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

Cumulative Effects in Wildlife Management - Impact Mitigation (Hardcover, New): Paul R. Krausman, Lisa K. Harris Cumulative Effects in Wildlife Management - Impact Mitigation (Hardcover, New)
Paul R. Krausman, Lisa K. Harris
R5,493 Discovery Miles 54 930 Ships in 10 - 15 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 practitioners charged with protecting wildlife in the face of

A Complete Guide to Antarctic Wildlife (Hardcover): Hadoram Shirihai A Complete Guide to Antarctic Wildlife (Hardcover)
Hadoram Shirihai
R1,500 R1,129 Discovery Miles 11 290 Save R371 (25%) Ships in 10 - 15 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.

An Introduction to Conservation Biology (Paperback, 3rd Revised edition): Anna Sher An Introduction to Conservation Biology (Paperback, 3rd Revised edition)
Anna Sher
R3,254 Discovery Miles 32 540 Ships in 9 - 17 working days

An Introduction to Conservation Biology is the only text designed for both aspiring conservation biologists and non-majors who are interested in this topical field, providing up-to-date perspectives on high-profile issues such as sustainable development, global warming, and strategies to save species on the verge of extinction. The book focuses successively on biological diversity and its value; threats to biological diversity; conservation at the population and species levels; protecting, managing and restoring ecosystems; and sustainable development. Each chapter is beautifully illustrated in full color with diverse examples from the current literature. Chapters begin with guiding conservation biology principles and end with study aids such as summaries, an annotated list of suggested readings, and discussion questions. Throughout, the authors maintain a focus on the active role that scientists, local people, conservation organizations, government, and the general public play in protecting biodiversity, even while providing for human needs.

Beavers - Ecology, Behaviour, Conservation, and Management (Hardcover): Frank Rosell, Roisin Campbell-Palmer Beavers - Ecology, Behaviour, Conservation, and Management (Hardcover)
Frank Rosell, Roisin Campbell-Palmer
R3,195 Discovery Miles 31 950 Ships in 10 - 15 working days

Beavers are represented by two extant species, the Eurasian beaver (Castor fiber) and the North American beaver (Castor canadensis); each has played a significant role in human history and dominated wetland ecology in the northern hemisphere. Their behaviour and ecology both fascinate and perhaps even infuriate, but seemingly never fail to amaze. Both species have followed similar histories from relentless persecution to the verge of extinction (largely through hunting), followed by their subsequent recovery and active restoration which is viewed by many as a major conservation success story. Beavers have now been reintroduced throughout Europe and North America, demonstrating that their role as a keystone engineer is now widely recognised with proven abilities to increase the complexity and biodiversity of freshwater ecosystems. What animals other than humans can simultaneously act as engineers, forest workers, carpenters, masons, creators of habitats, and nature managers? Over the last 20 years, there has been a huge increase in the number of scientific papers published on these remarkable creatures, and an authoritative synthesis is now timely. This accessible text goes beyond their natural history to describe the impacts on humans, conflict mitigation, animal husbandry, management, and conservation. Beavers: Ecology, Behaviour, Conservation, and Management is an accessible reference for a broad audience of professional academics (especially carnivore and mammalian biologists), researchers and graduate students, governmental and non-governmental wildlife bodies, and amateur natural historians intrigued by these wild animals and the extraordinary processes of nature they exemplify.

Remembering Cheetahs (Hardcover): Margot Raggett Remembering Cheetahs (Hardcover)
Margot Raggett
R980 R833 Discovery Miles 8 330 Save R147 (15%) Ships in 5 - 10 working days
Carnivoran Ecology - The Evolution and Function of Communities (Paperback): Steven W. Buskirk Carnivoran Ecology - The Evolution and Function of Communities (Paperback)
Steven W. Buskirk
R1,291 Discovery Miles 12 910 Ships in 9 - 17 working days

