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Books > Earth & environment > The environment > Conservation of the environment > Conservation of wildlife & habitats > General

Ecology, Biodiversity and Conservation - Invertebrate Conservation and Agricultural Ecosystems (Hardcover): T.R. New Ecology, Biodiversity and Conservation - Invertebrate Conservation and Agricultural Ecosystems (Hardcover)
T.R. New
R2,753 R2,502 Discovery Miles 25 020 Save R251 (9%) Shipped within 7 - 12 working days

Invertebrate Conservation and Agricultural Ecosystems explores the diverse interests of invertebrate conservation and agricultural production. It is both an introduction to invertebrate conservation biology for agriculturists and an introduction to crop protection for conservation biologists, demonstrating how these two disparate fields may draw on each other for greater collective benefit. It draws on recent literature to show how invertebrate conservation in highly altered landscapes may be promoted and enhanced. The book deals with problems of, and approaches to, invertebrate conservation in highly managed agricultural ecosystems, and how biodiversity may be promoted without compromising agricultural production. It draws attention to the importance of invertebrates in agricultural systems and their role in ecosystem functions.

State of the Wild 2010-2011 - A Global Portrait (Paperback, 2nd Ed.): Wildlife Conservation Society State of the Wild 2010-2011 - A Global Portrait (Paperback, 2nd Ed.)
Wildlife Conservation Society
R808 R700 Discovery Miles 7 000 Save R108 (13%) Shipped within 7 - 12 working days

This title come with a special section on 'Wildlife Conservation in a Time of War'. "State of the Wild" is a biennial series that brings together international conservation experts and writers to discuss emerging issues in the conservation of wildlife and wild places. Each volume in the series combines evocative writings with a fascinating tour of conservation news highlights and vital statistics from around the world. One-third of each volume focuses on a topic of particular concern to conservationists. This 2010-2011 edition considers how destabilization and war affect wildlife and wild places. Only recently has the international community begun to appreciate the cost of conflict - simmering tension, war, and reconstruction - on the natural world. This special section examines the role that conservation plays in the context of human conflict considering issues such as, Can the work of saving wildlife and wild places help ameliorate tensions? Can conservation deepen political understanding? Can conservation help in post-conflict situations? The book's twenty essays are intermixed with poetry and beautiful photos that capture our connection to the wild. "State of the Wild's" accessible approach educates a wide range of audiences while at the same time presenting leading-edge scientific overviews of hot topics in conservation. Uniquely structured with magazine like features up front, conservation news in the middle, and essays from eminent authors and experienced scientists throughout, this landmark series is an essential addition to any environmental bookshelf.

The Year Yellowstone Burned - A Twenty-Five-Year Perspective (Paperback): Jeff Henry The Year Yellowstone Burned - A Twenty-Five-Year Perspective (Paperback)
Jeff Henry; Foreword by Bob Barbee
R413 R350 Discovery Miles 3 500 Save R63 (15%) Shipped within 7 - 12 working days

The Yellowstone fires of 1988 consumed nearly 800,000 acres-36 percent of the park. In the years following, spectacular wildflowers rose from the ashes and trees rapidly reclaimed the landscape. In this twenty-five-year look back at the fires, author and photographer Jeff Henry recalls not only the summer of 1988, when he witnessed and photographed nearly every aspect of the fires, but also the years since as nature healed the charred landscape. A beautiful book that depicts nature as simultaneously malevolent and beneficent, The Year Yellowstone Burned demonstrates the resilience of one of our continent's most dynamic ecosystems.

Wetland Techniques - Volume 2: Organisms (Paperback, 2013 ed.): James T. Anderson, Craig A. Davis Wetland Techniques - Volume 2: Organisms (Paperback, 2013 ed.)
James T. Anderson, Craig A. Davis
R2,530 R1,996 Discovery Miles 19 960 Save R534 (21%) Shipped within 7 - 12 working days

Wetlands serve many important functions and provide numerous ecological services such as clean water, wildlife habitat, nutrient reduction, and flood control. Wetland science is a relatively young discipline but is a rapidly growing field due to an enhanced understanding of the importance of wetlands and the numerous laws and policies that have been developed to protect these areas. This growth is demonstrated by the creation and growth of the Society of Wetland Scientists which was formed in 1980 and now has a membership of 3,500 people. It is also illustrated by the existence of 2 journals ("Wetlands" and "Wetlands Ecology and Management") devoted entirely to wetlands.

