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Britain hosts a diversity of freshwater environments, from torrential hill streams and lowland rivers to lakes and reservoirs, ponds and canals, and ditches and estuaries. "Britain's Freshwater Fishes" covers more than 50 species of freshwater and brackish fish found in these waters. This beautifully illustrated guide features in-the-hand and in-the-water photographs throughout, and accessible and informative overviews of topics such as fish biology and life cycles. Detailed species accounts describe key identification features, with information on status, size and weight, habitat, ecology, and conservation. The book also includes a glossary and suggestions for further reading.
This easy-to-use field guide will be invaluable to anyone interested in Britain's freshwater fish life, from naturalists and academics to students and anglers.Covers all of Britain's freshwater fishes Features beautiful photos throughout Includes detailed information on more than 50 species, the places they inhabit, and their roles in Britain's ecosystems Attractively designed and easy to use
Hans Thewissen, a leading researcher in the field of whale paleontology and anatomy, gives a sweeping first-person account of the discoveries that brought to light the early fossil record of whales. As evidenced in the record, whales evolved from herbivorous forest-dwelling ancestors that resembled tiny deer to carnivorous monsters stalking lakes and rivers and to serpentlike denizens of the coast. Thewissen reports on his discoveries in the wilds of India and Pakistan, weaving a narrative that reveals the day-to-day adventures of fossil collection, enriching it with local flavors from South Asian culture and society. The reader senses the excitement of the digs as well as the rigors faced by scientific researchers, for whom each new insight gives rise to even more questions, and for whom at times the logistics of just staying alive may trump all science. In his search for an understanding of how modern whales live their lives, Thewissen also journeys to Japan and Alaska to study whales and wild dolphins. He finds answers to his questions about fossils by studying the anatomy of otters and porpoises and examining whale embryos under the microscope. In the book's final chapter, Thewissen argues for approaching whale evolution with the most powerful tools we have and for combining all the fields of science in pursuit of knowledge.
In a world all too familiar with environmental disasters, Horst Kornberger argues that the bee crisis is a more significant problem than deforestation, pollution and global warming put together, as it points to the causes behind all these. Global Hive is a rallying cry for a new understanding of world ecology. More than a study of bees, this book offers both an entirely new way of thinking about the bee crisis and its causes, and a way to use the crisis to explore wider social and ecological issues. Kornberger challenges the dominant scientific worldview that reduces everything to minute detail and fails to see the larger holistic picture. He argues that we urgently need to start thinking about ecology in a different way -- by developing a new science which draws on empathy and imagination -- if we want to mend our relationship with the natural world. From this perspective, the worldwide threat of the bee crisis becomes a starting point for global change. Global Hive is a thought-provoking treatise on what colony collapse teaches us about our society, our choices and how we can build a more sustainable world.
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.
"Adaptive Strategies and Population of Northern Grouse "was first published in 1988. Minnesota Archive Editions uses digital technology to make long-unavailable books once again accessible, and are published unaltered from the original University of Minnesota Press editions.
The first volume contains eleven studies of eight grouse species; the second contains primarily the work of Bergerud, which utilizes the evidence in the first volume to advance theories of behavior and offer new demographic insights.
This second volume contains primarily the work of Bergerud, which utilizes the evidence in the first volume to advance theories of behavior and offer new demographic insights.
Game fishes, particularly those of the salmon family, are critical indicators of the health of those ecosystems upon which we now know we are dependent. As the authors of this important environmental book argue, "Our game fishes [then] serve as more than merely an indicator of healthy waters. Instead, they can be regarded as iconic of the ecosystems in which they occur." Moreover, "the quality requirements of different types of fish population have formed the backbone of a great deal of water management in the UK, Europe and the USA over several decades." With sections on how and why Britain's game fishes are under pressure from changes in land use, agriculture, housing needs, etc. - and their concomitant pollution effects - this book assesses how our knowledge of these game fishes reflect the changing values we place on our surrounding wildlife.
Adopting a multidisciplinary approach with input from physicists,
researchers and medical professionals, this is the first book to
introduce many different technical approaches for the visualization
of microcirculation, including laser Doppler and laser speckle,
optical coherence tomography and photo-acoustic tomography. It
covers everything from basic research to medical applications,
providing the technical details while also outlining the respective
strengths and weaknesses of each imaging technique.
This book uses an innovative concept to allow easy retrieval and identification of species. It includes a systematic classification and detailed description for each fish and describes points of interest and differences between similar species. Updated with corrections 2018.
The first edition of this book rapidly topped the list of bestsellers and has continued to sell well, turning up in places as far away as German schlosses, Brisbane bedsides and Canadian log cabins! This latest edition brings the story of biting midges up to date with new material on the Highland midge, its biology and why it bites. Written in a highly readable but informed way, it describes how and why the midge plays such a dominant role in the ecology and human culture of the Highlands, not least in keeping the worst of human depredations under control. Armed with this book, you should be able to enjoy the splendours of the Highland summer without quite so many bites! Illustrated with cartoons by BAX.