These charismatic mammals, which include dogs, cats, hyenas, weasels, mongooses, seals, sea lions and bears, have always held special importance to humans throughout history and continue to do so today. In recent decades, the emergence of new technologies has completely transformed our knowledge of how carnivorans interact with their environments and consequently reshaped our view of carnivoran ecology. This unique synthesis uses examples from a diverse and expanding carnivoran literature, drawing from all carnivoran families and spanning the world's oceans and continents, to produce a clearly written and richly illustrated book that reviews our current state of knowledge of carnivoran ecology. It addresses all levels of biological organization and function, from genes to enzymes, organisms, populations, and ecosystems. Special attention is given to how carnivoran species interact with their prey, each other, and humans. There is an emphasis on community interactions and their importance in carnivoran evolution, showing how evolutionary constraints (morphological, physiological, and behavioral) structure communities today. The book's approach is strongly comparative, contrasting herbivores with carnivores, predators with scavengers, and cats with dogs. Carnivorans play important roles in many high-profile conservation cases, either as species of concern or agents of endangerment, and their importance is demonstrated in both contexts. Carnivoran Ecology is an accessible advanced textbook aimed principally at senior undergraduate and graduate students taking courses in carnivore ecology, as well as a broad audience of professional academics (especially carnivore and mammalian biologists), researchers, and practitioners working in both governmental and non-governmental organizations. A significant secondary market will exist amongst the large amateur naturalist community including those wishing to explore the ecological and evolutionary links between domestic carnivorans (dogs, cats, ferrets etc.) and their wild counterparts.

Population Dynamics for Conservation (Paperback): Louis W. Botsford, J. Wilson White, Alan Hastings Population Dynamics for Conservation (Paperback)
Louis W. Botsford, J. Wilson White, Alan Hastings
R1,655 Discovery Miles 16 550 Ships in 10 - 15 working days

The management and conservation of natural populations relies heavily on concepts and results generated from models of population dynamics. Yet this is the first book to present a unified and coherent explanation of the underlying theory. This novel text begins with a consideration of what makes a good state variable, progressing from the simplest models (those with a single variable such as abundance or biomass) to more complex models with other key variables of population structure (including age, size, life history stage, and space). Throughout the book, attention is paid to concepts such as population variability, population stability, population viability/persistence, and harvest yield. Later chapters address specific applications to conservation such as recovery planning for species at risk, fishery management, and the spatial management of marine resources. Population Dynamics for Conservation is suitable for graduate-level students. It will also be valuable to academic and applied researchers in population biology. This overview of population dynamic theory can serve to further their population research, as well as to improve their understanding of population management.

Whales and Dolphins - Cognition, Culture, Conservation and Human Perceptions (Hardcover): Philippa Brakes, Mark Peter Simmonds Whales and Dolphins - Cognition, Culture, Conservation and Human Perceptions (Hardcover)
Philippa Brakes, Mark Peter Simmonds
R4,649 Discovery Miles 46 490 Ships in 10 - 15 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.

Plant Conservation - An Ecosystem Approach (Paperback): Alan Hamilton Plant Conservation - An Ecosystem Approach (Paperback)
Alan Hamilton
R1,785 Discovery Miles 17 850 Ships in 10 - 15 working days

In this, the latest in the People and Plants series, plant conservation is described in the context of livelihoods and development, and ways of balancing the conservation of plant diversity with the use of plants and the environment for human benefit are discussed. A central contention in this book is that local people must be involved if conservation is to be successful. Also examined are ways of prioritizing plants and places for conservation initiatives, approaches to in situ and ex situ conservation, and how to approach problems of unsustainable harvesting of wild plants. Roles for botanists, foresters, sociologists, development workers and others are discussed. This book acts as a unifying text for the series, integrating case studies and methodologies considered in previous volumes and pointing out in a comprehensive, accessible volume the valuable lessons to be learned.

River Ecology - Science and Management for a Changing World (Paperback): Michael A. Mallin River Ecology - Science and Management for a Changing World (Paperback)
Michael A. Mallin
R1,300 Discovery Miles 13 000 Ships in 9 - 17 working days

Rivers have been vitally important to human populations worldwide for millennia as “highways” for inland travel, and as sources of water for drinking, cooking, cleaning, manufacturing, irrigation, and power generation, as well as repositories for human, animal, and industrial wastes. This accessible textbook takes a broad approach to river ecology, covering the basics but going beyond by including topics that are often overlooked such as blackwater streams and rivers, tidal creek ecosystems, and reservoir limnology. Since most running water (lotic) systems have been altered or impacted by human activities, there is significant emphasis on anthropogenic impacts, including sedimentation, nutrient pollution and related eutrophication issues as well as the effects of dams and river fragmentation, power plant operations, chemical contamination, wastewater treatment discharges, industrial scale livestock production, invasive species, and rural and urban storm water runoff on river ecosystems. Advances in stream and river restoration are also discussed.

