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

Biology and Conservation of the European Sturgeon Acipenser sturio L. 1758 - The Reunion of the European and Atlantic Sturgeons... Biology and Conservation of the European Sturgeon Acipenser sturio L. 1758 - The Reunion of the European and Atlantic Sturgeons (Hardcover, 2011 ed.)
Patrick Williot, Eric Rochard, Nathalie Desse-Berset, Frank Kirschbaum, Jorn Gessner
R5,176 R3,913 Discovery Miles 39 130 Save R1,263 (24%) Shipped within 7 - 12 working days

The book aims at synthesizing our current knowledge of Acipenser sturio and its management. This species, one of the most widespread sturgeon species all over Western Europe ranging from the Black Sea to the Baltic, is now on the verge of extinction. Major aspects of its biology and management, including mismanagement, are provided in a historic perspective. Similarly, the changes in the restoration programs (in situ and ex situ) initiated in France and Germany are presented. As the species occurred in sympatry with Acipenser oxyrinchus in Germany and Poland and very recently in France as well, a brief outlook on restoration-management programs of A. oxyrinchus are also provided for both North America and Northern European countries, namely Germany and Poland. As conservation-restoration actions go beyond scientific issues, non-governmental stakeholders and marine professional fishermen's organizations have also been asked to contribute, and the key role of a French-German cooperation plan is underlined. A part of the book is devoted to perspectives. Illustrations of the European sturgeon, mainly in photographs, but also in stamps and paintings, are presented.

Sustaining Young Forest Communities - Ecology and Management of early successional habitats in the central hardwood region, USA... Sustaining Young Forest Communities - Ecology and Management of early successional habitats in the central hardwood region, USA (Hardcover, Edition.)
Cathryn Greenberg, Beverly S. Collins, Frank Thompson
R4,408 R3,331 Discovery Miles 33 310 Save R1,077 (24%) Shipped within 7 - 12 working days

This edited volume addresses a rising concern among natural resource scientists and management professionals about decline of the many plant and animal species associated with early-successional habitats, especially within the Central Hardwood Region of the USA. These open habitats, with herbaceous, shrub, or young forest cover, are disappearing as abandoned farmland, pastures, and cleared forest patches return to forest. There are many questions about "why, what, where, and how" to manage for early successional habitats. In this book, expert scientists and experienced land managers synthesize knowledge and original scientific work to address questions on such topics as wildlife, water, carbon sequestration, natural versus managed disturbance, future scenarios, and sustainable creation and management of early successional habitat in a landscape context.

The Painted Stork - Ecology and Conservation (Hardcover, 2011 ed.): A. J Urfi The Painted Stork - Ecology and Conservation (Hardcover, 2011 ed.)
A. J Urfi
R2,867 R2,188 Discovery Miles 21 880 Save R679 (24%) Shipped within 7 - 12 working days

The book will cover the entire range of the Painted Stork--beyond its stronghold in India and Sri Lanka to other countries--E Asia as well. For the sake of comparison, relevant information will be included about the other species of storks--both solitary as well as colonial, of Asia, as well as those in other parts of the world. Certainly plenty of references will be made about the work done on the American Wood Stork.

Studies are underway in order to better understand the role of the monsoon rains on the nesting pattern of Painted Stork, besides attempting a review of the global status of the species. The former is likely to be of interest in augmenting our understanding about how global climate change is going to affect birds across India and the second is likely to raise interesting points about the distribution of species and their ranges. Both these studies will be carried through 2009 and should hopefully be included in the proposed book.

Naturally, the focused interest in field research on the Painted Stork has resulted in accumulation of considerable information on this particular species, which is beyond the information contained on some standard Indian and international works and ornithological texts.

The author hopes to include the entire spread of information of this species--from its systematics, evolution, distribution, ecology to its role in human culture as well as its association with mythologies. In other words, topics have not been restricted to the areas of the author s research but have spilled over into areas of anthropology, ecology, conservation, etc. "

Tropical Islands Biodiversity Crisis: - The Indo-West Pacific (Hardcover, Edition.): David J. W. Lane Tropical Islands Biodiversity Crisis: - The Indo-West Pacific (Hardcover, Edition.)
David J. W. Lane
R3,973 R3,010 Discovery Miles 30 100 Save R963 (24%) Shipped within 7 - 12 working days

