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

Whales and Dolphins - Cognition, Culture, Conservation and Human Perceptions (Paperback): Philippa Brakes, Mark Peter Simmonds Whales and Dolphins - Cognition, Culture, Conservation and Human Perceptions (Paperback)
Philippa Brakes, Mark Peter Simmonds
R1,465 Discovery Miles 14 650 Ships in 12 - 19 working days

Whales and dolphins are icons for the conservation movement. They are the most conspicuous ambassadors for entire marine ecosystems and possibly even for the biosphere as a whole. Concurrent with our realisation of impending threats to their environment is a growing scientific understanding of the social and cognitive complexity of many of these species. This book brings together experts in the relevant diverse fields of cetacean research, to provide authoritative descriptions of our current knowledge of the complex behaviour and social organization of whales and dolphins. The authors consider this new information in the context of how different human cultures from around the world view cetaceans and their protection, including attitudes to whaling. They show how new information on issues such as cetacean intelligence, culture and the ability to suffer, warrants a significant shift in global perceptions of this group of animals and how these changes might be facilitated to improve conservation and welfare approaches.

Decline and Recovery of the Island Fox - A Case Study for Population Recovery (Hardcover): Timothy J. Coonan, Catherin A.... Decline and Recovery of the Island Fox - A Case Study for Population Recovery (Hardcover)
Timothy J. Coonan, Catherin A. Schwemm, David K. Garcelon
R3,343 Discovery Miles 33 430 Ships in 12 - 19 working days

Native only to the California Channel Islands, the island fox is the smallest canid in North America. Populations on four of the islands were threatened to extinction in the 1990s due to human-mediated predation and disease. This is the first account of the natural history and ecology of the island fox, illustrating both the vulnerability of island ecosystems and the efficacy of cooperative conservation measures. It explains in detail the intense conservation actions required to recover fox populations, such as captive breeding and reintroduction, and large-scale ecosystem manipulation. These actions were successful due in large part to extraordinary collaboration among the scientists, managers and public advocates involved in the recovery effort. The book also examines the role of some aspects of island fox biology, characteristic of the 'island syndrome', in facilitating their recovery, including high productivity and an apparent adaptation to periodic genetic bottlenecks.

Conserving and Valuing Ecosystem Services and Biodiversity - Economic, Institutional and Social Challenges (Paperback): K.N.... Conserving and Valuing Ecosystem Services and Biodiversity - Economic, Institutional and Social Challenges (Paperback)
K.N. Ninan; Foreword by Achim Steiner
R1,544 Discovery Miles 15 440 Ships in 12 - 19 working days

This book comprehensively addresses the economic, social and institutional difficulties in conserving biodiversity and the ecosystem services that it provides. It covers a wide range of issues such as biodiversity, ecosystem services and valuation in the context of diverse ecosystems such as tropical forests, marine areas, wetlands and agricultural landscapes, non-timber forest products, incentives and institutions, payments for ecosystem services, governance, intellectual property rights and the protection of traditional knowledge, management of protected areas, and climate change and biodiversity. It also covers the application of environmental economics and institutional economics to different cases and the use of techniques such as contingent valuation method and game theory. The book spans the globe with case studies drawn from a cross section of regions and continents including the UK, US, Europe, Australia, India, Africa and South America.

Cumulative Effects in Wildlife Management - Impact Mitigation (Paperback): Paul R. Krausman, Lisa K. Harris Cumulative Effects in Wildlife Management - Impact Mitigation (Paperback)
Paul R. Krausman, Lisa K. Harris
R2,083 Discovery Miles 20 830 Ships in 12 - 19 working days