Sacred Natural Sites - Conserving Nature and Culture (Paperback): Bas Verschuuren, Jeffrey McNeely, Gonzalo Oviedo, Robert Wild Sacred Natural Sites - Conserving Nature and Culture (Paperback)
Bas Verschuuren, Jeffrey McNeely, Gonzalo Oviedo, Robert Wild
R1,820 Discovery Miles 18 200 Ships in 10 - 15 working days

Sacred Natural Sites are the world's oldest protected places. This book focuses on a wide spread of both iconic and lesser known examples such as sacred groves of the Western Ghats (India), Sagarmatha /Chomolongma (Mt Everest, Nepal, Tibet - and China), the Golden Mountains of Altai (Russia), Holy Island of Lindisfarne (UK) and the sacred lakes of the Niger Delta (Nigeria). The book illustrates that sacred natural sites, although often under threat, exist within and outside formally recognised protected areas, heritage sites. Sacred natural sites may well be some of the last strongholds for building resilient networks of connected landscapes. They also form important nodes for maintaining a dynamic socio-cultural fabric in the face of global change. The diverse authors bridge the gap between approaches to the conservation of cultural and biological diversity by taking into account cultural and spiritual values together with the socio-economic interests of the custodian communities and other relevant stakeholders.

How to Live Plastic Free - a day in the life of a plastic detox (Paperback): Luca Bonaccorsi, Marine Conservation Society How to Live Plastic Free - a day in the life of a plastic detox (Paperback)
Luca Bonaccorsi, Marine Conservation Society 1
R363 R327 Discovery Miles 3 270 Save R36 (10%) Ships in 9 - 17 working days

'Read this book, think and then act - it's our only hope.' Chris Packham, MCS Ocean Ambassador Thank you for choosing this book - it shows that you care about the future of our planet. Whether you decide to go plastic free for an hour, a day or a year, this book will equip you with little steps we can each take to make a big difference. Let's turn the tide on plastic now - our oceans will thank you for it. Choking. Starving. Poisoning. This is what plastic litter is doing to marine life. Our oceans are, quite simply, facing environmental disaster. Yet by taking some simple steps and making a few changes to your daily routine, you can help to change this. How to Live Plastic Free will teach you everything you need to know about reducing your plastic usage on a daily basis. The chapters start with a typical morning routine and take you through your day, giving you tips and practical advice for removing unnecessary plastic at every possible opportunity. From the moment you wake up to the time you go to bed, you will learn how easy it can be to use plastic-free cosmetics, how to have plastic-free mealtimes, how to change your shopping habits and how to consider your use of plastic items at work. These simple, practical methods will show that small changes to your lifestyle can make a huge change to the future of our planet.

The Glorious Life of the Oak (Hardcover): John Lewis-Stempel The Glorious Life of the Oak (Hardcover)
John Lewis-Stempel 1
R338 R306 Discovery Miles 3 060 Save R32 (9%) Ships in 9 - 17 working days

AS FEATURED ON 'BBC RADIO 4 'GOOD READS'. Woodlands Awards 2019: Woodland Books of the Year 'The oak is the wooden tie between heaven and earth. It is the lynch pin of the British landscape.' The oak is our most beloved and most common tree. It has roots that stretch back to all the old European cultures but Britain has more ancient oaks than all the other European countries put together. More than half the ancient oaks in the world are in Britain. Many of our ancestors - the Angles, the Saxons, the Norse - came to the British Isles in longships made of oak. For centuries the oak touched every part of a Briton's life - from cradle to coffin It was oak that made the 'wooden walls' of Nelson's navy, and the navy that allowed Britain to rule the world. Even in the digital Apple age, the real oak has resonance - the word speaks of fortitude, antiquity, pastoralism. The Glorious Life of the Oak explores our long relationship with this iconic tree; it considers the life-cycle of the oak, the flora and fauna that depend on the oak, the oak as medicine, food and drink, where Britain's mightiest oaks can be found, and it tells of oak stories from folklore, myth and legend.