What's that snake? offers an easy introduction to snake identification for the beginner. Snakes of the region are grouped according to family likeness, common behaviour or appearance, and the reader is encouraged to recognize the characteristics of the group before focusing on individual species.
Interesting fact boxes complement the text, and striking colour photographs illustrate the characteristics of snakes in each group. An introduction covers common behaviour and habitats of southern African snakes, and gives advice on where and how to find them.
Different types of venom are discussed, as are basic first aid measures for treating victims of snakebite.
Leaf beetles are one of the largest groups of beetles, with tens of thousands of species worldwide and around 280 in Britain. They belong mainly to the family Chrysomelidae, but also to two small closely related families, the Megalopodidae and Orsodacnidae. This book provides a comprehensive overview with detailed and accessible coverage of the natural history, ecology and biology of leaf beetles. Topics cover the life history of leaf beetles, biology, their environment, natural enemies and interactions with humans. There is a thorough discussion about identification of British species, including detail on the juvenile stages (eggs, larvae, pupae) and a concise key to adults. A chapter is dedicated to study techniques and materials. The book is illustrated throughout with colour photographs and line drawings. Leaf beetles is a vital resource for entomology students and educators, naturalists, nature conservationists, those involved in agriculture, horticulture and the management of stored produce.
Watter slang is dit? is 'n maklike inleiding wat die beginner sal help om slange uit te ken.
Slange van die streek word volgens familietrekke, gemeenskaplike gedrag of voorkoms gegroepeer, en die leser word aangemoedig om die kenmerke van die groep te herken voordat op individuele spesies gefokus word.
Kassies met interessante feite vul die teks aan en treffende kleurfoto's illustreer die kenmerke van slange in elke groep. '
n Insiggewende inleiding dek die algemene gedrag en habitats van Suider-Afrika se slange en gee wenke oor waar en hoe om hulle op te spoor.
Die verskillende gifsoorte word bespreek, asook basiese noodhulpmaatreels vir die behandeling van slagoffers van slangbyt.
Reflecting the expertise and perspective of five leading mammalogists, the fourth edition of Mammalogy: Adaptation, Diversity, Ecology significantly updates taxonomy, includes a new chapter on mammalian molecular phylogenetics, and highlights several recently described species. There are close to 5,500 species in the class Mammalia, including the blue whale-the largest animal that has ever lived-and the pygmy shrew, which weighs little more than a penny. The functional diversity of mammals has allowed them to play critical roles in every ecosystem, whether marine, freshwater, alpine, tundra, forest, or desert. Many mammal species are critically endangered and present complex conservation and management challenges. This book touches on those challenges, which are often precipitated by overharvesting and habitat loss, as well as emerging threats, such as the impact of wind turbines and white nose syndrome on bats and chronic wasting disease on deer. Among the updates and additions to the fourth edition of Mammalogy are numerous new photos, figures, and cladograms, over 4,200 references, as well as * A completely new chapter on mammalian phylogeny and genomics* Current taxonomy-including major changes to orders, suborders, and superfamilies of bats and rodents* An explanation of the recent inclusion of whales with terrestrial even-toed ungulates* Updates on mammalian structural, functional adaptations, and fossil history* recent advances in our understanding of phylogeny, biogeography, social behavior, and ecology* A discussion of two new orders and thirteen newly recognized extant families * Reflections on the implications of climate change for mammals* Thorough examinations of several recently described species, including Durrell's vontsira (Salanoia durrelli) and the Laotian rock rat (Laonastes aenigmamus)* An explanation of mammalian biomechanics, such as that seen in lunge feeding of baleen whales* Breakout boxes on unique aspects of mammals, including the syntax of bat songs, singing mice, and why there are no green mammals (unless we count algae-covered sloths) Maintaining the accessible, readable style for which Feldhamer and his coauthors are well known, this new edition of Mammalogy is the authoritative textbook on this amazingly diverse class of vertebrates.