As humans continue to encroach on wildlands, quality and quantity of wildlife habitat decreases before our eyes. A housing development here, a shopping mall there, a few more trees cut here, another road put in there, each of these diminishes available habitat. Unless the cumulative effects of multiple simultaneous development projects are recognized and incorporated at the beginning of project development, we will continue to see wildlife habitat disappear at unprecedented rates. Divided into two parts, Cumulative Effects in Wildlife Management emphasizes the importance of recognizing cumulative effects and highlights the necessity of their bearing on future policy. It begins with an outline of the differences between direct, indirect, and cumulative effects of anthropogenic impacts on wildlife habitat and addresses the similarities and differences in US and Canadian policies, legal and economic ramifications, and the confusion that stems from lack of consideration, communication, and forward planning. Section 1 also describes the current standard means of quantifying cumulative effects as proposed by the Council on Environmental Quality. Section 2 presents a series of case studies that deepen our appreciation of how anthropogenic influences interconnect and how this heightened level of understanding influences our ability to make informed decisions. Case studies include cumulative effects in the Canadian Arctic, border issues with Mexico, suburban and exurban landscapes, scenic resources, and the cumulative impacts of energy development on sage-grouse. Without a conscious knowledge of what is happening around us, we will not be able to incorporate an effective land ethic, and natural resources will be the ultimate loser. Cumulative Effects in Wildlife Management brings to light the crucial connections between human expansion and habitat destruction for those managers and practi

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
R1,443 Discovery Miles 14 430 Ships in 12 - 19 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.

The Owl Book (Hardcover): Jane Russ The Owl Book (Hardcover)
Jane Russ
R323 R296 Discovery Miles 2 960 Save R27 (8%) Ships in 9 - 17 working days
Conservation Agriculture for Africa - Building Resilient Farming Systems in a Changing Climate (Hardcover): Amir Kassam, Saidi... Conservation Agriculture for Africa - Building Resilient Farming Systems in a Changing Climate (Hardcover)
Amir Kassam, Saidi Mkomwa, Theodor Friedrich; Contributions by J. N. Blignaut, H. Boulal, …
R3,461 Discovery Miles 34 610 Ships in 12 - 19 working days

Tillage agriculture has led to widespread soil and ecosystem degradation globally. This is especially so in Africa where traditional and modern tillage-based agricultural practices have become unsustainable due to severe disturbance and exploitation of natural resources, with negative impacts on the environment and rural livelihoods. In addition, agriculture in Africa today faces major challenges including increased costs of production and energy, the effects of climate change, and the lack of an effective paradigm for sustainable intensification, especially for small- and medium-size holdings. Africa is facing a serious challenge to food security and as a continent has not advanced towards eradicating hunger. In addition, the population is still growing much faster than on most other continents. This pressure has led to the emergence of no-till conservation agriculture as a serious alternative sustainable agriculture paradigm. In Africa, in recent years, conservation agriculture techniques and methods have spread to many countries, as greater development, education and research effort are directed towards its extension and uptake. This book is aimed at agricultural researchers and scientists, educationalists, and agricultural service providers, institutional leaders and policy makers working in the fields of sustainable agriculture and international development, and also at agroecologists, conservation scientists, and those working on ecosystem services. This book: * Focuses on research and development initiatives in Africa aimed at building resilient farming systems based on conservation agriculture principles and practices. * Summarises the status of conservation agriculture in Africa today and prospects for its future development in Africa as a basis for sustainable agriculture intensification. * Describes case studies showing the performance of conservation agriculture in Africa.

Ajax the Kea Dog - A working dog's life in the high country (Paperback): Corey Mosen Ajax the Kea Dog - A working dog's life in the high country (Paperback)
Corey Mosen
R495 R452 Discovery Miles 4 520 Save R43 (9%) Ships in 12 - 19 working days

Together, Corey and Ajax traverse the steep high country throughout the South Island searching out kea nests. Their part in the kea conservation effort is essential and both Ajax and Corey can rightly be called conservation heroes. This heart-warming story describes how Ajax was trained to be one of the very few kea detection dogs in the world and tells of his various escapades in the unpredictable wilds of the steep back-country, including flying in helicopters, working in blizzards, heavy rain and dense fog, escaping from angry wasps and sleeping out in the bitter cold. The strong connection between Ajax and Corey has proved vital to their survival and the important work that they do. Ajax is slowing down now and soon his high-country days will be over.