Wild and Wonderful - Around the World with Eanna (Paperback): Eanna Ni Lamhna Wild and Wonderful - Around the World with Eanna (Paperback)
Eanna Ni Lamhna; Cover design or artwork by Linda Fahrlin
R425 R397 Discovery Miles 3 970 Save R28 (7%) Ships in 9 - 17 working days

Glow-in-the-dark owls, eggs boiling in Icelandic hot pools, the gangster tactics of the devil's coach-horse beetle ... Eanna Ni Lamhna has seen them all! Eanna explores the wonders of our wild world, from a safari in Tanzania to the cloud forests of Costa Rica, from rat-hunting in Canada to whale watching in New Zealand. She draws on her experience as a diver to tell of face-to-face encounters with fascinating fan worms, elusive sea hares and a murderous crab, and rings the alarm bells on the environmental challenges facing us. Eanna also recounts with cheerful relish the pitfalls and delights of being a broadcaster and a scientist. Sure why would anyone want to be anything else?

Plant Evolution in the Mediterranean - Insights for conservation (Paperback, 2nd Revised edition): John D. Thompson Plant Evolution in the Mediterranean - Insights for conservation (Paperback, 2nd Revised edition)
John D. Thompson
R1,962 Discovery Miles 19 620 Ships in 10 - 15 working days

Since the first edition of this book published in 2005, there has been an immense amount of new and fascinating work on the history, ecology, and evolution of the Mediterranean flora. During this time, human impacts have continued to increase dramatically, significantly influencing both the ecology and evolution of the region's biota. This timely and comprehensive update of the original text integrates a diverse and scattered literature to produce a synthetic account of Mediterranean plant evolutionary ecology. It maintains the accessible style of its previous version whilst incorporating recent work in a new structural framework. This is not a traditional "plant science" book per se, but a novel integration of history, ecology, biogeography, and evolution, all set in the context of a dramatically increasing human footprint. There is a particular emphasis on the role of human activities as an ecological factor and their subsequent impact on plant evolution. Conversely, it demonstrates how an understanding of the evolutionary ecology of the region's flora can be used to provide insights into its future conservation and management. Plant Evolution in the Mediterranean is aimed at all those who are interested in the biology of the Mediterranean region, whether it is taxonomy, ecology, evolution, conservation policy and management, or the regional history of its biodiversity in general. It will be of relevance and use to all graduate students and researchers of Mediterranean-type ecosystem ecology and geography, as well as professional ecologists, evolutionary biologists, conservation biologists, and environmental practitioners requiring a concise, authoritative overview of the topic.

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
R482 R457 Discovery Miles 4 570 Save R25 (5%) Ships in 18 - 22 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.

Hunting Wildlife in the Tropics and Subtropics (Paperback): Julia E. Fa, Stephan M. Funk, Robert Nasi Hunting Wildlife in the Tropics and Subtropics (Paperback)
Julia E. Fa, Stephan M. Funk, Robert Nasi
R1,334 Discovery Miles 13 340 Ships in 10 - 15 working days

The hunting of wild animals for their meat has been a crucial activity in the evolution of humans. It continues to be an essential source of food and a generator of income for millions of Indigenous and rural communities worldwide. Conservationists rightly fear that excessive hunting of many animal species will cause their demise, as has already happened throughout the Anthropocene. Many species of large mammals and birds have been decimated or annihilated due to overhunting by humans. If such pressures continue, many other species will meet the same fate. Equally, if the use of wildlife resources is to continue by those who depend on it, sustainable practices must be implemented. These communities need to remain or become custodians of the wildlife resources within their lands, for their own well-being as well as for biodiversity in general. This title is also available via Open Access on Cambridge Core.