To date there has been no practical, comprehensive techniques book centered on wetlands, and written for wetland researchers, students, and managers. This techniques book aims to fill that gap. It is designed to provide an overview of the various methods that have been used or developed by researchers and practitioners to study, monitor, manage, or create wetlands. Including many methods usually found only in the peer-reviewed or gray literature, this 3-volume set fills a major niche for all professionals dealing with wetlands."

Farmland Birds Across the World (Hardcover): Wouter van der Weijden, Adriaan Guldemond, Paul Terwan Farmland Birds Across the World (Hardcover)
Wouter van der Weijden, Adriaan Guldemond, Paul Terwan
R505 R473 Discovery Miles 4 730 Save R32 (6%) Shipped within 7 - 12 working days

Farmlands, collectively, form the largest habitat on the globe, supporting a huge variety of birds. But a global review of this birdlife has never before been published. The book has been written by seven experts in biology and agriculture and compiled by the Dutch Centre for Agriculture and Environment (CLM). It covers all the major farmland habitats of the world, from grasslands to rice fields, and from arable land to coffee cultivations. The book details more than 500 species of farmland birds, 160 of which are pictured. It takes the reader on a journey; from common birds, such as the cattle egret which is found across the globe, to such rarities as the crested ibis in Chinese rice fields, the crimson rosella in Australian orchards, and the burrowing owl of North American grasslands. The diversity and beauty of farmland birds is overwhelming. Much of this birdlife, however, is in decline or under threat. The book identifies the many challenges that farmland birds face, such as intensification and greater mechanization of farming. It also explores the opportunities available for protecting and supporting farmland birds, and highlights actions that can and have been taken. Richly illustrated, "Farmland Birds across the World" is aimed at a wide audience: the conservation and farming communities, birdwatchers, the food industry, policy makers, and other people interested in sustainable farming, food and birds.

Giona, Vardoussia, Parnassos 2009 (Paperback): Penelope Matsouka Giona, Vardoussia, Parnassos 2009 (Paperback)
Penelope Matsouka
R329 Discovery Miles 3 290 Shipped within 7 - 12 working days

The new guide by Anavasi is the first of a new series called "Green Guides". These guides will focus on the mountain regions of Greece. The aim of this small guide is to point out the beauty and unique qualities of the three mountains: Giona, Vardoussia and Parnassos. With photos and texts on the flora and fauna, details on routes that go through the villages and monuments and a wide range of trekking routes with maps and descriptions, winter and summer climbs, routes for cross country skiing. Finally, the guide also contains information on the Parnassos ski centers and the best places for paragliding.

Mutualism (Paperback): Judith L. Bronstein Mutualism (Paperback)
Judith L. Bronstein
R994 Discovery Miles 9 940 Shipped within 7 - 12 working days

Mutualisms, interactions between two species that benefit both of them, have long captured the public imagination. Their influence transcends levels of biological organization from cells to populations, communities, and ecosystems. Mutualistic symbioses were crucial to the origin of eukaryotic cells, and perhaps to the invasion of land. Mutualisms occur in every terrestrial and aquatic habitat; indeed, ecologists now believe that almost every species on Earth is involved directly or indirectly in one or more of these interactions. Mutualisms are essential to the reproduction and survival of virtually all organisms, as well as to nutrient cycles in ecosystems. Furthermore, the key ecosystem services that mutualists provide mean that they are increasingly being considered as conservation priorities, ironically at the same time as the acute risks to their ecological and evolutionary persistence are increasingly being identified. This volume, the first general work on mutualism to appear in almost thirty years, provides a detailed and conceptually-oriented overview of the subject. Focusing on a range of ecological and evolutionary aspects over different scales (from individual to ecosystem), the chapters in this book provide expert coverage of our current understanding of mutualism whilst highlighting the most important questions that remain to be answered. In bringing together a diverse team of expert contributors, this novel text captures the excitement of a dynamic field that will help to define its future research agenda.