Conserving and Valuing Ecosystem Services and Biodiversity - Economic, Institutional and Social Challenges (Hardcover): K.N.... Conserving and Valuing Ecosystem Services and Biodiversity - Economic, Institutional and Social Challenges (Hardcover)
K.N. Ninan; Foreword by Achim Steiner
R4,597 Discovery Miles 45 970 Ships in 12 - 19 working days

This book comprehensively addresses the economic, social and institutional difficulties in conserving biodiversity and the ecosystem services that it provides. It covers a wide range of issues such as biodiversity, ecosystem services and valuation in the context of diverse ecosystems such as tropical forests, marine areas, wetlands and agricultural landscapes, non-timber forest products, incentives and institutions, payments for ecosystem services, governance, intellectual property rights and the protection of traditional knowledge, management of protected areas, and climate change and biodiversity. It also covers the application of environmental economics and institutional economics to different cases and the use of techniques such as contingent valuation method and game theory. The book spans the globe with case studies drawn from a cross section of regions and continents including the UK, US, Europe, Australia, India, Africa and South America.

Penguins - Natural History and Conservation (Hardcover): Pablo Garcia Borboroglu, P. Dee Boersma Penguins - Natural History and Conservation (Hardcover)
Pablo Garcia Borboroglu, P. Dee Boersma
R1,039 R951 Discovery Miles 9 510 Save R88 (8%) Ships in 12 - 19 working days

Penguins, among the most delightful creatures in the world, are also among the most vulnerable. The fragile status of most penguin populations today mirrors the troubled condition of the southern oceans, as well as larger marine conservation problems: climate change, pollution, and fisheries mismanagement. This timely book presents the most current knowledge on each of the eighteen penguin species--from the majestic emperor penguins of the Antarctic to the little blue penguins of New Zealand and Australia, from the northern rockhopper penguins of the South Atlantic and Indian Oceans to the Galapagos penguins of the equator--written by the leading experts in the field.

The discussion of each species includes the life history, distribution, population sizes and trends, and International Union for the Conservation of Nature (IUCN) status, as well as threats to survival and legal protections, if any. The book also provides information on current conservation efforts, outlines the most important actions to be taken to increase each population's resilience, and recommends further research needed to protect penguins along with the living creatures that share their environment.

Beautifully illustrated with color photographs of each species in their natural habitats and detailed charts and graphs, "Penguins" will be an invaluable tool for researchers, conservation groups, and policy makers. It will also enchant anyone interested in the lives or the plight of these fascinating animals.

Pablo Garcia Borboroglu is a researcher at the National Research Council of Argentina, president of the Global Penguin Society, and affiliate professor at the University of Washington. P. Dee Boersma is professor of biology and Wadsworth Endowed Chair in Conservation Science at the University of Washington. She is coeditor of "Invasive Species in the Pacific Northwest" and executive editor of "Conservation" magazine.
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The Bears of Brooks Falls - Wildlife and Survival on Alaska's Brooks River (Paperback): Michael Fitz The Bears of Brooks Falls - Wildlife and Survival on Alaska's Brooks River (Paperback)
Michael Fitz
R524 R495 Discovery Miles 4 950 Save R29 (6%) Ships in 10 - 15 working days

On the Alaska Peninsula, where exceptional landscapes are commonplace, a small river attracts attention far beyond its scale. Each year, from summer to early fall, brown bears and salmon gather at Brooks River to create one of North America's greatest wildlife spectacles. As the salmon leap from the cascade, dozens of bears are there to catch them (with as many as forty-three bears sighted in a single day), and thousands of people come to watch in person or on the National Park Service's popular Brooks Falls Bearcam. The Bears of Brooks Falls tells the story of this region and the bears that made it famous in three parts. The first forms an ecological history of the region, from its dormancy 30,000 years ago to the volcanic events that transformed it into the Valley of Ten Thousand Smokes. The central and longest section is a deep dive into the lives of the wildlife along the Brooks River, especially the bears and salmon. Readers will learn about the bears' winter hibernation, mating season, hunting rituals, migration patterns, and their relationship with Alaska's changing environment. Finally, the book explores the human impact, both positive and negative, on this special region and its wild population.

