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

Species Conservation in Managed Habitats - The Myth of a Pristine Natur (Hardcover): W. Kunz Species Conservation in Managed Habitats - The Myth of a Pristine Natur (Hardcover)
W. Kunz
R2,132 Discovery Miles 21 320 Ships in 18 - 22 working days

Written by an author with longstanding experience in the ecology of insects and birds and with a stellar academic record in molecular life sciences, this is a welcome challenge to the widely held beliefs in conventional environmental policies. Werner Kunz convincingly explains why maintaining high biodiversity in Europe depends heavily on the existence of open space and sparse ground vegetation that is neither used for intensive modern agriculture, nor eliminated by reforestation. He questions the commonly propagated opinion that nature conservation is equivalent to species protection - and shows that technical habitat design can rescue endangered species. A must-have for environmental agencies, policy makers, ecologists and all who are witnessing the current loss of species in Central Europe.

Peak Oil, Economic Growth, and Wildlife Conservation (Hardcover, 2014 ed.): J. Edward Gates, David L. Trauger, Brian Czech Peak Oil, Economic Growth, and Wildlife Conservation (Hardcover, 2014 ed.)
J. Edward Gates, David L. Trauger, Brian Czech
R4,276 R3,475 Discovery Miles 34 750 Save R801 (19%) Ships in 10 - 15 working days

The proposed book focuses on one of the most important issues affecting humankind in this century - Peak Oil or the declining availability of abundant, cheap energy-and its effects on our industrialized economy and wildlife conservation. Energy will be one of the defining issues of the 21st Century directly affecting wildlife conservation wherever energy extraction is a primary economic activity and indirectly through deepening economic recessions. Since cheap, abundant energy has been at the core of our industrial society, and has resulted in the technological advancements we enjoy today, the peak in world oil extraction would potentially have major impacts on civilization unless we prepare well in advance. One potential economic solution covered in the book would be a Steady State Economy with a stable population and per capita consumption, particularly in such industrialized countries as the United States. Furthermore, the lack of cheap, abundant energy directly and indirectly affects conservation efforts by professional societies and federal and state agencies, and NGOs concerned with wildlife issues. We need to recognize these potential problems and prepare, as much as possible, for the consequences stemming from them.

Lost Gold - Ornithology of the subantarctic Auckland Islands (Paperback): Colin Miskelly, Craig Symes Lost Gold - Ornithology of the subantarctic Auckland Islands (Paperback)
Colin Miskelly, Craig Symes
R923 Discovery Miles 9 230 Ships in 10 - 15 working days

This special book-format issue of Birds New Zealands journal Notornis is devoted to the birds of the Auckland Islands Maukahuka/Motu Maha, the largest and biologically most diverse island group in the New Zealand subantarctic region. Its 19 chapters, written by leading ornithologists, cover a wide range of topics, including the history of ornithological discovery, biogeography, the impacts of introduced mammals and people, prehistoric bird communities based on bone assemblages, and population, ecological and genetic studies of several of the endemic or otherwise notable birds of the island group including Auckland Island snipe, white-headed petrel, and several albatross species.

Alaska's Bears - Grizzlies, Black Bears, and Polar Bears, Revised Edition (Hardcover, 2nd edition): Bill Sherwonit Alaska's Bears - Grizzlies, Black Bears, and Polar Bears, Revised Edition (Hardcover, 2nd edition)
Bill Sherwonit; Photographs by Tom Walker
R549 Discovery Miles 5 490 Ships in 10 - 15 working days

Alaska is truly bear country. It is the only one of America’s fifty states to be inhabited by all three of North America’s ursine species: black, polar bear, and brown bear (also known as grizzly). Alaska’s Bears is a handy guidebook to the bears of Alaska, a book that slips easily into a jacket pocket or a day pack, and that provides entertaining armchair reading when you’re not in bear country. Here in one compact edition is a book that can help you understand Alaska’s bears and their natural histories. Learn about their appearances, behaviors, yearly cycles, ecological niches, and relationships with humans. Find full details on how to visit Alaska’s prime bear-viewing and get tips for traveling safely through bear country. Complementing Bill Sherwonit’s text are photographs from longtime Alaskan Tom Walker, a premier wildlife photographer who has spent hundreds of hours in the company of bears.

