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

Threatened and Recently Extinct Vertebrates of the World - A Biogeographic Approach (Hardcover): Matthew Richardson Threatened and Recently Extinct Vertebrates of the World - A Biogeographic Approach (Hardcover)
Matthew Richardson
R2,775 Discovery Miles 27 750 Ships in 10 - 15 working days

Habitat loss and degradation are currently the main anthropogenic causes of species extinctions. The root cause is human overpopulation. This unique volume provides, for the very first time, a comprehensive overview of all threatened and recently extinct mammals, birds, reptiles, amphibians, and fishes within the context of their locations and habitats. The approach takes a systematic examination of each biogeographic realm and region of the world, both terrestrial and marine, but with a particular emphasis on geographic features such as mountains, islands, and coral reefs. It reveals patterns useful in biodiversity conservation, helps to put it all into perspective, and ultimately serves as both a baseline from which to compare subsequent developments as well as a standardization of the way threatened species are studied.

National Park Science - A Century of Research in South Africa (Hardcover): Jane Carruthers National Park Science - A Century of Research in South Africa (Hardcover)
Jane Carruthers
R2,398 Discovery Miles 23 980 Ships in 10 - 15 working days

South Africa is renowned for its wildlife and environmental conservation in iconic national parks such as the Kruger, one of the world's first formal protected areas. However, this is the first book to thoroughly analyse and explain the interesting and changing scientific research that has been accomplished in South Africa's national parks during the twentieth century. Providing a fascinating and thorough historical narrative based on an extensive range of sources, this text details the evolution of traditional natural history pursuits to modern conservation science in South Africa, covering all research areas of conservation biology and all the national parks around the country. It reveals the interaction between the international context, government, learning institutions and the public that has shaped the present conservation arena. A complex story that will interest and inform not only those involved in conservation science of South Africa, but worldwide.

The Private Life of the Hare (Hardcover): John Lewis-Stempel The Private Life of the Hare (Hardcover)
John Lewis-Stempel 1
R312 R283 Discovery Miles 2 830 Save R29 (9%) Ships in 9 - 17 working days

THE PERFECT GIFT FOR NATURE LOVERS 'To see a hare sit still as stone, to watch a hare boxing on a frosty March morning, to witness a hare bolt . . . these are great things. Every field should have a hare.' The hare, a night creature and country-dweller, is a rare sight for most people. We know them only from legends and stories. They are shape-shifters, witches' familiars and symbols of fertility. They are arrogant, as in Aesop's The Hare and the Tortoise, and absurd, as in Lewis Carroll's Mad March Hare. In the absence of observed facts, speculation and fantasy have flourished. But real hares? What are they like? In The Private Life of the Hare, John Lewis-Stempel explores myths, history and the reality of the hare. And in vivid, elegant prose he celebrates how, in an age when television cameras have revealed so much in our landscape, the hare remains as elusive and magical as ever.

An Introduction to Tropical Rain Forests (Paperback, 2nd Revised edition): T.C. Whitmore An Introduction to Tropical Rain Forests (Paperback, 2nd Revised edition)
T.C. Whitmore
R1,969 Discovery Miles 19 690 Ships in 10 - 15 working days

This new edition of Whitmore's classic introduction to tropical rain forests has been comprehensively revised and updated, reflecting the changes which have taken place since it was first published in 1990. The sections on human impact have been extended, including a new global assessment of deforestation, and details of new research on biodiversity and conservation. The book remains unique in linking rain forest biology and ecology with silviculture, and with concerns over sustainable resource utilization and the future of the tropical rain forests. Accessibly written and illustrated throughout, it is a must for biology and geography students, and anyone who seeks to know more about the nature and importance of the world's tropical rain forests.