Conservation of Wildlife Populations - Demography, Genetics, and Management (Hardcover, 2nd Edition): L. Mills Conservation of Wildlife Populations - Demography, Genetics, and Management (Hardcover, 2nd Edition)
L. Mills
R4,388 Discovery Miles 43 880 Ships in 12 - 19 working days

Population ecology has matured to a sophisticated science with astonishing potential for contributing solutions to wildlife conservation and management challenges. And yet, much of the applied power of wildlife population ecology remains untapped because its broad sweep across disparate subfields has been isolated in specialized texts. In this book, L. Scott Mills covers the full spectrum of applied wildlife population ecology, including genomic tools for non-invasive genetic sampling, predation, population projections, climate change and invasive species, harvest modeling, viability analysis, focal species concepts, and analyses of connectivity in fragmented landscapes. With a readable style, analytical rigor, and hundreds of examples drawn from around the world, "Conservation of Wildlife Populations (2nd ed)" provides the conceptual basis for applying population ecology to wildlife conservation decision-making. Although targeting primarily undergraduates and beginning graduate students with some basic training in basic ecology and statistics (in majors that could include wildlife biology, conservation biology, ecology, environmental studies, and biology), the book will also be useful for practitioners in the field who want to find - in one place and with plenty of applied examples - the latest advances in the genetic and demographic aspects of population ecology.Additional resources for this book can be found at: www.wiley.com/go/mills/wildlifepopulations.

Ecology and Conservation of the Diamond-backed Terrapin (Hardcover): Willem M. Roosenburg, Victor S. Kennedy Ecology and Conservation of the Diamond-backed Terrapin (Hardcover)
Willem M. Roosenburg, Victor S. Kennedy
R1,928 Discovery Miles 19 280 Ships in 12 - 19 working days

A fascinating look at the diamond-backed terrapin-an important, iconic, and imperiled American reptile. The diamond-backed terrapin is not only a uniquely evolved and beautiful turtle, it also has a long history as a vital American food source. Once so numerous that people reportedly grew tired of eating them, diamond-backed terrapins are greatly reduced in numbers today and have become an icon of salt marsh conservation. Considerably diminished in some areas and struggling to survive, this distinctive brackish water turtle is the focus of intense conservation efforts. In Ecology and Conservation of the Diamond-backed Terrapin, leading terrapin researcher Willem M. Roosenburg and experienced science editor Victor S. Kennedy have brought together a group of expert scientists to summarize our current understanding of terrapin biology, physiology, behavior, and conservation efforts. Over the course of 19 comprehensive chapters, contributors * review the latest information on this charismatic species * provide a detailed summary of the terrapin's natural history * explain the threats to terrapin population stability throughout their range * examine ongoing conservation efforts to ensure the reptile's survival * present convincing arguments for the value of the diamond-backed terrapin as an estuarine indicator organism * use the terrapin as a model for studying the consequences of exploitation and environmental degradation on long-lived species This exceptional book provides pivotal information for estuarine and turtle biologists, terrapin enthusiasts, natural historians, educators, conservationists, resource managers, and students. Ecology and Conservation of the Diamond-backed Terrapin is the definitive volume on this important American reptile. Contributors: Benjamin K. Atkinson, Harold W. Avery, Patrick J. Baker, Ralph E.J. Boerner, Russell L. Burke, Joseph A. Butler, Randolph M. Chambers, Paul E. Converse, Brian A. Crawford, Rusty D. Day, Dana J. Ehret, J. Whitfield Gibbons, Kathryn M. Greene, Leigh Anne Harden, Andrew S. Harrison, Kristen M. Hart, George L. Heinrich, Dawn K. Holliday, Victor S. Kennedy, Shawn R. Kuchta, Lori A. Lester, Jeffrey E. Lovich, John C. Maerz, David Owens, Allen R. Place, Taylor Roberge, Willem M. Roosenburg, Richard A. Seigel, Amanda Southwood Williard, Edward A. Standora, Anton D. Tucker, Diane C. Tulipani, Timothy J. Walsh, Thane Wibbels, Will Williams, Roger C. Wood