The Biology of Lakes and Ponds (Hardcover, 3rd Revised edition): Christer Bronmark, Lars-Anders Hansson The Biology of Lakes and Ponds (Hardcover, 3rd Revised edition)
Christer Bronmark, Lars-Anders Hansson
R3,113 Discovery Miles 31 130 Ships in 10 - 15 working days

A concise but comprehensive introduction to the biology of standing waters (lakes and ponds). As with other books in the Biology of Habitats Series, the emphasis in this book is on the organisms that dominate freshwater environments. Management and conservation aspects are also considered. The first edition of the book published in 1998 with a second, revised edition in 2005. There has been significant development in the field since the last revision appeared, particularly in the ecology of lakes and ponds in subtropical and tropical areas, and a new revision of this now classic text is timely.

Bee Conservation - Evidence for the effects of interventions (Paperback): Lynn V. Dicks, David A. Showler, William J. Sutherland Bee Conservation - Evidence for the effects of interventions (Paperback)
Lynn V. Dicks, David A. Showler, William J. Sutherland
R752 Discovery Miles 7 520 Ships in 10 - 15 working days

This book brings together scientific evidence and experience relevant to the practical conservation of wild bees. The authors worked with an international group of bee experts and conservationists to develop a global list of interventions that could benefit wild bees. They range from protecting natural habitat to controlling disease in commercial bumblebee colonies. For each intervention, the book summarises studies captured by the Conservation Evidence project, where that intervention has been tested and its effects on bees quantified. The result is a thorough guide to what is known, or not known, about the effectiveness of bee conservation actions throughout the world. Bee Conservation is the first in a series of synopses that will cover different species groups and habitats, gradually building into a comprehensive summary of evidence on the effects of conservation interventions for all biodiversity throughout the world. By making evidence accessible in this way, we hope to enable a change in the practice of conservation, so it can become more evidence-based. We also aim to highlight where there are gaps in knowledge. Evidence from all around the world is included. If there appears to be a bias towards evidence from northern European or North American temperate environments, this reflects a current bias in the published research that is available to us. Conservation interventions are grouped primarily according to the relevant direct threats, as defined in the International Union for the Conservation of Nature (IUCN)'s Unified Classification of Direct Threats.

Alaska's Bears - Grizzlies, Black Bears, and Polar Bears, Revised Edition (Paperback, 2nd edition): Bill Sherwonit Alaska's Bears - Grizzlies, Black Bears, and Polar Bears, Revised Edition (Paperback, 2nd edition)
Bill Sherwonit; Photographs by Tom Walker
R269 Discovery Miles 2 690 Ships in 10 - 15 working days

Alaska is truly bear country. It is the only one of America’s fifty states to be inhabited by all three of North America’s ursine species: black, polar bear, and brown bear (also known as grizzly). Alaska’s Bears is a handy guidebook to the bears of Alaska, a book that slips easily into a jacket pocket or a day pack, and that provides entertaining armchair reading when you’re not in bear country. Here in one compact edition is a book that can help you understand Alaska’s bears and their natural histories. Learn about their appearances, behaviors, yearly cycles, ecological niches, and relationships with humans. Find full details on how to visit Alaska’s prime bear-viewing and get tips for traveling safely through bear country. Complementing Bill Sherwonit’s text are photographs from longtime Alaskan Tom Walker, a premier wildlife photographer who has spent hundreds of hours in the company of bears.

The Population Ecology and Conservation of Charadrius Plovers (Paperback): Mark A. Colwell, Susan M. Haig The Population Ecology and Conservation of Charadrius Plovers (Paperback)
Mark A. Colwell, Susan M. Haig
R1,679 Discovery Miles 16 790 Ships in 10 - 15 working days