Wildlife Issues in a Changing World (Paperback, 2nd edition): James Sanderson, Michael Moulton Wildlife Issues in a Changing World (Paperback, 2nd edition)
James Sanderson, Michael Moulton
R2,267 Discovery Miles 22 670 Ships in 10 - 15 working days

Students of conservation encounter some of the most complex issues on our planet. The resolution of existing problems become more complex when humans create further stresses on the natural balance. Moulton and Sanderson brought the challenging issues in wildlife conservation into greater clarity in Wildlife Issues in a Changing World.
The Second Edition of this definitive reference focuses more closely on the causes of wildlife issues. The examination of Jared Diamond's "Evil Quartet" (the four principal causes of extinction) provides a framework for categorizing and resolving these issues. The authors encourage the use of the scientific method basis for resolution - especially where environmental laws have failed.
The three new chapters provide further counterpoints to preconceived notions. A two-part history of wildlife in the U.S. shows how wildlife had already been decimated by the year 1900. "Can Humans Manage Wildlife?" questions efforts to revive endangered species, acts which may inadvertently jeopardize the survival of other life.
Viewing the natural order from prehistoric times to the present, Wildlife Issues in a Changing World, Second Edition gives students and instructors an all-encompassing introduction to past relations between humans and nature; explorations of current threats to species and their habitats; and recent "novel solutions," where humanity and industry have made adjustments to protect the natural order. Professionals will also find invaluable reminders of the importance of their work - the continuation and endurance of wildlife everywhere on Earth.

Keepers of the Wolves (Paperback): Richard P. Thiel Keepers of the Wolves (Paperback)
Richard P. Thiel
R518 Discovery Miles 5 180 Ships in 18 - 22 working days

It was 1978, and gray wolves had been extinct in Wisconsin for twenty years. Still, there were rumors from the state's northwestern counties that they had returned. Dick Thiel, then a college student with a passion for wolves, was determined to find out. Keepers of the Wolves is his engrossing account of tracking and protecting the recovery of wolves in Wisconsin. Thiel conveys the wonder, frustrations, humor, and everyday hard work of field biologists, including the political and public relations pitfalls they regularly face. This new edition brings Thiel's story into the twenty-first century, recounting his work monitoring wolves as they spread to central Wisconsin, conflicts of wolves with landowners and recreationalists, changes in state and federal policies, the establishment of a state wolf-hunting season in 2012, and Thiel's forecast for the future of wolves in Wisconsin.

Wildlife Biodiversity Conservation - Multidisciplinary and Forensic Approaches (Paperback, 1st ed. 2021): Susan C.... Wildlife Biodiversity Conservation - Multidisciplinary and Forensic Approaches (Paperback, 1st ed. 2021)
Susan C. Underkoffler, Hayley R Adams
R4,779 Discovery Miles 47 790 Ships in 18 - 22 working days

This book addresses the multidisciplinary challenges in biodiversity conservation with a focus on wildlife crime and how forensic tools can be applied to protect species and preserve ecosystems. Illustrated by numerous case studies covering different geographical regions and species the book introduces to the fundamentals of biodiversity conflicts, outlines the unique challenges of wildlife crime scenes and reviews latest techniques in environmental forensics, such as DNA metagenomics. In addition, the volume explores the socio-economic perspective of biodiversity protection and provides an overview of national and international conservation laws. The field of conservation medicine stresses the importance of recognizing that human health, animal health, and ecosystem health are inextricably interdependent and the book serves as important contribution towards achieving the UN Sustainable Developmental Goals, in particular SDG 15, Life on Land. The book addresses graduate students, scientists and veterinary professionals working in wildlife research and conservation biology.

Hunting Wildlife in the Tropics and Subtropics (Hardcover): Julia E. Fa, Stephan M. Funk, Robert Nasi Hunting Wildlife in the Tropics and Subtropics (Hardcover)
Julia E. Fa, Stephan M. Funk, Robert Nasi
R2,676 Discovery Miles 26 760 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.

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
R1,279 Discovery Miles 12 790 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.