The Handbook of Plant Biosecurity - Principles and Practices for the Identification, Containment and Control of Organisms that... The Handbook of Plant Biosecurity - Principles and Practices for the Identification, Containment and Control of Organisms that Threaten Agriculture and the Environment Globally (Hardcover, 2014 ed.)
Gordon Gordh, Simon McKirdy
R5,095 R3,909 Discovery Miles 39 090 Save R1,186 (23%) Shipped within 7 - 12 working days

The Handbook identifies all aspects of Regulatory Plant Biosecurity and discusses them from the standpoint of preventing the international movement of plant pests, diseases and weeds that negatively impact production agriculture, natural plant-resources and agricultural commerce.

The The Story of India's Unicorns (Hardcover): A Divyabhanusinh, Asok Kumar Das, Shibani Bose The The Story of India's Unicorns (Hardcover)
A Divyabhanusinh, Asok Kumar Das, Shibani Bose
R713 R540 Discovery Miles 5 400 Save R173 (24%) Shipped within 7 - 12 working days

India is blessed with a unique variety of fauna, not to mention other forms of life. If one were to look at its mega fauna alone, the country boasts of lion, tiger, leopard, elephant, bison, wild buffalo and rhinoceros-more specifically the Greater One-horned Rhinoceros, India's unicorn. Two books have preceded this one in "The Story" series: one on Asia's lions and the other on Asia's elephants. The Story of India's Unicorn, written by three multidisciplinary experts in the fields of natural history, art history and archaeology, is an attempt at recording the history of the animal from prehistoric times to the present, as was done in the other two books. Lucidly written and aptly illustrated, it will be of interest to the historian, the art historian, the wildlife enthusiast and the general reader. The natural habitats of all species of fauna and flora are under threat as a result of the present and ever-increasing pressure of the growing human population which stands today at 1.32 billion in India. The Greater One-horned Rhinoceros is endemic to the Indian subcontinent and it is entirely up to India, Nepal and possibly Bhutan to ensure that this species survives for all time. While the rhino at present enjoys a "return" of sorts in its remaining strongholds, it is hoped that this book will generate awareness among a wider audience of the need for continuing and proactive protection of the animal and its habitat.

Historical Perspectives of Fisheries Exploitation in the Indo-Pacific (Hardcover, 2014): Joseph Christensen, Malcolm Tull Historical Perspectives of Fisheries Exploitation in the Indo-Pacific (Hardcover, 2014)
Joseph Christensen, Malcolm Tull
R2,439 R2,156 Discovery Miles 21 560 Save R283 (12%) Shipped within 7 - 12 working days

The waters of the Indo-Pacific were at the centre of the global expansion of marine capture fisheries in the twentieth century, yet surprisingly little has been written about this subject from a historical perspective. This book, the first major study of the history of fishing in Asia and Oceania, presents the case-studies completed through the History of Marine Animal Populations (HMAP) initiative. It examines the marine environmental history and historical marine ecology of the Indo-Pacific during a period that witnessed the dramatic escalation of industrial fishing in these seas.

Economics of Wildfire Management - The Development and Application of Suppression Expenditure Models (Paperback, 2014 ed.):... Economics of Wildfire Management - The Development and Application of Suppression Expenditure Models (Paperback, 2014 ed.)
Michael S Hand, Krista M. Gebert, Jingjing Liang, David E. Calkin, Matthew P. Thompson, …
R1,309 R970 Discovery Miles 9 700 Save R339 (26%) Shipped within 7 - 12 working days

In this age of climatic and financial uncertainty, it becomes increasingly important to balance the cost, benefits and risk of wildfire management. In the United States, increased wildland fire activity over the last 15 years has resulted in drastic damage and loss of life. An associated rapid increase in fire management costs has consumed higher portions of budgets of public entities involved in wildfire management, challenging their ability to fulfill other responsibilities. Increased public scrutiny highlights the need to improve wildland fire management for cost effectiveness. This book closely examines the development of basic wildfire suppression cost models for the United States and their application to a wide range of settings from informing incident decision making to programmatic review. The book also explores emerging trends in suppression costs and introduces new spatially explicit cost models to account for characteristics of the burned landscape. Finally, it discusses how emerging risk assessment tools can be better informed by integrating management cost models with wildfire simulation models and values at risk. Economics of Wildfire Management is intended for practitioners as a reference guide. Advanced-level students and researchers will also find the book invaluable.