This work assesses the issues facing biodiversity maintenance on tropical islands, and the impacts of biodiversity loss. The emphasis is on the Indo-West Pacific region, which includes many small islands where the biodiversity is under threat as a result of not only climate change and habitat destruction, but invasions by organisms previously absent from an island. The contributors are distinguished biodiversity scientists from inside and outside the region, and cover topics ranging from the state of conservation action in South-East Asia, the role of parks, and the status and threat to endemics, to impacts of oil and gas exploration and forest fragmentation. Issues needing still to be addressed, especially in relation to implications of biodiversity loss or change for the maintenance of ecosystem processes, are highlighted. The conclusions and case studies have lessons for all involved in the conservation of the biotas and ecosystems of islands. Previously published in Biodiversity and Conservation 19:2 2010

Natural Resource Management and Local Development (Hardcover, 2011 ed.): Russel D. Taylor, Emmanuel Torquebiau Natural Resource Management and Local Development (Hardcover, 2011 ed.)
Russel D. Taylor, Emmanuel Torquebiau
R3,965 R3,095 Discovery Miles 30 950 Save R870 (22%) Shipped within 7 - 12 working days

Natural resource management by rural citizens in tropical regions is crucial both to the conservation of biodiversity and ecosystem processes, but also to the the well-being and food security of the people that live there. This situation is especially acute in Africa where conflicts between habitat destruction and utilization can arise in areas which are important not only for biodiversity but for the long-term maintenance of ecosystems on which the people ultimately rely. There can also be conflicts between outside specialists and the indigenous knowledge of local communities. A holistic approach involving local peoples in management of their natural resources is therefore essential. A range of approaches to the problem is explored here in relation to natural resource management to local development and livelihoods, and the multi-functional nature of land-use. Major topics debated are the dichotomy between strictly protected areas and ones including human activity, people-centred rather than legally enforced conservation, market forces, and the interrelationships between agriculture and conservation. The book has 12 chapters, prepared by researchers actively involved in community aspects of natural resource management in Africa, and is based on an international workshop held in Niamey, Niger, in 2008. It will be of interest to all involved in the community approach to biodiversity conservation in less developed countries generally and not only in Africa as many of the issues addressed are pertinent globally. Reprinted from Biodiversity and Conservation 18: 10 (2009).

50 Ways to Save the Bees (and Change the World) (Paperback): J Scott Donahue 50 Ways to Save the Bees (and Change the World) (Paperback)
J Scott Donahue
R250 R235 Discovery Miles 2 350 Save R15 (6%) Shipped within 7 - 11 working days
The Fish Production Potential of the Baltic Sea - A New General Approach for Optimizing Fish Quota Including a Holistic... The Fish Production Potential of the Baltic Sea - A New General Approach for Optimizing Fish Quota Including a Holistic Management Plan Based on Ecosystem Modelling (Hardcover, 2010 ed.)
Lars Hakanson, Henrik Ragnarsson Stabo, Andreas C. Bryhn
R4,468 R3,498 Discovery Miles 34 980 Save R970 (22%) Shipped within 7 - 12 working days

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

Unveiling the Whale - Discourses on Whales and Whaling (Hardcover): Arne Kalland Unveiling the Whale - Discourses on Whales and Whaling (Hardcover)
Arne Kalland
R2,109 Discovery Miles 21 090 Shipped within 7 - 12 working days

Whaling has become one of the most controversial environmental issues. It is not that all whale species are at the brink of extinction, but that whales have become important symbols to both pro- and anti-whaling factions and can easily be appropriated as the common heritage of humankind. This book, the first of its kind, is therefore not about whales and whaling per se but about how people communicate about whales and whaling. It contributes to a better understanding and discussion of controversial environmental issues: Why and how are issues selected? How is knowledge on these issues produced and distributed by organizations and activists? And why do affluent countries like Japan and Norway still support whaling, which is of insignificant economic importance? Basing his analysis on fieldwork in Japan and Norway and at the International Whaling Commission, the author argues how an image of a superwhaleA" has been constructed and how this image has replaced meat and oil as the important whale commodity. He concludes that the whaling issue provides an arena where NGOs and authorities on each side can unite, swapping political legitimacy and building personal relations that can be useful on issues where relations are less harmonious.