The Bahia Blanca Estuary - Ecology and Biodiversity (Paperback, 1st ed. 2021): Sandra M. Fiori, Paula D Pratolongo The Bahia Blanca Estuary - Ecology and Biodiversity (Paperback, 1st ed. 2021)
Sandra M. Fiori, Paula D Pratolongo
R4,319 Discovery Miles 43 190 Ships in 18 - 22 working days

The Bahia Blanca Estuary is one of the largest coastal systems in Atlantic South America. This mesotidal estuary, situated in a sharp transition between humid subtropical and semiarid climates, has a unique combination of large interannual climatic variations. The estuarine area encompasses roughly 2300 square kilometers and is composed of wide expanses of intertidal flats, salt marshes, and emerged islands, which create intricate landscape patterns. Natural environments in the estuary sustain a high concentration of marine and terrestrial species, including endemic, threatened, and endangered fish and shorebirds. Puerto Cuatreros, in the inner zone of the estuary, hosts a permanent marine research station, whose records span more than 30 years of biophysical variables, and represent one of the largest time series of ecological data in South America. Beyond its ecological relevance, the Bahia Blanca Estuary is under increasing anthropogenic pressure from large urban settlements, industrial developments and harbors, raising the question of how to balance conservation and development. The Bahia Blanca Estuary: Ecology and Biodiversity offers a comprehensive review of life in the ecosystems of the estuary. The book is divided into five major sections, the first of which provides a description of the regional setting and covers key aspects of estuarine dynamics. The three following sections are dedicated to different habitat types and, within each section, the chapters are organized around major functional groups from pelagic and benthic environments. The fifth and final section covers issues related to management and conservation. Overall, the book provides essential and up-to-date reference material on the biodiversity and ecosystem processes of the Bahia Blanca Estuary, and will appeal to a broad international audience.

Urban Wild - 52 Ways to Find Wildness on Your Doorstep (Hardcover): Helen Rook Urban Wild - 52 Ways to Find Wildness on Your Doorstep (Hardcover)
Helen Rook
R553 Discovery Miles 5 530 Ships in 10 - 15 working days

Learn how to de-stress, relax and connect with the wildness you can find on your doorstep even in urban and suburban settings Increasing workload, nervous tension, trouble sleeping? Wondering whether there is more to life? You're not having a mid-life crisis. Like so many others, you are feeling the call of the wild. Today's urban living makes it easy for us to feel divorced from nature. This practical book is filled with 52 varied and inspiring activities illustrated with beautiful colour photographs that will get you out and about whatever the weather. Featuring a combination of creative, culinary, herbal and mindful projects, all with nature at their heart, you'll be surprised how much wildness you can find on your doorstep when you know where to look. Organised by month, Urban Wild's simple, seasonal, step-by-step activities open the door to nature in urban and suburban landscapes to help you increase your potential for health and wellbeing and take your first steps on a journey of discovery towards a lifelong connection with the natural world.

The Nature of Whiteness - Race, Animals, and Nation in Zimbabwe (Paperback): Yuka Suzuki The Nature of Whiteness - Race, Animals, and Nation in Zimbabwe (Paperback)
Yuka Suzuki; Series edited by K. Sivaramakrishnan
R974 Discovery Miles 9 740 Ships in 18 - 22 working days

The Nature of Whiteness explores the intertwining of race and nature in postindependence Zimbabwe. Nature and environment have played prominent roles in white Zimbabwean identity, and when the political tide turned against white farmers after independence, nature was the most powerful resource they had at their disposal. In the 1970s, "Mlilo," a private conservancy sharing boundaries with Hwange National Park, became the first site in Zimbabwe to experiment with "wildlife production," and by the 1990s, wildlife tourism had become one of the most lucrative industries in the country. Mlilo attained international notoriety in 2015 as the place where Cecil the Lion was killed by a trophy hunter. Yuka Suzuki provides a balanced study of whiteness, the conservation of nature, and contested belonging in twenty-first-century southern Africa. The Nature of Whiteness is a fascinating account of human-animal relations and the interplay among categories of race and nature in this embattled landscape.