My First Summer in the Sierra - The nature diary of a pioneering environmentalist (Paperback, New edition): John Muir My First Summer in the Sierra - The nature diary of a pioneering environmentalist (Paperback, New edition)
John Muir; Foreword by Terry Gifford
R414 R386 Discovery Miles 3 860 Save R28 (7%) Ships in 10 - 15 working days

'Divine beauty all. Here I could stay tethered forever with just bread and water, nor would I be lonely.' In the summer of 1869, John Muir joined a group of shepherds in the foothills of California's Sierra Nevada mountains, that he might study and expand his knowledge of the plants, animals and rocks he found there. My First Summer in the Sierra - first published in 1911 - is the detailed and colourful diary he kept while tending sheep and exploring the wilderness. Muir's account tracks his experiences in the Yosemite Valley and the High Sierra alongside faithful companion Carlo the St Bernard, describing the majestic landscapes and the flora and fauna of the area with the excitement and wonder of a child. From sleeping on silver-fir-bough mattresses to goading wild bears, and valuing everything from tiny pebbles to giant sequoia, he truly immerses himself and falls in love with the wilderness. Muir's enthusiasm is infectious, and over 100 years on his environmental message is more pertinent than ever. With a new introduction from Muir authority Terry Gifford, My First Summer in the Sierra is an enchanting and informative read for anyone passionate about the natural world and its splendours.

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
R2,183 R1,929 Discovery Miles 19 290 Save R254 (12%) Ships in 12 - 19 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.

Invertebrate Conservation and Agricultural Ecosystems (Hardcover): T.R. New Invertebrate Conservation and Agricultural Ecosystems (Hardcover)
T.R. New
R4,242 Discovery Miles 42 420 Ships in 12 - 19 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.

Restoration of Temperate Wetlands (Hardcover): B.D. Wheeler Restoration of Temperate Wetlands (Hardcover)
B.D. Wheeler
R8,719 Discovery Miles 87 190 Ships in 12 - 19 working days

Despite many wetland sites having suffered various forms of damage, there has been a recent recognition that, in some instances, it may be possible to rectify this through deliberate and controlled restoration programmes. Wetland restoration involves a variety of disciplines and interests, concerning groups who are interested in wetland utilization (such as farmers, foresters, peat extractors and water authorities), as well as those who wish to safeguard the site or its wildlife (such as conservationists, natural historians, ecologists and archaeologists). Interaction between these action groups is regulated by planners and politicians, and disagreements are frequently fuelled by an absence of reliable information. In these circumstances, wetland scientists have a responsibility to try to acquire and interpret relevant data in an informed, objective and impartial way. This volume reviews the current scientific knowledge of wetland restoration, identifying the problems and opportunities associated with it. Based on revised and edited contributions to the recent Restoration of Temperate Wetlands symposium, it provides a broad overview of current information and experience of wetland restoration. In some cases it highlights the lack of knowledge available and illustrates how difficult it can be to make informed decisions. With contributions from Scandinavia, Europe, Australia, the USA and Canada, outlining the latest research and observations from a range of international wetland scientists and practitioners, this book provides a critical review of current information and knowledge and gives insights into many aspects of wetland restoration, with a focused approach to the ecological principles that underpin it.