A Complete Guide to Antarctic Wildlife (Hardcover): Hadoram Shirihai A Complete Guide to Antarctic Wildlife (Hardcover)
Hadoram Shirihai
R1,205 R797 Discovery Miles 7 970 Save R408 (34%) Shipped within 7 - 12 working days

This spectacularly illustrated book is the only complete guide to the wildlife and natural history of the vast and beautiful Antarctic region. Covering the Antarctic continent, the southern ocean, and the subantarctic islands, this guide illustrates all of the region's breeding birds and marine mammals with stunning colour photographs. In addition to the colour plates, it features distribution maps and up-to-date species accounts expertly detailing abundance, seasonal status, and conservation prospects. The volume also covers numerous nonbreeding species, migrants, and vagrants. Regional chapters describe all of the subantarctic islands, in addition to most regularly visited sites in Antarctica, and are accompanied by maps of each area and photographs of each locale. These chapters present detailed information on geography, climate, geology, general ecology, and flora. They also address conservation efforts - past, present, and planned. The book concludes with practical information about visiting the area, including details on the best-available landing sites and notes on seasonal weather conditions. This is an indispensable companion for a trip far south, as well as an informative volume for anyone interested in the Antarctic region's remarkable, occasionally strange, and frequently beautiful animals.

Urban Raptors - Ecology and Conservation of Birds of Prey in Cities (Hardcover, None ed.): Clint Boal Urban Raptors - Ecology and Conservation of Birds of Prey in Cities (Hardcover, None ed.)
Clint Boal
R1,346 R1,144 Discovery Miles 11 440 Save R202 (15%) Shipped within 7 - 12 working days

Raptors are an unusual success story of wildness thriving in the heart of our cities--they have developed substantial populations around the world in recent decades. But there are deeper issues around how these birds make their urban homes. New research provides insight into the role of raptors as vital members of the urban ecosystem and future opportunities for protection, management, and environmental education. A cutting-edge synthesis of over two decades of scientific research, Urban Raptors is the first book to offer a complete overview of urban ecosystems in the context of bird-of-prey ecology and conservation. This comprehensive volume examines urban environments, explains why some species adapt to urban areas but others do not, and introduces modern research tools to help in the study of urban raptors. It also delves into climate change adaptation, human-wildlife conflict, and the unique risks birds of prey face in urban areas before concluding with real-world wildlife management case studies and suggestions for future research and conservation efforts. Boal and Dykstra have compiled the go-to single source of information on urban birds of prey. Among researchers, urban green space planners, wildlife management agencies, birders, and informed citizens alike, Urban Raptors will foster a greater understanding of birds of prey and an increased willingness to accommodate them as important members, not intruders, of our cities.

Cloning Wild Life - Zoos, Captivity, and the Future of Endangered Animals (Hardcover, New): Carrie Friese Cloning Wild Life - Zoos, Captivity, and the Future of Endangered Animals (Hardcover, New)
Carrie Friese
R1,626 R1,324 Discovery Miles 13 240 Save R302 (19%) Shipped within 7 - 12 working days

"In this brilliant study of cloned wild life, Carrie Friese adds a whole new dimension to the study of reproduction, illustrating vividly and persuasively how social and biological reproduction are inextricably bound together, and why this matters."--Sarah Franklin, author ofDolly Mixtures: the Remaking of GenealogyThe natural world is marked by an ever-increasing loss of varied habitats, a growing number of species extinctions, and a full range of new kinds of dilemmas posed by global warming. At the same time, humans are also working to actively shape this natural world through contemporary bioscience and biotechnology. InCloning Wild Life, Carrie Friese posits that cloned endangered animals in zoos sit at the apex of these two trends, as humans seek a scientific solution to environmental crisis. Often fraught with controversy, cloning technologies, Friese argues, significantly affect our conceptualizations of and engagements with wildlife and nature.By studying animals at different locations, Friese explores the human practices surrounding the cloning of endangered animals. She visits zoos--the San Diego Zoological Park, the Audubon Center in New Orleans, and the Zoological Society of London--to see cloning and related practices in action, as well as attending academic and medical conferences and interviewing scientists, conservationists, and zookeepers involved in cloning. Ultimately, she concludes that the act of recalibrating nature through science is what most disturbs us about cloning animals in captivity, revealing that debates over cloning become, in the end, a site of political struggle between different human groups. Moreover, Friese explores the implications of the social role that animals at the zoo play in the first place--how they are viewed, consumed, and used by humans for our own needs. A unique study uniting sociology and the study of science and technology, Cloning Wild Lifedemonstrates just how much bioscience reproduces and changes our ideas about the meaning of life itself.Carrie Friese is Lecturer in Sociology at the London School of Economics and Political Science.