Old-Growth Forests - Function, Fate and Value (Hardcover, 2009 ed.): Christian Wirth, Gerd Gleixner, Martin Heimann Old-Growth Forests - Function, Fate and Value (Hardcover, 2009 ed.)
Christian Wirth, Gerd Gleixner, Martin Heimann
R5,839 R4,553 Discovery Miles 45 530 Save R1,286 (22%) Shipped within 7 - 12 working days

Many terms often used to describe old-growth forests imply that these forests are less vigorous, less productive and less stable than younger forests. But research in the last two decades has yielded results that challenge the view of old-growth forests being in decline. Given the importance of forests in battling climate change and the fact that old-growth forests are shrinking at a rate of 0.5% per year, these new results have come not a moment too soon.

This book is the first ever to focus on the ecosystem functioning of old-growth forests. It is an exhaustive compendium of information that contains original work conducted by the authors. In addition, it is truly global in scope as it studies boreal forests in Canada, temperate old-growth forests in Europe and the Americas, and global tropical forests. Written in part to affect future policy, this eminently readable book is as useful for the scientist and student as it is for the politician and politically-interested layman.

Recovery of Gray Wolves in the Great Lakes Region of the United States - An Endangered Species Success Story (Hardcover, 2009... Recovery of Gray Wolves in the Great Lakes Region of the United States - An Endangered Species Success Story (Hardcover, 2009 ed.)
Adrian P. Wydeven, Timothy R. Van Deelan, Edward J. Heske
R2,451 R1,834 Discovery Miles 18 340 Save R617 (25%) Shipped within 7 - 12 working days

In this book, we document and evaluate the recovery of gray wolves (Canis lupus) in the Great Lakes region of the United States. The Great Lakes region is unique in that it was the only portion of the lower 48 states where wolves were never c- pletely extirpated. This region also contains the area where many of the first m- ern concepts of wolf conservation and research where developed. Early proponents of wolf conservation such as Aldo Leopold, Sigurd Olson, and Durward Allen lived and worked in the region. The longest ongoing research on wolf-prey relations (see Vucetich and Peterson, Chap. 3) and the first use of radio telemetry for studying wolves (see Mech, Chap. 2) occurred in the Great Lakes region. The Great Lakes region is the first place in the United States where "Endangered" wolf populations recovered. All three states (Minnesota, Wisconsin, and Michigan) developed ecologically and socially sound wolf conservation plans, and the federal government delisted the population of wolves in these states from the United States list of endangered and threatened species on March 12, 2007 (see Refsnider, Chap. 21). Wolf management reverted to the individual states at that time. Although this delisting has since been challenged, we believe that biological recovery of wolves has occurred and anticipate the delisting will be restored. This will be the first case of wolf conservation reverting from the federal government to the state conser- tion agencies in the United States.

Cheetahs: Biology and Conservation - Biodiversity of the World: Conservation from Genes to Landscapes (Hardcover): Philip J.... Cheetahs: Biology and Conservation - Biodiversity of the World: Conservation from Genes to Landscapes (Hardcover)
Philip J. Nyhus; Volume editing by Laurie Marker, Lorraine K. Boast, Anne Schmidt-Kuentzel
R2,174 R1,697 Discovery Miles 16 970 Save R477 (22%) Shipped within 7 - 12 working days

Cheetahs: Biology and Conservation reports on the science and conservation of the cheetah. This volume demonstrates the interdisciplinary nature of research and conservation efforts to study and protect the cheetah. The book begins with chapters on the evolution, genetics, physiology, ecology and behavior of the species, as well as distribution reports from range countries. These introductory chapters lead into discussions of the challenges facing cheetah survival, including habitat loss, declining prey base, human-wildlife conflict, illegal trade, and newly-emerging threats, notably climate change. This book also focuses on conservation strategies and solutions, including environmental education and alternative livelihoods. Chapters on the role of captive cheetahs to conservation and the long-term research of the species are included, as are a brief discussion of the methods and analyses used to study the cheetah. The book concludes with the conservation status and future outlook of the species. Cheetahs: Biology and Conservation is a valuable resource for the regional and global communities of cheetah conservationists, researchers, and academics. Although cheetah focussed the book provides information relevant to the study of broader topics such as wildlife conservation, captive breeding, habitat management, conservation biology and animal behaviour. Cover photograph by Angela Scott

Alien Reptiles and Amphibians - a Scientific Compendium and Analysis (Hardcover, 2009 ed.): Fred Kraus Alien Reptiles and Amphibians - a Scientific Compendium and Analysis (Hardcover, 2009 ed.)
Fred Kraus
R4,873 R3,688 Discovery Miles 36 880 Save R1,185 (24%) Shipped within 7 - 12 working days