Freshwater Ecology and Conservation - Approaches and Techniques (Hardcover): Jocelyne Hughes Freshwater Ecology and Conservation - Approaches and Techniques (Hardcover)
Jocelyne Hughes
R3,263 Discovery Miles 32 630 Ships in 12 - 19 working days

This practical manual of freshwater ecology and conservation provides a state-of-the-art review of the approaches and techniques used to measure, monitor, and conserve freshwater ecosystems. It offers a single, comprehensive, and accessible synthesis of the vast amount of literature for freshwater ecology and conservation that is currently dispersed in manuals, toolkits, journals, handbooks, 'grey' literature, and websites. Successful conservation outcomes are ultimately built on a sound ecological framework in which every species must be assessed and understood at the individual, community, catchment and landscape level of interaction. For example, freshwater ecologists need to understand hydrochemical storages and fluxes, the physical systems influencing freshwaters at the catchment and landscape scale, and the spatial and temporal processes that maintain species assemblages and their dynamics. A thorough understanding of all these varied processes, and the techniques for studying them, is essential for the effective conservation and management of freshwater ecosystems.

Conserving Living Natural Resources - In the Context of a Changing World (Hardcover): Bertie Josephson Weddell Conserving Living Natural Resources - In the Context of a Changing World (Hardcover)
Bertie Josephson Weddell
R3,768 Discovery Miles 37 680 Ships in 12 - 19 working days

Conserving Living Natural Resources is an introductory textbook for students of conservation biology and resource management. It presents the historical and conceptual contexts of three seminal approaches to the management of living natural resources: utilitarian management for harvest of featured species and control of unwanted species, protection and restoration of populations and habitats to maintain biodiversity, and management of complex ecosystems to sustain both productivity and biodiversity. Rather than endorsing a single approach as the only correct one, this book investigates the historical and philosophical contexts, conceptual frameworks, principal techniques, and the limitations of each approach.

Field Guide to the Forest Trees of Uganda - For Identification and Conservation (Hardcover, 2nd edition): James Kalema, Alan... Field Guide to the Forest Trees of Uganda - For Identification and Conservation (Hardcover, 2nd edition)
James Kalema, Alan Hamilton
R2,120 Discovery Miles 21 200 Ships in 12 - 19 working days

This book is a guide for the identification of the indigenous forest trees of Uganda. It will be useful for those who wish to contribute towards the conservation of the forests or to plant indigenous trees. Information is provided on how to propagate and cultivate about 80 of the most valuable species. Indigenous trees provide numerous resources useful for welfare and development. They include many types of timber and non-timber forest products, such as craft materials, foods and medicines. The proximity of indigenous forest helps to moderate the local climate, making it more suitable for agriculture. Indigenous forests protect springs, therefore safeguarding water supplies more effectively than exotic trees such as pines and eucalyptus. All 450 known indigenous tree species from the forests are included. Both scientific and local names are provided, the latter in 21 languages. Local names facilitate access to knowledge and values traditionally attached to the species, useful when planning pathways of development firmly rooted in local culture. The book will be invaluable for botanists, foresters, rural development workers and members of the general public concerned about contributing to conservation and sustainable development in Uganda. Many of the species grow in neighbouring countries, so the book has relevance there too.

Growing Barn Owls in My Garden (Paperback, New): Paul Hackney Growing Barn Owls in My Garden (Paperback, New)
Paul Hackney
R537 Discovery Miles 5 370 Ships in 12 - 19 working days

The barn owl is a 'flagship' species, at the top of the food chain, and its presence or absence is a good indicator of the health of the countryside. This is the enjoyable and informative story of the author's success in restoring this beautiful bird to areas of the country where its numbers had catastrophically declined. From an upbringing in the Lake District, the author developed a deep interest in natural history which became an all-consuming passion. As a 'licensed rehabilitation keeper', he cared for a wide range of injured and orphaned wildlife, giving individuals a second chance by returning them to the wild. He reveals how and why he later graduated to barn owl conservation. The author describes his many encounters with barn owls, from the acquisition of his first breeding pair; 'Barney', a completely humanised owl; to stories of the fascinating array of people involved in releasing, studying, and simply marvelling at this beautiful bird. Although there is a funny side to most situations, there are also the inevitable disasters and disappointments of conservation work, such as the accidental or deliberate sabotaging of releases or the killing of released birds. The reader shares in the author's disappointment and frustration at the sheer cost in time and money and his frequent self-doubt about the success of the whole exercise. However, there are descriptions of more enjoyable activities such as bird ringing, watching home-grown birds metamorphose from ugly pink scraps into creatures of ethereal beauty, and the seemingly limitless energy and enthusiasm of countless landowners and volunteers who are totally committed to the reintroduction of the barn owl. After almost 20 years, there is now evidence of a marked increase in barn owl numbers in areas where the author has worked. During this period, he bred and released around 250 birds, put up nest boxes and advised on barn owl-friendly approaches to land management. These activities helped to reverse the decline in population as areas were repopulated and also created reservoirs of wild breeding barn owls, whose offspring colonised other under-populated parts of the country. The return of the barn owl not only heralds a brighter future for the British countryside, but also shows, at a time of great public concern about the state of planet Earth, that the negative effects of human activity on the environment can be reversed with effort, goodwill and determination.