The 40 or so species of beach-loving plovers (genus Charadrius) comprise a diverse group of shorebirds found around the world. Most of these species are challenged by changing climates and other human-related development activities, yet they provide key insights into basic ecological and evolutionary processes. The expert international contributors take a comparative approach, presenting examples from many worldwide plover studies and synthesizing the group's most pressing and important topics. The book further presents an emphasis on full life-cycle biology, including the importance of examining migratory connectivity issues, even for non-migratory plovers. Color pages were planned and approved for some pages in this volume, but due to a printing error some copies have incorrectly been released with these pages printed in black and white. Replacement copies with the correct color in place can be obtained upon request by contacting [email protected]. CRC Press extends apologies to any customers affected by this error and for the inconvenience caused. Key Features Serves as a fundamental resource for conservation practitioners Detailed overview of a widely distributed group of shorebirds Authored by renowned specialists who present theoretical and applied perspectives Emphasis on comparative and synthetic approach in all chapters Related Titles McComb, B. et al. Monitoring Animal Populations and Their Habitats: A Practitioner's Guide (ISBN 978-0-4291-3827-0). Garvey, J. E. & M. R. Whiles. Trophic Ecology (ISBN 978-1-4987-5846-8). Dewdney, A. K. Stochastic Communities: A Mathematical Theory of Biodiversity (ISBN 978-1-1381-9702-2).

Grassland Restoration and Management (Hardcover): David Blakesley, Peter Buckley Grassland Restoration and Management (Hardcover)
David Blakesley, Peter Buckley
R1,975 Discovery Miles 19 750 Ships in 10 - 15 working days

Following the destruction of 95% of meadows during the twentieth century, there is an urgent need to understand what little unspoiled habitat remains in order to plan the management and restoration of existing sites, as well as re-creating future grassland habitats. This book is a much-needed guide to grassland restoration and management. Providing a thorough overview of recent research on grassland restoration and its implications for practical grassland restoration and management, it introduces grassland communities and the wildlife they support, including examples of species of conservation concern, and considers the management of semi-natural grassland habitats with particular emphasis on drier grassland habitats. Chapters cover: - Grassland character and communities - Introduction to grassland wildlife - Managing semi-natural grassland - Grassland restoration - threats and challenges - Opportunities in grassland restoration - Plant material for grassland restoration - Defining success in grassland restoration. A variety of management techniques are examined, including soil amendment, cultivation, harvesting and maintenance in creating suitable conditions for the successful restoration of species-rich grasslands. It is essential reading for conservationists, site owners or managers, practitioners, conservation organizations and students of ecological restoration with an interest in the creation of new grassland habitats, the restoration of semi-natural grassland, as well as the continuing management of semi-natural (unimproved) grassland communities.

Lime Creek Odyssey (Paperback): Steven J Meyers Lime Creek Odyssey (Paperback)
Steven J Meyers
R294 Discovery Miles 2 940 Ships in 10 - 15 working days

As Steven Meyers writes, an odyssey need not involve a long journey, simply a profound one. First drawn to Lime Creek for its fly fishing, this stream serves as Meyers’s muse in seven transcendent essays that explore journeys in the discovery of self, of home, and what it means to be human. The essays also explore loss and grief, of finding healing in the powerful presence of nature and in the awareness and experience of natural cycles. The tender eloquence of his writing and his compassion for all living things make for a contemplation of place in the tradition of Pilgrim at Tinker Creek and Desert Solitaire.

Applied Ecology and Human Dimensions in Biological Conservation (Hardcover, 2014 ed.): Luciano M Verdade, Maria Carolina... Applied Ecology and Human Dimensions in Biological Conservation (Hardcover, 2014 ed.)
Luciano M Verdade, Maria Carolina Lyra-Jorge, Carlos I. Pina
R4,623 Discovery Miles 46 230 Ships in 10 - 15 working days

This book provides both the conceptual basis and technological tools that are necessary to identify and solve problems related to biodiversity governance. The authors discuss intriguing evolutionary questions, which involve the sometimes surprising adaptive capacity of certain organisms to dwell in altered and/or changing environments that apparently lost most of their structure and functionality. Space and time heterogeneities are considered in order to understand the patterns of distribution and abundance of species and the various processes that mold them. The book also discusses at which level from genes to the landscape, including individuals, populations, communities, and ecosystems men should intervene in nature in order to prevent the loss of biodiversity."