Regional Fisheries Management Organizations - The interplay between governance and science (Paperback, 1st ed. 2021): Leandra... Regional Fisheries Management Organizations - The interplay between governance and science (Paperback, 1st ed. 2021)
Leandra R. Goncalves
R3,293 Discovery Miles 32 930 Ships in 18 - 22 working days

This book analyzes empirical data from three specific Regional Fisheries Management Organizations (RFMOs) designed to establish rules for the conservation and management of fish stocks in the ocean, in order to assess their effectiveness in converting science into policy for the recovery and maintenance of fishery populations. The three RFMOs discussed are the CCAMLR (Convention for the Conservation of Antarctic Marine Living Resources), the ICCAT (International Commission for the Conservation of Atlantic Tunas) and the CCSBT (Commission for the Conservation of Southern Bluefin Tuna). The book seeks to understand when governments choose to listen to science, and establishes a framework to examine the institutional designs currently in place to accommodate RFMO policy suggestions and the conditions under which they are implemented successfully. The study will be of interest to academics and professionals broadly interested in global environmental governance and international relations, and will specifically appeal to policymakers, conservationists, and environmental researchers interested in fishery management and policy at the global and regional scale. Goncalves provides an accessible and comprehensive analysis of RMFOs. She offers valuable insights into the role of science and politics in shaping sustainable fisheries policies for the open oceans. ---Peter M Haas, Professor Department of Political Science, University of Massachusetts Amherst As envisaged by the UN Decade of Ocean proclamation, this book is an important and sincere effort, hopefully to be accompanied by many others to come during this promising decade, that will help to build a common framework to ensure that ocean science can support countries and the international community in creating improved conditions for the sustainable development of our cherished Ocean. ---Fabio H. Hazin - Professor at Federal Rural University of Pernambuco, Brazil

What's Where on Earth? Animal Atlas - The World's Wildlife as You've Never Seen it Before (Hardcover): Dk What's Where on Earth? Animal Atlas - The World's Wildlife as You've Never Seen it Before (Hardcover)
Dk
R493 R466 Discovery Miles 4 660 Save R27 (5%) Ships in 9 - 17 working days

Embark on an action-packed, first-class tour and explore the homes of Earth's most awe-inspiring animals! This illustrated children's atlas brings the animal kingdom to life like never before through spectacular, specially commissioned 3D maps and artworks. A fact-filled adventure of a lifetime awaits, are you ready? Inside the pages of this visually stunning animal encyclopedia, you'll discover: - 3D maps show the habitats and geographic location of more than 100 incredible animals - Text on each spread providing relevant background information about each animal - Maps revealing the shrinking territories of some species to inform kids about endangered animals and how to protect them From African savanna elephants and Arctic wolves to giant pandas and polar bears, this educational book for kids shows you exactly where and how over 100 extraordinary animal species live. Detailed 3D maps and dynamic images give you a peek inside the habitat of each animal, as well as its geographic location. Filled with fun facts for kids revealing an astonishing amount of information about the behaviour of some of the most amazing animals. You'll discover where lions hunt their prey, which penguin lives closest to the South Pole, and where you might encounter the world's most deadly snakes. Perfect for home learning, this atlas book is great for children to dip into for school projects and is a fantastic addition to any family library. Complete the Series: If you enjoyed exploring the world's wildlife in What's Where in Earth: Animal Atlas, look out for more titles in this series from DK. It's perfect for children who are interested in animals, nature, ecology, geography and maps! From earthquakes to satellites, mummies to river monsters, discover our world as you've never seen it before in What's Where on Earth.

Elephant Memories - Thirteen Years in the Life of an Elephant Family (Paperback, New edition): Cynthia Moss Elephant Memories - Thirteen Years in the Life of an Elephant Family (Paperback, New edition)
Cynthia Moss
R762 Discovery Miles 7 620 Ships in 10 - 15 working days

Cynthia Moss has studied the elephants in Kenya's Amboseli National Park for over twenty-seven years. Her long-term research has revealed much of what we now know about these complex and intelligent animals. Here she chronicles the lives of the members of the T families led by matriarchs Teresia, Slit Ear, Torn Ear, Tania, and Tuskless. With a new afterword catching up on the families and covering current conservation issues, Moss's story will continue to fascinate animal lovers.
"One is soon swept away by this 'Babar' for adults. By the end, one even begins to feel an aversion for people. One wants to curse human civilization and cry out, 'Now God stand up for the elephants!'"--Christopher Lehmann-Haupt, "New York Times"
"Moss speaks to the general reader, with charm as well as scientific authority. . . . [An] elegantly written and ingeniously structured account." --Raymond Sokolov, "Wall Street Journal"
"Moss tells the story in a style so conversational . . . that I felt like a privileged visitor riding beside her in her rickety Land-Rover as she showed me around the park." --Sarah Blaffer Hrdy, "New York Times Book Review"
"A prose-poem celebrating a species from which we could learn some moral as well as zoological lessons." --"Chicago Tribune"