Ecotoxicology of Antifouling Biocides (Hardcover, 2009 ed.): Takaomi Arai, Hiroya Harino, Madoka Ohji, William Langston Ecotoxicology of Antifouling Biocides (Hardcover, 2009 ed.)
Takaomi Arai, Hiroya Harino, Madoka Ohji, William Langston
R4,654 Discovery Miles 46 540 Ships in 10 - 15 working days

Organotin compounds, used as antifouling biocides since 1960, are chemical compounds that act as endocrine disrupters. It is not known how organotin compounds cause hormone disturbance, however, and many questions remain about their effect on aquatic organisms. Studies on organotin compounds have recently evolved, with many new findings reported. Following a worldwide ban on organotin compounds in 2008, alternative compounds will mainly be used, with the potential for coastal areas to become contaminated, causing, among other effects, cholinesterase inhibition in aquatic organisms. Use of alternative compounds must be controlled to avoid such errors. These and other findings are described and concisely summarized in this book, providing a useful reference in countries where alternative biocides are being considered. Included are studies on the effects on marine organisms, making this book an excellent aid to experts in environmental chemistry, to government organizations, and to students.

Amphibian Survey and Monitoring Handbook (Hardcover): John W. Wilkinson Amphibian Survey and Monitoring Handbook (Hardcover)
John W. Wilkinson
R2,480 Discovery Miles 24 800 Ships in 10 - 15 working days

"Evidence bases for conservation are becoming increasingly important to convince landowners and politicians of the need to take action in defence of species and habitats all around the world. A valuable feature of this book is its emphasis on collecting and analysing such essential information." Trevor Beebee, Phyllomedusa Amphibians are among the most globally endangered groups of vertebrates with more than one-third of species being assessed as declining or threatened. Often, amphibian declines can be attributed to a suite of interacting factors, many of which are human in origin, but further information is needed to elaborate the key causes and to discover ways of reversing declines. Robust surveys provide vital ecological and biological data on amphibian populations, and underpin the decisions made to protect species and reverse their declines. Ongoing monitoring informs land managers and decision makers about whether they are taking the right action. This book is designed to help you carry out amphibian surveying and monitoring so that the results of your surveys can be used effectively. Part 1 introduces amphibians: order Anura (frogs and toads); Caudata (newts and salamanders); and order Gymnophonia (caecilians). Part 2 is essential reading before you start surveying. It introduces the different types of survey and monitoring programmes and discusses survey aims and resources. It contains chapters on collecting and handling survey data; survey permissions and licencing; health and safety, and biosecurity; and handling amphibians. Part 3 discusses everything you need to know during your survey, and provides a detailed look at amphibian survey methods. Part 4 covers presenting and using your survey's data to best effect. A useful resources section is also provided, with example survey forms and details of additional information resources that will optimize the impacts of your surveys. Key amphibian survey techniques are discussed with reference to published examples of successful surveys - so you'll be able to choose what's right for your situation. Tips on optimizing your survey effort and handling amphibians in the field are also included. Whether carrying out a student expedition project or seeking information to support the management of a protected area, this book contains essential advice from an amphibian ecologist who has encountered the same sorts of decisions you'll face when planning your surveys.