Marine Policy - An Introduction to Governance and International Law of the Oceans (Paperback, 3rd Edition): Mark Zacharias,... Marine Policy - An Introduction to Governance and International Law of the Oceans (Paperback, 3rd Edition)
Mark Zacharias, Jeff Ardron
R1,765 R1,629 Discovery Miles 16 290 Save R136 (8%) Ships in 5 - 10 working days

This book provides readers with a foundation in policy development and analysis, describing how policy, including legal mechanisms, are applied to the marine environment. It presents a systematic treatment of all aspects of marine policy, including climate change, energy, environmental protection, fisheries, mining and transportation.

The health of marine environments worldwide is steadily declining, and these trends have been widely reported. Marine Policy summarizes the importance of the ocean governance nexus, discussing current and anticipated challenges facing marine ecosystems, human activities, and efforts to address these threats. This new, fully revised edition has been updated throughout, including content to reflect the recent advances in ocean management and international law. Chapters on shipping, energy/mining and integrated approaches to ocean management have been significantly reworked, plus completely new chapters on the United Nations Convention on the Law of the Sea, and the impacts of climate change have been added. Pedagogical features for students are included throughout.

Aligned with current course offerings, this book is an ideal introduction for undergraduates and graduate students taking marine affairs, science and policy courses.

Table of Contents

1. An Introduction to the World Ocean

2. A Brief Introduction to the Marine Environment

3. An Introduction to International Law and International Marine Law

4. The United Nations Convention on the Law of the Sea and related agreements

5. An Introduction to Policy and Policy Development

6. Marine Environmental Protection Policy

7. Addressing Climate Change and its Impacts on the World Ocean

8. International Fisheries Policy

9. Marine Transportation and Safety Policy

10. International Law and Policy of the Polar Oceans

11. International Law and Policy related to Offshore Energy and Mining

12. Integrated Approaches to Ocean Management

Conclusions

Shearwater - A Bird, an Ocean, and a Long Way Home (Hardcover): Roger Morgan-Grenville Shearwater - A Bird, an Ocean, and a Long Way Home (Hardcover)
Roger Morgan-Grenville
R490 R446 Discovery Miles 4 460 Save R44 (9%) Ships in 9 - 17 working days

'Shearwater is sheer delight, a luminous portrait of a magical seabird which spans the watery globe' Daily Mail. 'Charming and impassioned ... a rich tribute to an extraordinary bird.' Horatio Clare, author of A Single Swallow and Heavy Light. A very personal mix of memoir and natural history from the author of Liquid Gold. Ten weeks into its life, a Manx shearwater chick will emerge from its burrow and fly 8,000 miles from the west coast of the British Isles to the South Atlantic. It will be unlikely to touch land again for four years. Part memoir, part homage to wilderness, Shearwater traces the author's 50-year obsession with one of nature's supreme travellers. In the finest tradition of nature writing, Roger Morgan-Grenville, author of Liquid Gold - described by Mary Colwell (Curlew Moon) as 'a book that ignites joy and warmth' - unpicks the science behind its incredible journey; and into the story of a year in the shearwater's life, he threads the inspirational influence of his Hebridean grandmother who instilled in him a love of wild places and wild animals. Full of lightly-worn knowledge, acute human observation and self-deprecating humour, Shearwater brings to life a truly mysterious and charismatic bird.

Island Biogeography - Geo-environmental Dynamics, Ecology, Evolution, Human Impact, and Conservation (Paperback, 3rd Revised... Island Biogeography - Geo-environmental Dynamics, Ecology, Evolution, Human Impact, and Conservation (Paperback, 3rd Revised edition)
Robert J. Whittaker, José María Fernández-Palacios, Thomas J. Matthews
R1,466 Discovery Miles 14 660 Ships in 9 - 17 working days

Island biogeography is the study of the distribution and dynamics of species in island environments. Due to their isolation from more widespread continental species, islands are ideal places for unique species to evolve, but they are also places of concentrated extinction. Consequently, they are widely studied by ecologists, evolutionary biologists, and conservationists. This accessible textbook builds on the success and reputation of its predecessors, documenting the recent advances in this exciting field and explaining how islands have contributed to both theory development and testing. In addition, the book describes the main processes of island formation, subsequent dynamics, and eventual demise, explaining the relevance of island environmental history to island biogeography. The authors demonstrate the significance of islands as hotspots of biodiversity and of prehistoric and historic anthropogenic extinction. Since island species continue to feature disproportionally in the lists of threatened species today, the book examines both the chief threats to their persistence and some of the mitigation measures that can be put in play, with conservation strategies specifically tailored to islands.