Japanese Commons in the Coastal Seas - How the Satoumi Concept Harmonizes Human Activity in Coastal Seas with High Productivity... Japanese Commons in the Coastal Seas - How the Satoumi Concept Harmonizes Human Activity in Coastal Seas with High Productivity and Diversity (Hardcover, 2013 ed.)
Tetsuo Yanagi
R2,636 Discovery Miles 26 360 Ships in 18 - 22 working days

The author proposed the satoumi concept, analogous to the satoyama concept on land, as coastal sea with high biodiversity and productivity in harmony with human interaction in 1998. The concept for environmental conservation in the coastal seas has been widely accepted and was included in the Japanese national policy of Strategy for Establishment of an Environmental Nation in 2007. This book is a translation of the author s Japanese book (2010) in response to concerns and questions about satoumi, including: Does biodiversity increase as a result of human interaction in coastal seas? Do the economics of fishing villages need to be considered in detail? What legal support is necessary for the creation of satoumi? Is there a relation between the concepts of God and Nature in satoumi? What is the relationship between fishermen and city dwellers? Chapter 1 presents the basic concept of satoumi. In Chapter 2 the relation between biodiversity and human interaction, economic problems related to satoumi, legal support for satoumi creation, satoumi" "from the point of view of landscape ecology, and the relation between society and science with regard to the satoumi movement are discussed. In Chapter 3 examples of satoumi creation in Japan are presented, andin Chapter 4 the overseas dissemination of the satoumi concept is introduced, with Chapter 5 providing the conclusion. Chapter 1 presents the basic concept of satoumi. In Chapter 2 the relation between biodiversity and human interaction, economic problems related to satoumi, legal support for satoumi creation, satoumi" "from the point of view of landscape ecology, and the relation between society and science with regard to the satoumi movement are discussed. In Chapter 3 examples of satoumi creation in Japan are presented, andin Chapter 4 the overseas dissemination of the satoumi concept is introduced, with Chapter 5 providing the conclusion. "

Conserving Europe's Wildlife - Law and Policy of the Natura 2000 Network of Protected Areas (Paperback): Andrew L.R.... Conserving Europe's Wildlife - Law and Policy of the Natura 2000 Network of Protected Areas (Paperback)
Andrew L.R. Jackson
R1,395 Discovery Miles 13 950 Ships in 10 - 15 working days

The Natura 2000 network of protected areas is the centrepiece of European Union nature policy, currently covering almost one-fifth of the EU's entire land territory plus large marine areas. This vast EU-wide network, which aims to conserve Europe's most valuable and threatened species and habitats, has major impacts on land use throughout all Member States of the EU. This book critically assesses the origins and implementation of the Natura 2000 network, established under the Birds Directive of 1979 and the Habitats Directive of 1992. Based on original archival research and interviews with key participants, the book records a detailed history of the origins and negotiation of Natura 2000 policy and law, with the history of EU environmental policy provided as a framework. An historical institutionalist approach is adopted, which emphasises the importance of understanding legal and policy development as processes that unfold over time. Three phases in the history of EU environmental policy are identified and described, and the history of EU nature policy is placed within the context of these three phases. Informed by this history, the author presents a comprehensive summary and assessment of the law and policy that protects Natura 2000 sites at EU level, and reviews the nature conservation outcomes for the targeted species and habitats. The book reveals how a knowledge of the history of Natura 2000 enriches our understanding of key issues such as conflicts in establishing and conserving the Natura 2000 network, EU integration in the field of nature conservation, and the future of EU nature policy.

Modern Methods in Orchid Conservation (Hardcover): H.W. Pritchard Modern Methods in Orchid Conservation (Hardcover)
H.W. Pritchard
R3,084 Discovery Miles 30 840 Ships in 10 - 15 working days

The subject matter of this text is conference based and deals with the physiology, ecology and management of orchid conservation. It offers information not only to the orchid research scientist, but also to the orchid enthusiast curious about the scientific background to this topic. Interest and support for plant conservation has increased considerably and a great deal of attention has been focused on the plight of members of the orchid family. The development makes it desirable to collect existing information and to consider areas of research.

Zoo Animal Welfare (Hardcover, 2013 ed.): Terry Maple, Bonnie M Perdue Zoo Animal Welfare (Hardcover, 2013 ed.)
Terry Maple, Bonnie M Perdue
R5,263 Discovery Miles 52 630 Ships in 10 - 15 working days

Zoo Animal Welfare thoroughly reviews the scientific literature on the welfare of zoo and aquarium animals. Maple and Perdue draw from the senior author's 24 years of experience as a zoo executive and international leader in the field of zoo biology. The authors' academic training in the interdisciplinary field of psychobiology provides a unique perspective for evaluating the ethics, practices, and standards of modern zoos and aquariums. The book offers a blueprint for the implementation of welfare measures and an objective rationale for their widespread use. Recognizing the great potential of zoos, the authors have written an inspirational book to guide the strategic vision of superior, welfare-oriented institutions. The authors speak directly to caretakers working on the front lines of zoo management, and to the decision-makers responsible for elevating the priority of animal welfare in their respective zoo. In great detail, Maple and Perdue demonstrate how zoos and aquariums can be designed to achieve optimal standards of welfare and wellness.