Amphibian Survey and Monitoring Handbook (Paperback): John W. Wilkinson Amphibian Survey and Monitoring Handbook (Paperback)
John W. Wilkinson
R958 Discovery Miles 9 580 Ships in 12 - 19 working days

"Evidence bases for conservation are becoming increasingly important to convince landowners and politicians of the need to take action in defence of species and habitats all around the world. A valuable feature of this book is its emphasis on collecting and analysing such essential information." Trevor Beebee, Phyllomedusa Amphibians are among the most globally endangered groups of vertebrates with more than one-third of species being assessed as declining or threatened. Often, amphibian declines can be attributed to a suite of interacting factors, many of which are human in origin, but further information is needed to elaborate the key causes and to discover ways of reversing declines. Robust surveys provide vital ecological and biological data on amphibian populations, and underpin the decisions made to protect species and reverse their declines. Ongoing monitoring informs land managers and decision makers about whether they are taking the right action. This book is designed to help you carry out amphibian surveying and monitoring so that the results of your surveys can be used effectively. Part 1 introduces amphibians: order Anura (frogs and toads); Caudata (newts and salamanders); and order Gymnophonia (caecilians). Part 2 is essential reading before you start surveying. It introduces the different types of survey and monitoring programmes and discusses survey aims and resources. It contains chapters on collecting and handling survey data; survey permissions and licencing; health and safety, and biosecurity; and handling amphibians. Part 3 discusses everything you need to know during your survey, and provides a detailed look at amphibian survey methods. Part 4 covers presenting and using your survey's data to best effect. A useful resources section is also provided, with example survey forms and details of additional information resources that will optimize the impacts of your surveys. Key amphibian survey techniques are discussed with reference to published examples of successful surveys - so you'll be able to choose what's right for your situation. Tips on optimizing your survey effort and handling amphibians in the field are also included. Whether carrying out a student expedition project or seeking information to support the management of a protected area, this book contains essential advice from an amphibian ecologist who has encountered the same sorts of decisions you'll face when planning your surveys.

The Last Butterflies - A Scientist's Quest to Save a Rare and Vanishing Creature (Hardcover): Nick Haddad The Last Butterflies - A Scientist's Quest to Save a Rare and Vanishing Creature (Hardcover)
Nick Haddad
R685 R584 Discovery Miles 5 840 Save R101 (15%) Ships in 12 - 19 working days

A remarkable look at the rarest butterflies, how global changes threaten their existence, and how we can bring them back from near-extinction Most of us have heard of such popular butterflies as the Monarch or Painted Lady. But what about the Fender’s Blue? Or the St. Francis’ Satyr? Because of their extreme rarity, these butterflies are not well-known, yet they are remarkable species with important lessons to teach us. The Last Butterflies spotlights the rarest of these creatures—some numbering no more than what can be held in one hand. Drawing from his own first-hand experiences, Nick Haddad explores the challenges of tracking these vanishing butterflies, why they are disappearing, and why they are worth saving. He also provides startling insights into the effects of human activity and environmental change on the planet’s biodiversity. Weaving a vivid and personal narrative with ideas from ecology and conservation, Haddad illustrates the race against time to reverse the decline of six butterfly species. Many scientists mistakenly assume we fully understand butterflies’ natural histories. Yet, as with the Large Blue in England, we too often know too little and the conservation consequences are dire. Haddad argues that a hands-off approach is not effective and that in many instances, like for the Fender’s Blue and Bay Checkerspot, active and aggressive management is necessary. With deliberate conservation, rare butterflies can coexist with people, inhabit urban fringes, and, in the case of the St. Francis’ Satyr, even reside on bomb ranges and military land. Haddad shows that through the efforts to protect and restore butterflies, we might learn how to successfully confront conservation issues for all animals and plants. A moving account of extinction, recovery, and hope, The Last Butterflies demonstrates the great value of these beautiful insects to science, conservation, and people.

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