The Biology and Ecology of Streams and Rivers (Paperback, 2 Revised Edition): Alan Hildrew, Paul Giller The Biology and Ecology of Streams and Rivers (Paperback, 2 Revised Edition)
Alan Hildrew, Paul Giller
R1,318 Discovery Miles 13 180 Ships in 9 - 17 working days

The challenges that the world's running water systems now face have never been more numerous or acute; at the same time, these complex habitats remain absolutely crucial to human wellbeing and future survival. If rivers can ever be anything like sustainable, ecology needs to take its place as an equal among the physical sciences such as hydrology and geomorphology. A real understanding of the natural history and ecology of running waters must now be brought even more prominently into river management. The primary purpose of this textbook is to provide the up-to-date overview that students and practitioners will require to achieve this aim. The book's unifying focus is on rivers and streams as ecosystems in which the particular identity of organisms is not the main emphasis but rather the processes in which they are involved - specifically energy flow and the cycling of materials. It builds on the physicochemical foundations of the habitat templet and explores the diversity and adaptations of the biota, progressing from the population and community ecology of organisms and linking them to ecosystem processes and services in the wider biosphere via the complexities of species interactions and food webs. These include water quality and patterns of river discharge, as well as aesthetics, waste disposal, and environmental health. While the book is not primarily focused on application per se, each chapter addresses how humans affect rivers and, in turn, are affected by them. A final, future-oriented chapter identifies key strategic areas and sets a roadmap for integrating knowledge of natural history and ecology into policy and management. The Biology and Ecology of Streams and Rivers is an accessible text suitable for both senior undergraduate and graduate students taking courses in both lotic and general ecology as well as more established researchers, practitioners, managers, and conservationists requiring a concise and contemporary overview of running waters.

Never Home Alone - From Microbes to Millipedes, Camel Crickets, and Honeybees, the Natural History of Where We Live... Never Home Alone - From Microbes to Millipedes, Camel Crickets, and Honeybees, the Natural History of Where We Live (Hardcover)
Rob Dunn 1
R734 R675 Discovery Miles 6 750 Save R59 (8%) Ships in 10 - 15 working days

It's the dream scenario for many of us after a long week: having the house completely to ourselves. No partners, no parents, no kids, no pets. But as we settle into the couch, something stirs: maybe a mouse darts out from under a cupboard, or a fly buzzes lazily past the window. We're not actually alone at all. Until quite recently, no one had taken the life that lives with us very seriously: until Rob Dunn and his team decided to take a closer look. Upon investigating the terra incognita of our homes, they discovered that there are nearly 200,000 species living in our bedrooms, kitchens, living areas, bathrooms, and basements. Some of these species can kill us. Some benefit us. And some seem simply benign. But almost all of them were completely unknown--and they've been living alongside us the whole time. In Never Home Alone, biologist Rob Dunn takes us to the edge of biology's latest frontier: our own homes. Every house is a wilderness--from the Egyptian meal moths in our cupboards, to the camel crickets living in the basement, to the antibiotic-resistant Staphylococcus waiting on the kitchen counter, thousands of species of insects, bacteria, fungi, and plants live literally under our noses. As we have become increasingly obsessed with cleaning and sterilizing our homes and separating our living spaces from nature, we have unwittingly cultivated an entirely new playground for evolution. Unfortunately, this means that we have created a range of new parasites, from antibiotic-resistant microbes to nearly impossible to kill cockroaches, to threaten ourselves with. At the same time, many of the more helpful organisms--such as microbes that can protect us from autoimmune diseases or promote healthy digestion, or the centipedes that can hunt down those pesky roaches--are caught in the crosshairs. If we're not careful, the "healthier" we try to make our homes, the more likely we'll be putting our own health at risk. A rich natural history and a thrilling scientific investigation, Rob Dunn's Never Home Alone shows us that if are to truly thrive in our homes, we must learn to welcome the unknown guests that have been there the whole time.