Transportation of species to areas outside their native ranges has been a feature of human culture for millennia. During this time such activities have largely been viewed as beneficial or inconsequential. However, it has become increasingly clear that human-caused introductions of alien biota are an ecological disruption whose consequences rival those of better-known insults like chemical pollution, habitat loss, and climate change. Indeed, the irreversible nature of most alien-species int- ductions makes them less prone to correction than many other ecological problems. Current reshuffling of species ranges is so great that the present era has been referred to by some as the "Homogocene" in an effort to reflect the unique mag- tude of the changes being made. These alien interlopers often cause considerable ecological and economic d- age where introduced. Species extinctions, food-web disruptions, community alte- tions, ecosystem conversion, changes in nutrient cycling, fisheries collapse, watershed degradation, agricultural loss, building damage, and disease epidemics are among the destructive - and frequently unpredictable - ecological and economic effects that invasive alien species can inflict. The magnitude of these damages c- tinues to grow, with virtually all environments heavily used by humans now do- nated by alien species and many "natural" areas becoming increasingly prone to alien invasion as well. Attention to this problem has increased in the past decade or so, and efforts to prevent or limit further harm are gaining wider scientific and political acceptance.

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
R505 R470 Discovery Miles 4 700 Save R35 (7%) Shipped within 7 - 11 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.

Beetle Conservation (Hardcover, 2007 ed.): Tim R. New Beetle Conservation (Hardcover, 2007 ed.)
Tim R. New
R2,470 R2,262 Discovery Miles 22 620 Save R208 (8%) Shipped within 7 - 12 working days

Interest in beetle conservation has long been evident, with many papers treating these abundant, ecologically important and popular insects. However, this issue of Journal of Insect Conservation is the first to be dedicated entirely to beetles, and it contains a number of papers, predominantly from outside Western Europe, to demonstrate the variety and scope of problems and conservation concerns that surround these insects. A short introductory perspective is followed by eight original contributions, in which beetles from many parts of the world are considered, and in which some major threats to their wellbeing are evaluated.

The Red Kite's Year (Paperback): Ian Carter The Red Kite's Year (Paperback)
Ian Carter; Illustrated by Dan Powell
R640 Discovery Miles 6 400 Shipped within 7 - 11 working days

The Red Kite (Milvus milvus) - one of our most elegant and impressive birds of prey - has a varied and dramatic history in Britain. Having been driven perilously close to extinction, it has now made a welcome comeback, in part through one of the most successful reintroduction projects ever undertaken. This beautifully illustrated book follows the birds through the ups and downs of the year, from the rigours of raising young during the warm summer months to the struggle for survival in the depths of winter. Interspersed with the monthly accounts, are chapters on the history of the Red Kite in Britain, the reintroduction programme, the threats it still faces, and its status elsewhere in Europe. Red Kite biology is explored from nest construction, egg laying and nest defence, through to juveniles leaving the nest and learning to live independently. The book concludes with an overview of Red Kite status throughout their range. With a foreword by Mark Avery.

Looking for Longleaf - The Fall and Rise of an American Forest (Paperback, New edition): Lawrence S. Earley Looking for Longleaf - The Fall and Rise of an American Forest (Paperback, New edition)
Lawrence S. Earley
R483 R383 Discovery Miles 3 830 Save R100 (21%) Shipped within 7 - 11 working days

Covering 92 million acres from Virginia to Texas, the longleaf pine ecosystem was, in its prime, one of the most extensive and biologically diverse ecosystems in North America. Today, these magnificent forests have declined to a fraction of their original extent, threatening such species as the gopher tortoise, the red-cockaded woodpecker, and the Venus fly-trap. Lawrence S. Earley explores the history of these forests and the astonishing biodiversity within them, drawing on extensive research and telling the story through first-person travel accounts and interviews with foresters, ecologists, biologists, botanists, and landowners. The compelling story Earley tells here, offers hope that with continued human commitment, the longleaf pine might not just survive, but once again thrive.