Ecological Impacts of Tsunamis on Coastal Ecosystems - Lessons from the Great East Japan Earthquake (Hardcover, 1st ed. 2016):... Ecological Impacts of Tsunamis on Coastal Ecosystems - Lessons from the Great East Japan Earthquake (Hardcover, 1st ed. 2016)
Jotaro Urabe, Tohru Nakashizuka
R3,988 R3,182 Discovery Miles 31 820 Save R806 (20%) Shipped within 7 - 12 working days

This book focuses on the ecological impacts of the Great East Japan Earthquake and resulting tsunamis, a rare and extremely large disturbance event, on various coastal ecosystems in Japan's Tohoku area, including sub-tidal and tidal animal communities, sand dune plant communities and coastal forests. The studies presented here describe not only how species and populations in these ecosystems were disturbed by the earthquake and tsunamis, but also how the communities have responded to the event and what types of anthropogenic activities will hamper their recovery processes. In the ecological sciences, it is often argued that large disturbances are critical to shaping community structures and biodiversity in local and regional habitats. However, our understanding of these roles remains limited, simply because there have been few opportunities to examine and address the ecological impacts of large disturbance events. The scale of the 2011 Great East Japan Earthquake makes it one of the largest hazards in the past 1000 years. Thus, this book provides a unique opportunity to advance our understanding of the ecological impacts of large and rare disturbances and the implications of these events in the conservation and management of coastal ecosystems. Following an outline of the Great East Japan Earthquake, the book's content is divided into two major parts. Part I reports on studies examining the ecological impacts of the tsunamis on sub-tidal and tidal animal communities, while Part II focuses on terrestrial plant communities in Japan's coastal Tohoku area. This book will benefit all scientists interested in the ecological impacts of large disturbances on aquatic and terrestrial ecosystems in general, and especially those who are interested in the ecological management of coastal ecosystems and Ecosystem based Disaster Risk Reduction (EcoDRR).

King of Fish - The Thousand-Year Run of Salmon (Paperback, New Ed): David Montgomery King of Fish - The Thousand-Year Run of Salmon (Paperback, New Ed)
David Montgomery
R335 R276 Discovery Miles 2 760 Save R59 (18%) Shipped within 7 - 11 working days

The salmon that symbolize the Pacific Northwest's natural splendor are now threatened with extinction across much of their ancestral range. In studying the natural and human forces that shape the rivers and mountains of that region, geologist David Montgomery has learned to see the evolution and near-extinction of the salmon as a story of changing landscapes. Montgomery shows how a succession of historical experiences -first in the United Kingdom, then in New England, and now in the Pacific Northwest -repeat a disheartening story in which overfishing and sweeping changes to rivers and seas render the world inhospitable to salmon. In "King of Fish," Montgomery traces the human impacts on salmon over the last thousand years and examines the implications both for salmon recovery efforts and for the more general problem of human impacts on the natural world. What does it say for the long-term prospects of the world's many endangered species if one of the most prosperous regions of the richest country on earth cannot accommodate its icon species? All too aware of the possible bleak outcome for the salmon, "King of Fish"concludes with provocative recommendations for reinventing the ways in which we make environmental decisions about land, water, and fish.

The Nature of German Imperialism - Conservation and the Politics of Wildlife in Colonial East Africa (Hardcover): Bernhard... The Nature of German Imperialism - Conservation and the Politics of Wildlife in Colonial East Africa (Hardcover)
Bernhard Gissibl
R2,378 R2,104 Discovery Miles 21 040 Save R274 (12%) Shipped within 7 - 12 working days

Today, the East African state of Tanzania is renowned for wildlife preserves such as the Serengeti National Park, the Ngorongoro Conservation Area, and the Selous Game Reserve. Yet few know that most of these initiatives emerged from decades of German colonial rule. This book gives the first full account of Tanzanian wildlife conservation up until World War I, focusing upon elephant hunting and the ivory trade as vital factors in a shift from exploitation to preservation that increasingly excluded indigenous Africans. Analyzing the formative interactions between colonial governance and the natural world, The Nature of German Imperialism situates East African wildlife policies within the global emergence of conservationist sensibilities around 1900.