Elephant management - A Scientific Assessment for South Africa (Paperback): Robert J. Scholes Elephant management - A Scientific Assessment for South Africa (Paperback)
Robert J. Scholes; Robert J. Scholes; Edited by Kathleen G. Mennell; Kathleen G. Mennell, Brandon Anthony, …
R1,167 R914 Discovery Miles 9 140 Save R253 (22%) Ships in 10 - 15 working days

Elephants are among the most magnificent – but also most problematic –members of South Africa's wildlife population. While they are sought after by South African and foreign tourists alike, they also have a major impact on their environment. As a result, elephant management has become a highly complex and often controversial discipline. The information needed to underpin vital decisions about elephant management has largely been unavailable to decision-makers, contested by experts, or simply unknown. As a result, the South African Minister for Environmental Affairs and Tourism convened a round table to advise him on this issue. The round table recommended that a scientific assessment of elephant management be undertaken to gather, evaluate, and present all the relevant information on this topic. Its main findings and recommendations are contained in this volume. Elephant Management is the first book of its kind, combining the work of more than 60 national and international experts. Extensively reviewed by policy-makers and other stakeholders, it is the most systematic and comprehensive review of savanna elephant populations and factors relevant to managing them to date. As such it is of interest to a broad spectrum of readers in South Africa and elsewhere. Above all, it is aimed at helping conservation policy-makers and practitioners to choose the best possible options for the sustainable preservation of these iconic animals.

Fungal Diseases in Animals - From Infections to Prevention (Paperback, 1st ed. 2021): Arti Gupta, Nagendra Pratap Singh Fungal Diseases in Animals - From Infections to Prevention (Paperback, 1st ed. 2021)
Arti Gupta, Nagendra Pratap Singh
R4,667 Discovery Miles 46 670 Ships in 18 - 22 working days

The importance of fungal infections in both human and animals has increased over the last few decades. This book presents an overview of the different categories of fungal infections that can be encountered in animals (including lower vertebrates) originating from environmental sources with or without transmission to humans. In addition, the endemic infections with indirect transmission from the environment, the zoophilic fungal pathogens with near-direct transmission, the zoonotic fungi that can be directly transmitted from animals to humans, mycotoxicoses and antifungal resistance in animals will also be discussed. This book includes case studies and reviews the current state of knowledge on the mechanism of fungal attraction, recognition, infection, extracellular hydrolytic enzymes and pathogenesis of nematophagous fungi. The book also covers diagnostics, fungal formulations, as well as prevention methods. It discusses strategies to access the fungal pathogen groups, metagenomic analyses, genomics, secretomics, metabolomics, proteomics and transcriptomics. In addition, pathogen description, understanding, distribution and recent research results are provided.

Insectinside - Life in the Bushes of a Small Peckham Park (Paperback): Insectinside - Life in the Bushes of a Small Peckham Park (Paperback)
R633 Discovery Miles 6 330 Ships in 9 - 17 working days
Decolonizing Extinction - The Work of Care in Orangutan Rehabilitation (Paperback): Juno Salazar Parrenas Decolonizing Extinction - The Work of Care in Orangutan Rehabilitation (Paperback)
Juno Salazar Parrenas
R633 Discovery Miles 6 330 Ships in 10 - 15 working days

In Decolonizing Extinction Juno Salazar Parrenas ethnographically traces the ways in which colonialism, decolonization, and indigeneity shape relations that form more-than-human worlds at orangutan rehabilitation centers on Borneo. Parrenas tells the interweaving stories of wildlife workers and the centers' endangered animals while demonstrating the inseparability of risk and futurity from orangutan care. Drawing on anthropology, primatology, Southeast Asian history, gender studies, queer theory, and science and technology studies, Parrenas suggests that examining workers' care for these semi-wild apes can serve as a basis for cultivating mutual but unequal vulnerability in an era of annihilation. Only by considering rehabilitation from perspectives thus far ignored, Parrenas contends, could conservation biology turn away from ultimately violent investments in population growth and embrace a feminist sense of welfare, even if it means experiencing loss and pain.