The Bluefin Tuna Fishery in the Bay of Biscay - Its Relationship with the Crisis of Catches of Large Specimens in the East... The Bluefin Tuna Fishery in the Bay of Biscay - Its Relationship with the Crisis of Catches of Large Specimens in the East Atlantic Fisheries from the 1960s (Paperback, 1st ed. 2019)
Jose Luis Cort, Pablo Abaunza
R450 R391 Discovery Miles 3 910 Save R59 (13%) Shipped within 7 - 12 working days

This open access book is an original contribution to the knowledge on fishing and research associated with one of the most enigmatic fish of our seas: bluefin tuna, Thunnus thynnus (L.). Based on available evidence, it reconstructs the possible methods used to catch large spawners in the Strait of Gibraltar thousands of years ago and describes the much more recent overfishing that led to a great reduction in the catches of the trap fishery on the area and the disappearance of the northern European fisheries. It is the first book to relate the overfishing of juvenile fishes in certain areas to the decline of large spawners in other very distant areas, revealing one of the main underlying causes of this decline, which has remained a mystery to the fishing sector and scientists alike for over 50 years. This finding should serve to prevent similar cases from arising in the future.

Chimney Swift Towers - New Habitat for America's Mysterious Birds (Paperback): Chimney Swift Towers - New Habitat for America's Mysterious Birds (Paperback)
R331 R306 Discovery Miles 3 060 Save R25 (8%) Shipped within 7 - 12 working days

Chimney Swifts, birds that nest and roost in chimneys, have been historically abundant in North America. But by the late 1980s, the number of swifts migrating to North America from the Amazon River Basin had declined. A growing number of people across North America are now constructing nesting towers and conducting Chimney Swift conservation projects in their own communities. With Chimney Swift Towers, concerned bird conservationists have a step-by-step guide to help them create more habitat for these beneficial, insect-eating birds. Chimney Swift experts Paul and Georgean Kyle give directions for building freestanding wooden towers, wooden kiosk towers, masonry towers, and other structures. Included are: design basics; lists of materials needed; useful diagrams and photographs; and detailed instructions on site preparation, tower construction, installation, and maintenance; Anyone with basic woodworking or masonry skills and an interest in wildlife conservation will find this publication helpful. That includes do-it-yourselfers, homeowners involved in creating backyard habitat for wildlife, landscape and structural architects, park and wildscape managers, wildlife management area professionals, nature centers, garden centers, scout troops, and other civic organizations in search of community service projects.

Spectacular Nature - Corporate Culture and the Sea World Experience (Paperback, New): Susan G. Davis Spectacular Nature - Corporate Culture and the Sea World Experience (Paperback, New)
Susan G. Davis
R639 R498 Discovery Miles 4 980 Save R141 (22%) Shipped within 7 - 12 working days

This is the story of Sea World, a theme park where the wonders of nature are performed, marketed, and sold. With its trademark star, Shamu the killer whale - as well as performing dolphins, pettable sting rays, and reproductions of pristine natural worlds - the park represents a careful coordination of shows, dioramas, rides, and concessions built around the theme of ocean life. Susan Davis analyzes the Sea World experience and the forces that produce it: the theme park industry; Southern California tourism; the privatization of urban space; and, the increasing integration of advertising, entertainment, and education. The result is an engaging exploration of the role played by images of nature and animals in contemporary commercial culture, and a precise account of how Sea World and its parent corporation, Anheuser-Busch, succeed. Davis argues that Sea World builds its vision of nature around customers' worries and concerns about the environment, family relations, and education. While Davis shows the many ways that Sea World monitors its audience and manipulates animals and landscapes to manufacture pleasure, she also explains the contradictions facing the enterprise in its campaign for a positive public identity. Shifting popular attitudes, animal rights activists, and environmental laws all pose practical and public relations challenges to the theme park. Davis confronts the park's vast operations with impressive insight and originality, revealing Sea World as both an industrial product and a phenomenon typical of contemporary American culture. "Spectacular Nature" opens an intriguing field of inquiry: the role of commercial entertainment in shaping public understandings of the environment and environmental problems.

The Last Fish Swimming - The Global Crime of Illegal Fishing (Hardcover): Gohar Petrossian The Last Fish Swimming - The Global Crime of Illegal Fishing (Hardcover)
Gohar Petrossian
R1,331 Discovery Miles 13 310 Shipped within 7 - 11 working days

This book examines the global, local, and specific environmental factors that facilitate illegal fishing and proposes effective ways to reduce the opportunities and incentives that threaten the existence of the world's fish. * Provides a criminological analysis of illegal fishing through the application of two important environmental criminology perspectives (rational choice and situational crime prevention) * Highlights the countries most at risk, i.e. hot spots of illegal fishing, and the ports most frequently used to land illegally caught fish * Discusses environmental factors that increase or reduce the risk of illegal fishing * Includes summary tables on the most vulnerable species and on global, regional, and local factors contributing to illegal fishing * Provides a toolbox of empirically founded policy recommendations on how illegal fishing can be stopped