The Arctic (Paperback): Richard Sale, Per Nichelsen The Arctic (Paperback)
Richard Sale, Per Nichelsen
R623 R500 Discovery Miles 5 000 Save R123 (20%) Shipped within 7 - 12 working days

This stunningly beautiful and informative book celebrates the Arctic, one of the last great wildernesses on the planet; a place where animals have survived for thousands of years protected only by fur and feathers. Humans also survive in the Arctic, but only those who have adjusted to the climate over millennia and who clad themselves in the skins of the animals they hunt. For the casual visitor, this is a place where survival for any extended period requires taking advantage of the best that modern technology can offer. But the rewards are immense: the Arctic can be harsh, but it is also stunningly beautiful - days during which the sun glints on ice, nights illuminated by the ethereal dancing light of the aurora and with a glimpse of some of the most remarkable animals on the planet. Many travel to the Arctic to see the animals, the land mammals, the whales and seals, and the birds. However, the Arctic also has an absorbing human history. The origins of the Inuit in North America, and the array of Eurasian northern peoples, from the Sami of Scandinavia to the Yuppik hunters from Asia's Bering Sea coast, are still debated, while the discovery, just a year or so ago, of the second ship of Franklin's doomed expedition to find the North-West Passage has reopened the arguments over exactly what did happen to more than 100 Royal Navy seamen. The Arctic provides not only an understanding of the formation of the Arctic but the science of snow and ice including the phenomena of aurora and parhelia, and the way in which the area's wildlife contends with the chilling harshness of its climate. This fascinating, magnificent area is now under severe threat. Global warming is causing the sea ice to shrink, in both area and volume. This allows easier access to its probable resources and, ironically, this access merely adds to the threats to the area and its wildlife. Due to feedback mechanisms, the Arctic warms about twice as fast as the Earth. The area therefore acts in the way that canaries once acted in coal mines, giving an early warning of danger: melting sea ice not only threatens the local wildlife but indicates the threat to the Earth as a whole. This is a truly remarkable book encompassing the diverse facets of this magnificent area and its vital importance as an indicator of the planet's health.

Florida Manatees - Biology, Behavior, and Conservation (Hardcover): John E. Reynolds Florida Manatees - Biology, Behavior, and Conservation (Hardcover)
John E. Reynolds; Photographs by Wayne Lynch
R700 R604 Discovery Miles 6 040 Save R96 (14%) Shipped within 7 - 12 working days

Manatees, the gentle giants of Florida's lagoons and coastal habitats, can bring a smile to the face of anybody lucky enough to spy one. As manatees dip and roll through the water, crowds gather to watch them feed on aquatic vegetation. Whether they are congregating by the hundreds or resting or feeding alone, viewing these sea cows can provide anyone interested in nature with hours of tranquil pleasure. Having survived for eons, today's manatees are now under constant threat due to our rapidly swelling human population. Their habitats are often devastated by development and pollution. The slow-moving manatees also live at the mercy of chance, for they occupy waters filled with fast-moving boats powered by razor-sharp propellers-a new form of predator from which they have no protection. Boat speed limits have been put in place to protect manatees, but there is a constant push to lift them so that people can once again zip across the waters that manatees call home. For this reason, manatees are often a subject of controversy that pits their lives against the rights of boat owners. In this book, manatee expert John E. Reynolds III and famed photographer Wayne Lynch join forces to reveal the clearest portrait of manatees ever published. Florida Manatees is a song for the manatee, a celebration of the lives of these majestic creatures. Reynolds's concise, informative text shares what scientists know about manatees, while Lynch's beautiful photographs instantly demonstrate how special these "potatoes with whiskers" really are. By encouraging an appreciation of manatees, the authors hope to help ensure a future in which Floridians can find ways to coexist with and continue to enjoy these uniquely wonderful sirenian inhabitants of their state. Included in this book: How manatees first came to Florida waters How manatees fit into the ecosystems of Florida What and how much manatees eat How manatees behave and communicate with one another Why manatees look the way they do Why manatees have whiskers How manatee mothers feed their young and much more