Routledge Revivals: Wildlife Management in Savannah Woodland (1979) (Paperback): S. S. Ajayi, L.B. Halstead Routledge Revivals: Wildlife Management in Savannah Woodland (1979) (Paperback)
S. S. Ajayi, L.B. Halstead
R1,132 Discovery Miles 11 320 Ships in 10 - 15 working days

Originally published in 1979, Wildlife Management in Savannah Woodland provides a multidisciplinary approach to the environment. Developed by local scientists with a deep knowledge and understanding of the local situation, the book provides a pragmatic and realistic approach to West African conditions.

A Perfect Planet (Hardcover): Huw Cordey A Perfect Planet (Hardcover)
Huw Cordey; Foreword by Alastair Fothergill
R799 R705 Discovery Miles 7 050 Save R94 (12%) Ships in 9 - 17 working days

Accompanying a major 5-part BBC series presented by David Attenborough and produced by the team behind Planet Earth and Blue Planet, Perfect Planet is an exploration of the unique conditions that make life on earth possible, and how our wildlife is perfectly adapted to its environment.

There is no place like home.The conditions of Earth are not just good for life, they are perfect. Everything about our planet - its size, its distance from the Sun, its spin and tilt, its moon - is perfectly suited to our existence, and our planet's forces serve to nurture its spectacular biodiversity. APerfect Planet shows in stunning detail how Earth has always been more than the sum of its parts. Unlike any other astronomical body, it is a living world.

Focusing on four key natural forces - global weather systems distributing fresh water to all corners; marine currents delivering nutrients to the deepest reaches of the ocean; solar energy warming and electrifying everything it touches; and volcanic activity fertilising the earth's surface - Huw Cordey reveals to us new levels of this living world, a place populated with astonishing characters living remarkable lives. From Arctic wolves prowling moonlit landscapes or wood frogs, frozen in winter and magically thawing back to life, to flamingos flying thousands of miles to a vast volcanic lake in Africa to breed, we see time and again how animals are perfectly adapted to whatever the environment throws at them.

Packed with over 250 full-colour images, and including a foreword by David Attenborough and stills from the BBC series' spectacular footage, APerfect Planet is a stunning exploration of life on Earth - life that is increasingly precious and rare.

Hunting for Sustainability in Tropical Forests (Paperback): John Robinson, Elizabeth Bennett Hunting for Sustainability in Tropical Forests (Paperback)
John Robinson, Elizabeth Bennett
R1,671 Discovery Miles 16 710 Ships in 18 - 22 working days

Throughout the world people are concerned about the demise of tropical forests and their wildlife. Hunting by forest-dwelling people has a dramatic effect on wildlife in many tropical forests, frequently driving species to local extinction, with devastating implications for other species and the health of the forests themselves. But wildlife is an important source of protein and cash for rural peoples. Can hunting be managed to conserve biological communities while meeting human needs? Are hunting rates as practiced by tropical forest peoples sustainable? If not, what are the biological, social, and cultural implications of this failure? Answering these questions is ever more important as national and international agencies seek to integrate the development of local peoples with the conservation of tropical forest systems and species.

This book presents a wide array of studies that examine the sustainability of hunting as practiced by rural peoples. Comprising work by both biological and social scientists, "Hunting for Sustainability in Tropical Forests" provides a balanced viewpoint on the ecological and human aspects of this hunting. The first section examines the effects of hunting on wildlife in tropical forests throughout the world. The next section looks at the importance of hunting to local communities. The third section looks at institutional challenges of resource management, while the fourth draws on economic perspectives to understand both hunting and sustainability. A final section provides synthesis and summary of the factors that influence sustainability and the implications for management.

Drawing on examples from Ecuador to Congo-Zaire to Sulawesi, "Hunting for Sustainability in Tropical Forests" will be a valuable resource to policymakers, conservation organizations, and students and scholars of biology, ecology, and anthropology.

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