Birds and Climate Change - Impacts and Conservation Responses (Hardcover): James W. Pearce-Higgins, Rhys E. Green Birds and Climate Change - Impacts and Conservation Responses (Hardcover)
James W. Pearce-Higgins, Rhys E. Green
R1,949 R1,829 Discovery Miles 18 290 Save R120 (6%) Shipped within 7 - 12 working days

From the red grouse to the Ethiopian bush-crow, bird populations around the world can provide us with vital insights into the effects of climate change on species and ecosystems. They are among the best studied and monitored of organisms, yet many are already under threat of extinction as a result of habitat loss, overexploitation and pollution. Providing a single source of information for students, scientists, practitioners and policy-makers, this book begins with a critical review of the existing impacts of climate change on birds, including changes in the timing of migration and breeding and effects on bird populations around the world. The second part considers how conservationists can assess potential future impacts, quantifying how extinction risk is linked to the magnitude of global change and synthesising the evidence in support of likely conservation responses. The final chapters assess the threats posed by efforts to reduce the magnitude of climate change.

A Tree for a Year (Hardcover): Ellen Dutton A Tree for a Year (Hardcover)
Ellen Dutton; Illustrated by Emily Hurst Pritchett
R429 R339 Discovery Miles 3 390 Save R90 (21%) Shipped within 7 - 11 working days
Catch and Release - The Enduring Yet Vulnerable Horseshoe Crab (Paperback): Lisa Jean Moore Catch and Release - The Enduring Yet Vulnerable Horseshoe Crab (Paperback)
Lisa Jean Moore
R523 R439 Discovery Miles 4 390 Save R84 (16%) Shipped within 7 - 12 working days

The unexpected and fascinating interspecies relationship between humans and horseshoe crabs. Horseshoe crabs are considered both a prehistoric and indicator species. They have not changed in tens of millions of years and provide useful data to scientists who monitor the health of the environment. From the pharmaceutical industry to paleontologists to the fishing industry, the horseshoe crab has made vast, but largely unknown, contributions to human life and our shared ecosystem. Catch and Release examines how these intersections steer the trajectory of both species' lives, and futures. Based on interviews with conservationists, field biologists, ecologists, and paleontologists over three years of fieldwork on urban beaches, noted ethnographer Lisa Jean Moore shows how humans literally harvest the life out of the horseshoe crabs. We use them as markers for understanding geologic time, collect them for agricultural fertilizer, and eat them as delicacies, capture them as bait, then rescue them for conservation, and categorize them as endangered. The book details the biomedical bleeding of crabs; how they are caught, drained of 40% of their blood, and then released back into their habitat. The model of catch and release is essential. Horseshoe crabs cannot be bred in captivity and can only survive in their own ecosystems. Moore shows how horseshoe crabs are used as an exploitable resource, and are now considered a "vulnerable" species. An investigation of how humans approach animals that are essential for their survival, Catch and Release questions whether humans should have divine, moral, or ethical claims to any living being in their path.

The Welfare of Farmed Ratites (Hardcover, 2011 ed.): Phil Glatz, Christine Lunam, Irek Malecki The Welfare of Farmed Ratites (Hardcover, 2011 ed.)
Phil Glatz, Christine Lunam, Irek Malecki
R3,968 R3,005 Discovery Miles 30 050 Save R963 (24%) Shipped within 7 - 12 working days

This volume reviews, for the first time, the broad range of issues that affect the welfare of commercially farmed ratites. Although ratites incorporate several families of flightless birds this book focuses on the most commonly farmed ratites, the ostrich, emu and rhea. The readers are taken on a journey through all sectors of the industry, which include breeding, incubation, hatching, brooding, rearing, growth, transport and processing, with an emphasis on husbandry and management protocols that can impact bird welfare and health. Also discussed is the structure and sensory innervation of the skin and digits of the birds, and the potential welfare implications of industry practices on these structures. Each chapter in this volume focuses on a particular aspect of the commercial farming of ratites with contributing authors from a broad range of disciplines.

Machine Learning in Aquaculture - Hunger Classification of Lates Calcarifer (Paperback, 1st Ed. 2020): Yukinori Mukai Machine Learning in Aquaculture - Hunger Classification of Lates Calcarifer (Paperback, 1st Ed. 2020)
Yukinori Mukai
R1,190 Discovery Miles 11 900 Shipped within 7 - 11 working days
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