The Eurasian Beaver Handbook - Ecology and Management of Castor fiber (Paperback): Roisin Campbell-Palmer, Derek Gow, Gerhard... The Eurasian Beaver Handbook - Ecology and Management of Castor fiber (Paperback)
Roisin Campbell-Palmer, Derek Gow, Gerhard Schwab, Duncan Halley, John Gurnell, …
R791 R725 Discovery Miles 7 250 Save R66 (8%) Shipped within 7 - 12 working days

Beavers are widely recognised as a keystone species which play a pivotal role in riparian ecology. Their tree felling and dam building behaviours coupled with a suite of other activities create a wealth of living opportunities that are exploited by a range of other species. Numerous scientific studies demonstrate that beaver-generated living environments that are much richer in terms of both biodiversity and biomass than wetland environments from which they are absent. Emerging contemporary studies indicate clearly that the landscapes they create can afford sustainable, cost-effective remedies for water retention, flood alleviation, silt and chemical capture. Beaver activities, especially in highly modified environments, may be challenging to certain land use activities and landowners. Many trialled and tested methods to mitigate against these impacts, including a wide range of non-lethal management techniques, are regularly implemented across Europe and North America. Many of these techniques will be new to people, especially in areas where beavers are newly re-establishing. This handbook serves to discuss both the benefits and challenges in living with this species, and collates the wide range of techniques that can be implemented to mitigate any negative impacts. The authors of this handbook are all beaver experts and together they have a broad range of scientific knowledge and practical experience regarding the ecology, captive husbandry, veterinary science, pathology, reintroduction and management of beavers in both continental Europe and Britain.

Underwater Museum - The Submerged Sculptures of Jason DeCaires Taylor (Hardcover): Jason Decaires Taylor Underwater Museum - The Submerged Sculptures of Jason DeCaires Taylor (Hardcover)
Jason Decaires Taylor
R435 R311 Discovery Miles 3 110 Save R124 (29%) Shipped within 7 - 12 working days

On the seabed off the coast of the West Indies and Mexico, artist Jason deCaires Taylor's 'living sculptures' are a permanent embellishment to the underwater landscape. Taylor casts life-size statues from materials used to encourage reef growth and sinks them to the ocean floor. Over time, the sculptures attract corals, algae and a diverse variety of fish species and evolve into beautiful and surreal installations that adapt with their environment. This book offers a glimpse onto these awe-inspiring creations, in shots of the sculptures at various stages in their metamorphosis, plus informative text and images about the practicalities of the artist's process. An immersive tour of Taylor's underwater sculpture parks, this collection is a dazzling visual treat for ocean enthusiasts, environmentalists and art lovers.

Current Trends in Wildlife Research (Hardcover, 1st ed. 2016): Rafael Mateo, Beatriz Arroyo, Jesus T. Garcia Current Trends in Wildlife Research (Hardcover, 1st ed. 2016)
Rafael Mateo, Beatriz Arroyo, Jesus T. Garcia
R3,652 R2,979 Discovery Miles 29 790 Save R673 (18%) Shipped within 7 - 12 working days

This book, the first in the "Wildlife Research Monograph" series, defines "wildlife research" in a variety of contexts and reviews recent research trends. The authors present the current developments they have identified using bibliometric analyses of the most common, relevant and emerging topics in wildlife research over the last three decades. Diverse aspects of wildlife research are discussed, including wildlife demography, infections spread between wildlife, livestock and humans, habitat requirements and management, as well as the effects of renewable energy and pollutants on wildlife. Furthermore the authors explore topics like advances in the study of species distribution, invasive species, use of molecular markers in wildlife studies and the sustainability of wildlife exploitation and conservation conflicts. The book offers a comprehensive overview of advances in wildlife research in the last decades.

