fish Reproduction (Hardcover, New)
Maria J. Rocha
R5,442 Discovery Miles 54 420 Ships in 12 - 17 working days

With the decline in world fish stocks, our knowledge of fish reproduction has become fundamental. Reproduction is an essential commitment to future generation. It is also a continuous development process throughout ontogeny, requiring energetic, ecological, physiological, anatomical, biochemical and endrocrinological adaptations. The first chapters highlight important issues affecting fish normal ways of reproductive development; details would focus on species living in opposite environments, such as tropical and polar fishes; far related, as teleosts and cartilaginous fishes; and finally, fish having different reproductive strategies. Thereafter, since many fishes live in detrimental environments, mainly induced by the continuous input of xenobiotic substances into waterways, the authors found it highly pertinent to include this topic. Herein, the authors fix their attention on the factors and mechanisms that may well affect reproductionrelated hormonal systems as also on known consequences for fish living i

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