Deep-Sea Pycnogonids and Crustaceans of the Americas (Paperback, 1st ed. 2020): Michel E. Hendrickx Deep-Sea Pycnogonids and Crustaceans of the Americas (Paperback, 1st ed. 2020)
Michel E. Hendrickx
R4,353 Discovery Miles 43 530 Ships in 18 - 22 working days

Among the deep-sea marine invertebrates, pycnogonids and crustaceans represent ecologically important and most diverse groups of species. Yet both are still poorly understood. Sampling and exploring operations off the west and east coast of the Americas has significantly increased in the last two decades. However such operations are very costly and limited in number and frequency. In countries like Brazil, Canada, Chile, Colombia, Costa Rica, Mexico, Peru, the United States of America, and El Salvador a large effort has been made to explore the deep-sea resources and the rich diversity of the communities, resulting in a better understanding of the natural ecosystems on both coasts of America. Pycnogonids and many groups of deep-sea crustaceans have been intensively studied, from the smallest animals, like the mostly unknown benthic copepods to the largest decapods. This book presents new and updated information on various groups of deep-sea pycnogonids and crustaceans occurring off the American continent. Offering a valuable reference resource for scientists interested in this fascinating fauna, it includes review papers and new data on the deep-sea communities occurring off the USA, Mexico, El Salvador, Costa Rica, Colombia, Chile, Peru, Brazil and Argentina, as well as in larger areas in both the East Pacific and the West Atlantic. As such it covers most of the current deep-water research in Latin America.

Pathways to Success - Taking Conservation to Scale in Complex Systems (Paperback): Nick Salafsky, Richard A. Margoluis Pathways to Success - Taking Conservation to Scale in Complex Systems (Paperback)
Nick Salafsky, Richard A. Margoluis
R847 Discovery Miles 8 470 Ships in 10 - 15 working days

As environmental problems grow larger and more pressing, conservationists have had to adapt. With a shrinking window of time to act, they are turning to broad approaches to combat continental- and global-scale crises of biodiversity loss, invasive species, and climate change. Pathways to Success—the long-awaited successor to the classic volume Measures of Success—is a modern guide to building large-scale transformative programs capable of tackling the complex conservation crises we face today. In this strikingly illustrated volume, coauthors Nick Salafsky and Richard Margoluis walk readers through fundamental concepts of effective program-level design, helping them to think strategically about project coordination, funding, and stakeholder input. Chapters in the first part of the book look at all aspects of designing and implementing large-scale conservation programs while the second part focuses on how to use data and information to manage, adapt, and learn from program strategies. In addition, the authors offer practical advice for avoiding pitfalls, such as formulaic recipes and simplistic silver-bullet solutions that can trip up otherwise well-intentioned efforts. Abundant graphics help to explain and clarify concepts presented in the text, and a glossary in the back matter defines technical terms for the reader. Pathways to Success is the definitive guide for conservation program managers and funders who want to increase the scale and effectiveness of their work combating biodiversity loss, climate change, and other pressing environmental issues.

The Fox Book (Hardcover): The Fox Book (Hardcover)
R298 R274 Discovery Miles 2 740 Save R24 (8%) Ships in 9 - 17 working days
Marine Coastal Ecosystems Modelling and Conservation - Latin American Experiences (Paperback, 1st ed. 2021): Marco Ortiz,... Marine Coastal Ecosystems Modelling and Conservation - Latin American Experiences (Paperback, 1st ed. 2021)
Marco Ortiz, Ferenc Jordan
R2,633 Discovery Miles 26 330 Ships in 18 - 22 working days