The Fish Production Potential of the Baltic Sea - A New General Approach for Optimizing Fish Quota Including a Holistic... The Fish Production Potential of the Baltic Sea - A New General Approach for Optimizing Fish Quota Including a Holistic Management Plan Based on Ecosystem Modelling (Hardcover, 2010 ed.)
Lars Hakanson, Henrik Ragnarsson Stabo, Andreas C. Bryhn
R4,230 Discovery Miles 42 300 Ships in 18 - 22 working days

It presents a new approach to set fish quota based on holistic ecosystem modeling (the CoastWeb-model) and also a plan to optimize a sustainable management of the Baltic Sea including a cost-benefit analysis. This plan accounts for the production of prey and predatory fish under different environmental conditions, professional fishing, recreational fishing and fish cage farm production plus an analysis of associated economic values. Several scenarios and remedial strategies for Baltic Sea management are discussed and an "optimal" strategy motivated and presented, which challenges the HELCOM strategy that was accepted by the Baltic States in November 2007. The strategy advocated in this book would create more than 7000 new jobs, the total value of the fish production would be about 1600 million euro per year plus 1000 million euro per year related to the willingness-to-pay to combat the present conditions in the Baltic Sea. Our strategy would cost about 370 million euro whereas the HELCOM strategy would cost about 3100 million euro per year. The "optimal" strategy is based on a defined goal - that the water clarity in the Gulf of Finland should return to what it was 100 years ago.

Sound Communication in Fishes (Hardcover, 2015 ed.): Friedrich Ladich Sound Communication in Fishes (Hardcover, 2015 ed.)
Friedrich Ladich
R4,645 Discovery Miles 46 450 Ships in 10 - 15 working days

This volume examines fish sounds that have a proven signal function, as well as sounds assumed to have evolved for communication purposes. It provides an overview of the mechanisms, evolution and neurobiology behind sound production in fishes, and discusses the role of fish sounds in behavior with a special focus on choice of mate, sex-specific and age-specific signaling. Furthermore, it highlights the ontogenetic development of sound communication and ecoacoustical conditions in fish habitats and the influence of hormones on vocal production and sound detection. Sound Communication in Fishes offers a must-have compendium for lecturers, researchers and students working in the fields of animal communication, fish biology, neurobiology and animal behavior.

Genetic Resources of Neotropical Fishes (Hardcover, 1st ed. 2017): Alexandre W. S. Hilsdorf, Eric M. Hallerman Genetic Resources of Neotropical Fishes (Hardcover, 1st ed. 2017)
Alexandre W. S. Hilsdorf, Eric M. Hallerman
R4,662 Discovery Miles 46 620 Ships in 10 - 15 working days

The aim of this book is to systematize and discuss population genetic studies of freshwater fish in a region that harbors the greatest diversity of species among all inland water ecosystems. This volume explores the genetic evaluation for a number of orders, families and species of Neotropical fishes, and provides an overview on genetic resources and diversity and their relationships with fish domestication, breeding, and food production.

Marine Mammal Observer and Passive Acoustic Monitoring Handbook (Paperback): Victoria Todd, Ian Todd, Jane Gardiner, Erica... Marine Mammal Observer and Passive Acoustic Monitoring Handbook (Paperback)
Victoria Todd, Ian Todd, Jane Gardiner, Erica Morrin; Foreword by Phillip J. Clapham 1
R1,467 Discovery Miles 14 670 Ships in 10 - 15 working days