For millennia, humans have regarded snakes with an exceptional combination of fascination and revulsion. Some people recoil in fear at the very suggestion of these creatures, while others happily keep them as pets. Snakes can convey both beauty and menace in a single tongue flick and so these creatures have held a special place in our cultures. Yet, for as many meanings that we attribute to snakes--from fertility and birth to sin and death--the real-life species represent an even wider array of wonders. The Book of Snakes presents 600 species of snakes from around the world, covering nearly one in six of all snake species. It will bring greater understanding of a group of reptiles that have existed for more than 160 million years, and that now inhabit every continent except Antarctica, as well as two of the great oceans. This volume pairs spectacular photos with easy-to-digest text. It is the first book on these creatures that combines a broad, worldwide sample with full-color, life-size accounts. Entries include close-ups of the snake's head and a section of the snake at actual size. The detailed images allow readers to examine the intricate scale patterns and rainbow of colors as well as special features like a cobra's hood or a rattlesnake's rattle. The text is written for laypeople and includes a glossary of frequently used terms. Herpetologists and herpetoculturists alike will delight in this collection, and even those with a more cautious stance on snakes will find themselves drawn in by the wild diversity of the suborder Serpentes.
Until a few thousand years ago, creatures-"megafauna"-that could have been from a sci-fi thriller roamed the earth. With a handful of exceptions, all are now gone. Ross MacPhee explores the question of what caused the disappearance of these prehistoric behemoths, examining the extinction theories, weighing the evidence and presenting his conclusions. He comments on how past extinctions can shed light on future losses and on the possibility of bringing back extinct species through genetic engineering. Gorgeous four-colour illustrations bring these megabeasts back to life in vivid detail.
A beautifully illustrated exploration of the science behind the awe-inspiring giants of past and present
The colossal plants and animals of our world-dinosaurs, whales, and even trees-are a source of unending fascination, and their sheer scale can be truly impressive. Size is integral to the way that organisms experience the world: a puddle that a human being would step over without thinking is an entire world to thousands of microscopic rotifers. But why are creatures the size that they are? Why aren't bugs the size of elephants, or whales the size of goldfish?
In this lavishly illustrated new book, biologist Graeme Ruxton explains how and why nature's giants came to be so big-for example, how decreased oxygen levels limited the size of insects and how island isolation allowed small-bodied animals to evolve larger body sizes. Through a diverse array of examples, from huge butterflies to giant squid, Ruxton explores the physics, biology, and evolutionary drivers behind organism size, showing what it's like to live large.
The bestselling author of Dog Sense and Cat Sense explains why living with animals has always been a fundamental aspect of being human In this highly original and hugely enjoyable work, John Bradshaw examines modern humans' often contradictory relationship with the animal world. Why, despite the apparent irrationality of keeping pets, do half of today's American households, and almost that figure in the UK, have at least one pet (triple the rate of the 1970s)? Then again, why do we care for some animals in our homes, and designate others only as a source of food? Through these and many other questions, one of the world's foremost anthrozoology experts shows that our relationship with animals is nothing less than an intrinsic part of human nature. An affinity for animals drove our evolution and now, without animals around us, we risk losing an essential part of ourselves.
Menagerie is the story of the panoply of exotic animals that were brought into Britain from time immemorial until the foundation of the London Zoo - a tale replete with the extravagant, the eccentric, and - on occasion - the downright bizarre. From Henry III's elephant at the Tower, to George IV's love affair with Britain's first giraffe and Lady Castlereagh's recalcitrant ostriches, Caroline Grigson's tour through the centuries amounts to the first detailed history of exotic animals in Britain. On the way we encounter a host of fascinating and outlandish creatures, including the first peacocks and popinjays, Thomas More's monkey, James I's cassowaries in St James's Park, and Lord Clive's zebra - which refused to mate with a donkey, until the donkey was painted with stripes. But this is not just the story of the animals themselves. It also the story of all those who came into contact with them: the people who owned them, the merchants who bought and sold them, the seamen who carried them to our shores, the naturalists who wrote about them, the artists who painted them, the itinerant showmen who worked with them, the collectors who collected them. And last but not least, it is about all those who simply came to see and wonder at them, from kings, queens, and nobles to ordinary men, women, and children, often impelled by no more than simple curiosity and a craving for novelty.
Rising from sandbars on the Platte River with clarion calls, the sandhill crane ("Grus canadensis") feels the urgency of spring migration. Elegant, noble, and spiritual, the sandhill crane is one of the most ancient of all birds. More than a half-million strong, flying in squadrons, these majestic creatures point northward to their Arctic and sub-Arctic breeding ranges. Theirs is an epic story of endurance through the ages. With 153 stunning color photographs, "On Ancient Wings" presents sandhill cranes in their wild but increasingly compromised habitats today. Over the course of five years, Michael Forsberg documented the tall gray birds in habitats ranging from the Alaskan tundra, to the arid High Plains, from Cuban nature preserves to suburban backyards. With an eye for beauty and an uncommon persistence, the author documents the cranes' challenges to adapt and survive in a rapidly changing natural world. Forsberg argues that humankind, for its own sake, should secure the cranes' place in the future. "On Ancient Wings" intertwines the lives of cranes, people, and their common places to tell an ancient story at a time when sandhill cranes and their wetland and grassland habitats face daunting prospects.
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