The book presents a collection of large-scale network-modeling studies on coastal systems in Latin America. It includes a novel description of the functioning of coastal complex ecosystems and also predicts how natural and human-made disturbances percolate through the networks. Coastal areas belong to the most populated ecosystems around the globe, and are massively influenced by human impacts such as shipping, mining, fisheries, tourism, pollution and human settlements. Even though many of these activities have facilitated socio-economic development, they have also caused a significant deterioration in natural populations, communities and ecosystems worldwide. Covering coastal marine ecosystems of Latin America such as the NE and SE Pacific, NW Atlantic and Caribbean areas, it discusses the construction of quantitative (Ecopath-Ecosim-Ecospace and Centrality of Node Sets) and semi-quantitative (Loop Analysis) multispecies trophic-network models to describe and assess the impacts of natural and human interventions like pelagic and benthic fishing as well as natural events such as El Nino, and La Nina. The book also features steady state (and/or near moving equilibrium) and dynamical models to support the management of exploited organisms, and applies and quantifies macroscopic indices, based on Ascendency (Ulanowicz) and Local Stability (Levins Loop Analysis). Further, it discusses the determination of the Keystone Species Complex Index, which is a holistic extension of the classical concept of Keystone Species (Paine), offering novel strategies for conservation monitoring and management.

Fisheries Resources Economics (Paperback, 1st ed. 2021): Xinjun Chen Fisheries Resources Economics (Paperback, 1st ed. 2021)
Xinjun Chen
R4,731 Discovery Miles 47 310 Ships in 18 - 22 working days

Fisheries resources are an important component of natural resources. It is an important source of high-quality animal protein and food for humans, which provides employment, economic benefits and social welfare for people engaged in fishing activities. It also has played an important role in food safety, economic development, and foreign trade. Fisheries resources economics is an important branch of both applied economics and resource economics. Its research object is fishery resources and its economic problems. The economics of fishery resources is to focus on the relationship between the demand for human economic activities and the supply of fishery resources, as well as between fishery resources and its development. This book expounds the reasons for the economic problems of fishery resources and the theoretical principles for solving them, so as to reveal the objective rules of the allocation of fishery resources in different regions and at different times, to coordinate the relationship between the utilization of fishery resources and economic development, and to realize the sustainable development of fishery economy. This book will also provide learning materials for undergraduates, graduate students and practitioners engaged in fishery resources development and scientific management.

The Lake Charr Salvelinus namaycush: Biology, Ecology, Distribution, and Management (Paperback, 1st ed. 2021): Andrew M. Muir,... The Lake Charr Salvelinus namaycush: Biology, Ecology, Distribution, and Management (Paperback, 1st ed. 2021)
Andrew M. Muir, Charles C Krueger, Michael J. Hansen, Stephen C. Riley
R4,756 Discovery Miles 47 560 Ships in 18 - 22 working days

The lake charr Salvelinus namaycush is a ubiquitous member of cold-water lake ecosystems in previously glaciated regions of northern continental U.S., Alaska, and Canada that often support important commercial, recreational, and subsistence fisheries. The lake charr differs from other charrs by its large size, longevity, iteroparity, top-predator specialization, reduced sexual dimorphism, prevalence of lacustrine spawning, and use of deepwater habitat. The species is remarkably variable in phenotype, physiology, and life history, some of which is reflected in its ecology and genetics, with as many as four morphs or ecotypes co-occurring in a single lake. The lake charr is often the top predator in these systems, but is highly adaptable trophically, and is frequently planktivorous in small lakes. The lake charr by their name highlights their common habitat, lakes both large and small, but often frequents rivers and occasionally moves into the Arctic Ocean. Movement and behaviour of lake charr are motivated by access to cool, well-oxygenated water, foraging opportunities, predator avoidance, and reproduction. Owing to their broad distribution and trophic level, the lake charr serves as a sentinel of anthropogenic change. This volume will provide an up-to-date summary of what is currently known about lake charr from distribution to genetics to physiology to ecology. The book provides a compilation and synthesis of available information on the lake charr, beginning with an updated distribution and a revised treatment of the paleoecology of the species. Understanding of ecological and genetic diversity and movement and behaviour of the species has advanced remarkably since the last major synthesis on the species over 40 years ago. Mid-sections of the book provide detailed accounts of the biology and life history of the species, and later sections are devoted to threats to conservation and fishery management practices used to ensure sustainability. A new standard lake charr-specific terminology is also presented. The book will be a valuable reference text for biologists around the world, ecologists, and fishery managers, and of interest to the angling public.

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