Marine Mammal Observer and Passive Acoustic Monitoring Handbook is the ultimate instruction manual for mitigation measures to minimise man-made acoustical and physical disturbances to marine mammals from industrial and defence activities. Based on more than two decades of offshore experience, and a decade of supplying MMO and PAM services (commercial and scientific), the Handbook is a long-overdue reference guide that seeks to improve standards worldwide for marine operations such as seismic and drilling exploration, wind farm and civil engineering piling, dredging, trenching, rock-dumping, hydrographical surveys, and military/defence exercises. By popular request, this manual will also form an accompaniment to MMO and PAM courses. The Handbook consolidates all aspects of this discipline into one easily accessible resource, to educate all stakeholders (e.g. MMOs, PAM operators, suppliers, recruitment agencies, clients, contractors, regulators, NGOs, consultants, scientists, academia and media), regardless of experience. Topics include worldwide legislation, compliance, anthropogenic noise sources and potential effects, training, offshore life, visual and acoustic monitoring (theory and practice), marine mammal distribution, hearing and vocalisations, and report writing. Advice is provided on implementing sensible and practical mitigation techniques, appropriate technologies, data collection, client and regulator liaison, and project kick-off meetings. "The Handbook is an indispensable How To guide to the growing and increasingly important occupation of marine mammal monitoring, written with clarity and humor by scientists who have extensive experience in this field." -Dr Phillip J. Clapham, world-renowned cetologist and Director of the Cetacean Assessment and Ecology Program at the National Marine Mammal Laboratory in Seattle.

Nature's Best Hope: A New Approach to Conservation that Starts in Your Yard (Hardcover): Douglas W. Tallamy Nature's Best Hope: A New Approach to Conservation that Starts in Your Yard (Hardcover)
Douglas W. Tallamy
R730 R654 Discovery Miles 6 540 Save R76 (10%) Ships in 9 - 17 working days

Douglas W. Tallamy's first book, Bringing Nature Home, sparked a national conversation about the link between healthy local ecosystems and human well-being. In his new book Nature's Best Hope, Tallamy takes the next step and outlines his vision for a grassroots approach to conservation. Tallamy advocates for homeowners everywhere to turn their yards into conservation corridors that provide wildlife habitats and mitigate the effects of development and corporate agriculture. This home-based approach doesn't rely on the federal government and protects the environment from the whims of politics. It is also easy to do, and readers will walk away with specific suggestions they can incorporate into their own yards. Nature's Best Hope is nature writing at its best - rooted in history, progressive in its advocacy, and above all, actionable and hopeful. By proposing practical measures that ordinary people easily can do, Tallamy gives us reason to believe that the planet can be preserved for future generations.

The Golden Mole - and Other Living Treasure (Hardcover, Main): Katherine Rundell The Golden Mole - and Other Living Treasure (Hardcover, Main)
Katherine Rundell; Illustrated by Talya Baldwin
R600 R477 Discovery Miles 4 770 Save R123 (20%) Ships in 10 - 15 working days

'Exquisite and timely.' Maggie O'Farrell 'A rare and magical book. I didn't want it to end.' Bill Bryson 'A witty, intoxicating paean to Earth's wondrous creatures.' Observer 'A total miracle.' Max Porter ** SHORTLISTED FOR WATERSTONES AND FOYLES BOOK OF THE YEAR AWARDS ** The world is more astonishing, more miraculous and more wonderful than our wildest imaginings. In this passionately persuasive and sharply funny book, Katherine Rundell tells us how and why. A lavishly illustrated collection of the lives of some of the Earth's most astounding animals, The Golden Mole is a chance to be awestruck and lovestruck - to reckon with the beauty of the world, its fragility, and its strangeness. A swift flies two million kilometres in its lifetime. That's far enough to get to the moon and back twice over - and then once more to the moon. A pangolin keeps its tongue furled in a pouch by its hip. A Greenland shark can live five hundred years. A wombat once inspired a love poem. 'Rundell's pen is gold-tipped.' Sunday Times 'I love everything about this book: it is a rare little treasure.' Joanna Lumley 'Beautifully written.' Monty Don

Beavers: Boreal Ecosystem Engineers (Hardcover, 1st ed. 2017): Carol A. Johnston Beavers: Boreal Ecosystem Engineers (Hardcover, 1st ed. 2017)
Carol A. Johnston
R5,350 Discovery Miles 53 500 Ships in 10 - 15 working days