The Siberian Sturgeon (Acipenser baerii, Brandt, 1869) Volume 1 - Biology (Hardcover, 1st ed. 2018): Patrick Williot, Guy... The Siberian Sturgeon (Acipenser baerii, Brandt, 1869) Volume 1 - Biology (Hardcover, 1st ed. 2018)
Patrick Williot, Guy Nonnotte, Denise Vizziano-Cantonnet, Mikhail Chebanov
R4,439 R3,519 Discovery Miles 35 190 Save R920 (21%) Shipped within 7 - 12 working days

The biology of the Siberian sturgeon, Acipenser baerii Brandt 1869, has become a very attractive subject of investigation for biologists since the 1980s. This volume 1 is part of a two-volume set devoted to the species, the second of which focuses on farming. The present volume is divided into three parts: Biology and ecology, Biology and physiology of reproduction, and Ecophysiology, i.e. adaptation to the environment. The first part addresses a broad range of topics, such as: the ecology, including a new approach to species-specificity, a new insight on the mineralization of vertebral elements, two approaches to sex determination, transposable elements in the gonads, early ontogeny, olfaction and gustation, nutrition and swimming. The second part includes neurochemical and anatomical descriptions of the central nervous system and an updated version of the oogenesis, the characteristics of both sperm and spermatozoa, and a synthesis on gonadal steroids (synthesis, plasmatic levels and biological activities). In turn, the third part reveals how the physiology of the species changes depending on environmental factors such as oxygen, ammonia, and nitrite. Some fundamental consequences of ammonia are developed (sublethal and lethal levels, effects on gill epithelium and haematology, acid-base balance, on AA and adenyl nucleotides levels in plasma, brain and muscle tissue). In addition, the book includes two methodological chapters dealing with fish dorsal aortic cannulation and respiration physiology.

Trout and Salmon - Ecology, Conservation and Rehabilitation (Paperback): D.T. Crisp Trout and Salmon - Ecology, Conservation and Rehabilitation (Paperback)
D.T. Crisp
R2,531 R2,218 Discovery Miles 22 180 Save R313 (12%) Shipped within 7 - 12 working days

This important book contains a great wealth of practical information on trout and salmon, species of fish that are of huge scientific and commercial interest.

The introductory chapters of Trout and Salmon cover the biology and environmental variables of importance when considering these species. Further chapters encompass current information on the ecology of salmon and trout, with particular emphasis on the definition and quantification, where possible, of their environmental requirements and limitations. Comprehensive coverage of the impacts of human activities on trout and salmon is included, together with important aspects of relevance when considering issues of species conservation and habitat restoration.

The book concentrates on the two species of the genus Salmo with many references and comparisons with the genus Oncorhynchus. Conclusions drawn within the book apply to both genera and as such the book will have relevance for both Europe and North America as well as other areas where these genera occur.

Trevor Crisp has written a book that will be of great interest and use to fish biologists and fisheries scientists, to aquatic biologists, conservationists, ecologists and environmental scientists. The book will be particularly valuable for those working in government environment agencies and fish and wildlife departments and to all those involved in the management of these important species, their fisheries and habitats.

Roadless Rules - The Struggle for the Last Wild Forests (Hardcover): Tom Turner Roadless Rules - The Struggle for the Last Wild Forests (Hardcover)
Tom Turner
R1,159 R987 Discovery Miles 9 870 Save R172 (15%) Shipped within 7 - 12 working days

This title offers an inside look at the most successful campaign in forest conservation history. "Roadless Rules" is a fast-paced and insightful look at one of the most important, wide-ranging, and controversial efforts to protect public forests ever undertaken in the United States. In January 2000, President Clinton submitted to the Federal Register the Roadless Area Conservation Rule, prohibiting road construction and timber harvesting in designated roadless areas. Set to take effect sixty days after Clinton left office, the rule was immediately challenged by nine lawsuits from states, counties, off-road-vehicle users, and timber companies. The Bush administration refused to defend the rule and eventually sought to replace it with a rule that invited governors to suggest management policies for forests in their states. That rule was attacked by four states and twenty environmental groups and declared illegal. "Roadless Rules" offers a fascinating overview of the creation of the Clinton roadless rule and the Bush administration's subsequent replacement rule, the controversy generated, the response of the environmental community, and the legal battles that continue to rage more than seven years later. It explores the value of roadless areas and why the Clinton rule was so important to environmentalists, describes the stakeholder groups involved, and takes readers into courtrooms across the country to hear critical arguments. Author Tom Turner considers the lessons learned from the controversy, arguing that the episode represents an excellent example of how the system can work when all elements of the environmental movement work together - local groups and individuals determined to save favourite places, national organizations that represent local interests but also concern themselves with national policies, members of the executive branch who try to serve the public interest but need support from outside, and national organizations that use the legal system to support progress achieved through legislation or executive action.

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