Bridging the fields of ecosystem science and landscape ecology, this book integrates Dr. Carol Johnston's research on beaver ecosystem alteration at Voyageurs National Park. The findings about the vegetation, soils, and chemistry of beaver impoundments synthesized in the text provide a cohesive reference useful to wetland scientists, ecosystems and landscape ecologysts, wildlife managers, and students. The beaver, Castor canadensis, is an ecosystem engineer unequaled in its capacity to alter landscapes through browsing and dam building, whose population recovery has re-established environmental conditions that probably existed for millenia prior to its near extirpation by trapping in the 1800s and 1900s. Beavers continue to regain much of their natural range throughout North America, changing stream and forest ecosystems in ways that may be lauded or vilified. Interest in beavers by ecologists remains keen as new evidence emerges about the ecological, hydrological, and biogeochemical effects of beaver browsing and construction. There is a critical need for ecologists and land managers to understand the potential magnitude, persistence, and ecosystem services of beaver landscape transformation. The 88-year record of beaver landscape occupation and alteration documented by Dr. Carol Johnston and colleagues from aerial photography and field work provides a unique resource toward understanding the ecosystem effects and sustainability of beaver activity.

Humans and Lions - Conflict, Conservation and Coexistence (Hardcover): Keith Somerville Humans and Lions - Conflict, Conservation and Coexistence (Hardcover)
Keith Somerville
R4,491 Discovery Miles 44 910 Ships in 10 - 15 working days

This book places lion conservation and the relationship between people and lions both in historical context and in the context of the contemporary politics of conservation in Africa. The killing of Cecil the Lion in July 2015 brought such issues to the public's attention. Were lions threatened in the wild and what was the best form of conservation? How best can lions be saved from extinction in the wild in Africa amid rural poverty, precarious livelihoods for local communities and an expanding human population? This book traces man's relationship with lions through history, from hominids, to the Romans, through colonial occupation and independence, to the present day. It concludes with an examination of the current crisis of conservation and the conflict between Western animal welfare concepts and sustainable development, thrown into sharp focus by the killing of Cecil the lion. Through this historical account, Keith Somerville provides a coherent, evidence-based assessment of current human-lion relations, providing context to the present situation. This book will be of interest to students and scholars of environmental and African history, wildlife conservation, environmental management and political ecology, as well as the general reader.

Forest Wildlife Ecology and Habitat Management (Paperback): David R. Patton Forest Wildlife Ecology and Habitat Management (Paperback)
David R. Patton
R2,039 Discovery Miles 20 390 Ships in 10 - 15 working days

Across the continental United States, one can identify 20 distinct forest cover types. Most of these are to be found on federal lands managed by the U.S. Forest Service and Bureau of Land Management. Those responsible for the management of trees that form the 20 different cover types and the diversity of forest wildlife that reside in them must have a solid grounding in concepts of forest management, especially silviculture, as well as concepts of wildlife management, in order to integrate both as part of any effective natural resource management plan. Forest Wildlife Ecology and Habitat Management provides both foresters and wildlife biologists responsible for managing forest resources with an integrated understanding of the relationship between forests and wildlife. Based on David Patton's 50 years of experience as a forester and wildlife biologist, the book shows readers how to look at forests as ecological systems and wildlife as part of the energy flow and nutrient cycling process within those systems. He offers readers a fundamental understanding of the natural processes that occur in a forest taking into consideration vegetation, water, and the natural effects of climate and time. He then provides a biological perspective on wildlife, discussing reproduction, behavior, feeding habits, and mobility. He also discusses the various influences on forests and wildlife by both natural and human-caused events. Covering those forest types included in the U.S. National Atlas, and associating over 1,100 wildlife species with 20 major forest types in 48 states, Professor Patton provides recommendations for ways to restore and maintain wildlife habitat by direct and indirect coordination. Towards this end, the author - Evaluates various approaches to integrate forestry and wildlife management Offers a number of practical management strategies, emphasizing a progressive holistic approach

Marine Policy - An Introduction to Governance and International Law of the Oceans (Hardcover, 2nd edition): Mark Zacharias,... Marine Policy - An Introduction to Governance and International Law of the Oceans (Hardcover, 2nd edition)
Mark Zacharias, Jeff Ardron
R4,513 Discovery Miles 45 130 Ships in 10 - 15 working days

Synthesizes all key aspects of marine governance encompassing institutions, science, law, and policy, ensuring the content is accessible for non-legal experts. This book will be essential reading for students taking marine affairs, science and policy courses. This new edition has been completely revised, updating text in line with recent advances and new chapters added. Pedagogical features for students are also included throughout.

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